intervention design sequential design Provenance: OCI PMID: 17710740.Pharm Stat. 2007 Aug 20.Sequential design approaches for bioequivalence studies with crossover designs. Philippe Rocca-Serra MUSC sequential design Any design in which the decision as to whether to enroll the next patient, pair of patients, or block of patients is determined by whether the cumulative treatment difference for all previous patients is within specified limits. Enrollment is continued if the difference does not exceed the limits. It is terminated if it does pending final vetting