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1.
Clin Genitourin Cancer ; 17(4): e779-e783, 2019 08.
Artigo em Inglês | MEDLINE | ID: mdl-31160192

RESUMO

PURPOSE: To evaluate recurrence, progression, and cancer-specific mortality of high-grade T1 non-muscle-invasive bladder cancer by assessing receipt of a low dose of the underexplored bacillus Calmette-Guérin (BCG) Moreau strain in a retrospective observational cohort study. PATIENTS AND METHODS: From January 2006 to December 2015, a total of 219 consecutive patients with high-grade T1 non-muscle-invasive bladder cancer received half-dose (40 mg; n = 109) or standard-dose (80 mg; n = 110) BCG Moreau strain after transurethral resection of the bladder. BCG therapy was initiated 2 or 3 weeks after transurethral resection of the bladder using the following protocol: 6 weekly doses, 12 monthly, 4 once every 3 months, and 2 once every 6 months, with a total of 24 doses. RESULTS: Comparing the half-dose and standard-dose treatment groups, in a median follow-up of 74.6 months, recurrence (n = 51, 46.8% vs. n = 60, 54.5%, P = .28), progression (n = 18, 16.5% vs. n = 16, 14.5%, P = .69), and disease-specific mortality (n = 9, 8.3% vs. n = 5, 4.5%, P = .26) were not significantly different on Kaplan-Meier curves and log-rank test, respectively. Charlson comorbidity index was an independent predictor of death from disease (hazard ratio = 1.341; 95% confidence interval, 1.033-1.740; P = .0274); no predictor of recurrence or progression was identified. Treatment intolerance occurred in 1 (0.9%) versus 6 (5.4%) patients (P = .12), respectively. No hospital admission or systemic BCG toxicity was reported. CONCLUSION: To our knowledge, this is the largest low-dose Moreau BCG strain study in high-grade T1 scenario. A half dose of BCG Moreau strain might be safe and effective in terms of tumor control, progression, or cancer-specific mortality with a low complication rate, which is central to the worldwide scenario of BCG shortage, and can help regulatory agencies approve efficient daughter BCG strains.


Assuntos
Vacina BCG/administração & dosagem , Cistectomia/métodos , Neoplasias da Bexiga Urinária/tratamento farmacológico , Neoplasias da Bexiga Urinária/cirurgia , Idoso , Idoso de 80 Anos ou mais , Vacina BCG/uso terapêutico , Quimioterapia Adjuvante , Relação Dose-Resposta a Droga , Esquema de Medicação , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Gradação de Tumores , Estudos Retrospectivos , Análise de Sobrevida , Resultado do Tratamento , Neoplasias da Bexiga Urinária/patologia
2.
Prostate Cancer ; 2019: 2653708, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31057971

RESUMO

PURPOSE: To explore the burden of prostate biopsy at the time of its indication, procedure, and pathological report in the prostate cancer-screening scenario that is neglected and underestimated in the literature. METHODS: Prostate biopsy was offered to 47 consecutive patients with prostate-specific antigen (PSA) over 4 ng/dl or suspicious digital rectal examination (DRE) of whom 16 had undergone a biopsy. Comprehensive validated questionnaires at Time 0 (prebiopsy), Time 1 (before diagnosis, 20 days after biopsy), and Time 2 (after diagnosis, 40 days after biopsy) accessed patients' erectile (IIEF-5) and voiding (IPSS) functions, Beck scales measured anxiety (BAI), hopelessness (BHS), and depression (BDI), added to the emotional thermometers including five visual analog scales for distress, anxiety, depression, anger, and need for help. The Mann-Whitney or Friedman tests were obtained among times and studied variables. RESULTS: Prostate biopsy did not significantly impact patients' erectile and voiding functions while a higher Beck anxiety index (BAI) was observed at Time 0 (6.89 ± 6.33) compared to Time 1 (4.83 ± 2.87), p=0.0214, and to Time 2 (4.22 ± 4.98), p=0.0178. At Time 0, patients that experienced a previous biopsy presented higher distress (3.1 ± 3.0 vs. 1.6 ± 2.3), p=0.043, and emotional suffering thermometer scores (2.3 ± 3.3 vs. 0.9 ± 2.4) compared to those undergoing the first biopsy, p=0.036. At Time 2, patients with positive biopsies compared with those with negative ones showed no significant difference in outcome scores. The sample power was >90%. CONCLUSIONS: To be considered in patients' counseling and care, the current study supports the hypothesis that the peak burden of prostate biopsy occurs at the time of its indication and might be higher for those experiencing rebiopsy, significantly impacting patients' psychosocial domains. TRIAL APPROVAL: This trial is registered under number NCT03783741.

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