DrugEvidence

Drugs / Epinephrine

Epinephrine

Drug

Epinephrine (adrenaline) is an adrenergic agonist medication used for emergency and acute conditions including anaphylaxis, cardiac arrest, severe asthma/croup settings, and superficial bleeding. It can be administered by multiple routes including intramuscular and intravenous routes, and intranasal formulations are also approved. It is prescription-only in major regions.

Trials
469
Recruiting
33
Completed
285
With results
110

Last revised

Pipeline

Phase by status

PhaseRecruitingNot yetBy invitationActiveCompletedTerminatedWithdrawnSuspendedUnknownTotal
Early Phase 1 112411 10
Phase 1 11622 21
Phase 1/2 1110212 17
Phase 2 4412876 50
Phase 2/3 317113 16
Phase 3 421122124 37
Phase 4 15529912821 162
Not applicable 5613946529 149
Unknown 52 7

Trials started per year

2021
3
2022
26
2023
36
2024
23
2025
27
2026
20
2027
1

Conditions studied, by phase

ConditionEarly Phase 1Phase 1Phase 1/2Phase 2Phase 2/3Phase 3Phase 4Not applicableUnknownTotal
Pain, Postoperative 121113325201 67
Pain 1251517111 43
Agnosia 215161171 34
Heart Arrest 131323 13
Osteoarthritis, Knee 1174 13
Anaphylaxis 42131 11
Hemorrhage 11225 11
Osteoarthritis 1253 11
Hypotension 1225 10
Bronchiolitis 1134 9

Most active sponsors

#SponsorTrialsPhase 3
1Assiut University82
2Amphastar Pharmaceuticals, Inc.72
3Cairo University72
4Wake Forest University Health Sciences72
5Chinese University of Hong Kong52
6Mayo Clinic50
7Pacira Pharmaceuticals, Inc52
8Seoul National University Hospital51
9Indiana University40
10Nasus Pharma41

Most studied interventions

#InterventionTrials
1Epinephrine469
2Bupivacaine101
3Lidocaine94
4Ropivacaine66
5Saline Solution41
6Sodium Chloride41
7Ketorolac34
8Carticaine33
9Dexamethasone32
10Morphine26

Evidence

Results reported
38.6%110 of 285 completed
Published
15.1%43 of 285 completed
Primary endpoint met
25%17 of 68 analyses
Median months to report
15

Documents disclosed

Protocol available
66
Statistical analysis plan
64
PubMed citations
184

Trial profile

Median enrollment
70
Median duration
16months
Countries
57
Study sites
682

Who is enrolled

Adults
424
Children
92
Older adults
330
Healthy volunteers
154

Median enrollment by phase

Early Phase 1
66
Phase 1
36
Phase 1/2
34
Phase 2
77
Phase 2/3
100
Phase 3
106
Phase 4
69
Not applicable
70
Unknown
160

Where trials run

United States
162
Egypt
31
Canada
30
South Korea
16
Turkey (Türkiye)
14
Pakistan
13
China
11
France
11
Brazil
10
Denmark
10

Busiest cities

#CityCountryTrials
1CairoEgypt16
2New YorkUnited States12
3HoustonUnited States11
4SeoulSouth Korea9
5TorontoCanada9
6ColumbusUnited States7
7AsyutEgypt6
8BaltimoreUnited States6
9BostonUnited States6
10MontrealCanada6

Terminations

Terminated
31
Withdrawn
17
Suspended
1
Stopped for recruitment
2.6%12 of 469 trials

Stated reasons

Other / unclear
30
Recruitment
12
Regulatory
2
Safety
2
Business decision
1
COVID-19
1
Funding
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
NCT06447194 Withdrawn Withdrawn Study was not feasible due to logistical and implementation challenges. No participants were enrolled and the study will not proceed further. 2027-04-01
NCT06264596 Withdrawn Withdrawn Study never started. PI is leaving institution. 2026-08-31
NCT04635176 Terminated Terminated The study has been stopped due to logistical reasons at the clinical site. 2026-05-27
NCT05972681 Terminated Terminated Difficulty with enrollment 2025-10-19
NCT05327556 Terminated Terminated Funding constraints 2025-05-16
NCT05355597 Terminated Terminated Physician left institution 2025-03-24
NCT06047366 Terminated Terminated Student PI is preparing for graduation and cannot complete the study as planned. 2024-05-15
NCT05260008 Terminated Terminated Based on positive data from the dose-ranging portion of the study, Sponsor decided as of May 28, 2024 not to move forward with the previously designed global ATX101-TKA-003 study. 2024-01-15
NCT04814433 Terminated Terminated Both lack of enrollment as well as study staff turnover 2023-07-10
NCT04148261 Withdrawn Withdrawn Principal Investigator left lab before study start 2022-12-31

Trial records