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1.
Sci Rep ; 14(1): 21953, 2024 09 20.
Article in English | MEDLINE | ID: mdl-39304727

ABSTRACT

Antiapoptotic protein, including Mcl-1, expression is frequently observed in pancreatic cancer. Gemcitabine plus nabpaclitaxel (GnP) is the standard chemotherapy for metastatic pancreatic cancer (MPC); however, predictive markers for its efficacy remain unestablished. This study evaluated the association between GnP's therapeutic effects and Mcl-1 expression in tissue samples obtained using endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) for pancreatic tumor or percutaneous ultrasound-guided biopsy for metastatic liver tumor. We retrospectively reviewed 38 patients with histologically diagnosed MPC who received GnP as the first-line chemotherapy at our institute between December 2014 and July 2018. Post-immunohistochemistry analysis for Mcl-1 expression detection, patients were divided to into two groups based on the cell proportion showing Mcl-1 immunoreactivity: positive (> 20%; 23 [60.5%] patients) and negative (≤ 20%; 15 [39.5%] patients) groups. Clinical characteristics did not differ between the two groups. The Mcl-1 positive group showed a significantly higher disease control rate (95.7% vs. 73.3%; P = 0.046), longer progressionfree survival (PFS) (7.2 months vs. 4.9 months; P = 0.018) and longer overall survival (OS) (14.9 months vs. 9.2 months; P = 0.008) than the Mcl-1 negative group. Multivariate analysis showed that Mcl-1 expression was an independent predictive marker for PFS and OS. Mcl-1 expression could be a predictive marker for favorable response to GnP.


Subject(s)
Albumins , Antineoplastic Combined Chemotherapy Protocols , Biomarkers, Tumor , Deoxycytidine , Gemcitabine , Myeloid Cell Leukemia Sequence 1 Protein , Paclitaxel , Pancreatic Neoplasms , Humans , Pancreatic Neoplasms/drug therapy , Pancreatic Neoplasms/pathology , Pancreatic Neoplasms/metabolism , Pancreatic Neoplasms/mortality , Deoxycytidine/analogs & derivatives , Deoxycytidine/therapeutic use , Deoxycytidine/administration & dosage , Male , Female , Paclitaxel/administration & dosage , Paclitaxel/therapeutic use , Aged , Middle Aged , Albumins/administration & dosage , Albumins/metabolism , Myeloid Cell Leukemia Sequence 1 Protein/metabolism , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Retrospective Studies , Biomarkers, Tumor/metabolism , Prognosis , Neoplasm Metastasis , Adult , Treatment Outcome , Aged, 80 and over , Liver Neoplasms/drug therapy , Liver Neoplasms/secondary , Liver Neoplasms/metabolism , Liver Neoplasms/pathology
2.
Wiad Lek ; 77(8): 1533-1546, 2024.
Article in English | MEDLINE | ID: mdl-39231324

ABSTRACT

OBJECTIVE: Aim: To analyze the results of treatment of patients with oropharyngeal carcinoma. PATIENTS AND METHODS: Materials and Methods: 276 patients with oropharyngeal carcinoma were treated in 2008-2021. Neoadjuvant chemotherapy consisted of three to six cycles: paclitaxel 175 mg/m2 and carboplatin 350 mg/m2 (or cisplatin 100 mg/m2) on the first day. The interval between cycles was 21 days. After the cycles, all patients were prescribed a course of radiation therapy in a total focal dose (TFD) of 65 Gy. The outcome of treatment was assessed by the degree of tumor regression according to RECIST criteria one month after the end of combination treatment. Statistical processing was performed using STATISTICA 6.1 software (StatSoftInc). RESULTS: Results: The three- and five-year survival rates of the examined patients with oropharyngeal carcinoma after treatment were 40.8% respectively (95% CI 33.7 - 47.9) and 27.0%, (95% CI 20.6 - 33, 4) with a median survival of 36 months with 95% CI (35.5 - 40.2). Processing was performed using STATISTICA 6.1 software (StatSoftInc). CONCLUSION: Сonclusions: Analysis of treatment of patients with oropharyngeal carcinoma with predominance of squamous cell carcinoma (90.6%), localized primarily in the palatine tonsil (73.2%), with the most common stages T3N1M0 (30.1%) and T3N1M0 %), with regional metastases to the lymph nodes of the neck (89.9%), showed that the effectiveness of treatment of patients is quite high, because in most of the examined in the short term after combined treatment there was complete or partial regression of the tumor (91.7%), no progression of the oncological process was detected in any of them.


Subject(s)
Oropharyngeal Neoplasms , Paclitaxel , Humans , Oropharyngeal Neoplasms/therapy , Oropharyngeal Neoplasms/drug therapy , Oropharyngeal Neoplasms/pathology , Male , Female , Middle Aged , Paclitaxel/administration & dosage , Paclitaxel/therapeutic use , Aged , Treatment Outcome , Cisplatin/administration & dosage , Cisplatin/therapeutic use , Carboplatin/administration & dosage , Adult , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Survival Rate , Neoadjuvant Therapy
3.
Cancer Med ; 13(17): e70228, 2024 Sep.
Article in English | MEDLINE | ID: mdl-39275896

ABSTRACT

BACKGROUND: Despite the recognized therapeutic potential of programmed cell death protein 1/programmed death-ligand 1 (PD-1/PD-L1) inhibitors in advanced esophageal squamous cell carcinoma (ESCC), their role in neoadjuvant therapy and reliable efficacy biomarkers remain elusive. MATERIALS AND METHODS: We retrospectively analyzed locally advanced ESCC patients who underwent surgery following a 2-cycle platinum and paclitaxel-based treatment, with or without PD-1 inhibitors (January 2020-March 2023). We assessed peripheral blood indexes and tertiary lymphoid structures (TLS) density to evaluate their impact on pathological response and prognosis, leading to a clinical prediction model for treatment efficacy and survival. RESULTS: Of the 157 patients recruited, 106 received immunochemotherapy (ICT) and 51 received chemotherapy (CT) alone. The ICT group demonstrated a superior pathological response rate (PRR) (47.2% vs. 29.4%, p = 0.034) with comparable adverse events and postoperative complications. The ICT group also showed a median disease-free survival (DFS) of 39.8 months, unattained by the CT group. The 1-year DFS and overall survival (OS) rates were 73% and 91% for the ICT group, and 68% and 81% for the CT group, respectively. We found higher baseline activated T cells, lower baseline Treg cells, and a decreased posttreatment total lymphocyte and CD4+/CD8+ ratio predicted an enhanced PRR. Reduced posttreatment CD4+/CD8+ ratio and increased NK cells were associated with prolonged survival, while higher TLS density indicated poorer prognosis. Among ICT group, a lower posttreatment CD4+/CD8+ ratio indicated longer DFS and reduced posttreatment B cells indicated longer OS. A nomogram integrating these predictors was developed to forecast treatment efficacy and survival. CONCLUSION: The combination of PD-1 inhibitors and chemotherapy appears promising for locally advanced ESCC. Evaluating the differentiation status and dynamic changes of peripheral blood immune cells may provide valuable predictive insights into treatment efficacy and prognosis.


Subject(s)
Esophageal Neoplasms , Esophageal Squamous Cell Carcinoma , Neoadjuvant Therapy , Humans , Male , Esophageal Squamous Cell Carcinoma/therapy , Esophageal Squamous Cell Carcinoma/mortality , Esophageal Squamous Cell Carcinoma/immunology , Esophageal Squamous Cell Carcinoma/pathology , Esophageal Squamous Cell Carcinoma/drug therapy , Female , Neoadjuvant Therapy/methods , Retrospective Studies , Middle Aged , Esophageal Neoplasms/therapy , Esophageal Neoplasms/mortality , Esophageal Neoplasms/immunology , Esophageal Neoplasms/pathology , Esophageal Neoplasms/drug therapy , Aged , Immunotherapy/methods , Lymphocyte Subsets/immunology , Prognosis , Immune Checkpoint Inhibitors/therapeutic use , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Treatment Outcome , Paclitaxel/administration & dosage , Paclitaxel/therapeutic use , Adult , Esophagectomy
4.
Taiwan J Obstet Gynecol ; 63(5): 651-664, 2024 Sep.
Article in English | MEDLINE | ID: mdl-39266145

ABSTRACT

The current review described a 55-year woman using 28 months to finish her surgery-based radiation-free multimodality treatment journey to fight International Federation of Gynaecology & Obstetrics (FIGO) 2018 clinical stage IIA2 (cT2aN0M0) squamous cell carcinoma (SCC) of the cervix. She received six cycles of perioperative adjuvant therapy, including three cycles of neoadjuvant therapy (NAT) and three cycles of postoperative adjuvant therapy by using combination of dose-dense chemotherapy (CT, weekly paclitaxel 80 mg/m2+triweekly cisplatin 40 mg/m2), immunotherapy (IO, triweekly pembrolizumab 200 mg) and half-dose anti-angiogenic agent (triweekly bevacizumab 7.5 mg/kg) plus interval radical surgery (radical hysterectomy + bilateral salpingo-oophorectomy + bilateral pelvic lymph node dissection + para-aortic lymph node sampling) and following maintenance therapy with monthly 22 cycles of half-dose of IO (pembrolizumab 100 mg) and concomitant 4 cycles of single-agent CT (paclitaxel 175 mg/m2) and 18 cycles of half-dose anti-angiogenic agent (bevacizumab 7.5 mg/kg). During the cervical SCC fighting journey, two unwanted adverse events (AEs) occurred. One was pseudo-progressive disease during the NAT treatment and pathology-confirmed upgrading FIGO stage IIIC1p (ypT2a1N1M0) after radical surgery and the other was the occurrence of hypothyroidism during the post operative adjuvant therapy. Based on this case we presented, we review the recent trend in the management of women with locally advanced cervical cancer (LACC) using the radiation-free but surgery-based multimodality strategy and highlight the strengths and limitations about perioperative adjuvant therapy with dose-dense CT + IO + half-dose anti-angiogenic agent and maintenance treatment of half-dose IO combining with short-term single agent CT and following long-term half-dose anti-angiogenic agent. All underscore the possibility that women with LACC have an opportunity to receive surgery-based RT-free multi-modality strategy to manage their diseases with satisfactory results. Additionally, the evolving role of IO plus CT with/without anti-angiogenic agent functioning as either primary treatment or adjuvant therapy for the treatment of advanced CC has been in process continuously. Moreover, the patient's positive response to IO, pembrolizumab as an example, both during the primary and maintenance therapy, highlights the importance of integrating IO into CT regimens for CC, especially in cases where conventional therapies, RT as an example, are insufficient or who do not want to receive RT-based treatment. The sustained disease-free status of the patient over several years reinforces the potential of IO to significantly increase long-term survival outcomes in CC patients, particularly for those with LACC.


Subject(s)
Carcinoma, Squamous Cell , Hysterectomy , Uterine Cervical Neoplasms , Female , Humans , Middle Aged , Antibodies, Monoclonal, Humanized/administration & dosage , Antineoplastic Combined Chemotherapy Protocols/administration & dosage , Bevacizumab/administration & dosage , Carcinoma, Squamous Cell/therapy , Carcinoma, Squamous Cell/pathology , Chemotherapy, Adjuvant/methods , Cisplatin/administration & dosage , Combined Modality Therapy , Hysterectomy/methods , Lymph Node Excision , Neoadjuvant Therapy/methods , Neoplasm Staging , Paclitaxel/administration & dosage , Uterine Cervical Neoplasms/therapy , Uterine Cervical Neoplasms/pathology
5.
Sci Rep ; 14(1): 21854, 2024 09 19.
Article in English | MEDLINE | ID: mdl-39300169

ABSTRACT

This study aimed to survey the efficacy of chemotherapy regimens in the real world setting and explore the most promising regimen for patients experiencing early recurrence for gastric cancer. We retrospectively reviewed the clinical course of 207 patients with gastric cancer, who developed early recurrence during or within 6 months after completing S-1 adjuvant therapy at 19 Japanese institutions between 2012 and 2016. The treatment regimens after recurrence were fluoropyrimidines plus platinum-based regimens (FP) in 91 (44%) patients, paclitaxel-based regimens (PTX) in 102 (49%), and irinotecan-based regimens (IRI) in 14 (7%). The overall response and disease control rates were 28.7% and 54.1%. Median progression-free survival (PFS) and overall survival (OS) were 5.1 and 12.9 months, respectively. In the FP, PTX, and IRI regimens, the median PFS and OS were 5.9, 4.1, 4.1 months and 12.8, 12.9, and 11.8 months, respectively. The combination of PTX and ramucirumab showed survival comparable to capecitabine plus platinum. Multivariate analyses for OS showed that recurrence during adjuvant chemotherapy and undifferentiated histological type were independent poor prognostic factors. Although the prognosis of patients with early recurrence even with adjuvant S-1 was poor, PTX plus ramucirumab therapy could be a potential treatment option.


Subject(s)
Antineoplastic Combined Chemotherapy Protocols , Drug Combinations , Neoplasm Recurrence, Local , Oxonic Acid , Stomach Neoplasms , Tegafur , Humans , Stomach Neoplasms/drug therapy , Stomach Neoplasms/mortality , Stomach Neoplasms/pathology , Male , Female , Tegafur/therapeutic use , Tegafur/administration & dosage , Middle Aged , Aged , Retrospective Studies , Oxonic Acid/therapeutic use , Oxonic Acid/administration & dosage , Chemotherapy, Adjuvant/methods , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Neoplasm Recurrence, Local/drug therapy , Adult , Aged, 80 and over , Paclitaxel/therapeutic use , Paclitaxel/administration & dosage , Treatment Outcome , Irinotecan/therapeutic use , Irinotecan/administration & dosage , Antibodies, Monoclonal, Humanized/therapeutic use , Antibodies, Monoclonal, Humanized/administration & dosage , Ramucirumab
6.
BMC Cancer ; 24(1): 1167, 2024 Sep 19.
Article in English | MEDLINE | ID: mdl-39300376

ABSTRACT

BACKGROUND: Metastatic pancreatic ductal adenocarcinoma (mPDAC) patients have very poor prognosis highlighting the urgent need of novel treatments. In this regard, repurposing non-oncology already-approved drugs might be an attractive strategy to offer more-effective treatment easily tested in clinical trials. Accumulating evidence suggests that epigenetic deregulation is a hallmark of cancer contributing to treatment resistance in several solid tumors, including PDAC. Histone deacetylase inhibitors (HDACi) are epigenetic drugs we have investigated preclinically and clinically as anticancer agents. Valproic acid (VPA) is a generic low-cost anticonvulsant and mood stabilizer with HDAC inhibitory activity, and anticancer properties also demonstrated in PDAC models. Statins use was reported to be associated with lower mortality risk in patients with pancreatic cancer and statins have been shown to have a direct antitumor effect when used alone or in combination therapy. We recently showed capability of VPA/Simvastatin (SIM) combination to potentiate the antitumor activity of gemcitabine/nab-paclitaxel in vitro and in vivo PDAC preclinical models. METHODS/DESIGN: VESPA is a patient-centric open label randomized multicenter phase-II investigator-initiated trial, evaluating the feasibility, safety, and efficacy of VPA/SIM plus first line gemcitabine/nab-paclitaxel-based regimens (AG or PAXG) (experimental arm) versus chemotherapy alone (standard arm) in mPDAC patients. The study involves Italian and Spanish oncology centers and includes an initial 6-patients safety run-in-phase. A sample size of 240 patients (120 for each arm) was calculated under the hypothesis that the addition of VPA/SIM to gemcitabine and nab-paclitaxel-based regimens may extend progression free survival from 6 to 9 months in the experimental arm. Secondary endpoints are overall survival, response rate, disease control rate, duration of response, CA 19.9 reduction, toxicity, and quality of life. The study includes a patient engagement plan and complementary biomarkers studies on tumor and blood samples. CONCLUSIONS: VESPA is the first trial evaluating efficacy and safety of two repurposed drugs in oncology such as VPA and SIM, in combination with standard chemotherapy, with the aim of improving mPDAC survival. The study is ongoing. Enrollment started in June 2023 and a total of 63 patients have been enrolled as of June 2024. TRIAL REGISTRATION: EudraCT number: 2022-004154-63; ClinicalTrials.gov identifier NCT05821556, posted 2023/04/20.


Subject(s)
Albumins , Antineoplastic Combined Chemotherapy Protocols , Deoxycytidine , Gemcitabine , Paclitaxel , Pancreatic Neoplasms , Simvastatin , Valproic Acid , Humans , Valproic Acid/therapeutic use , Valproic Acid/administration & dosage , Pancreatic Neoplasms/drug therapy , Pancreatic Neoplasms/pathology , Simvastatin/administration & dosage , Simvastatin/therapeutic use , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Deoxycytidine/analogs & derivatives , Deoxycytidine/administration & dosage , Deoxycytidine/therapeutic use , Paclitaxel/administration & dosage , Paclitaxel/therapeutic use , Albumins/administration & dosage , Albumins/therapeutic use , Female , Male , Carcinoma, Pancreatic Ductal/drug therapy , Carcinoma, Pancreatic Ductal/pathology , Middle Aged , Aged , Drug Repositioning/methods , Adult
7.
J Med Econ ; 27(1): 1212-1221, 2024.
Article in English | MEDLINE | ID: mdl-39254489

ABSTRACT

AIM: Dostarlimab plus carboplatin-paclitaxel (CP) significantly increased progression-free survival in patients with primary advanced or recurrent endometrial cancer (pA/rEC) vs CP alone in the RUBY trial (NCT03981796). This analysis estimated the per-member-per-month (PMPM) costs of introducing dostarlimab + CP as a treatment alternative from a third-party US payer perspective. MATERIALS AND METHODS: A budget impact model was developed to estimate the costs of introducing dostarlimab + CP into commercial and Medicare health plans over a 3-year time horizon (2023-2025). Costs were sourced from relevant literature and US-specific databases and were calculated using epidemiology data, clinical inputs, treatment costs, and market share estimates. Clinical inputs were sourced from primary clinical trials for each respective treatment (i.e. dostarlimab + CP, CP, pembrolizumab, pembrolizumab plus lenvatinib, bevacizumab + CP, and pembrolizumab + CP). Current and future market shares assumed dostarlimab + CP reduced the market share of CP only. Analyses were performed in mismatch repair-deficient/microsatellite instability-high (dMMR/MSI-H) and overall populations using a US 2023 cost year. RESULTS: For a commercial plan, the model estimated (dMMR/MSI-H and overall populations) that 7 and 26 patients would be treated with dostarlimab + CP, respectively; average annual budget impacts per patient treated were $118,257 and $116,094; average budget impacts per patient treated per month (PPPM) were $9,855 and $9,675; average budget impacts PMPM were $0.02 and $0.06. For a Medicare plan, the model estimated that 28 and 93 patients, respectively, would be treated with dostarlimab + CP. Average annual budget impacts per patient treated and PPPM were the same as those for the commercial plan in both populations; average budget impacts PMPM were $0.07 and $0.22, respectively. CONCLUSIONS: Introducing dostarlimab + CP as a first-line treatment for patients with pA/rEC results in minimal budget impact PMPM from a US third-party payer's perspective. Together with the efficacy and safety results from RUBY, these results support the use of dostarlimab + CP as a treatment option.


Dostarlimab with carboplatin­paclitaxel is a recently approved treatment for newly diagnosed advanced or recurrent endometrial cancer. This analysis was done to estimate the added costs that US commercial and Medicare health plans would have over 3 years if this treatment was covered. This analysis found that the budget increase for covering dostarlimab with carboplatin­paclitaxel was small ($0.02­$0.06 per commercial plan member per month; $0.07­$0.22 per Medicare plan member per month).


Subject(s)
Antineoplastic Combined Chemotherapy Protocols , Carboplatin , Endometrial Neoplasms , Paclitaxel , Humans , Female , Carboplatin/therapeutic use , Carboplatin/economics , Endometrial Neoplasms/drug therapy , Endometrial Neoplasms/economics , Paclitaxel/therapeutic use , Paclitaxel/economics , Paclitaxel/administration & dosage , Antineoplastic Combined Chemotherapy Protocols/economics , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , United States , Antibodies, Monoclonal, Humanized/therapeutic use , Antibodies, Monoclonal, Humanized/economics , Cost-Benefit Analysis , Neoplasm Recurrence, Local/drug therapy , Budgets , Progression-Free Survival , Models, Econometric
8.
BMJ Open ; 14(9): e076394, 2024 Sep 23.
Article in English | MEDLINE | ID: mdl-39313288

ABSTRACT

OBJECTIVES: This qualitative study explored patients' experiences and perceptions of the SCOPE2 trial. SCOPE2 examined radiotherapy dose escalation in patients with inoperable oesophageal cancer treated with definitive chemoradiotherapy (dCRT). SETTING: Recruitment at five clinical sites in England and Wales, UK. PARTICIPANTS: SCOPE2 trial participants were invited to take part in interviews from across five clinical sites. Participants self-selected to take part in up to three interviews across four different time points: baseline (before treatment) and at 2-3 months, 3-6 months or 6 months+ after baseline. There were five female and five male interview participants. INTERVENTIONS: Participants were randomised to standard dose dCRT prescribed carboplatin/paclitaxel or cisplatin/capecitabine, or an escalated dose dCRT prescribed carboplatin/paclitaxel or cisplatin/capecitabine. METHODS: This qualitative study used semistructured longitudinal interviews to explore the impact of treatment on patient outlook and quality of life and the impact of the COVID-19 pandemic. Interview data were thematically analysed. RESULTS: 10 patients participated in 16 longitudinal interviews. Three participants were accompanied by companions. Participants experienced side-effects from radiotherapy and chemotherapy including nausea, throat pain, difficulties eating and regaining appetite, thrombosis and fatigue, although most of these symptoms gradually improved. Participants required more ongoing information and support regarding treatment side-effects and cancer status in order to improve their overall quality of life. Best practice examples involved key contacts providing practical advice and signposting support. CONCLUSION: Participants of the SCOPE2 trial reported short and longer-term side-effects from chemoradiotherapy, but these usually lessened over time. Participants attempted to be positive about their survival prospects by readjusting their expectations, priorities and lifestyles. Providing patients with ongoing opportunities to discuss detailed and timely information regarding treatment side-effects, aftercare and cancer status could improve the overall health and well-being of patients during oesophageal cancer trials and pathways. TRIAL REGISTRATION NUMBER: NCT02741856; ISRCTN: 97125464.


Subject(s)
Chemoradiotherapy , Esophageal Neoplasms , Paclitaxel , Qualitative Research , Quality of Life , Humans , Male , Esophageal Neoplasms/therapy , Esophageal Neoplasms/drug therapy , Esophageal Neoplasms/psychology , Female , Chemoradiotherapy/adverse effects , Chemoradiotherapy/methods , Middle Aged , Aged , Paclitaxel/therapeutic use , Paclitaxel/administration & dosage , COVID-19 , Cisplatin/therapeutic use , Cisplatin/adverse effects , Cisplatin/administration & dosage , Carboplatin/therapeutic use , Carboplatin/administration & dosage , England , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Antineoplastic Combined Chemotherapy Protocols/adverse effects , Capecitabine/therapeutic use , Capecitabine/administration & dosage , SARS-CoV-2 , Wales
9.
Carbohydr Polym ; 346: 122596, 2024 Dec 15.
Article in English | MEDLINE | ID: mdl-39245487

ABSTRACT

Drug treatment of glioblastoma, the most aggressive and widespread form of brain cancer, is complicated due to the difficulty of penetration of chemotherapeutic drugs through the blood-brain barrier (BBB). Moreover, with surgical removal of tumors, in 90 % of cases they reappear near the original focus. To solve this problem, we propose to use hydrogel based on cellulose nanocrystals grafted with poly(N-isopropylacrylamide) (CNC-g-PNIPAM) as a promising material for filling postoperative cavities in the brain with the release of antitumor drugs. The CNC-g-PNIPAM is formed by "grafting to" method for precise control of molecular weight and grafting density. This colloidal system is liquid under injection conditions (at r. t.) and turns into a gel at human body temperature (when filling the postoperative area). It was shown for the first time that due to the rod-shaped of CNC, the gel has a fibrillar structure and, thus, mechanical properties similar to those of brain tissue, including nonlinear mechanics (strain-stiffening and compression softening). The biocompatibility of the hydrogel with primary brain cells is demonstrated. In addition, the release of the antitumor drug paclitaxel from the hydrogel and its antitumor activity is shown. The resulting nanocolloid system provides an innovative alternative approach to filling postoperative cavities and can be used for postoperative treatment due to the programmable release of drugs, as well as for in vitro modeling of tumor interaction with the BBB affecting drug transport in the brain.


Subject(s)
Acrylic Resins , Biocompatible Materials , Cellulose , Hydrogels , Nanoparticles , Cellulose/chemistry , Nanoparticles/chemistry , Acrylic Resins/chemistry , Humans , Animals , Biocompatible Materials/chemistry , Hydrogels/chemistry , Brain/drug effects , Brain/metabolism , Paclitaxel/chemistry , Paclitaxel/pharmacology , Paclitaxel/administration & dosage , Temperature , Brain Neoplasms/drug therapy , Glioblastoma/drug therapy , Glioblastoma/pathology , Drug Liberation , Blood-Brain Barrier/metabolism
10.
Signal Transduct Target Ther ; 9(1): 241, 2024 Sep 16.
Article in English | MEDLINE | ID: mdl-39278918

ABSTRACT

Treatment options for patients with relapsed extensive-stage small cell lung cancer (ES-SCLC) remain scarce. This study aims to evaluate the efficacy and safety of combining anlotinib and sintilimab plus chemotherapy as a second line or later therapy for ES-SCLC patients. This is a phase II clinical trial (ChiCTR2100049390) conducting at Shandong Cancer Hospital. Patients with ES-SCLC and received at least one prior systemic treatment were enrolled. The trial design involved a combination therapy (sintilimab, anlotinib, and nab-paclitaxel) administered over six 21-day cycles, followed by maintenance sintilimab therapy. The primary endpoint was objective response rate (ORR). Circulating tumor DNA sequencing was employed for exploratory analysis. From July 2021 to April 2023, 25 eligible patients were enrolled. The confirmed ORR was 60% (95% CI: 38.7-78.9%) and the DCR was 76% (95% CI: 54.9-90.6%). The mPFS was 6.0 months (95% CI: 5.4-9.7), and the 6-month PFS rate was 49.2%. The mOS was 13.4 months (95% CI: 11.8-NR), with a 12-month survival rate of 62.2%. Treatment-related adverse events (TRAEs) of any grade occurred in 80% of patients, with the most common being fatigue (40%) and nausea (32%). TRAEs of Grade 3 or higher were reported in 12% of patients. ctDNA analysis indicated that low on-treatment blood tumor mutation burden was associated with longer PFS and OS and a potential role of KMT2D mutation in treatment resistance. This combination therapy shows promising efficacy and a manageable safety profile as a second-line or later treatment for ES-SCLC, with genomic insights providing potential biomarkers for treatment response.


Subject(s)
Antibodies, Monoclonal, Humanized , Antineoplastic Combined Chemotherapy Protocols , Indoles , Lung Neoplasms , Quinolines , Small Cell Lung Carcinoma , Humans , Small Cell Lung Carcinoma/drug therapy , Small Cell Lung Carcinoma/genetics , Small Cell Lung Carcinoma/pathology , Female , Male , Middle Aged , Lung Neoplasms/drug therapy , Lung Neoplasms/genetics , Lung Neoplasms/pathology , Aged , Indoles/administration & dosage , Indoles/therapeutic use , Indoles/adverse effects , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Antineoplastic Combined Chemotherapy Protocols/adverse effects , Quinolines/administration & dosage , Quinolines/therapeutic use , Quinolines/adverse effects , Antibodies, Monoclonal, Humanized/administration & dosage , Antibodies, Monoclonal, Humanized/adverse effects , Antibodies, Monoclonal, Humanized/therapeutic use , Adult , Paclitaxel/administration & dosage , Paclitaxel/adverse effects , Paclitaxel/therapeutic use , Neoplasm Staging , Albumins
11.
Esophagus ; 21(4): 539-545, 2024 Oct.
Article in English | MEDLINE | ID: mdl-39222157

ABSTRACT

BACKGROUND: Programmed cell death-1 (PD-1) blockade improves survival in patients with advanced esophageal squamous cell carcinoma (ESCC). However, the efficacy of taxanes after exposure to PD-1 blockade remains unclear in patients with advanced ESCC. METHODS: We retrospectively analyzed the clinical outcomes of advanced ESCC patients treated with taxanes (paclitaxel or docetaxel) with/without prior exposure to PD-1 blockade (Exposed /Naïve group) at National Cancer Center Hospital from June 2016 to December 2020. RESULTS: Ninety-nine patients (Exposed group, n = 32; Naïve group, n = 67) were included. The objective response rate (ORR) of the Exposed group was significantly higher than that of the Naïve group (37.5% vs. 13.4%, p = 0.009). The median progression-free survival was similar between the Exposed and Naïve groups (3.8 vs. 2.8 months, HR 1.12, 95% CI 0.65-1.86, p = 0.66). PD-1 blockade exposure independently predicated higher ORR to taxanes in multivariate analysis. Grade ≥ 3 adverse events were comparable between the Exposed and Naïve groups (45.8% vs. 40.3%, p = 0.64). CONCLUSIONS: Taxanes following PD-1 blockade in advanced ESCC showed a higher ORR but similar PFS compared to taxanes without prior PD-1 exposure.


Subject(s)
Docetaxel , Esophageal Neoplasms , Esophageal Squamous Cell Carcinoma , Paclitaxel , Humans , Male , Female , Esophageal Squamous Cell Carcinoma/drug therapy , Retrospective Studies , Esophageal Neoplasms/drug therapy , Esophageal Neoplasms/pathology , Middle Aged , Aged , Docetaxel/therapeutic use , Docetaxel/adverse effects , Docetaxel/administration & dosage , Paclitaxel/therapeutic use , Paclitaxel/adverse effects , Paclitaxel/administration & dosage , Immune Checkpoint Inhibitors/adverse effects , Immune Checkpoint Inhibitors/therapeutic use , Taxoids/adverse effects , Taxoids/therapeutic use , Progression-Free Survival , Treatment Outcome , Programmed Cell Death 1 Receptor/antagonists & inhibitors , Adult , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Antineoplastic Combined Chemotherapy Protocols/adverse effects
12.
Carbohydr Polym ; 345: 122569, 2024 Dec 01.
Article in English | MEDLINE | ID: mdl-39227105

ABSTRACT

Breast cancer is a malignant tumor that poses a significant threat to women's health and single therapy fails to play a good oncological therapeutic effect. Synergistic treatment with multiple strategies may make up for the deficiencies and has gained widespread attention. In this study, sulfhydryl-modified hyaluronic acid (HA-SH) was covalently crosslinked with polydopamine (PDA) via a Michael addition reaction to develop an injectable hydrogel, in which PDA can be used not only as a matrix but also as a photothermal agent. After HSA and paclitaxel were spontaneously organized into nanoparticles via hydrophobic interaction, hyaluronic acid with low molecular weight was covalently linked to HSA, thus conferring effectively delivery. This photothermal injectable hydrogel incorporates PTX@HSA-HA nanoparticles, thereby initiating a thermochemotherapeutic response to target malignancy. Our results demonstrated that this injectable hydrogel possesses consistent drug delivery capability in a murine breast cancer model, collaborating with photothermal therapy to effectively suppress tumor growth, represented by low expression of Ki-67 and increasing apoptosis. Photothermal therapy (PTT) can effectively stimulate immune response by increasing IL-6 and TNF-α. Notably, the treatment did not elicit any indications of toxicity. This injectable hydrogel holds significant promise as a multifaceted therapeutic agent that integrates photothermal and chemotherapeutic modalities.


Subject(s)
Breast Neoplasms , Hyaluronic Acid , Hydrogels , Paclitaxel , Photothermal Therapy , Animals , Hyaluronic Acid/chemistry , Hydrogels/chemistry , Hydrogels/pharmacology , Female , Breast Neoplasms/therapy , Breast Neoplasms/drug therapy , Breast Neoplasms/pathology , Mice , Photothermal Therapy/methods , Paclitaxel/pharmacology , Paclitaxel/chemistry , Paclitaxel/administration & dosage , Humans , Indoles/chemistry , Indoles/pharmacology , Mice, Inbred BALB C , Polymers/chemistry , Apoptosis/drug effects , Cell Line, Tumor , Nanoparticles/chemistry , Drug Carriers/chemistry , Antineoplastic Agents, Phytogenic/pharmacology , Antineoplastic Agents, Phytogenic/chemistry , Antineoplastic Agents, Phytogenic/administration & dosage , Drug Delivery Systems/methods , Phototherapy/methods
13.
AAPS PharmSciTech ; 25(7): 216, 2024 Sep 17.
Article in English | MEDLINE | ID: mdl-39289249

ABSTRACT

This study aimed to develop paclitaxel (PTX)-loaded PEGylated (PEG)-pH-sensitive (SpH) liposomes to enhance drug delivery efficiency and cytotoxicity against MCF-7 breast cancer cells. PTX-loaded PEG-SpH liposomes were prepared using the thin film hydration method. ATR-FTIR compatibility studies revealed no significant interactions among liposome formulation components. TEM images confirmed spherical morphology, stability, and an ideal size range (180-200 nm) for improved blood circulation. At pH 5.5, liposomes exhibited increased size and positive zeta potential, indicating pH-sensitive properties due to CHEMS response to the acidic tumor microenvironment. Conversely, at pH 7.4, liposomes showed a slightly larger size (199.25 ± 1.64 nm) and a more negative zeta potential (-36.94 ± 0.32 mV), suggesting successful PEG-SpH surface modification, enhancing stability, and reducing aggregation. PTX-loaded PEG-SpH liposomes demonstrated high encapsulation efficiency (84.57 ± 0.92% w/w) and drug loading capacity (4.12 ± 0.26% w/w). In-vitro drug release studies revealed accelerated first-order PTX release at pH 5.5 and a controlled zero-order release at pH 7.4. Cellular uptake studies on MCF-7 cells demonstrated enhanced PTX uptake, attributed to mPEG-PCL incorporation prolonging circulation time and CHEMS facilitating PTX release in the tumor microenvironment. Furthermore, PTX-loaded PEG-SpH liposomes exhibited significantly improved cytotoxicity with an IC50 value of 1.107 µM after 72-h incubation, approximately 90% lower than plain PTX solution. Stability studies confirmed the robustness of the liposomal formulation under various storage conditions. These findings highlight the potential of PEGylated pH-responsive liposomes as effective nanocarriers for enhancing PTX therapy against breast cancer.


Subject(s)
Breast Neoplasms , Drug Liberation , Liposomes , Paclitaxel , Polyethylene Glycols , Paclitaxel/administration & dosage , Paclitaxel/pharmacology , Paclitaxel/pharmacokinetics , Paclitaxel/chemistry , Humans , Liposomes/chemistry , MCF-7 Cells , Hydrogen-Ion Concentration , Polyethylene Glycols/chemistry , Breast Neoplasms/drug therapy , Breast Neoplasms/pathology , Female , Antineoplastic Agents, Phytogenic/administration & dosage , Antineoplastic Agents, Phytogenic/pharmacology , Antineoplastic Agents, Phytogenic/pharmacokinetics , Antineoplastic Agents, Phytogenic/chemistry , Particle Size , Cell Survival/drug effects , Drug Delivery Systems/methods
14.
Lancet ; 404(10457): 1040-1050, 2024 Sep 14.
Article in English | MEDLINE | ID: mdl-39236727

ABSTRACT

BACKGROUND: The long-term impact of drug-coated balloon (DCB) angioplasty for the treatment of patients with de novo coronary artery lesions remains uncertain. We aimed to assess the non-inferiority of DCB angioplasty with rescue stenting to intended drug-eluting stent (DES) deployment for patients with de novo, non-complex coronary artery lesions. METHODS: REC-CAGEFREE I was an open-label, randomised, non-inferiority trial conducted at 43 sites in China. After successful lesion pre-dilatation, patients aged 18 years or older with de novo, non-complex coronary artery disease (irrespective of target vessel diameter) and an indication for percutaneous coronary intervention were randomly assigned (1:1), via a web-based centralised system with block randomisation (block size of two, four, or six) and stratified by site, to paclitaxel-coated balloon angioplasty with the option of rescue stenting due to an unsatisfactory result (DCB group) or intended deployment of second-generation thin-strut sirolimus-eluting stents (DES group). The primary outcome was the device-oriented composite endpoint (DoCE; including cardiovascular death, target vessel myocardial infarction, and clinically and physiologically indicated target lesion revascularisation) assessed at 24 months in the intention-to-treat (ITT) population (ie, all participants randomly assigned to treatment). Non-inferiority was established if the upper limit of the one-sided 95% CI for the absolute risk difference was smaller than 2·68%. Safety was assessed in the ITT population. This study is registered with ClinicalTrials.gov, NCT04561739. It is closed to accrual and extended follow-up is ongoing. FINDINGS: Between Feb 5, 2021, and May 1, 2022, 2272 patients were randomly assigned to the DCB group (1133 [50%]) or the DES group (1139 [50%]). Median age at the time of randomisation was 62 years (IQR 54-69), 1574 (69·3%) of 2272 were male, 698 (30·7%) were female, and all patients were of Chinese ethnicity. 106 (9·4%) of 1133 patients in the DCB group received rescue DES after unsatisfactory DCB angioplasty. As of data cutoff (May 1, 2024), median follow-up was 734 days (IQR 731-739). At 24 months, the DoCE occurred in 72 (6·4%) of 1133 patients in the DCB group and 38 (3·4%) of 1139 in the DES group, with a risk difference of 3·04% in the cumulative event rate (upper boundary of the one-sided 95% CI 4·52; pnon-inferiority=0·65; two-sided 95% CI 1·27-4·81; p=0·0008); the criterion for non-inferiority was not met. During intervention, no acute vessel closures occurred in the DCB group and one (0·1%) of 1139 patients in the DES group had acute vessel closure. Periprocedural myocardial infarction occurred in ten (0·9%) of 1133 patients in the DCB group and nine (0·8%) in the DES group. INTERPRETATION: In patients with de novo, non-complex coronary artery disease, irrespective of vessel diameter, a strategy of DCB angioplasty with rescue stenting did not achieve non-inferiority compared with the intended DES implantation in terms of the DoCE at 2 years, which indicates that DES should remain the preferred treatment for this patient population. FUNDING: Xijing Hospital and Shenqi Medical. TRANSLATION: For the Chinese translation of the abstract see Supplementary Materials section.


Subject(s)
Angioplasty, Balloon, Coronary , Coronary Artery Disease , Drug-Eluting Stents , Paclitaxel , Humans , Male , Female , Middle Aged , Angioplasty, Balloon, Coronary/methods , Paclitaxel/administration & dosage , Paclitaxel/therapeutic use , Coronary Artery Disease/therapy , Aged , Sirolimus/therapeutic use , Sirolimus/administration & dosage , Treatment Outcome , Coated Materials, Biocompatible , China/epidemiology , Percutaneous Coronary Intervention/methods
15.
Taiwan J Obstet Gynecol ; 63(5): 637-650, 2024 Sep.
Article in English | MEDLINE | ID: mdl-39266144

ABSTRACT

The WHO (World Health Organization) conducted an elimination of cervical cancer program using triple pillar intervention strategy to target 90%-70%-90% of women before the year 2030, including (1) a full vaccination of HPV (human papillomavirus) vaccine to 90% of girls <15 years of age; (2) a high-performance screening procedure to 70% of women during the reproductive age (at the age of 35 and 45 years of age); and (3) an appropriate and adequate treatment to 90% of women with confirmed diagnosis of cervical lesions. Among the aforementioned three pillars, a full HPV vaccination has been introduced in our previous review, of which we have discussed the policy and strategy of HPV vaccination in the world and also reviewed the efficacy of HPV vaccination, with a successful reduction of over 90% of HPV-associated neoplasms. The aims of the current review will target another pillar-an appropriate and adequate treatment to 90% of women with confirmed diagnosis of cervical lesions. Since the early-stage cervical cancer has a favorable outcome and the treatment recommendation has been established, therefore, the current review focuses on women with persistent, recurrent and metastatic cervical cancers (advanced cervical cancers), which are still a biggest challenge based on its extremely worse outcomes before the introduction of immune checkpoint inhibitors (ICIs). Integration of ICIs into conventional chemotherapy (paclitaxel-cisplatin) has become the new standard therapy for those patients with advanced cervical cancers. The recent clinical trials, such as KENOTE 826 and KENOTE A18 showing a dramatical improvement of both progression free survival and overall survival have approved the therapeutic efficacy of this combination as ICI plus paclitaxel-platinum (cisplatin or carboplatin) with/without bevacizumab to women with persistent, recurrent and metastatic cervical cancers.


Subject(s)
Neoplasm Recurrence, Local , Papillomavirus Infections , Papillomavirus Vaccines , Uterine Cervical Neoplasms , Humans , Female , Uterine Cervical Neoplasms/therapy , Uterine Cervical Neoplasms/drug therapy , Neoplasm Recurrence, Local/therapy , Papillomavirus Vaccines/administration & dosage , Papillomavirus Infections/complications , Papillomavirus Infections/drug therapy , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Paclitaxel/administration & dosage , Paclitaxel/therapeutic use
16.
Eur J Med Res ; 29(1): 454, 2024 Sep 11.
Article in English | MEDLINE | ID: mdl-39261936

ABSTRACT

BACKGROUND: Neoadjuvant chemotherapy (NAC) is an effective treatment for locally advanced breast cancer (BC). However, there are no effective biomarkers for evaluating its efficacy. CDR1-AS, well known for its important role in tumorigenesis, is a famous circular RNA involved in the chemosensitivity of cancers other than BC. However, the predictive role of CDR1-AS in the efficacy and prognosis of NAC for BC has not been fully elucidated. We herein aimed to clarify this role. METHODS: The present study included patients treated with paclitaxel-cisplatin-based NAC. The expression of CDR1-AS was detected by real-time quantitative reverse transcription polymerase chain reaction testing. The predictive value of CDR1-AS expression was examined in pathological complete response (pCR) after NAC using logistic regression analysis. The relationship between CDR1-AS expression and survival was demonstrated using the Kaplan-Meier method, and tested by log-rank test and Cox proportional hazards regression model. RESULTS: The present study enrolled 106 patients with BC. Multivariate logistic regression analysis revealed that CDR1-AS expression was an independent predictive factor for pCR (odds ratio [OR] = 0.244; 95% confidence interval [CI] 0.081-0.732; p = 0.012). Furthermore, pCR benefits with low CDR1-AS expression were observed across all subgroups. The Kaplan-Meier curves and log-rank test suggested that the CDR1-AS high-expression group showed significantly better disease-free survival (DFS; log-rank p = 0.022) and relapse-free survival (RFS; log-rank p = 0.012) than the CDR1-AS low-expression group. Multivariate analysis revealed that CDR1-AS expression was an independent prognostic factor for DFS (adjusted HR = 0.177; 95% CI 0.034-0.928, p = 0.041), RFS (adjusted HR = 0.061; 95% CI 0.006-0.643, p = 0.020), and distant disease-free survival (adjusted HR = 0.061; 95% CI 0.006-0.972, p = 0.047). CONCLUSIONS: CDR1-AS may be a potential novel predictive biomarker of pCR and survival benefit in patients with locally advanced BC receiving NAC. This may help identify specific chemosensitive individuals and build personalized treatment strategies.


Subject(s)
Biomarkers, Tumor , Breast Neoplasms , Neoadjuvant Therapy , Humans , Breast Neoplasms/drug therapy , Breast Neoplasms/mortality , Breast Neoplasms/pathology , Breast Neoplasms/genetics , Female , Neoadjuvant Therapy/methods , Middle Aged , Biomarkers, Tumor/genetics , Biomarkers, Tumor/metabolism , Prognosis , Prospective Studies , Adult , RNA, Circular/genetics , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Aged , China/epidemiology , Paclitaxel/therapeutic use , Paclitaxel/administration & dosage , East Asian People
17.
Respir Investig ; 62(5): 897-900, 2024 Sep.
Article in English | MEDLINE | ID: mdl-39182943

ABSTRACT

BACKGROUND: Paclitaxel (PTX) is an essential cytotoxic anticancer agent and a standard treatment regimen component for various malignant tumors, including advanced unresectable non-small cell lung cancer, thymic cancer, and primary unknown cancers. However, chemotherapy-induced peripheral neuropathy (CIPN) caused by PTX is a significant adverse event that may lead to chemotherapy discontinuation and deterioration of the quality of life (QOL). Although treatment modalities such as goshajinkigan (GJG), pregabalin, and duloxetine are empirically utilized for CIPN, there is no established evidence for an agent as a preventive measure. We designed a randomized phase II trial (OLCSG2101) to investigate whether prophylactic GJG administration can prevent the onset of CIPN induced by PTX. METHODS: This study was designed as a two-arm, prospective, randomized, multicenter phase II trial. The patients will be randomly assigned to either the GJG prophylaxis arm (Arm A) or the GJG non-prophylaxis arm (Arm B), using cancer type (lung cancer or not) and age (<70 years or not) as adjustment factors. A total of 66 patients (33 in each arm) will be enrolled. DISCUSSION: The results of this study may contribute to better management of CIPN, which can enable the continuation of chemotherapy and maintenance of the patient's QOL. ETHICS AND DISSEMINATION: Ethical approval was obtained from the certified review board of Okayama University (approval no. CRB21-005) on September 28, 2021. Results will be published in peer-reviewed journals and presented at national and international conferences. TRIAL REGISTRATION: Japan Registry of Clinical Trials (registration number jRCTs061210047).


Subject(s)
Drugs, Chinese Herbal , Paclitaxel , Peripheral Nervous System Diseases , Adult , Aged , Female , Humans , Male , Middle Aged , Antineoplastic Agents, Phytogenic/administration & dosage , Antineoplastic Agents, Phytogenic/adverse effects , Clinical Trials, Phase II as Topic , Drugs, Chinese Herbal/administration & dosage , Drugs, Chinese Herbal/therapeutic use , Lung Neoplasms/drug therapy , Multicenter Studies as Topic , Paclitaxel/administration & dosage , Paclitaxel/adverse effects , Peripheral Nervous System Diseases/chemically induced , Peripheral Nervous System Diseases/prevention & control , Prospective Studies , Quality of Life , Randomized Controlled Trials as Topic
18.
Nat Commun ; 15(1): 7116, 2024 Aug 20.
Article in English | MEDLINE | ID: mdl-39164237

ABSTRACT

This single-arm phase 2 trial (ChiCTR2100046715) examined previously untreated patients with advanced esophageal squamous cell carcinoma (ESCC) who received four cycles of paclitaxel with carboplatin every 3 weeks. Toripalimab was infused intravenously every 3 weeks for 12 months, or until disease progression or intolerable toxicity. Radiotherapy that encompassed the primary lesions and metastases commenced in the third cycle. The median progression-free survival time was 9.8 months (95% confidence interval [CI]: 6.8-not estimable) in the intent-to-treat population, failing to meet the pre-specified primary endpoints. Secondary endpoints included an objective response rate of 45.5%, a disease control rate of 57.6%, and a median duration of response of 11.5 months (interquartile range, 6.4-15.0). The 1-year progression-free survival and overall survival rates were 41.9% (95% CI: 27.7-63.5) and 69.7% (95% CI: 55.7-87.3), respectively. Lymphopenia was the most frequent grade ≥3 adverse event (82%), and an esophageal fistula developed in three patients (9.1%). No treatment-related deaths occurred. In prespecified exploratory biomarker analysis, higher densities of CD8 + T cells, CD11c+ dendritic cells, and CD68+ macrophages correlated with improved tumor response and prognosis. Radiotherapy supplementation to first-line chemo-immunotherapy for treatment-naive advanced ESCC demonstrated some antitumor activity and manageable safety profiles, warranting further randomized controlled trials.


Subject(s)
Antibodies, Monoclonal, Humanized , Antineoplastic Combined Chemotherapy Protocols , Esophageal Neoplasms , Esophageal Squamous Cell Carcinoma , Humans , Male , Female , Esophageal Squamous Cell Carcinoma/therapy , Esophageal Squamous Cell Carcinoma/radiotherapy , Esophageal Squamous Cell Carcinoma/pathology , Esophageal Squamous Cell Carcinoma/drug therapy , Esophageal Squamous Cell Carcinoma/mortality , Middle Aged , Esophageal Neoplasms/radiotherapy , Esophageal Neoplasms/mortality , Esophageal Neoplasms/pathology , Esophageal Neoplasms/therapy , Esophageal Neoplasms/drug therapy , Aged , Antibodies, Monoclonal, Humanized/therapeutic use , Antibodies, Monoclonal, Humanized/administration & dosage , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Paclitaxel/therapeutic use , Paclitaxel/administration & dosage , Carboplatin/therapeutic use , Carboplatin/administration & dosage , Progression-Free Survival , Chemoradiotherapy/methods , Adult
19.
Biomed Pharmacother ; 178: 117261, 2024 Sep.
Article in English | MEDLINE | ID: mdl-39106708

ABSTRACT

BACKGROUND: Long-term anti-angiogenesis leads to pruned vasculature, densely deposited extracellular matrix (ECM), and consequently reduced chemotherapy delivery in esophagogastric cancer (EGC). To address this issue, we evaluated the efficacy of adding a hyaluronidase or a NO-donor to the regimen of chemotherapy and anti-angiogenic drugs. METHODS: A patient-derived EGC xenograft model was developed. Grafted mice were randomly assigned to four experimental groups and one control group. The experimental groups received DC101, a murine angiogenesis inhibitor, and nab-paclitaxel (NPTX), with the addition of hyaluronidase (PEGPH20), or NO-donor (nitroglycerine, NTG), or their combination, respectively. We compared tumor growth during 17 days of treatment. We performed immunohistochemistry for ECM components hyaluronan (HA) and collagen, CD31 for endothelial cells, and γH2AX for DNA damage. The positively stained areas were quantified, and vessel diameters were measured using QuPath software. RESULTS: Prolonged DC101 treatment induced deposition of HA (p<0.01) and collagen (p<0.01). HA was effectively degraded by PEGPH20 (p<0.001), but not by NTG as expected. Both PEGPH20 (p<0.05) and NTG (p<0.01) dilated vessels collapsed in response to long-term DC101 treatment. However, only PEGPH20 (rather than NTG) was found to significantly inhibit tumor growth (p<0.05) in combination with NPTX and DC101. CONCLUSIONS: These findings suggest that the mechanical barrier of HA is the major reason responsible for the resistance developed during prolonged anti-angiogenesis in EGC. Incorporating PEGPH20 into the existing treatment regimen is promising to improve outcomes for patients with EGC.


Subject(s)
Albumins , Angiogenesis Inhibitors , Esophageal Neoplasms , Hyaluronoglucosaminidase , Neovascularization, Pathologic , Paclitaxel , Stomach Neoplasms , Xenograft Model Antitumor Assays , Animals , Paclitaxel/pharmacology , Paclitaxel/administration & dosage , Paclitaxel/therapeutic use , Hyaluronoglucosaminidase/administration & dosage , Esophageal Neoplasms/drug therapy , Esophageal Neoplasms/pathology , Humans , Angiogenesis Inhibitors/pharmacology , Angiogenesis Inhibitors/administration & dosage , Stomach Neoplasms/drug therapy , Stomach Neoplasms/pathology , Albumins/pharmacology , Albumins/administration & dosage , Neovascularization, Pathologic/drug therapy , Neovascularization, Pathologic/pathology , Mice , Hyaluronic Acid/pharmacology , Mice, Nude , Female , Angiogenesis , Antibodies, Monoclonal
20.
Article in Chinese | MEDLINE | ID: mdl-39107124

ABSTRACT

Objective: To assess the efficacy of neoadjuvant treatment with PD-1 (programmed cell death protein 1) inhibitors combined with paclitaxel (albumin-conjugated) and cisplatin (TP regimen) for locally advanced hypopharyngeal squamous cell carcinoma and laryngeal organ function preservation. Methods: Data of 53 patients, including 51 males and 2 females, aged 38-70 years old, who were diagnosed with locally advanced hypopharyngeal squamous carcinoma confirmed by histology and enhanced CT at the Cancer Prevention and Control Center of Sun Yat-sen University during the initial treatment from January 1, 2019 to January 15, 2023, were retrospectively analyzed. All patients received neoadjuvant therapy with PD-1 inhibitors combined with albumin-bound paclitaxel (260 mg/m2) and cisplatin (60 mg/m2) for 3 to 4 cycles. The main outcome measures were larynx dysfunction-free survival (LDFS), overall survival (OS), and progression-free survival (PFS). Survival curves were plotted using the Kaplan-Meier method, and Cox multifactorial analysis was further performed if Cox univariate analysis was statistically significant. Results: The overall efficiency was 90.6% (48/53). The 1-year and 2-year LDFS rates were 83.8% (95%CI: 74.0% to 94.8%) and 50.3% (95%CI: 22.1% to 91.6%), the 1-year and 2-year OS rates were 95.2% (95%CI: 88.9% to 100.0%) and 58.2% (95%CI: 25.6% to 81.8%), and the 1-year and 2-year PFS rates were 83.9% (95%CI: 74.2% to 94.9%) and 53.5% (95%CI: 32.1% to 89.1%). Adverse events associated with the neoadjuvant therapy were mainly myelosuppression (45.3%), gastrointestinal reactions (37.7%) and hypothyroidism (20.8%). Conclusion: The neoadjuvant treatment of locally advanced hypopharyngeal squamous cell carcinoma using PD-1 inhibitors combined with paclitaxel and cisplatin can provide with a higher survival rate with a improved laryngeal organ function preservation rate.


Subject(s)
Antineoplastic Combined Chemotherapy Protocols , Cisplatin , Hypopharyngeal Neoplasms , Neoadjuvant Therapy , Paclitaxel , Humans , Male , Middle Aged , Female , Cisplatin/therapeutic use , Paclitaxel/therapeutic use , Paclitaxel/administration & dosage , Adult , Aged , Hypopharyngeal Neoplasms/therapy , Hypopharyngeal Neoplasms/drug therapy , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Retrospective Studies , Albumins/therapeutic use , Albumins/administration & dosage , Squamous Cell Carcinoma of Head and Neck/drug therapy , Squamous Cell Carcinoma of Head and Neck/therapy , Carcinoma, Squamous Cell/drug therapy , Carcinoma, Squamous Cell/therapy , Carcinoma, Squamous Cell/pathology , Programmed Cell Death 1 Receptor/antagonists & inhibitors
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