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Problem Behavior clinical trials

The registry lists 178 studies for Problem Behavior across more than 10 countries. 47 are recruiting or about to start. 104 of them are mainly about Problem Behavior (how this is decided). Per ClinicalTrials.gov, last updated 2026-11-06.

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Example · made-up studies

Breast cancer · Recruiting: 2 came in, 3 changed

What changed in your saved searches, Oct 31 – Nov 6:

A study of drug A after surgery for early breast cancer

Came in · now Recruiting

Drug B with hormone therapy in advanced breast cancer

Changed

· Sites: 4 added, including Seoul and Busan

· Enrollment: 300 → 450 participants

Exercise during chemotherapy

Now Active, not recruiting

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Status

Completed
100
Recruiting
36
Status unknown
14
Not yet recruiting
10
Active, not recruiting
9
Terminated
8

Phase

Phase 2
6
Phase 3
4
Phase 4
2
Early Phase 1
2
Phase 1
2

Where

United States
92
Sweden
12
Pakistan
8
Canada
6
Netherlands
5
Denmark
5

Who runs them

Karolinska Institutet (7) · Yale University (6) · Rutgers, The State University of New Jersey (4) · Accare (4) · New York University (3) · Vanderbilt University (3) · Johns Hopkins Bloomberg School of Public Health (3) · Wayne State University (3)

What is being tested here

Drugs under test in Problem Behavior studies, those with the most open studies first. Medicines only given beside them are not counted. How drugs are counted

DrugOpenPhase 3All
Propranolol101
Pitolisant111
Aripiprazole023
Prazosin001
Medical Marijuana001

Coming up

1phase 3 study under way
20studies finish main data collection within a year1 of them phase 3

Studies recruiting or running, from their records. “Main data collection” ends at the primary completion date, the sponsor’s own estimate, which often moves.

The 10 nearest, phase 3 first

Who these studies take

Of the 36 Problem Behavior studies recruiting now, 9 (25%) set no upper age limit and 26 (72%) stop at 75 or younger. 28 (78%) take children under 18. 2 (6%) are for women only and 0 (0%) for men only; 18 (50%) take healthy volunteers.

Recruiting studies that take each age, of 36
AgeWomenMen
1017 (47%)17 (47%)
1814 (39%)14 (39%)
3014 (39%)12 (33%)
4014 (39%)12 (33%)
5014 (39%)12 (33%)
6511 (31%)11 (31%)
7510 (28%)10 (28%)
8510 (28%)10 (28%)

Across all 178 studies, recruiting or not: 70% stop at 75 or younger and 69% at 65; 81% take children; 2% are for women only and 2% for men only; 45% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

How long Problem Behavior studies take

Of 112 interventional studies with no phase under Problem Behavior, half reached primary completion within 24 months of starting, counting those still running.

Start to primary completionEvery sponsorIndustryNon-industry
Interventional, no phase24 mo13–51 · 112 studies—24 mo13–51 · 111 studies

Each figure is the month by which half the studies had reached primary completion, with the range in which the middle half did. Studies still running count until their last registry update; studies that stopped early are left out. Phase 1 includes early phase 1; observational means prospective or not stated, as retrospective and cross-sectional studies date a window of data rather than a study. How these figures are worked out

What changed recently

From the registry's own updates since Oct 11, 2026.

Started recruiting1

Newly registered2

Studies

Recruiting first, then most recently updated. Showing 50 of 178. Browse all 178 → or search them.