NCT04286594

Brief Summary

This open-label to double-blind study evaluates the impact of cannabidiol (CBD) on anxiety in adults. Participants will use a custom-formulated sublingual (under-the-tongue) solution of whole plant, hemp-derived CBD twice daily for six weeks in addition to their normal treatment regimen. Participants' clinical state will be assessed weekly during the treatment period. Quality of life, sleep, general health, and cognitive function will also be assessed.

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
15

participants targeted

Target at below P25 for phase_2 anxiety

Timeline
Completed

Started Feb 2021

Typical duration for phase_2 anxiety

Geographic Reach
1 country

1 active site

Status
terminated

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

February 25, 2020

Completed
2 days until next milestone

First Posted

Study publicly available on registry

February 27, 2020

Completed
11 months until next milestone

Study Start

First participant enrolled

February 1, 2021

Completed
2.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 24, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 24, 2023

Completed
1 year until next milestone

Results Posted

Study results publicly available

August 27, 2024

Completed
Last Updated

August 27, 2024

Status Verified

August 1, 2024

Enrollment Period

2.6 years

First QC Date

February 25, 2020

Results QC Date

August 1, 2024

Last Update Submit

August 23, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Self-Reported Anxiety as Assessed by the Beck Anxiety Inventory (BAI)

    The BAI is a 21-item self-report measure used to rate subjective, somatic, and panic-related symptoms of anxiety on a scale of 0 to 3, and will be given to participants on a weekly basis. The possible range of scores is 0-63.

    6 weeks

Study Arms (1)

CBD

EXPERIMENTAL

0.5ml of sublingual CBD solution (30mg/ml) administered twice daily for six weeks.

Drug: CBD

Interventions

CBDDRUG

Participants will receive CBD solution during the open-label phase of the trial.

CBD

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Subject has provided informed consent
  • Subject is 18 or older
  • Subject is a native English speaker or acquired English prior to age 5
  • Subject endorses moderate or severe anxiety at the screening visit

You may not qualify if:

  • Non-native English speakers
  • Estimated IQ \< 75
  • Current substance abuse/dependence, psychotic disorder, bipolar disorder, or an eating disorder
  • A history of head injury or loss of consciousness greater than 5 minutes
  • Currently uses marijuana or cannabinoid-based products more frequently than 1x/month
  • Female subjects will be excluded if they have a positive urine pregnancy test, or if they are currently breastfeeding
  • Presence of a serious medical illness, including liver or kidney disease, or neurological disorder
  • Allergy to coconut oil
  • Current use of valproate

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

McLean Hospital

Belmont, Massachusetts, 02478, United States

Location

MeSH Terms

Conditions

Anxiety Disorders

Condition Hierarchy (Ancestors)

Mental Disorders

Results Point of Contact

Title
Dr. Staci Gruber
Organization
McLean Hospital

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 2
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Director, Cognitive and Clinical Neuroimaging Core; Director, Marijuana Investigations for Neuroscientific Discovery

Study Record Dates

First Submitted

February 25, 2020

First Posted

February 27, 2020

Study Start

February 1, 2021

Primary Completion

August 24, 2023

Study Completion

August 24, 2023

Last Updated

August 27, 2024

Results First Posted

August 27, 2024

Record last verified: 2024-08

Locations