DrugEvidence

Diseases / Osteoporosis

Osteoporosis

Disease

Osteoporosis is a systemic skeletal disease characterized by low bone mass and microarchitectural deterioration, leading to increased bone fragility and fracture risk.

Trials
1549
Recruiting
100
Completed
1023
With results
243

Last revised

Pipeline

Phase by status

PhaseRecruitingNot yetBy invitationActiveCompletedTerminatedWithdrawnSuspendedUnknownTotal
Early Phase 1 61 7
Phase 1 1312743310 97
Phase 1/2 9223 16
Phase 2 41129910511 133
Phase 2/3 10113 15
Phase 3 115012511 179
Phase 4 125181067522 166
Not applicable 43181193131814358 487
Unknown 4014612256138199 449

Trials started per year

2021
19
2022
52
2023
76
2024
68
2025
58
2026
50
2027
2

Conditions studied, by phase

ConditionEarly Phase 1Phase 1Phase 1/2Phase 2Phase 2/3Phase 3Phase 4Not applicableUnknownTotal
Osteoporosis 7971613315179166487449 1549
Bone Diseases, Metabolic 9534540348951 267
Osteoporosis, Postmenopausal 110113124183621 125
Fractures, Bone 37111143747 120
Sarcopenia 12313323 63
Motor Activity 156426 60
Osteoporotic Fractures 3561620 50
Diabetes Mellitus 13321624 49
Hip Fractures 21322219 49
Breast Neoplasms 13136148 45

Most active sponsors

#SponsorTrialsPhase 3
1Amgen3217
2National Taiwan University Hospital320
3Eli Lilly and Company238
4Merck Sharp & Dohme LLC216
5GlaxoSmithKline190
6Novartis Pharmaceuticals1913
7Massachusetts General Hospital162
8University of Aarhus150
9University of Alabama at Birmingham140
10Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)121

Most studied interventions

#InterventionTrials
1Alendronate89
2Denosumab79
3Teriparatide79
4Zoledronic Acid78
5Cholecalciferol57
6Calcium53
7Vitamin D53
8Risedronic Acid44
9Exercise36
10Absorptiometry, Photon34

Evidence

Results reported
23.8%243 of 1023 completed
Published
14%143 of 1023 completed
Primary endpoint met
57.9%132 of 228 analyses
Median months to report
19

Documents disclosed

Protocol available
81
Statistical analysis plan
75
PubMed citations
423

Trial profile

Median enrollment
100
Median duration
31months
Countries
73
Study sites
5264

Who is enrolled

Adults
1381
Children
231
Older adults
1329
Healthy volunteers
515

Median enrollment by phase

Early Phase 1
31
Phase 1
45
Phase 1/2
43
Phase 2
91
Phase 2/3
80
Phase 3
205
Phase 4
73
Not applicable
75
Unknown
150

Where trials run

United States
473
Canada
119
France
96
Denmark
81
China
69
Turkey (Türkiye)
61
Italy
56
Taiwan
56
United Kingdom
55
Germany
53

Busiest cities

#CityCountryTrials
1BostonUnited States60
2New YorkUnited States46
3ChicagoUnited States44
4PittsburghUnited States43
5OmahaUnited States42
6GainesvilleUnited States38
7BethesdaUnited States35
8TaipeiTaiwan35
9TorontoCanada35
10BirminghamUnited States33

Terminations

Terminated
66
Withdrawn
43
Suspended
4
Stopped for recruitment
1.5%24 of 1549 trials

Stated reasons

Other / unclear
57
Recruitment
24
COVID-19
13
Funding
12
Regulatory
4
Business decision
2
Lack of efficacy
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
NCT05060380 Withdrawn Withdrawn The study was never started. 2028-12-01
NCT06504966 Withdrawn Withdrawn Business decision not to proceed with the study. 2027-10-31
NCT06562374 Suspended Suspended Suspended by IRB 2027-02-28
NCT07148479 Withdrawn Withdrawn Unavailability of patients and other resources to the researchers 2026-07-31
NCT05998863 Withdrawn Withdrawn No enrollment due to COVID 2026-06-25
NCT05303350 Withdrawn Withdrawn logistic difficulties 2025-07-31
NCT04757714 Withdrawn Withdrawn The site is no more able to conduct the study 2025-06-30
NCT05152381 Withdrawn Withdrawn Difficulty Recruiting Participants 2025-04-04
NCT04231682 Withdrawn Withdrawn Grant support was withdrawn from Amgen Pharmaceuticals 2025-01-01
NCT03217513 Withdrawn Withdrawn never started 2024-12-31

Trial records