NCT05427630

Brief Summary

This pilot crossover study will evaluate 3 different potencies of inhaled cannabis (2.5%, 5%, and 10%) and inhaled placebo cannabis for the acute treatment of migraine.

Trial Health

53
Monitor

Trial Health Score

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

Trial recruitment is currently suspended
Enrollment
20

participants targeted

Target at below P25 for phase_2

Timeline
19mo left

Started Feb 2023

Longer than P75 for phase_2

Geographic Reach
1 country

1 active site

Status
suspended

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

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress67%
Feb 2023Dec 2027

First Submitted

Initial submission to the registry

June 17, 2022

Completed
5 days until next milestone

First Posted

Study publicly available on registry

June 22, 2022

Completed
8 months until next milestone

Study Start

First participant enrolled

February 15, 2023

Completed
4.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2027

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2027

Last Updated

March 16, 2026

Status Verified

March 1, 2026

Enrollment Period

4.8 years

First QC Date

June 17, 2022

Last Update Submit

March 11, 2026

Conditions

Keywords

MigraineCannabisTHC

Outcome Measures

Primary Outcomes (1)

  • Headache Pain Freedom at 2 Hour Post-Treatment

    Dichotomous outcome of pain freedom defined as reduction from moderate/severe pain to no pain

    2 Hours Post-Treatment

Secondary Outcomes (2)

  • Most Bothersome Symptom (MBS) Freedom at 2 Hours Post-Treatment

    2 Hours Post-Treatment

  • Headache Pain Relief at 2 Hours Post-Treatment

    2 Hours Post-Treatment

Other Outcomes (10)

  • Headache pain freedom

    15 minutes, 30 minutes, 1 hour, 1.5 hours, 4 hours, 24 hours, 48 hours

  • Most bothersome symptom (MBS)

    15 minutes, 30 minutes, 1 hour, 1.5 hours, 4 hours, 24 hours, 48 hours

  • Headache pain relief

    15 minutes, 30 minutes, 1 hour, 1.5 hours, 4 hours, 24 hours, 48 hours

  • +7 more other outcomes

Study Arms (4)

THC ~2.5%

EXPERIMENTAL

Inhalation of cannabis flower containing THC \~2.5%

Drug: THC ~2.5%

THC ~5%

EXPERIMENTAL

Inhalation of cannabis flower containing THC \~5%

Drug: THC ~5%

THC ~10%

EXPERIMENTAL

Inhalation of cannabis flower containing THC \~10%

Drug: THC ~10%

Sham Cannabis

SHAM COMPARATOR

Inhalation of cannabis flower from which the THC and CBD have been extracted

Drug: Sham Cannabis

Interventions

Cannabis flower containing THC \~2.5%

Also known as: THC, delta 9-tetrahydrocannabinol, marijuana
THC ~2.5%

Cannabis flower containing THC \~5%

Also known as: THC, delta 9-tetrahydrocannabinol, marijuana
THC ~5%

Cannabis flower containing THC \~5%

Also known as: THC, delta 9-tetrahydrocannabinol, marijuana
THC ~10%

Cannabis flower from which the THC and CBD have been extracted

Also known as: Placebo, Sham
Sham Cannabis

Eligibility Criteria

Age21 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age ≥ 21 and ≤ 65
  • Able to communicate in English
  • Migraine, with or without aura, in its episodic or chronic manifestations, as per the International Headache Society (IHS) classification International Classification of Headache Disorders (ICHD-3) criteria (section 1.1, 1.2, 1.3).(48)
  • Ability to provide informed consent and complete website questionnaires in English
  • Agrees not to use cannabis outside of the study during participation in the study
  • Agrees not to use opioids or barbiturates during participation in the study
  • Agrees not to drive a motor vehicle within 4.5 hours following last use of inhaled cannabis during participation in the study

You may not qualify if:

  • Positive urine drug test for THC, barbiturates, opioids, oxycodone, or methadone prior to enrollment
  • Pregnancy
  • Breastfeeding
  • Prisoner
  • Known cognitive impairment
  • Institutionalized
  • Current moderate-severe or severe depression
  • Current or past history of bipolar depression, schizophrenia, or psychosis
  • Current or past history of cannabis, alcohol, opioid, or amphetamine abuse or other substance use disorder at the discretion of the research team
  • Active pulmonary disease, class IV heart failure, cirrhosis, or other severe medical illnesses at the discretion of the research team.
  • Allergy to cannabis

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Center for Pain Medicine, UC San Diego

La Jolla, California, 92037, United States

Location

MeSH Terms

Conditions

Migraine DisordersMarijuana Abuse

Interventions

DronabinolnabiximolsTHC 5salicylhydroxamic acid

Condition Hierarchy (Ancestors)

Headache Disorders, PrimaryHeadache DisordersBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesSubstance-Related DisordersChemically-Induced DisordersMental Disorders

Intervention Hierarchy (Ancestors)

CannabinoidsTerpenesHydrocarbonsOrganic Chemicals

Study Officials

  • Nathaniel M Schuster, MD

    Center for Pain Medicine, UC San Diego

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
Each participant will have an identification number and randomization of drug sequence allocation will be performed a priori using a random number generator by the study pharmacist. The 4 treatments will be identically encapsulated by the study pharmacist. The study pharmacist will place the capsules in identical sealed plastic bags labeled "Migraine 1" through "Migraine 4."
Purpose
TREATMENT
Intervention Model
CROSSOVER
Model Details: Randomized, Double-blind, Placebo-controlled, Dose-ranging Trial
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor

Study Record Dates

First Submitted

June 17, 2022

First Posted

June 22, 2022

Study Start

February 15, 2023

Primary Completion (Estimated)

December 1, 2027

Study Completion (Estimated)

December 1, 2027

Last Updated

March 16, 2026

Record last verified: 2026-03

Data Sharing

IPD Sharing
Will share

Deidentified data will be shared in a manner TBD based on funding availability and journal requirements

Shared Documents
STUDY PROTOCOL, SAP, ICF
Time Frame
Beginning 1 year and ending 5 years after article publication
Access Criteria
Researchers who provide a methodologically sound proposal. Proposals should be sent to nmschuster@health.ucsd.edu

Locations