Use of external control arms in immune-mediated inflammatory diseases: a systematic review.
Alexa ZayadiRobert EdgeClaire E ParkerJohn K MacdonaldBlue NeustifterJoshua ChangGuowei ZhongSiddharth SinghBrian G FeaganChristopher MaVipul JairathPublished in: BMJ open (2023)
Standardised ECA methodology and reporting conventions are lacking for IMIDs trials. The establishment of ECA reporting guidelines may enhance the rigour and transparency of future research.