Statistical recommendations for count, binary, and ordinal data in rare disease cross-over trials.
Martin GeroldingerJohan VerbeeckAndrew C HookerKonstantin E ThielGeert MolenberghsJoakim NybergJohann BauerMartin LaimerVerena WallyArne C BathkeGeorg ZimmermannPublished in: Orphanet journal of rare diseases (2023)
Overall, a balance has to be found between achieving high power, accounting for cross-over, period, or carry-over effects, and prioritizing clinically relevant time points.