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1.
Cancers (Basel) ; 16(1)2024 Jan 03.
Artigo em Inglês | MEDLINE | ID: mdl-38201653

RESUMO

The incidence of human papillomavirus (HPV)-associated oropharyngeal squamous cell carcinoma (OPSCC) is rising in the West, but little is known in Asia. This study elucidated changes in the incidence and HPV-positive portion of OPSCC in Hong Kong. Data from population-based cancer registry were used to analyze the incidence of OPSCC in association with other head and neck cancers. Archived tumor tissues were tested for HPV. From 1986 to 2020, there was a marked decrease in the incidence of nasopharyngeal and laryngeal cancers, but a persistent increase in OPSCC from 36 cases in 1986 to 116 cases in 2020. The average positive rate for high-risk HPV was 36.1% (112/310) among OPSCC diagnosed in 2010-2020. The HPV-positive rate in recent years was significantly higher than earlier cases (tonsil SCC: 64.7% (55/85) in 2016-2020 vs. 40.4% (19/47) in 2010-2015, p = 0.007). Patients with HPV-positive tonsil cancers were significantly younger than those negative (mean [SD]: 58.9 [9.9] vs. 64.3 [13.3] years, p = 0.006), but no significant difference was observed between genders. A persistent increase in the incidence of oropharyngeal cancer over the last few decades was observed in Hong Kong, which can be explained by the remarkable increase in HPV-positive tonsil cancers.

2.
Front Immunol ; 12: 763292, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34938289

RESUMO

The cytokine release syndrome has been proposed as the driver of inflammation in coronavirus disease 2019 (COVID-19). However, studies on longitudinal cytokine profiles in patients across the whole severity spectrum of COVID-19 are lacking. In this prospective observational study on adult COVID-19 patients admitted to two Hong Kong public hospitals, cytokine profiling was performed on blood samples taken during early phase (within 7 days of symptom onset) and late phase (8 to 12 days of symptom onset). The primary objective was to evaluate the difference in early and late cytokine profiles among patient groups with different disease severity. The secondary objective was to assess the associations between cytokines and clinical endpoints in critically ill patients. A total of 40 adult patients (mild = 8, moderate = 15, severe/critical = 17) hospitalized with COVID-19 were included in this study. We found 22 cytokines which were correlated with disease severity, as proinflammatory Th1-related cytokines (interleukin (IL)-18, interferon-induced protein-10 (IP-10), monokine-induced by gamma interferon (MIG), and IL-10) and ARDS-associated cytokines (IL-6, monocyte chemoattractant protein-1 (MCP-1), interleukin-1 receptor antagonist (IL-1RA), and IL-8) were progressively elevated with increasing disease severity. Furthermore, 11 cytokines were consistently different in both early and late phases, including seven (growth-regulated oncogene-alpha (GRO-α), IL-1RA, IL-6, IL-8, IL-10, IP-10, and MIG) that increased and four (FGF-2, IL-5, macrophage-derived chemokine (MDC), and MIP-1α) that decreased from mild to severe/critical patients. IL-8, followed by IP-10 and MDC were the best performing early biomarkers to predict disease severity. Among critically ill patients, MCP-1 predicted the duration of mechanical ventilation, highest norepinephrine dose administered, and length of intensive care stay.


Assuntos
Biomarcadores/sangue , COVID-19/imunologia , Citocinas/sangue , Adulto , Idoso , COVID-19/sangue , Citocinas/imunologia , Feminino , Hong Kong , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , SARS-CoV-2 , Índice de Gravidade de Doença
3.
Health Qual Life Outcomes ; 18(1): 24, 2020 Feb 10.
Artigo em Inglês | MEDLINE | ID: mdl-32041627

RESUMO

INTRODUCTIONS: For young premenopausal breast cancer patients, adjuvant chemotherapy may cause menstrual disruptions and premature menopause, which may in turn impair their quality of life (QoL). In this study among young breast cancer survivors who have undergone adjuvant chemotherapy, the objectives were to assess post-treatment menopausal symptoms and their associated factors, and to correlate these symptoms with breast cancer-specific QoL. METHODS: The study population included premenopausal young Chinese women with early-stage breast cancer who had undergone adjuvant chemotherapy between 3 and 10 years prior to enrolling into this study. At study entry, patients' characteristics and clinical features were collected; each patient had detail menstrual history collected and each filled in MENQOL and FACT-B + 4 questionnaires. RESULTS: Two hundred eighty eligible patients were recruited. For adjuvant chemotherapy, 92% received anthracyclines and 28% received taxanes; 76% received adjuvant tamoxifen. At a median of 5.0 years from initial cancer diagnosis, 49 and 11% had become post- and peri-menopausal respectively. MENQOL at study entry revealed that physical domain score was worse in overweight/obese patients (mean scores for underweight/normal vs overweight/obese: 2.65 vs 2.97, p = 0.0162). Vasomotor domain score was worse in those who received taxanes or tamoxifen (taxane vs non-taxane: 2.91 vs. 2.35, p = 0.0140; tamoxifen vs no tamoxifen: 2.75 vs. 2.34, p = 0.0479). Sexual domain score was worse among those who had become peri/post-menopausal (peri/postmenopausal vs premenopausal: 2.82 vs. 2.29, p = 0.0229). On the other hand, patients who utilized traditional Chinese medicine had significantly worse scores for vasomotor, psychosocial and physical domains. Further, there was a significant association between MENQOL scores and FACT-B + 4 scores; less severe symptoms in the MENQOL domains were associated with better QoL scores in FACT-B + 4 physical, functional, psychosocial and emotional well-being, Breast Cancer Subscale, Arm Subscale and FACT-B total score. CONCLUSION: Among premenopausal breast cancer women who had undergone adjuvant chemotherapy, those who had received taxanes or tamoxifen, were overweight/obese and utilized traditional Chinese medicine had more severe menopausal symptoms. Patients who experienced worse menopausal symptoms were found to have worse breast cancer-specific QoL. Interventional studies with an aim to alleviate menopausal symptoms are warranted to assess if overall QoL of these patients could be improved. TRIAL REGISTRATION: Not applicable.


Assuntos
Antineoplásicos/efeitos adversos , Neoplasias da Mama/tratamento farmacológico , Sobreviventes de Câncer/psicologia , Menopausa/psicologia , Qualidade de Vida/psicologia , Adulto , Antineoplásicos/uso terapêutico , Neoplasias da Mama/psicologia , Quimioterapia Adjuvante/efeitos adversos , Estudos Transversais , Feminino , Humanos , Medicina Tradicional Chinesa/efeitos adversos , Pessoa de Meia-Idade , Obesidade/induzido quimicamente , Obesidade/psicologia
4.
Breast Care (Basel) ; 15(6): 655-666, 2020 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-33447241

RESUMO

BACKGROUND: In this cohort study, the objectives were to determine bone mineral density (BMD) and potential associated factors for bone health among young premenopausal patients after adjuvant chemotherapy. METHODS: Eligibility criteria included premenopausal Chinese aged <45 years who had received adjuvant chemotherapy. At study entry, background demographics and menstrual history were collected; BMD was measured. Factors associated with reduced BMD and fracture risk were analyzed. RESULTS: A total of 271 patients entered the study. The median time from breast cancer diagnosis to study entry was 5.0 years. The median ages at breast cancer diagnosis and at study entry were 41 and 47 years, respectively. The median BMDs for femoral neck (FN) and lumbar spine (LS) were 0.72 and 0.91 g/cm2, respectively; 40.2% had abnormal Z-scores (defined as ≤-1) and 50.2% had osteopenia/osteoporosis of either FN or LS. On multivariate analyses, factors that were identified to have a positive association with bone health (higher BMD) included higher family income (OR [95% CI] for LS = 1.573 [1.091-2.268]), taller stature (OR for LS = 2.975 [1.723-5.137]), and higher BMI (OR for FN = 2.156 [1.599-2.907]), while negatively associated factors included longer interval since last adjuvant treatment (OR for LS: 0.435 [0.250-0.757]), peri-/postmenopausal status at study entry (OR for LS = 0.443 [0.255-0.768]; OR for FN = 0.353 [0.205-0.609]), and having received adjuvant tamoxifen (OR for FN = 0.452 [0.243-0.841]). CONCLUSION: About 5 years after breast cancer diagnosis and adjuvant chemotherapy, >50% of premenopausal patients who had received adjuvant chemotherapy were detected to have osteopenia/osteoporosis and 40% had abnormal Z-scores for FN/LS.

5.
BMC Womens Health ; 17(1): 55, 2017 07 27.
Artigo em Inglês | MEDLINE | ID: mdl-28750616

RESUMO

BACKGROUND: Adjuvant chemotherapy improves outcome of patients with early breast cancer. However, chemotherapy may be associated with long term toxicities. In this retrospective cohort study, the objectives were to determine body weight, body mass index (BMI), blood pressure and fasting lipids levels of young premenopausal Chinese breast cancer patients after adjuvant chemotherapy. Potential factors associated with these parameters were identified. METHODS: Eligibility criteria include premenopausal Chinese patients who were diagnosed to have stage I-III breast cancer within 3-10 years, age < 45 and having received adjuvant chemotherapy at the time of breast cancer diagnosis. Information at initial breast cancer diagnosis were retrieved from patients' medical records and include age at diagnosis, tumor characteristics, anti-cancer treatments, blood pressure and body weight and height. At study entry, all patients had additional background demographics collected, as well as blood pressure, body weight and fasting serum lipid profiles measured. Incidence of chemotherapy-related amenorrhoea (CRA) and menopause were determined. Factors associated with weight gain, hypertension and dyslipidaemias were analyzed. RESULTS: Two hundred and eighty patients were studied. The median age at breast cancer diagnosis was 41 years (range: 24-45). The median time from breast cancer diagnosis to study entry was 5.0 years. The median age at study entry was 46.5 years (range: 28-54). 91.1% developed CRA; 48.9% had become menopausal and 10% were peri-menopausal. Between initial breast cancer diagnosis and the time of study entry, the median weight gain was 1.8 kg; 63.2% gained weight by >2%; 52.1% were overweight/obese; 30.7% had hypertension. Abnormal total-cholesterol and LDL-cholesterol occurred in 34.3% and 56.1% respectively. On multivariate analyses, older age was associated with reduced risk while occurrence of CRA and having received taxane-containing regimens were associated with increased risk of weight gain. Oestrogen-receptor positivity was associated with reduced risk while overweight/obese statuses were associated with increased risk of hypertension. Use of tamoxifen was associated with reduced risk of abnormal LDL-cholesterol. Weight gain, overweight/obese, older age, progression to post/peri-menopausal status at study entry, having received corticosteroid premedication before adjuvant chemotherapy and having received taxane-containing adjuvant chemotherapy were associated with increased risk of dyslipidaemias. CONCLUSION: Among young premenopausal Chinese breast cancer patients who had received adjuvant chemotherapy, the current study has revealed that although there was only a median weight gain of 1.8 kg, there was a nearly 60% increase in abnormal BMI. Further, a significant proportion of patients were detected to have hypertension and dyslipidaemias. Interventional studies with lifestyle modifications are warranted.


Assuntos
Pressão Sanguínea/efeitos dos fármacos , Neoplasias da Mama/tratamento farmacológico , Quimioterapia Adjuvante/efeitos adversos , Lipídeos/sangue , Pré-Menopausa , Aumento de Peso/efeitos dos fármacos , Adulto , Antineoplásicos/efeitos adversos , Índice de Massa Corporal , Neoplasias da Mama/sangue , Neoplasias da Mama/fisiopatologia , Hidrocarbonetos Aromáticos com Pontes/efeitos adversos , Quimioterapia Adjuvante/métodos , China , Feminino , Humanos , Pessoa de Meia-Idade , Estudos Retrospectivos , Tamoxifeno/efeitos adversos , Taxoides/efeitos adversos , Adulto Jovem
6.
J Med Genet ; 53(10): 655-61, 2016 10.
Artigo em Inglês | MEDLINE | ID: mdl-27208206

RESUMO

BACKGROUND: Over recent years genetic testing for germline mutations in BRCA1/BRCA2 has become more readily available because of technological advances and reducing costs. OBJECTIVE: To explore the feasibility and acceptability of offering genetic testing to all women recently diagnosed with epithelial ovarian cancer (EOC). METHODS: Between 1 July 2013 and 30 June 2015 women newly diagnosed with EOC were recruited through six sites in East Anglia, UK into the Genetic Testing in Epithelial Ovarian Cancer (GTEOC) study. Eligibility was irrespective of patient age and family history of cancer. The psychosocial arm of the study used self-report, psychometrically validated questionnaires (Depression Anxiety and Stress Scale (DASS-21); Impact of Event Scale (IES)) and cost analysis was performed. RESULTS: 232 women were recruited and 18 mutations were detected (12 in BRCA1, 6 in BRCA2), giving a mutation yield of 8%, which increased to 12% in unselected women aged <70 years (17/146) but was only 1% in unselected women aged ≥70 years (1/86). IES and DASS-21 scores in response to genetic testing were significantly lower than equivalent scores in response to cancer diagnosis (p<0.001). Correlation tests indicated that although older age is a protective factor against any traumatic impacts of genetic testing, no significant correlation exists between age and distress outcomes. CONCLUSIONS: The mutation yield in unselected women diagnosed with EOC from a heterogeneous population with no founder mutations was 8% in all ages and 12% in women under 70. Unselected genetic testing in women with EOC was acceptable to patients and is potentially less resource-intensive than current standard practice.


Assuntos
Proteína BRCA1/genética , Proteína BRCA2/genética , Testes Genéticos/economia , Mutação em Linhagem Germinativa , Neoplasias Epiteliais e Glandulares/genética , Neoplasias Ovarianas/genética , Adulto , Idoso , Idoso de 80 Anos ou mais , Carcinoma Epitelial do Ovário , Feminino , Predisposição Genética para Doença , Humanos , Pessoa de Meia-Idade , Neoplasias Epiteliais e Glandulares/diagnóstico , Neoplasias Ovarianas/diagnóstico
7.
PLoS One ; 10(10): e0140842, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26485568

RESUMO

PURPOSE: In this prospective cross-sectional study on young premenopausal breast cancer patients, the objectives were to: determine the incidences of chemotherapy-related amenorrhea (CRA) and menopause (CRM); identify associated factors; and assess plasma levels of estradiol (E2) and follicular stimulating hormone (FSH) among patients who developed menopause. METHODS: Eligibility criteria include Chinese stage I-III breast cancer patients, premenopausal, age ≤45 at breast cancer diagnosis, having received adjuvant chemotherapy, within 3-10 years after breast cancer diagnosis. Detailed menstrual history prior to and after adjuvant treatment was taken at study entry. Patients' background demographics, tumor characteristics and anti-cancer treatments were collected. The rates of CRA and CRM were determined. Analysis was conducted to identify factors associated with CRM. For postmenopausal patients, levels of E2 and FSH were analyzed. RESULTS: 286 patients were recruited; the median time from breast cancer diagnosis to study entry was 5.0 years. 255 patients (91.1%) developed CRA. Of these, 66.7% regained menstruation. At the time of study entry, 137 (48.9%) had developed CRM, amongst whom 84 were age ≤45. On multivariate analysis, age was the only associated factor. Among patients with CRM, the median FSH was 41.0 IU/L; this was significantly lower in those who were taking tamoxifen compared to those who were not (20.1 vs. 59.7 IU/L, p<0.0001). The E2 level was <40 pmol/L; there was no difference between those who were still on tamoxifen or not. CONCLUSION: After adjuvant chemotherapy, the majority of young Chinese breast cancer patients developed CRA; ~50% developed CRM, with 61% at age ≤45. Age at diagnosis is the only factor associated with CRM. FSH level may be affected by tamoxifen intake.


Assuntos
Amenorreia/epidemiologia , Antineoplásicos/efeitos adversos , Neoplasias da Mama/tratamento farmacológico , Estradiol/sangue , Hormônio Foliculoestimulante/sangue , Menopausa Precoce/sangue , Tamoxifeno/efeitos adversos , Adulto , Amenorreia/sangue , Amenorreia/induzido quimicamente , Antineoplásicos/uso terapêutico , Neoplasias da Mama/sangue , Quimioterapia Adjuvante/efeitos adversos , China , Estudos Transversais , Feminino , Humanos , Incidência , Pessoa de Meia-Idade , Estudos Prospectivos , Fatores de Risco , Tamoxifeno/uso terapêutico , Adulto Jovem
8.
Echocardiography ; 31(5): 563-8, 2014 May.
Artigo em Inglês | MEDLINE | ID: mdl-25232571

RESUMO

OBJECTIVE: Myocarditis is reported to be a common postmortem finding of systemic lupus erythematosus (SLE). However, most case reports on SLE cardiomyopathy (CM) have not found evidence of myocarditis upon biopsy. Our aim was to characterize the nature, course, and reversibility of left ventricular (LV) dysfunction in patients with SLE. METHODS: The records of 526 SLE patients were reviewed. Patients were included if: (1) at least 4 of 11 American College of Rheumatology criteria for SLE were met, (2) testing for erythrocyte sedimentation rate and hs-CRP were performed during hospitalization, and (3) echocardiogram demonstrated left ventricular ejection function (LVEF) <50%. RESULTS: We identified 14 patients meeting study criteria. Mean LVEF was 33.1 ± 9% upon presentation. The main echocardiographic pattern observed was generalized hypokinesis. Twelve patients demonstrated reversal of cardiomyopathy within 1 week, showing a mean improvement in LVEF of 21.0 ± 7%. Of these, 2 patients underwent coronary angiography demonstrating no evidence of obstructive coronary disease, and 1 underwent cardiac biopsy with no evidence of myocarditis. Four patients (29%) demonstrated improvement within 3 days. Two of the 14 patients died due to their underlying medical illness and did not have a repeat echocardiogram. CONCLUSION: The pattern of wall-motion abnormalities and reversibility demonstrated in the majority of these patients with SLE suggests an etiology more consistent with stress cardiomyopathy rather than myocarditis.


Assuntos
Cardiomiopatias/complicações , Ecocardiografia/métodos , Lúpus Eritematoso Sistêmico/complicações , Recuperação de Função Fisiológica , Disfunção Ventricular Esquerda/etiologia , Função Ventricular Esquerda/fisiologia , Adulto , Cardiomiopatias/diagnóstico por imagem , Cardiomiopatias/fisiopatologia , Feminino , Seguimentos , Humanos , Lúpus Eritematoso Sistêmico/diagnóstico , Masculino , Prognóstico , Estudos Retrospectivos , Disfunção Ventricular Esquerda/diagnóstico por imagem , Disfunção Ventricular Esquerda/fisiopatologia
9.
J Cancer Res Clin Oncol ; 139(3): 419-27, 2013 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-23143606

RESUMO

BACKGROUND: Breast cancer patients regularly undergo adjuvant chemotherapies following surgery. However, these treatments are largely associated with chemotherapeutic toxicities ranging from nausea to severe myelosuppression. In this investigation, we examined the effects of four SNPs in NR1I2, CYP3A4 and CYP3A5 genes on chemotherapy-induced severe neutropenia in 311 female Chinese breast cancer patients undergoing a standard adjuvant chemotherapy regimen. METHODS: Patients were monitored for adverse reactions throughout the treatment, then divided into "none or mild" (80 %) or "severe" (20 %) toxicity groups according to whether they suffered grade 4 neutropenia defined as having an absolute neutrophil counts (ANC) of less than 0.5 × 10(9)/L anytime during the treatment. DNA was extracted from patients' peripheral blood samples, then genotyped using allele-specific Tm-shift PCR and melting analysis. RESULTS: Logistic regression revealed that rs776746 or CYP3A5*3 strongly associated with grade 4 neutropenia (OR = 2.56, P = 0.023) after adjustment for covariates, one of which more significant factor was baseline ANC (OR = 0.68, P = 0.020). Although univariate analysis in all patients did not reveal any association at first, further analysis indicated that rs776746 is significantly associated with severe neutropenia in subgroup of breast cancer patients with normal baseline ANC (≥2.0 × 10(9)/L). These carriers of A-allele have 3.14-fold increased risk of developing severe neutropenia (P = 0.004). CONCLUSION: Our results suggested that polymorphisms in CYP3A5 might be useful pharmacogenetic markers for the prediction of severe neutropenia during chemotherapy, however, only after screening patients by their baseline ANC in the presence of gene-environmental interaction. We demonstrate an approach of pharmacogenetic analysis, in which the genetic data should be analyzed in the perspective of other clinical parameters.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Neoplasias da Mama/tratamento farmacológico , Carcinoma/tratamento farmacológico , Quimioterapia Adjuvante/efeitos adversos , Neutropenia/induzido quimicamente , Neutropenia/genética , Farmacogenética , Adolescente , Adulto , Idoso , Povo Asiático/genética , Povo Asiático/estatística & dados numéricos , Neoplasias da Mama/diagnóstico , Neoplasias da Mama/etnologia , Neoplasias da Mama/genética , Carcinoma/diagnóstico , Carcinoma/etnologia , Carcinoma/genética , Estudos de Casos e Controles , Estudos de Coortes , Citocromo P-450 CYP3A/genética , Citocromo P-450 CYP3A/fisiologia , Feminino , Predisposição Genética para Doença/etnologia , Humanos , Pessoa de Meia-Idade , Neutropenia/epidemiologia , Adulto Jovem
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