Skip to content

Effect of cannabidiol in the treatment of crack dependence

Study of the feasibility, safety and short-term results of the therapeutic use of cannabidiol (CBD) in the treatment of cocaine dependence in the form of crack

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
REBEC
Registry ID
RBR-4stgs8
Enrollment
Unknown
Registered
2019-06-07
Start date
2019-08-05
Completion date
Unknown
Last updated
2025-10-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Mental and behavioral disorders due to crack use - dependency

Interventions

Experimental group: 30 people with crack dependence will receive cannabidiol oil (CBD
50 mg / mL) - with oral daily dose of 600 mg, being 200 mg in the first and last week). Control group: 30 people with crack dependence will receive placebo oil (in equal quantity) and conventional tre

Sponsors

Universidade de Brasília, Faculdade de Ceilândia (UNB/FCE)
Lead Sponsor
Universidade de Brasília, Faculdade de Ceilândia (UNB/FCE)
Collaborator

Eligibility

Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Volunteers of both sexes; age between 18 and 65 years; on regular crack use in the last year on a daily basis or at least 20 times in the last 30 days; under treatment at the Center for Psychosocial Care alcohol and drugs (CAPS AD) of Ceilândia or indicated by persons under treatment in this service.

Exclusion criteria

Exclusion criteria: Presence of severe psychiatric comorbidities that impair the viability or safety of the study intervention; use of other medications directed to the treatment of severe or unstable chronic conditions (such as renal, cardiac, hepatic or neurological disease) and / or psychiatric comorbidities; hypersensitivity to cannabinoids or any of the excipients of the investigational medicinal products; pregnant or lactating women.

Design outcomes

Primary

MeasureTime frame
Feasibility of treatment expressed by adherence and compliance of steps by participants during the study period, and safety by the absence or mild manifestation of adverse effects.;Feasibility of treatment expressed by adherence and compliance of steps by participants during the study period, and safety by the absence or mild manifestation of adverse effects.

Secondary

MeasureTime frame
Reduction in the use of other drugs (in the case of polyusers) and in the mental and physical or behavioral health standard, evaluated by standardized questionnaires every 4 weeks (T0, T1 and T2);Maintenance of the effects obtained during the study after the end of the intervention (T3)

Countries

Brazil

Contacts

Public ContactAndrea Gallassi

Universidade de Brasília, Faculdade de Ceilândia (UNB/FCE)

andrea.gallassi@gmail.com+5561981892484

Outcome results

None listed

Source: REBEC (via WHO ICTRP) · Data processed: Feb 6, 2026