139 elderly hypertensive patients were studied to compare lisinopril (20-80 mg/day) with hydrochlorothiazide (HCTZ 12.5-50 mg/day) alone, with lisinopril + HCTZ combined (20+ 12.5 to 80 + 50 mg/day, respectively), and separately with atenolol (50-200 mg/day), metoprolol (100-...
The method was successfully applied for determination of lisinopril and HCTZ in combined commercial tablets. The results showed that the proposed method was found to be suitable for quantitative determination and the stability study of lisinopril and HCTZ in pharmaceutical samples.de Diego...