DrugEvidence

Diseases / Osteoarthritis

Osteoarthritis

Disease

Osteoarthritis is a degenerative joint disease affecting cartilage, subchondral bone, and periarticular tissues, causing pain, stiffness, and functional limitation. It is a leading cause of disability in older adults.

Trials
2678
Recruiting
187
Completed
1585
With results
459

Last revised

Pipeline

Phase by status

PhaseRecruitingNot yetBy invitationActiveCompletedTerminatedWithdrawnSuspendedUnknownNo longer availableTotal
Early Phase 1 4217124 21
Phase 1 611753213 101
Phase 1/2 311383918 73
Phase 2 1424154221217 225
Phase 2/3 1122251412 48
Phase 3 841319428725 270
Phase 4 981314633928 237
Not applicable 944075867070335161 1138
Unknown 4824124327658222782 565

Trials started per year

2021
30
2022
117
2023
120
2024
94
2025
127
2026
101
2027
2
2050
1

Conditions studied, by phase

ConditionEarly Phase 1Phase 1Phase 1/2Phase 2Phase 2/3Phase 3Phase 4Not applicableUnknownTotal
Osteoarthritis 2110173225482702371138565 2678
Osteoarthritis, Knee 724387918803431988 687
Pain 16843648229630 260
Arthritis, Rheumatoid 4175172371107 235
Arthritis 51196221010143 207
Joint Diseases 123112885846 139
Osteonecrosis 123213265 124
Osteoarthritis, Hip 24721455627 117
Motor Activity 1236538211 113
Chronic Pain 461176318 73

Most active sponsors

#SponsorTrialsPhase 3
1Zimmer Biomet820
2Pfizer3019
3DePuy International292
4DePuy Orthopaedics290
5Smith & Nephew, Inc.290
6Istituto Ortopedico Rizzoli220
7University of Aarhus211
8Ottawa Hospital Research Institute190
9Pacira Pharmaceuticals, Inc194
10University of British Columbia190

Most studied interventions

#InterventionTrials
1Arthroplasty, Replacement, Knee58
2Sodium Chloride56
3Exercise55
4Saline Solution39
5Arthroplasty, Replacement, Hip38
6Hyaluronic Acid38
7Naproxen36
8Celecoxib29
9Adrenal Cortex Hormones24
10Acetaminophen19

Evidence

Results reported
29%459 of 1585 completed
Published
11.7%186 of 1585 completed
Primary endpoint met
40.6%174 of 429 analyses
Median months to report
19

Documents disclosed

Protocol available
245
Statistical analysis plan
231
PubMed citations
631

Trial profile

Median enrollment
84
Median duration
25months
Countries
88
Study sites
10158

Who is enrolled

Adults
2628
Children
202
Older adults
2555
Healthy volunteers
373

Median enrollment by phase

Early Phase 1
34
Phase 1
35
Phase 1/2
30
Phase 2
105
Phase 2/3
84
Phase 3
288
Phase 4
98
Not applicable
65
Unknown
100

Where trials run

United States
947
Canada
192
United Kingdom
163
Germany
121
France
114
Denmark
110
South Korea
97
Turkey (Türkiye)
92
Spain
86
Italy
79

Busiest cities

#CityCountryTrials
1ChicagoUnited States123
2New YorkUnited States105
3DuncansvilleUnited States98
4San AntonioUnited States88
5PhoenixUnited States79
6PhiladelphiaUnited States77
7TucsonUnited States77
8SeoulSouth Korea76
9MiamiUnited States74
10AustinUnited States72

Terminations

Terminated
219
Withdrawn
100
Suspended
7
Stopped for recruitment
2%54 of 2678 trials

Stated reasons

Other / unclear
184
Recruitment
54
Business decision
30
Funding
23
Regulatory
12
COVID-19
11
Lack of efficacy
7
Safety
5

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

Recently stopped

TrialStatusStated reasonStopped
NCT02217202 Withdrawn Withdrawn Funding withdrawn before ethical approval granted 2050-01-31
NCT05037734 Withdrawn Withdrawn Relaunch at later date with updated product. 2030-12-31
NCT07024654 Withdrawn Withdrawn unable to obtain IND approval from FDA 2029-06-30
NCT02507258 Withdrawn Withdrawn Sponsor decision to not renew CE mark on product. Therefore study not needed. 2028-12-31
NCT05454566 Withdrawn Withdrawn Sponsor decided not to proceed with this study in the US. 2028-11-15
NCT05515523 Withdrawn Withdrawn Lack of Funding 2027-11-30
NCT06901661 Suspended Suspended The project's subsidies have expired and there is a temporary lack of funding. 2026-12-31
NCT02583113 Withdrawn Withdrawn Alternate Research Pursued 2026-12-01
NCT05632783 Withdrawn Withdrawn Study canceled before starting 2026-07-31
NCT06744855 Terminated Terminated Not enough patients interested at the site 2026-05-23

Trial records