PRP Survival Guide

Definition: Single-Arm Trial

Editor’s Note: Richard L, Lansdale, Pennsylvania, helped proofread the July issue of On the Road. While reading the article “What Did OHSU Research Lean about PRP and Taltz?” he thought that the term “single-arm trial” should be defined (Paragraph 2).  While I agreed, there was simply no space to add 99 more words. Creating this webpage was the answer.

A single-arm trial means that everyone enrolled in the clinical trial will be treated the same way. For example, a single-arm study focusing on  ixekizumab (brand name Taltz®), would challenge OHSU to gather data to show some indication that there is a benefit. In a single-arm study everyone in the trial gets the drug or medicine, there are no results from people with a similar condition who don’t get the drug.


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