title: Two-stage enriched enrolment pain trials: a brief review of designs and opportunities for broader application.
authors.affiliation: qd Consulting, LLC, Durham, NC 27713, USA.
authors.forename: Steve N
authors.initials: SN
authors.lastname: Quessy
mesh_terms: D000700:Analgesics / Q000627:therapeutic use*; D002986:Clinical Trials as Topic / Q000379:methods*; D004777:Environment; D006801:Humans; D059408:Pain Management; D012107:Research Design
chemical_list: D000700:Analgesics