DrugEvidence

Drugs / Prednisone

Prednisone

Drug

Prednisone is a synthetic corticosteroid with potent anti-inflammatory and immunosuppressive effects used across many disease categories. The Rayos label includes broad uses spanning allergic, dermatologic, gastrointestinal, hematologic, ophthalmologic, pulmonary, renal, rheumatologic, infectious, endocrine, neoplastic, and transplant-related conditions. U.S. labeling shows initial approval in 1955.

Trials
1639
Recruiting
189
Completed
790
With results
519

Last revised

Pipeline

Phase by status

PhaseRecruitingNot yetBy invitationActiveCompletedTerminatedWithdrawnSuspendedUnknownApproved for marketingNo longer availableTotal
Early Phase 1 5112611 17
Phase 1 154177320716 143
Phase 1/2 20711360193111 135
Phase 2 71221483046627262 603
Phase 2/3 85110226119 63
Phase 3 3683361924212136 366
Phase 4 19102386189140 188
Not applicable 831389327 89
Unknown 719221112 35

Trials started per year

2021
19
2022
61
2023
67
2024
69
2025
62
2026
63

Conditions studied, by phase

ConditionEarly Phase 1Phase 1Phase 1/2Phase 2Phase 2/3Phase 3Phase 4Not applicableUnknownTotal
Prostatic Neoplasms 12529121556314 245
Lymphoma 131691544172 179
Lymphoma, Large B-Cell, Diffuse 2252280535161 177
Precursor Cell Lymphoblastic Leukemia-Lymphoma 10435422643 88
Lymphoma, Follicular 982613232 81
Lymphoma, Non-Hodgkin 101125122131 74
Burkitt Lymphoma 16532213 68
Multiple Myeloma 510261922 64
Leukemia 53273173 58
Hodgkin Disease 452412 45

Most active sponsors

#SponsorTrialsPhase 3
1National Cancer Institute (NCI)8317
2M.D. Anderson Cancer Center493
3Children's Oncology Group3420
4Janssen Research & Development, LLC3413
5Hoffmann-La Roche3013
6National Institute of Allergy and Infectious Diseases (NIAID)271
7Merck Sharp & Dohme LLC249
8SWOG Cancer Research Network249
9Sanofi2012
10Assistance Publique - Hôpitaux de Paris198

Most studied interventions

#InterventionTrials
1Prednisone1639
2Cyclophosphamide584
3Vincristine526
4Doxorubicin467
5Rituximab345
6Etoposide207
7Methotrexate174
8Dexamethasone159
9Cytarabine154
10Methylprednisolone147

Evidence

Results reported
65.7%519 of 790 completed
Published
25.7%203 of 790 completed
Primary endpoint met
37.7%90 of 239 analyses
Median months to report
14

Documents disclosed

Protocol available
261
Statistical analysis plan
256
PubMed citations
634

Trial profile

Median enrollment
71
Median duration
55.1months
Countries
90
Study sites
24547

Who is enrolled

Adults
1547
Children
328
Older adults
1359
Healthy volunteers
65

Median enrollment by phase

Early Phase 1
20
Phase 1
25
Phase 1/2
49
Phase 2
53
Phase 2/3
126
Phase 3
267
Phase 4
80
Not applicable
74
Unknown
113

Where trials run

United States
910
China
296
Canada
219
France
210
Spain
193
Italy
191
Germany
171
United Kingdom
169
Australia
159
Belgium
121

Busiest cities

#CityCountryTrials
1New YorkUnited States276
2HoustonUnited States220
3BostonUnited States214
4ChicagoUnited States200
5SeattleUnited States174
6BaltimoreUnited States170
7Los AngelesUnited States170
8St LouisUnited States161
9BarcelonaSpain160
10PhiladelphiaUnited States159

Terminations

Terminated
183
Withdrawn
64
Suspended
7
Stopped for recruitment
4.7%77 of 1639 trials

Stated reasons

Other / unclear
97
Recruitment
77
Funding
30
Lack of efficacy
14
Regulatory
12
Safety
10
Business decision
8
COVID-19
6

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

Recently stopped

TrialStatusStated reasonStopped
NCT05934097 Withdrawn Withdrawn This study was withdrawn (Sponsor decision). 2039-05-31
NCT06692452 Withdrawn Withdrawn Ipsen requested a temporary closure due to a safety concern. 2032-10-01
NCT06952686 Withdrawn Withdrawn Study was Withdrawn per Sponsor decision. 2032-03-30
NCT06313996 Withdrawn Withdrawn Replaced with another clinical trial. 2031-10-16
NCT06392841 Withdrawn Withdrawn Funder withdrew funding. 2029-01-31
NCT06329830 Withdrawn Withdrawn Funding for the study was withdrawn. 2028-10-31
NCT04415476 Withdrawn Withdrawn Study did not proceed to IRB approval. 2028-06-30
NCT06527690 Withdrawn Withdrawn The study aimed to include multiple countries in Latin America, but only Brazil was feasible, making the intended ethnic and racial design unviable. Activities were closed and no sites were opened for recruitment. 2028-02-28
NCT05279300 Suspended Suspended The sponsor is temporarily pausing the trial to evaluate existing clinical data for long-term benefit-risk and optimize doses and dosing schedule. 2027-12-31
NCT04974996 Withdrawn Withdrawn Decision to not proceed with study. 2027-05-05

Trial records