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NotableTrial status: Active, Not Recruiting to RecruitingSite details revised at 58 of 58 sitesv27Show 1 more changeShow less
Site details revised at 58 of 58 sites
MinorStudy sites: 57 to 58v26
MinorRe-verified, no change to tracked fieldsv25
MinorEnrollment target: 267 to 277Primary completion date: Sep 2025 to Dec 2025 · Completion date: Nov 2029 to Feb 2030 · Start date: Jan 19, 2022 to Feb 11, 2022v24Show 3 more changesShow less
Primary completion date: Sep 2025 to Dec 2025
Completion date: Nov 2029 to Feb 2030
Start date: Jan 19, 2022 to Feb 11, 2022
MinorRe-verified, no change to tracked fieldsv23
MinorStudy sites: 55 to 57v22
Minor3 versionsRe-verified since Feb 16, 2023, no change to tracked fieldsv19-v21
MinorStudy sites: 54 to 55v18
MinorTrial status: Recruiting to Active, Not RecruitingSite details revised at 54 of 54 sitesv17Show 1 more changeShow less
Site details revised at 54 of 54 sites
MinorStudy sites: 39 to 54v16
MinorStudy sites: 30 to 39v15
MinorStudy sites: 25 to 30Completion date: Jan 2030 to Nov 2029v14Show 1 more changeShow less
Completion date: Jan 2030 to Nov 2029
MinorStudy sites: 20 to 25Study title expanded, about 2 wordsv13Show 1 more changeShow less
Stopped: an ongoing trial was terminated, suspended or withdrawn.
Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
Minor: routine progress and housekeeping, such as sites added or enrollment closed.
This clinical trial is a Phase 2/3 study that will determine the recommended dose of mitapivat and evaluate the efficacy and safety of mitapivat in sickle cell disease by testing how well mitapivat works compared to placebo to increase the amount of hemoglobin in the blood and to reduce or prevent the occurrence of sickle cell pain crises. In addition, the long-term effect of mitapivat on efficacy and safety will be explored in an open-label extension portion.