Long term use of anti acid drug may increase risk of bladder cancer, finds Study
In a large population study conducted by a team of researchers from the Center for Public Health, Queen's University, Belfast, County Antrim, UK, it has been observed that the use of ranitidine particularly long-term use was associated with an increased risk of bladder cancer.
The study is published in the American Journal of Gatroenterology.
Ranitidine has been shown to contain the carcinogen N-nitrosodimethylamine and increase urinary N-nitrosodimethylamine in humans. Cardwell, Chris R. and colleagues investigated whether ranitidine use is associated with increased bladder cancer risk.
A nested case-control study was conducted within the Primary Care Clinical Informatics Unit Research database. There were 3,260 cases and 14,037 controls. Bladder cancer cases were identified and matched with up to 5 controls (based on age, sex, general practice, and date of registration).
Ranitidine, other histamine-2 receptor agonists, and proton pump inhibitors were identified from prescribing records. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated using conditional logistic regression after adjusting for comorbidities and smoking.
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