Trial reportOncology research2025
Intradermal priming to intravesical Bacillus Calmette-Guérin in non-muscle invasive bladder cancer: A translational research and phase I clinical trial.
Trial report in Oncology research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04806178 (Systemic Immunological Response of Bladder Cancer Patients Under Bacillus Calmette Guérin Treatment), which is not on this map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Systemic Immunological Response of Bladder Cancer Patients Under Bacillus Calmette Guérin Treatment
Who cites it
2 citing papers in PubMed.
- BCG Induces PD-1 Upregulation on Circulating CD8Oncology research · 2026Article
- Advances in the immunological microenvironment and immunotherapy of bladder cancer.Frontiers in immunology · 2025Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objective: To determine the safety and the role of modulating cytokines and proteases in the immune response to intravesical Bacillus Calmette-Guérin (BCG) when primed with systemic intradermal BCG. Methods: Phase 1 and mechanistic longitudinal, prospective, single-blind randomized study (NCT04806178). Twenty-one non-muscle invasive urothelial bladder cancer patients undergoing intravesical adjuvant BCG after transurethral resection of bladder tumor (TURBT) in a teaching hospital between September 2021 and April 2023 were randomized to 0.1 mL of intradermal BCG vaccine or placebo (0.9% saline) administered 15 days before the start of intravesical BCG therapy. Blood samples were evaluated mechanistically regarding eight cytokines serum levels interferon-induced transmembrane protein 3 Gene (IFITM3), Interleukin 1 beta (IL1-BETA), interleukin-2 receptor alpha chain (IL2 RA), Interleukin 6 (IL 6), Interleukin 10 (IL 10), Tumor necrosis factor alpha (TNF-α), Interferon-β, AXL, and one protease CASPASE 8. Results: After 1 exclusion, twenty patients were randomized to intradermal BCG (n = 11) and intradermal placebo (n = 9). There was no difference in adverse effects emerging from the intravesical Onco-BCG therapy, and no difference in the expression of the cytokines and proteases analyzed between control and intervention, and over time. Conclusions: Intradermal BCG administration before intravesical application was safe, with no increase in adverse effects. It also does not seem to change the analyzed targets during the intravesical induction-phase BCG. Other immune targets should be explored in the future. The Brazilian tuberculosis-endemic status, where BCG vaccination is mandatory, might have affected the results.
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