Sponsor or institution
Clinical trials and research at Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
As of November 12, 2026, Find a Trial lists 2 clinical trials run by Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA) that are recruiting, at sites in 6 countries (most in United States (2), Argentina (1), Australia (1)). By phase: Phase 1 (1), Phase 3 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 2Clinical trials
- 6Countries
All recruiting trials (2)
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MK-1406 with Fluzone High-Dose vaccine in healthy adults
This early study tests whether MK-1406 can be safely given with Fluzone HD and whether it changes the vaccine’s immune response in healthy adults 18–49.
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Protective shot against flu: MK-1406 (CD388) given as a one-time dose to teens and adults at higher risk
This study tests whether a single dose of MK-1406 (CD388) can help prevent influenza in people who are more likely to get seriously ill, compared with a placebo.
Quick answers
How many clinical trials run by Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA) are recruiting right now?
2, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 6 countries. The most sites are in United States (2 trials), Argentina (1 trial), Australia (1 trial), Japan (1 trial), South Africa (1 trial). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 1: 1, Phase 3: 1. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.