A Single and Multiple Ascending Dose Study of CK-3773274 in Healthy Adult Subjects

Completed · Phase 1 · Has a placebo group

Conditions studied: Symptomatic Obstructive Hypertrophic Cardiomyopathy, Healthy Subjects

In brief

The purposes of this study are to: 1. Learn about the safety of CK-3773274 after a single dose and multiple doses in healthy subjects. 2. Learn how healthy subjects tolerate CK-3773274 after a single dose and multiple doses. 3. Find out how much CK-3773274 is in the blood after a single dose and multiple doses. 4. Determine the effect of doses of CK-3773274 on the pumping function of the heart. 5. Evaluate the effect of cytochrome genetic variants on how the body metabolizes CK-3773274. 6. Evaluate the effect of a meal on how much CK-3773274 is in the blood in healthy adult subjects. 7. Evaluate whether the amount of CK-3773274 in the blood is the similar for both the tablet and granules in capsule forms of the drug.

Key facts

Study ID

NCT03767855

Run by

Cytokinetics

People needed

114

Starts

2018-12-04

Expected to finish

2020-01-03

Last updated by the study team

2025-01-24

Who can join

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

You may qualify if…

• Males and females (of non-childbearing potential) between 18 and 55 years of age, inclusive
• Body weight > 55.0 kg and body mass index within 18.0 to 32.0 kg/m2, inclusive
• Normal cardiac structure and function, or if abnormalities are present, they are deemed not clinically significant
• Normal to high left ventricular ejection fraction.
• Normal electrocardiogram (ECG) or, if abnormalities are present, they are deemed not clinically significant
• Clinical laboratory findings within normal range
• Negative hepatitis panel (including hepatitis B surface antigen and hepatitis C antibody), and negative human immunodeficiency virus antibody screens
• Willing and able to refrain from strenuous exercise (eg, activity which could be expected to cause muscle soreness)
• For Arms 5 and 6 only: Subject is a CYP2D6 poor metabolizer

You may not qualify if…

• History of any significant illness or disorder
• History of stomach or intestinal surgery or resection (appendectomy, hernia repair, and/or cholecystectomy will be allowed)
• A clinically significant illness within 4 weeks of Check-in
• Inability to swallow capsules or tablets
• History of or current substance abuse (drug or alcohol), known drug or alcohol dependence within the last 2 years prior to Screening, or positive test for drugs of abuse during the screening period
• Use of any tobacco-containing or nicotine-containing products within 3 months prior to Check-in
• Participation in any other investigational study drug trial in which receipt of an investigational study drug occurred within 30 days prior to Check-in
• Any blood donation within 60 days of dosing, plasma donation within 30 days of dosing, or receipt of blood products within 2 months prior to Check-in

Where it is running

• Clinical Site — Tempe, Arizona, United States

Full record on ClinicalTrials.gov

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