Trial Outcomes & Findings for Baclofen Effects on Marijuana Dependence (NCT NCT02011516)

NCT ID: NCT02011516

Last Updated: 2017-06-14

Results Overview

Change from positive to negative over the 12 weeks of a medication regimen

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

47 participants

Primary outcome timeframe

study weeks 1-12

Results posted on

2017-06-14

Participant Flow

Recruitment Timeframe: 12/2013-10/2014 Potential subjects were recruited via word of mouth, flyers, craigslist and targeted Facebook ads 47 potential subjects were enrolled (consented), 41 were screened, 22 passed screening, 21 baseline scan, 16 randomized, 13 treatment scan, 8 post-tx scan, 10 completed.

All enrolled participants, those that consented to study procedures, participated in a screening process that consisted of a physical and psychological evaluation. Those participants that did not meet our specific inclusion criteria, and/or those that met our exclusion criteria, were not assigned to groups. These individuals were given referrals.

Participant milestones

Participant milestones
Measure
Sugar Pill, Psychosocial Intervention
twice weekly appointments with a certified clinician Psychosocial Placebo
Baclofen, Psychosocial Intervention
20 mg. q.i.d. twice weekly appointments with a certified clinician Baclofen Psychosocial
Overall Study
STARTED
8
8
Overall Study
COMPLETED
4
6
Overall Study
NOT COMPLETED
4
2

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Baclofen Effects on Marijuana Dependence

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Sugar Pill, Psychosocial Intervention
n=8 Participants
twice weekly appointments with a certified clinician Psychosocial Placebo
Baclofen, Psychosocial Intervention
n=8 Participants
20 mg. q.i.d. twice weekly appointments with a certified clinician Baclofen Psychosocial
Total
n=16 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
8 Participants
n=5 Participants
8 Participants
n=7 Participants
16 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Sex: Female, Male
Female
4 Participants
n=5 Participants
3 Participants
n=7 Participants
7 Participants
n=5 Participants
Sex: Female, Male
Male
4 Participants
n=5 Participants
5 Participants
n=7 Participants
9 Participants
n=5 Participants
Region of Enrollment
United States
8 participants
n=5 Participants
8 participants
n=7 Participants
16 participants
n=5 Participants

PRIMARY outcome

Timeframe: study weeks 1-12

Change from positive to negative over the 12 weeks of a medication regimen

Outcome measures

Outcome measures
Measure
Sugar Pill, Psychosocial Intervention
n=8 Participants
twice weekly appointments with a certified clinician Psychosocial Placebo
Baclofen, Psychosocial Intervention
n=8 Participants
20 mg. q.i.d. twice weekly appointments with a certified clinician Baclofen Psychosocial
Urine Drug Screen
0 Participants
0 Participants

Adverse Events

Sugar Pill, Psychosocial Intervention

Serious events: 0 serious events
Other events: 4 other events
Deaths: 0 deaths

Baclofen, Psychosocial Intervention

Serious events: 0 serious events
Other events: 4 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Sugar Pill, Psychosocial Intervention
n=8 participants at risk
twice weekly appointments with a certified clinician Psychosocial Placebo
Baclofen, Psychosocial Intervention
n=8 participants at risk
20 mg. q.i.d. twice weekly appointments with a certified clinician Baclofen Psychosocial
General disorders
Headache
37.5%
3/8 • study weeks 1-12
0.00%
0/8 • study weeks 1-12
Nervous system disorders
Drowsy/Sluggish
37.5%
3/8 • study weeks 1-12
12.5%
1/8 • study weeks 1-12
Gastrointestinal disorders
Constipation
12.5%
1/8 • study weeks 1-12
0.00%
0/8 • study weeks 1-12
Gastrointestinal disorders
Diarrhea
12.5%
1/8 • study weeks 1-12
0.00%
0/8 • study weeks 1-12
Gastrointestinal disorders
Flatulence
12.5%
1/8 • study weeks 1-12
0.00%
0/8 • study weeks 1-12
Gastrointestinal disorders
Nausea
12.5%
1/8 • study weeks 1-12
0.00%
0/8 • study weeks 1-12
General disorders
Dry Mouth
12.5%
1/8 • study weeks 1-12
0.00%
0/8 • study weeks 1-12
Nervous system disorders
Slowed Cognition
12.5%
1/8 • study weeks 1-12
0.00%
0/8 • study weeks 1-12
Nervous system disorders
"High" Feeling
12.5%
1/8 • study weeks 1-12
0.00%
0/8 • study weeks 1-12
Gastrointestinal disorders
Metallic Taste
12.5%
1/8 • study weeks 1-12
0.00%
0/8 • study weeks 1-12
Gastrointestinal disorders
Abdominal Cramping
0.00%
0/8 • study weeks 1-12
12.5%
1/8 • study weeks 1-12
Gastrointestinal disorders
Increase in Bowel Movements
0.00%
0/8 • study weeks 1-12
12.5%
1/8 • study weeks 1-12
Metabolism and nutrition disorders
Unintended Weight Loss
0.00%
0/8 • study weeks 1-12
12.5%
1/8 • study weeks 1-12

Additional Information

Teresa R. Franklin, Ph.D., Research Associate Professor of Neuroscience in Psychiatry

University of Pennsylvania

Phone: 215-222-3200

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place