Quality Control of RCTs
Very detailed protocol, including endpoint metrics, a
hallmark of a good study – done ex ante, not ex post
Use of “surrogate markers” / intermediate outcomes
Accuracy of case report forms
Trial design isolates effect of MI?
What if randomization “fails” in TX vs. control group
on some dimensions?
Additional statistical analysis
Site effects?
Keeping track of drop-outs, and reasons for drop-outs