MK-1406 clinical trials
Also written MK-1406.
How each study uses MK-1406 is sorted by a rule, right about nine times in ten. Readers can ask us to read every study one by one.Ask us to read each study
Get an email when these change. Save the MK-1406 studies recruiting or about to start — once a week, free: studies that open, close, add sites or post results.
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Example · made-up studies
Breast cancer · Recruiting: 2 came in, 3 changed
What changed in your saved searches, Oct 31 – Nov 6:
A study of drug A after surgery for early breast cancer
Came in · now Recruiting
Drug B with hormone therapy in advanced breast cancer
Changed
· Sites: 4 added, including Seoul and Busan
· Enrollment: 300 → 450 participants
Exercise during chemotherapy
Now Active, not recruiting
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Approvals
The first approval found in each region, with its record
- United States
- Not in FDA's approval records
- European Union
- Not in EMA's list of EU-wide authorisations
From FDA's Drugs@FDA and Purple Book (through openFDA) and the European Medicines Agency, files of Sept 2026 and 27 Oct 2026. National approvals in Europe and other countries are not included. How this is worked out
How studies write it
Studies that test it under each name
Studies by the year they started
5 studies that test it; most in 2025 (3)
| Year | Studies |
|---|---|
| 2022 | 1 |
| 2025 | 3 |
| 2026 | 1 |
By phase
A phase 1/2 study counts in both.
What it is tested for
Each study’s main condition, where its own words name it, so a study counts once.
Who runs them
Industry 5 · Other 0
Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA) (3) · Cidara Therapeutics Inc. (1) · Merck Sharp & Dohme LLC (1)
Coming up
From the study records. Dates are the sponsors’ own estimates and often move.
Reaching primary completion within a year · 4, 1 in phase 3
Studies that test MK-1406, phase 3 first.
- Jun 2027A Study to Evaluate the Safety and Efficacy of MK-1406/CD388 for Prevention of Influenza (MK-1406-005/CD388.SQ.3.06)Phase 3 · Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
- Dec 2026A Trial to Evaluate the Effect of CD388/MK1406 on the Immunogenicity of Fluzone® HD Vaccine (CD388.SQ.1.08/MK-1406-007)Phase 1 · Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
- Feb 2027A Clinical Trial of MK-1406 in Healthy Participants (MK-1406-008)Phase 1 · Merck Sharp & Dohme LLC
- Jul 2027A Study of Annual Doses of MK-1406/CD388 in Healthy Adults (MK-1406-006/CD388.SQ.2.07)Phase 2 · Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Studies
Open first, then newest update. How each study uses MK-1406 is read from its arms, and is right about nine times in ten. Ask us to read each study. These are the studies that list it as an intervention; a search of ClinicalTrials.gov also finds studies that mention it only in a description, such as earlier treatment.
Testing it · 5
- A Study to Evaluate the Safety and Efficacy of MK-1406/CD388 for Prevention of Influenza (MK-1406-005/CD388.SQ.3.06)RecruitingPhase 3Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)NCT07159763Written as MK-1406
- A Trial to Evaluate the Effect of CD388/MK1406 on the Immunogenicity of Fluzone® HD Vaccine (CD388.SQ.1.08/MK-1406-007)RecruitingPhase 1Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)NCT07300085Written as MK-1406 Injection
- A Clinical Trial of MK-1406 in Healthy Participants (MK-1406-008)RecruitingPhase 1Merck Sharp & Dohme LLCNCT07743151Written as MK-1406
- A Study of Annual Doses of MK-1406/CD388 in Healthy Adults (MK-1406-006/CD388.SQ.2.07)Active, not recruitingPhase 2Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)NCT07225959Written as MK-1406 Injection
- The Effectiveness of CD388 to Prevent Flu in an Influenza Challenge Model in Healthy AdultsCompletedPhase 2Cidara Therapeutics Inc.NCT05523089Written as CD388