Losartan is killing me
Pro Research Analysisby 
Searched over 200M research papers
Consensus Meter
Understanding the Effects of Losartan: Benefits and Risks
Introduction to Losartan
Losartan is a widely used medication primarily prescribed for managing high blood pressure and protecting kidney function in patients with type 2 diabetes. It functions as an angiotensin II receptor antagonist, which helps in relaxing blood vessels and reducing blood pressure .
Renal and Cardiovascular Benefits of Losartan
Renal Protection in Diabetic Nephropathy
Losartan has been shown to provide significant renal benefits, particularly in patients with type 2 diabetes and nephropathy. In a pivotal study involving 1513 patients, losartan was found to reduce the incidence of a doubling of serum creatinine, end-stage renal disease (ESRD), or death by 16% compared to placebo . Additionally, losartan significantly decreased the incidence of ESRD by 28% and the doubling of serum creatinine by 25%. These benefits were observed beyond the effects attributable to blood pressure reduction alone.
Cardiovascular Outcomes
While losartan did not significantly impact overall mortality or cardiovascular morbidity, it did reduce the rate of first hospitalization for heart failure by 32%. This suggests that losartan may offer some cardiovascular benefits, particularly in reducing the burden of heart failure in patients with type 2 diabetes and nephropathy.
Tolerability and Safety Profile
General Tolerability
Clinical trials have demonstrated that losartan is generally well tolerated. In a study involving 4058 patients, including 3300 with essential hypertension, losartan was found to be well tolerated with a discontinuation rate due to adverse events similar to that of placebo. In the RENAAL study, 17.2% of patients on losartan discontinued treatment due to adverse events, compared to 21.7% in the placebo group, although causality was not determined.
Specific Adverse Effects
While losartan is generally safe, it is important to monitor for potential adverse effects. Common side effects may include dizziness, upper respiratory infections, and back pain. However, serious side effects are rare and should be promptly addressed by healthcare providers.
Losartan in Cancer Therapy
Radiosensitizing Effects
Interestingly, losartan has also been studied for its potential antitumor properties. Research indicates that losartan can sensitize prostate cancer cells to ionizing radiation, enhancing the therapeutic effects of radiation therapy. In prostate cancer cells treated with losartan, cell survival was significantly reduced, demonstrating its potential as an adjunctive treatment in cancer therapy.
Conclusion
Losartan is a valuable medication for managing high blood pressure and protecting kidney function in patients with type 2 diabetes. It offers significant renal benefits and some cardiovascular advantages, particularly in reducing heart failure hospitalizations. While generally well tolerated, it is essential to monitor for adverse effects. Additionally, losartan shows promise in enhancing cancer treatment, specifically in sensitizing prostate cancer cells to radiation therapy. Patients should consult their healthcare providers to understand the full scope of benefits and risks associated with losartan.
Sources and full results
Most relevant research papers on this topic