Five hundred (500) patients with hypertension are enrolled in a trial. Two hundred fifty (250) are given an anti-hypertensive drug, while 250 are given the same drug plus a water-pill. The decision to give one treatment versus the other to each person was made using a random number table. Both groups are followed for 2 years and are compared to see which group has the lowest blood pressure levels. What type of study is this?

Question

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This is an Individual Therapeutic Randomized Controlled Trial because individual patients are randomly assigned to different treatments to assess the therapeutic effect of the drug combinations on hypertension.

Five Hundred (500) Patients with Hypertension Are Enrolled in a Trial