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1.
Cancer Med ; 10(5): 1525-1534, 2021 03.
Artigo em Inglês | MEDLINE | ID: mdl-33591635

RESUMO

BACKGROUND: Checkpoint inhibitors (Nivolumab and Pembrolizumab) are approved for multiple indications in solid tumors. However access to these therapies is limited in low and middle income countries. Hence we performed an audit to identify accessibility, adverse event rates, compliance, progression free survival and overall survival in solid tumors. METHODS: This was a single center retrospective analysis of prospective data base of patients with non-melanoma solid tumors who were treated with immunotherapy from August 2015 to November 2018. Adverse events during immunotherapy were documented and graded using CTCAE (Common terminology criteria for adverse events), v. 4.02. The response rates to immunotherapy, toxicities and the time to onset and resolution of toxicities were also evaluated as secondary endpoints. RESULTS: Out of 9610 patients, only 155 patients (1.61%) could receive immunotherapy. The most common malignancies included metastatic non-small cell lung cancer, metastatic renal cell carcinoma, metastatic urothelial carcinoma and relapsed/recurrent head and neck squamous cell carcinoma. Median overall survival in patients who received immunotherapy in non-melanoma solid malignancies was 5.37 months (95% CI, 3.73-9.73). Poor performance status at baseline was the only adverse prognostic factor. The median progression free survival was 2.57 months (95% CI, 1.73-3.83). Immunotherapy was well tolerated with most common side effects being fatigue 14.8% and anorexia 5.8%. The cumulative incidence of immune related adverse events like hepatitis, pneumonitis, colitis and nephritis was less than 10%. CONCLUSION: Real-world data in Indian setting confirms the benefit of immunotherapy in patients with advanced non-melanoma solid tumors.


Assuntos
Anticorpos Monoclonais Humanizados/uso terapêutico , Inibidores de Checkpoint Imunológico/uso terapêutico , Imunoterapia Adotiva/estatística & dados numéricos , Neoplasias/tratamento farmacológico , Nivolumabe/uso terapêutico , Adulto , Idoso , Idoso de 80 Anos ou mais , Anorexia/induzido quimicamente , Anticorpos Monoclonais Humanizados/efeitos adversos , Carcinoma Pulmonar de Células não Pequenas/tratamento farmacológico , Carcinoma Pulmonar de Células não Pequenas/mortalidade , Carcinoma de Células Renais/tratamento farmacológico , Carcinoma de Células Renais/mortalidade , Fadiga/induzido quimicamente , Feminino , Neoplasias de Cabeça e Pescoço/tratamento farmacológico , Neoplasias de Cabeça e Pescoço/mortalidade , Humanos , Inibidores de Checkpoint Imunológico/efeitos adversos , Inibidores de Checkpoint Imunológico/provisão & distribuição , Índia , Neoplasias Renais/tratamento farmacológico , Neoplasias Renais/mortalidade , Neoplasias Pulmonares/tratamento farmacológico , Neoplasias Pulmonares/mortalidade , Masculino , Pessoa de Meia-Idade , Neoplasias/mortalidade , Neoplasias/patologia , Nivolumabe/efeitos adversos , Intervalo Livre de Progressão , Estudos Retrospectivos , Carcinoma de Células Escamosas de Cabeça e Pescoço/tratamento farmacológico , Carcinoma de Células Escamosas de Cabeça e Pescoço/mortalidade , Adulto Jovem
2.
J Cell Physiol ; 235(12): 9922-9932, 2020 12.
Artigo em Inglês | MEDLINE | ID: mdl-32537823

RESUMO

Head and neck squamous cell carcinoma (HNSCC) is the one of the most frequently found cancers in the world. The aim of the study was to find the genes responsible and enriched pathways associated with HNSCC using bioinformatics and survival analysis methods. A total of 646 patients with HNSCC based on clinical information were considered for the study. HNSCC samples were grouped according to the parameters (RFS, DFS, PFS, or OS). The probe ID of these 11 genes was retrieved by Affymetrix using the NetAffx Query algorithm. The protein-protein interaction (PPI) network and Kaplan-Meier curve were used to find associations among the genes' expression data. We found that among these 11 genes, nine genes, CCNA1, MMP3, FLRT3, GJB6, ZFR2, PITX2, SYCP2, MEI1, and UGT8 were significant (p < .05). A survival plot was drawn between the p value and gene expression. This study helped us find the nine significant genes which play vital roles in HNSCC along with their key pathways and their interaction with other genes in the PPI network. Finally, we found the biomarker index for relapse time and risk factors for HNSCC in cancer patients.


Assuntos
Biomarcadores Tumorais/genética , Recidiva Local de Neoplasia/genética , Carcinoma de Células Escamosas de Cabeça e Pescoço/genética , Transcriptoma/genética , Algoritmos , Alphapapillomavirus , Biologia Computacional , Feminino , Regulação Neoplásica da Expressão Gênica/genética , Humanos , Masculino , Pessoa de Meia-Idade , Recidiva Local de Neoplasia/patologia , Recidiva Local de Neoplasia/virologia , Prognóstico , Mapas de Interação de Proteínas/genética , Carcinoma de Células Escamosas de Cabeça e Pescoço/patologia , Carcinoma de Células Escamosas de Cabeça e Pescoço/virologia
3.
South Asian J Cancer ; 7(4): 219-222, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-30430086

RESUMO

Background: Modified 5-fluorouracil/leucovorin/irinotecan (mFOLFIRI) is a commonly used combination second-line chemotherapeutic regimen in advanced gastric cancer (AGC). Materials and Methods: Patients diagnosed with AGC, receiving biweekly mFOLFIRI between July 2013 and June 2016, as second-line chemotherapy were retrospectively analyzed for tolerance, prognostic factors, event-free survival (EFS), and overall survival (OS). Results: Overall, 91 patients were administered a median of 6 cycles of therapy. Response rate was 29.7% and clinical benefit rate was 57.2%. With a median follow-up of 11.5 months, median EFS was 3.98 months (95% confidence interval [CI]: 2.54-5.41) and median OS was 7.73 months (95% CI: 5.30-10.15). Common Grade 3 and Grade 4 adverse events were neutropenia (18.7%), febrile neutropenia (9.9%), thrombocytopenia (7.7%), and vomiting (4.4%). Nearly 33% of patients required dose modification during therapy. Conclusions: mFOLFIRI regimen as a second-line therapy in AGCs appears feasible and efficacious in clinical practice.

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