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Clostridium Infections clinical trials

The registry lists 251 studies for Clostridium Infections across more than 10 countries. 51 are recruiting or about to start. 222 of them are mainly about Clostridium Infections (how this is decided). Per ClinicalTrials.gov, last updated 2026-11-10. Counting its 3 narrower conditions too, such as Tetanus: 621 studies, 85 open.

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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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Status

Completed
130
Recruiting
36
Terminated
30
Status unknown
22
Not yet recruiting
14
Withdrawn
12

Phase

Phase 2
58
Phase 3
47
Phase 1
35
Phase 4
22
Early Phase 1
4

Where

United States
121
Canada
48
United Kingdom
17
France
17
Spain
16
Germany
15

Who runs them

University of Wisconsin, Madison (5) · Mayo Clinic (5) · Brigham and Women's Hospital (5) · Actelion (5) · Summit Therapeutics (4) · AstraZeneca (4) · Medical College of Wisconsin (4) · Rebiotix Inc. (4)

What is being tested here

Drugs under test in Clostridium Infections studies, those with the most open studies first. Medicines only given beside them are not counted. How drugs are counted

DrugOpenPhase 3All
Vancomycin4519
Fidaxomicin2411
Xylitol202
Ombetoxabart103
Clostridia Strain Formulation VE303112
Ursodeoxycholic Acid102
Alanylglutamine102
Resistant Potato Starch101
Faecalibacterium prausnitzii-containing Bacterial Strain Formulation EXL01101
Fecal microbiota027

Drug classes tested here Proton pump inhibitors (PPIs) 3

Coming up

9phase 3 studies under way
15studies finish main data collection within a year3 of them phase 3

Studies recruiting or running, from their records. “Main data collection” ends at the primary completion date, the sponsor’s own estimate, which often moves.

The 10 nearest, phase 3 first

Who these studies take

Of the 36 Clostridium Infections studies recruiting now, 22 (61%) set no upper age limit and 8 (22%) stop at 75 or younger. 9 (25%) take children under 18. 0 (0%) are for women only and 0 (0%) for men only; 3 (8%) take healthy volunteers.

Recruiting studies that take each age, of 36
AgeWomenMen
105 (14%)5 (14%)
1833 (92%)33 (92%)
3033 (92%)33 (92%)
4033 (92%)33 (92%)
5032 (89%)32 (89%)
6532 (89%)32 (89%)
7531 (86%)31 (86%)
8528 (78%)28 (78%)

Across all 251 studies, recruiting or not: 14% stop at 75 or younger and 10% at 65; 18% take children; <1% are for women only and <1% for men only; 13% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

How long Clostridium Infections studies take

Of 23 phase 2 interventional studies under Clostridium Infections, half reached primary completion within 23 months of starting, counting those still running.

Start to primary completionEvery sponsorIndustryNon-industry
Phase 121 mo13–28 · 14 studies——
Phase 223 mo19–39 · 23 studies——
Phase 337 mo34–46 · 23 studies——
Interventional, no phase29 mo9–37 · 27 studies——
Observational31 mo22–… · 26 studies——

Each figure is the month by which half the studies had reached primary completion, with the range in which the middle half did. Studies still running count until their last registry update; studies that stopped early are left out. Phase 1 includes early phase 1; observational means prospective or not stated, as retrospective and cross-sectional studies date a window of data rather than a study. How these figures are worked out

What changed recently

From the registry's own updates since Oct 14, 2026.

Started recruiting3

Newly registered1

Studies

Recruiting first, then most recently updated. Showing 50 of 251. Browse all 251 → or search them.