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Probiotic Intervention clinical trials and research
As of November 12, 2026, Find a Trial lists 6 Probiotic Intervention clinical trials that are recruiting, at sites in 3 countries (most in China (4), Canada (1), Taiwan (1)). By phase: Phase 2 (2), Phase 2/3 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 6Clinical trials
- 3Countries
Newest Probiotic Intervention clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Sertraline with multi-strain probiotics for adolescents with depression | Phase 2 | Chongqing, Yuzhong | Recruiting | Jun 12, 2026 |
| Sertraline plus a probiotic (Lactobacillus crispatus) for teens with depression | Phase 2 | Longgang, Chongqing Municipality and 1 other locations | Recruiting | Apr 20, 2026 |
| Probiotic effects on safety, palatability, and B vitamin levels in reproductive-aged women | — | Ottawa, Ontario | Recruiting | Apr 6, 2026 |
| Probiotic 6600 as an add-on treatment for ulcerative colitis, Crohn's disease, and colitis | Phase 2/3 | Shanghai | Recruiting | Jul 2, 2025 |
| Probiotic or semaglutide plus diet to reduce body weight | — | Hangzhou, Zhejiang | Recruiting | May 25, 2025 |
| Probiotics for improving pulmonary rehabilitation in COPD patients | — | New Taipei City | Recruiting | Dec 5, 2024 |
All recruiting trials (6)
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Sertraline with multi-strain probiotics for adolescents with depression
This study tests whether adding multi-strain probiotics to sertraline helps teens (ages 12–18) with major depressive disorder feel better than sertraline with a placebo.
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Sertraline plus a probiotic (Lactobacillus crispatus) for teens with depression
This study tests whether adding Lactobacillus crispatus to sertraline helps reduce depressive symptoms in adolescents with major depressive disorder.
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Probiotic effects on safety, palatability, and B vitamin levels in reproductive-aged women
This pilot tests whether taking a daily probiotic for 4 weeks changes blood levels of folate, vitamin B12, and B6 in reproductive-aged women without vitamin deficiencies.
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Probiotic 6600 as an add-on treatment for ulcerative colitis, Crohn's disease, and colitis
This trial will test whether adding Probiotic 6600 to usual care helps adults with ulcerative colitis, Crohn's disease, or nonspecific colitis reach clinical remission over 24 weeks.
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Probiotic or semaglutide plus diet to reduce body weight
This project will test whether adding a probiotic (Lactobacillus paracasei LC-19) or semaglutide to a calorie-restricted diet helps overweight adults lose weight and improve blood sugar and lipid levels.
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Probiotics for improving pulmonary rehabilitation in COPD patients
This study is testing if taking probiotics can help people with COPD feel better and improve their results during pulmonary rehabilitation.
Related topics
Quick answers
How many Probiotic Intervention clinical trials are recruiting right now?
6, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 3 countries. The most sites are in China (4 trials), Canada (1 trial), Taiwan (1 trial). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 2: 2, Phase 2/3: 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.