Condition

Probiotics clinical trials and research

• 7Clinical trials
• 1New in 30 days
• 5Countries

Newest Probiotics clinical trials

All recruiting trials (7)

• Probiotics vs Antibiotics as an add-on to non-surgical periodontal care in adult smokers with stage II, grade B periodontitis

  This study tests whether systemic probiotics or systemic antibiotics added to standard non-surgical periodontal treatment help improve gum health in adult smokers with stage II, grade B periodontitis.

  Recruiting October 6 University · Cairo · NCT07923695

• Clostridium butyricum for anxiety and depression in functional dyspepsia

  This trial will test whether taking the probiotic Clostridium butyricum for four weeks can reduce anxiety and depression symptoms in adults with functional dyspepsia.

  Recruiting Phase 4 Xijing Hospital of Digestive Diseases · Xi’an, Shanxi · NCT07182890

• Oral Clostridium butyricum to prevent colorectal adenoma recurrence after removal

  This study tests whether a probiotic capsule containing Clostridium butyricum can reduce the chance of colorectal adenomas coming back after they are removed.

  Recruiting at 2 sites Phase 4 The Affiliated Hospital of Qingdao University · Qingdao, Shandong and 1 other locations · NCT07167342

• Coenzyme Q10 toothpaste with daily Limosilactobacillus reuteri probiotics to improve gum health during pregnancy

  For pregnant women with gum disease, this will try whether adding a CoQ10 toothpaste and daily L. reuteri probiotic to regular cleanings reduces plaque and gum bleeding.

  Recruiting University of Pavia · Pavia, Lombardy · NCT07029360

• How probiotics affect survival, treatment response, and gut microbiota during cancer therapy

  This test will see if taking a probiotic supplement during cancer treatment helps adults with cancer live longer, respond better to therapy, or have healthier gut bacteria.

  Recruiting Chang Gung Memorial Hospital · New Taipei City · NCT06998823

• Probiotics for treating endometriosis

  This study is testing whether taking specific probiotics can help improve gut health and quality of life for people with endometriosis.

  Recruiting The Gut Microbiome Center (Centar za crijevni mikrobiom) · Zagreb · NCT06929364

• Using probiotics with immunotherapy for advanced bladder cancer

  This study is testing if adding a probiotics treatment to immunotherapy can help people with advanced bladder cancer do better after previous treatments.

  Recruiting Phase 2 Sun Yat-sen University · Guangzhou, Guangdong and 2 other locations · NCT06904573

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Quick answers

How many Probiotics clinical trials are recruiting right now?

7, as of November 12, 2026. 1 of them was first registered in the last 30 days. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 5 countries. The most sites are in China (3 trials), Croatia (1 trial), Taiwan (1 trial), Italy (1 trial), Egypt (1 trial). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 4: 2, Phase 2: 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.

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