Study Stopped
Inadequate funding
Dose-Ranging Trial of Inhaled Cannabis for Acute Migraine Treatment
Inhaled Cannabis Versus Placebo for the Acute Treatment of Migraine: a Pilot, Randomized, Double-blind, Placebo-controlled, Crossover, Dose-ranging Trial
1 other identifier
interventional
20
1 country
1
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
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_2
Started Feb 2023
Longer than P75 for phase_2
1 active site
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
June 17, 2022
CompletedFirst Posted
Study publicly available on registry
June 22, 2022
CompletedStudy Start
First participant enrolled
February 15, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
December 1, 2027
March 16, 2026
March 1, 2026
4.8 years
June 17, 2022
March 11, 2026
Conditions
Keywords
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%
EXPERIMENTALInhalation of cannabis flower containing THC \~2.5%
THC ~5%
EXPERIMENTALInhalation of cannabis flower containing THC \~5%
THC ~10%
EXPERIMENTALInhalation of cannabis flower containing THC \~10%
Sham Cannabis
SHAM COMPARATORInhalation of cannabis flower from which the THC and CBD have been extracted
Interventions
Cannabis flower containing THC \~2.5%
Cannabis flower containing THC \~5%
Cannabis flower containing THC \~5%
Cannabis flower from which the THC and CBD have been extracted
Eligibility Criteria
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
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Nathaniel M Schuster, MD
Center for Pain Medicine, UC San Diego
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
- 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
- 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
Deidentified data will be shared in a manner TBD based on funding availability and journal requirements