Effectiveness of Cannabis in the Treatment of Tinnitus Patients

Phase 1 Study to Study the Efficacy and Safety of Cannabis in the Treatment of Tinnitus

Status

Withdrawn

Phases

Phase 1

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01969474

Enrollment

Registered

2013-10-25

Start date

2013-12-31

Completion date

Unknown

Last updated

2016-12-28

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

Conditions

Tinnitus

Keywords

Tinnitus Cannabis

Brief summary

The hypothesis of the study is that the use of Cannabis will attenuate the tinnitus level as experienced by the patients.

Interventions

DRUGCannabis

Cannabis capsules given once daily for a month

DRUGPlacebo

Placebo

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender

ALL

Age

30 Years to No maximum

Healthy volunteers

Inclusion criteria

* Tinnitus lasting more than 3 months * Tinnitus Handicap Inventory score over 58 * Treated previously for tinnitus (2 modalities)

Exclusion criteria

* Prior use of drugs * Current use of Cannabis * Neurologic or Psychiatric disease * Heart Failure * Ischemic Heart Disease * Immune Deficiency * Acoustic Neuroma

Design outcomes

Primary

Measure	Time frame	Description
Tinnitus handicap inventory score	2 months	Patients will be monitored during a month (treatment time) and a month later

Countries

Israel

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026