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Bacillus Calmette-Guerin (BCG) is a live, attenuated strain of Mycobacterium bovis commonly used for the treatment of superficial bladder carcinoma. Intravesical BCG is well tolerated despite side effects that range from hematuria to sepsis syndrome. A very rare complication is vascular infection developing a mycotic BCG aneurysm, especially in the thoracoabdominal aorta (TAAA). These are challenging to diagnose because of their scarcity, nontraditional culture media, slow growth, and are often lethal. We report the first successful repair of a symptomatic, multifocal TAAA secondary to M bovis manifesting 17 months after intravesical BCG therapy and review the literature.
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http://dx.doi.org/10.1016/j.avsg.2014.12.020 | DOI Listing |
PLoS Negl Trop Dis
September 2025
Department of Public Health, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands.
Background: The Maltalep trial in Bangladesh assessed whether single-dose rifampicin (SDR) given 8-12 weeks after bacillus Calmette-Guérin (BCG) vaccination was able to prevent excess leprosy cases due to BCG in contacts of newly diagnosed leprosy patients. After previous publication of the two years follow-up results of the trial, we now review the results after five years. Furthermore, to better understand the long-term protective effects of BCG against leprosy, we conduct post-hoc in-depth secondary statistical analyses based on the prospective interventional (randomized) Maltalep trial and a non-interventional (non-randomized) cohort study that was conducted simultaneously in the same project area.
View Article and Find Full Text PDFPathol Res Pract
August 2025
Urology Research Center, Tehran University of Medical Sciences, Tehran, Iran. Electronic address:
Management of non-muscle-invasive bladder cancer (NMBIC) typically involves transurethral resection of bladder tumor (TURBT) followed by intravesical Bacillus Calmette-Guérin (BCG) immunotherapy. However, 30-50 % of patients may not respond to BCG or experience recurrence. High-dose vitamin C (VitC) has shown promise in improving the outcome of immunotherapies such as immune checkpoint blockade.
View Article and Find Full Text PDFVaccine
September 2025
Hospital for Gynaecology and Obstetrics Kranj, Kidričeva cesta 38a, 4000 Kranj, Slovenia.
Tuberculosis (TB) remains a global health challenge, with around 10 million new cases reported annually and multidrug-resistant strains complicating control efforts. Although incidence has declined in many high-income regions, neonatal populations remain vulnerable, underscoring the continued role of Bacillus Calmette-Guérin (BCG) vaccination. BCG vaccination provides strong protection against severe forms of TB in infancy, though its efficacy against pulmonary disease in adolescents and adults is modest.
View Article and Find Full Text PDFNon-muscle-invasive bladder cancer (NMIBC) is common and heterogeneous, requiring risk-adapted therapeutic strategies. BCG remains standard for intermediate- and high-risk forms, but its effectiveness is influenced by limited access, variable tolerance, treatment resistance, and healthcare system disruptions. Material and This retrospective study aimed to identify prognostic factors for survival with an additional assessment of the influence of the COVID-19 pandemic.
View Article and Find Full Text PDFImmunol Lett
September 2025
Pediatric Cell and Gene Therapy Research Centre, Gene, Cell & Tissue Research Institute, Tehran University of Medical Sciences, Tehran, Iran. Electronic address:
Introduction: Recent advances in hematopoietic stem cell transplantation (HSCT) have improved clinical outcomes; however, various factors continue to influence HSCT success, especially vaccination in immunocompromised patients who receive vaccination at birth. While several studies have investigated the efficacy of vaccines in Chronic Granulomatous Disease (CGD) patients, the specific impact of vaccination on HSCT outcomes in these patients has not yet been studied. This study aimed to address an important gap in the current literature by investigating the effects of BCG vaccination on HSCT outcomes in patients with CGD.
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