SURPASS — 10 things I got wrong before I got it right
Thinking out loud about this: SURPASS — 10 things I got wrong before I got it right. Started keeping the trial identifiers straight in a note file because I kept mixing up two programmes in the same sentence. Went looking for the registered protocol to see whether the endpoint had changed. It had not, which was…
Relative risk reduction without the baseline rate is uninterpretable. A large relative reduction on a small absolute risk is a small absolute benefit.
read the endpoint before you read the headline
The registered protocol is public. Comparing the registered primary endpoint with the reported one is a two-minute check and it is how outcome switching gets caught.
Argued for a week about a result and then read the limitations section, which conceded most of my opponent’s point.
a mean is not a promise
Quoted a figure here confidently, got asked whether it was ITT, went and checked, and it was not. Learned something.
STEP is semaglutide obesity, SURMOUNT is tirzepatide obesity, they are not interchangeable
FLOW was kidney outcomes and it is the one nobody quotes