A Study to Evaluate the Pharmacokinetics, Safety, and Tolerability of Mitapivat (AG-348) in Healthy Adult Participants

Completed · Phase 1 · Has a placebo group

Conditions studied: Healthy Volunteers

In brief

This is a Phase 1, randomized, single-dose, double-blinded, 4-period, crossover study to evaluate the pharmacokinetics, safety, and tolerability of mitapivat in healthy adult participants under fasted and fed (high-fat meal) conditions. Secondary objectives include evaluating the effect of mitapivat on electrocardiogram (ECG) parameters, including concentration-QT interval corrected for heart rate (C-QTc) analysis under fasted conditions. The study will include a 28-day screening period, four 7-day treatment periods. Participants will receive a follow-up telephone call within 28 (±1) days after the last dose of study drug.

Key facts

Study ID

NCT04472832

Run by

Agios Pharmaceuticals, Inc.

People needed

32

Starts

2020-06-17

Expected to finish

2020-11-23

Last updated by the study team

2021-02-18

Who can join

Age: 18 and older, up to 55. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Participant is male or female 18 to 55 years of age, inclusive;
• If female, is not currently pregnant or breastfeeding OR is of non-childbearing potential, defined as either:
• Being clinically infertile as the result of surgical sterilization, confirmed postmenopausal status, or another documented medical condition (eg, was born without a uterus) OR
• Agreeing to either abstain from sexual intercourse with a male partner OR agrees to use a highly effective form of contraception, beginning at the time of screening and continuing throughout the study and for 28 days after dosing. The following are considered highly effective forms of contraception: hormonal oral contraceptives, injectables, and patches; intrauterine devices; double-barrier methods (synthetic condom, diaphragm, or cervical cap used with spermicidal foam, cream, or gel); and male partner sterilization;
• If male, agrees to abstain from sexual intercourse with a female partner OR agrees to use a highly effective form of contraception, beginning at the time of screening and continuing throughout the study and for 90 days after dosing, AND to refrain from donating sperm for the duration of the study and for 90 days after dosing;
• Participant has a body mass index 18 to 32 kilograms per square meter (kg/m\^2), inclusive, at screening;
• Participant is considered by the investigator to be in good general health as determined by medical history, clinical laboratory test results, vital sign measurements, 12-lead ECG results, and physical examination findings at screening;
• Participant has no clinically significant history or presence of ECG findings as judged by the investigator at screening and check-in, including each criterion as follows:
• Normal sinus rhythm (heart rate [HR] between 45 beats per minute [bpm] and 100 bpm inclusive);
• QT interval corrected for HR using Fridericia's formula (QTcF) ≤450 milliseconds (msec);
• QRS interval ≤110 msec; and confirmed by manual over read if >110 msec;
• PR interval between 120 and 220 msec;
• Participant agrees to comply with all protocol requirements;
• Participant is able to provide written informed consent.

You may not qualify if…

• Participant has any medical or surgical condition that, in the opinion of the investigator, could affect study drug absorption, distribution, metabolism, or excretion;
• Participant has undergone any major surgical procedure within the 3 months prior to screening;
• Participant has a history of any primary malignancy (including any melanoma or suspicious undiagnosed skin lesions), with the exception of in situ basal cell or squamous cell carcinomas of the skin, cervical carcinoma in situ, or other malignancies that have been curatively treated and for which the participant has displayed no evidence of disease within the 5 years prior to screening;
• Participant has glucose-6-phosphate-dehydrogenase deficiency;
• Participant has a known history or presence of liver disease.
• Participant has a positive test result for hepatitis B surface antigen (HBsAg), hepatitis C virus antibody (HCVAb), or human immunodeficiency virus (HIV) types 1 or 2 antibodies at screening;
• Participant has liver function tests including alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase, and total bilirubin that are greater than the upper limit of normal at screening or check-in (results may be repeated once);
• Participant has platelet count or hemoglobin and hematocrit values that are below the lower limit of normal at screening or check-in (results may be repeated once);
• Participant has a positive test result for drugs of abuse, alcohol, or cotinine (indicating active current smoking) at screening or before the first dose of study drug or throughout the study.
• Participant has used any prescription (excluding hormonal birth control) medications within 30 days (or 5 half-lives, whichever is longer) before the first dose of study drug or throughout the study;
• Participant has used any over-the-counter medications, including herbal or nutritional supplements, within 28 days (or 5 half-lives, whichever is longer) before the first dose of study drug or throughout the study;
• Participant has received study drug in another investigational study within 30 days (or 5 half-lives, whichever is longer) of dosing.
• Participant has donated blood or blood products >450 milliliters (mL) within 30 days before the first dose of study drug.
• Participant has history or presence of:
• Risk factors for torsades de pointes (eg, heart failure, cardiomyopathy, or family history of long QT syndrome);
• Sick sinus syndrome, second- or third-degree atrioventricular block, myocardial infarction, pulmonary congestion, cardiac arrhythmia, prolonged QT interval, or conduction abnormalities;
• Repeated or frequent syncope or vasovagal episodes;
• Hypertension, angina, bradycardia (if assessed as clinically significant by the investigator), or severe peripheral arterial circulatory disorders;
• Clinically significant laboratory assessment findings, including hypokalemia, hypercalcemia, or hypomagnesemia;
• Participant has history or presence of:
• Any evidence of atrial fibrillation, atrial flutter, complete right or left bundle branch block, or Wolff-Parkinson-White syndrome on the screening or baseline ECG;
• Any morphology that renders measurement of QT interval imprecise (eg, neuromuscular artifact that cannot be readily eliminated, indistinct QRS onset, low-amplitude T-wave, merged T and U-waves, prominent U-waves, arrhythmia) on the screening or baseline ECG.
• Participant is not willing to refrain from marijuana or cannabinol-containing products for 7 days before the first dose of study drug and throughout the study;
• Participant has consumed caffeine- or xanthine containing products within 24 hours prior to first dose of study drug or throughout the study;
• Participant has consumed grapefruit or grapefruit juice, Seville orange or Seville orange containing products (eg, marmalade) within 28 days before the first dose of study drug or throughout the study;

Where it is running

• PPD Development, LP — Austin, Texas, United States

Full record on ClinicalTrials.gov

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