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A Study of Annual Doses of MK-1406/CD388 in Healthy Adults (MK-1406-006/CD388.SQ.2.07)
Sponsor: Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Summary
The goal of this clinical study is to learn if giving repeated annual doses of MK-1406 (CD388) is safe and how the body reacts to it in healthy adults who have already received one dose without serious side effects. The study aims to determine if the body makes antibodies against MK-1406 after repeated doses, which might affect how the drug works or how safe it is, and to better understand the safety and tolerability of repeated doses. Participants will receive two doses of MK-1406 over two years and be monitored for 18 months. Researchers will check for immune responses against the drug, watch for any side effects, and measure how the drug behaves in the body over time. This study is based on the idea that people who tolerated MK-1406 well before will likely continue to tolerate it safely with repeated annual dosing, and that the risk of immune reactions will remain low.
Official title: A Phase 2, Open-Label, Long-Term Study to Evaluate the Safety, Pharmacokinetics, and Occurrence of Anti-Drug Antibodies in Healthy Participants Following Annual Doses of CD388, a Novel Long-Acting Antiviral Conjugate
Key Details
Gender
All
Age Range
18 Years - 66 Years
Study Type
INTERVENTIONAL
Enrollment
400
Start Date
2025-10-29
Completion Date
2027-07-31
Last Updated
2026-08-20
Healthy Volunteers
Yes
Conditions
Interventions
MK-1406 Injection
MK-1406 liquid for injection administered subcutaneously
Locations (6)
Floridian Clinical Research ( Site 0102)
Miami Lakes, Florida, United States
Floridian Clinical Research
Miami Lakes, Florida, United States
Spartanburg Medical Research ( Site 0101)
Spartanburg, South Carolina, United States
Spartanburg Medical Research
Spartanburg, South Carolina, United States
hVIVO Serviced Limited
London, England, United Kingdom
hVIVO ( Site 0001)
London, London, City of, United Kingdom