Trial Outcomes & Findings for Accelerated Development of Additive Pharmacotherapy Treatment for Methamphetamine Use Disorder (NCT NCT01982643)

NCT ID: NCT01982643

Last Updated: 2020-03-23

Results Overview

Study "Responders" were defined as participants providing six MA-negative urine tests of eight administered in the evaluation period (the last four weeks of the active medication phase), including the last test collected in the final study week of the active medication phase.

Recruitment status

COMPLETED

Study phase

PHASE1/PHASE2

Target enrollment

49 participants

Primary outcome timeframe

Weeks 4-8

Results posted on

2020-03-23

Participant Flow

Participant milestones

Participant milestones
Measure
Naltrexone Plus Bupropion
extended-release depot naltrexone (XR-NTX; as Vivitrol®)plus extended-release bupropion tablets (BRP; as Wellbutrin XL®) naltrexone plus bupropion: Participants will receive a monthly injection of extended-release depot naltrexone (XR-NTX; as Vivitrol®) plus once-daily bupropion extended-release tablets (BRP; as Wellbutrin XL®) for 8 weeks.
Overall Study
STARTED
49
Overall Study
COMPLETED
37
Overall Study
NOT COMPLETED
12

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Accelerated Development of Additive Pharmacotherapy Treatment for Methamphetamine Use Disorder

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Naltrexone Plus Bupropion
n=49 Participants
extended-release depot naltrexone (XR-NTX; as Vivitrol®)plus extended-release bupropion tablets (BRP; as Wellbutrin XL®) naltrexone plus bupropion: Participants will receive a monthly injection of extended-release depot naltrexone (XR-NTX; as Vivitrol®) plus once-daily bupropion extended-release tablets (BRP; as Wellbutrin XL®) for 8 weeks.
Age, Categorical
<=18 years
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
48 Participants
n=5 Participants
Age, Categorical
>=65 years
1 Participants
n=5 Participants
Age, Continuous
39.9 years
STANDARD_DEVIATION 10.76 • n=5 Participants
Sex: Female, Male
Female
23 Participants
n=5 Participants
Sex: Female, Male
Male
26 Participants
n=5 Participants
Region of Enrollment
United States
49 participants
n=5 Participants

PRIMARY outcome

Timeframe: Weeks 4-8

Study "Responders" were defined as participants providing six MA-negative urine tests of eight administered in the evaluation period (the last four weeks of the active medication phase), including the last test collected in the final study week of the active medication phase.

Outcome measures

Outcome measures
Measure
Naltrexone Plus Bupropion
n=49 Participants
extended-release depot naltrexone (XR-NTX; as Vivitrol®)plus extended-release bupropion tablets (BRP; as Wellbutrin XL®) naltrexone plus bupropion: Participants will receive a monthly injection of extended-release depot naltrexone (XR-NTX; as Vivitrol®) plus once-daily bupropion extended-release tablets (BRP; as Wellbutrin XL®) for 8 weeks.
Participants Categorized as "Responders"
11 Participants

Adverse Events

Naltrexone Plus Bupropion

Serious events: 2 serious events
Other events: 45 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Naltrexone Plus Bupropion
n=49 participants at risk
extended-release depot naltrexone (XR-NTX; as Vivitrol®)plus extended-release bupropion tablets (BRP; as Wellbutrin XL®) naltrexone plus bupropion: Participants will receive a monthly injection of extended-release depot naltrexone (XR-NTX; as Vivitrol®) plus once-daily bupropion extended-release tablets (BRP; as Wellbutrin XL®) for 8 weeks.
Surgical and medical procedures
Inpatient admission to hospital or prolongation of existing hospitalization
2.0%
1/49 • Number of events 1
Nervous system disorders
Seizure
2.0%
1/49 • Number of events 1

Other adverse events

Other adverse events
Measure
Naltrexone Plus Bupropion
n=49 participants at risk
extended-release depot naltrexone (XR-NTX; as Vivitrol®)plus extended-release bupropion tablets (BRP; as Wellbutrin XL®) naltrexone plus bupropion: Participants will receive a monthly injection of extended-release depot naltrexone (XR-NTX; as Vivitrol®) plus once-daily bupropion extended-release tablets (BRP; as Wellbutrin XL®) for 8 weeks.
Gastrointestinal disorders
Nausea
57.1%
28/49
Gastrointestinal disorders
Vomiting
22.4%
11/49
Gastrointestinal disorders
Dry mouth
10.2%
5/49
Nervous system disorders
Headache
28.6%
14/49
Nervous system disorders
Dizziness
6.1%
3/49
Nervous system disorders
Tremor
6.1%
3/49
Nervous system disorders
Somnolence
6.1%
3/49
Infections and infestations
Nasopharyngitis
10.2%
5/49
Infections and infestations
Gastroenteritis
10.2%
5/49
Infections and infestations
Upper respiratory tract infection
10.2%
5/49
Psychiatric disorders
Insomnia
12.2%
6/49
Psychiatric disorders
Anxiety
12.2%
6/49
Musculoskeletal and connective tissue disorders
Back pain
8.2%
4/49
Musculoskeletal and connective tissue disorders
Myalgia
6.1%
3/49
General disorders
Fatigue
8.2%
4/49
General disorders
Irritability
6.1%
3/49
Vascular disorders
Hyperthyrodism
10.2%
5/49
Skin and subcutaneous tissue disorders
Rash
8.2%
4/49
Respiratory, thoracic and mediastinal disorders
Couth
6.1%
3/49
Cardiac disorders
Tachycardia
12.2%
6/49
Eye disorders
Vision blurred
8.2%
4/49
Metabolism and nutrition disorders
Decreased appetitite
6.1%
3/49

Additional Information

Walter Ling, MD

UCLA Integrated Substance Abuse Programs

Phone: 310-267-5888

Results disclosure agreements

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