ct_phaseLevel 1

Trial Phases

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ct_phase_0Phase 0 (exploratory IND)

ct_phase_1Phase I (safety, dose-finding)

ct_phase_1bPhase Ib (expansion cohorts)

ct_phase_2Phase II (efficacy, dose-ranging)

ct_phase_2bPhase IIb (dose-confirming)

ct_phase_3Phase III (confirmatory, pivotal)

ct_phase_3bPhase IIIb (supplemental studies)

ct_phase_4Phase IV (post-marketing)

Cross-system equivalences2

NAICS 2022

5417Scientific Research and Development Servicesbroad 6215Medical and Diagnostic Laboratoriesbroad

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