DrugEvidence

Drugs / Vancomycin

Vancomycin

Drug

Vancomycin is a glycopeptide antibacterial agent; in this oral Vancocin label it is indicated for Clostridioides difficile-associated diarrhea and staphylococcal enterocolitis, with explicit limitation that oral dosing is not effective for other infection types. U.S. initial approval in this oral capsule label is 1986.

Trials
368
Recruiting
39
Completed
181
With results
127

Last revised

Pipeline

Phase by status

PhaseRecruitingNot yetBy invitationActiveCompletedTerminatedWithdrawnSuspendedUnknownNo longer availableTotal
Early Phase 1 11321 8
Phase 1 51115124 29
Phase 1/2 4311 9
Phase 2 7514331516 72
Phase 2/3 22314 12
Phase 3 6214610313 72
Phase 4 9524418313 94
Not applicable 53215216 52
Unknown 14141 20

Trials started per year

2021
6
2022
16
2023
16
2024
21
2025
13
2026
15
2027
2

Conditions studied, by phase

ConditionEarly Phase 1Phase 1Phase 1/2Phase 2Phase 2/3Phase 3Phase 4Not applicableUnknownTotal
Clostridium Infections 318517116 51
Infections 1221011112 39
Surgical Wound Infection 11161152 27
Staphylococcal Infections 38512 19
Cellulitis 21231 18
Bacteremia 51431 14
Diarrhea 3173 14
Bacterial Infections 1291 13
Cholangitis, Sclerosing 14311111 13
Sepsis 122152 13

Most active sponsors

#SponsorTrialsPhase 3
1Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)124
2Pfizer115
3Cumberland Pharmaceuticals85
4Mayo Clinic62
5Assiut University50
6Forest Laboratories52
7Melinta Therapeutics, Inc.54
8Actelion43
9Arizona State University40
10Hamilton Health Sciences Corporation41

Most studied interventions

#InterventionTrials
1Vancomycin368
2Daptomycin39
3Linezolid31
4Cefazolin30
5Fecal Microbiota Transplantation23
6Metronidazole22
7Ciprofloxacin18
8Gentamicins17
9Fidaxomicin16
10Oxacillin16

Evidence

Results reported
70.2%127 of 181 completed
Published
16.6%30 of 181 completed
Primary endpoint met
44.4%12 of 27 analyses
Median months to report
15

Documents disclosed

Protocol available
64
Statistical analysis plan
61
PubMed citations
111

Trial profile

Median enrollment
80
Median duration
27months
Countries
66
Study sites
2773

Who is enrolled

Adults
349
Children
57
Older adults
311
Healthy volunteers
46

Median enrollment by phase

Early Phase 1
12
Phase 1
25
Phase 1/2
33
Phase 2
66
Phase 2/3
40
Phase 3
350
Phase 4
89
Not applicable
65
Unknown
165

Where trials run

United States
186
Canada
37
Spain
25
Italy
22
Germany
21
United Kingdom
19
France
18
Poland
17
Russia
15
Israel
14

Busiest cities

#CityCountryTrials
1HoustonUnited States28
2ColumbusUnited States24
3ChicagoUnited States22
4BarcelonaSpain19
5BostonUnited States19
6New YorkUnited States18
7BaltimoreUnited States17
8Los AngelesUnited States17
9MadridSpain17
10MinneapolisUnited States17

Terminations

Terminated
56
Withdrawn
13
Suspended
1
Stopped for recruitment
5.7%21 of 368 trials

Stated reasons

Other / unclear
28
Recruitment
21
Funding
8
Regulatory
5
COVID-19
4
Business decision
3
Safety
1

Reasons are grouped from the sponsor's own wording with a rule-based classifier; the original text is shown below.

Recently stopped

TrialStatusStated reasonStopped
NCT07221708 Withdrawn Withdrawn Recruitment for end-points deemed not feasible. 2027-12-31
NCT04401553 Withdrawn Withdrawn The study never initiated. 2026-08-31
NCT05370885 Terminated Terminated Following review of Part 1 study data, the Sponsor decided to terminate the study with immediate effect. Results indicated that VE202 was not superior to placebo on the primary or any of the secondary endpoints. No new safety concerns were observed. 2025-08-29
NCT03723551 Terminated Terminated This trial was concluded for strategic reasons. 2025-04-23
NCT03710122 Terminated Terminated Funding terminated 2025-03-20
NCT02285140 Terminated Terminated Funding received for eventual full trial, and data rolled over into full trial. Full trial registered under NCT06567808. 2025-03-10
NCT05977868 Terminated Terminated DSMB recommendation based on safety benefit in Experimental (oral) arm 2025-02-14
NCT05077085 Withdrawn Withdrawn Withdrawn 2024-12-31
NCT05156437 Terminated Terminated The study was stopped because all five participants were lost to follow-up before completing treatment or any assessments, leaving no outcome data available and making continuation of the trial infeasible. 2024-10-31
NCT04246151 Withdrawn Withdrawn No patients enrolled. Identification of patients in allocated timeframe was not feasible. 2024-09-12

Trial records