Phase 2 Multiple Sclerosis Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- People who have been formally diagnosed with multiple sclerosis (MS), and if taking MS medication, have been on a stable dose for at least 3 months with no signs of liver problems
- People who have been experiencing moderate to severe ongoing pain (rated at least a moderate level on a 0–10 scale) for at least 3 months
- People who are willing to keep their pain medication the same throughout the study period
- People who have had a blood test checking certain liver levels (AST, ALT, and bilirubin) within the past 90 days
Who may not be able to join:
- People who have a current diagnosis of shift work sleep disorder or narcolepsy (confirmed by sleep studies)
- People who have had an MS relapse (flare-up) in the past 30 days before screening (the trial site may reconsider eligibility after that 30-day period has passed)
- People whose pain is caused by cancer
- People who are pregnant or breastfeeding
- People who are currently using cannabis or cannabinoid products, or who are unwilling to stop using them for 30 days before the study and until the final follow-up at the end of the study
- People who are unwilling to use contraception from the screening stage until the end of the treatment period
- People who currently have thoughts of suicide with a plan or intent (the trial site will arrange assessment and urgent mental health support for these individuals)
- People with current severe depression, based on a specific depression questionnaire score (PHQ-9 score of 17 or above, with strong indicators of depressed mood)
- People with a history of mania or schizophrenia
- People with a known allergy or sensitivity to cannabinoids, or to the specific study drugs (Epidiolex® or Dronabinol) or their ingredients, such as sesame oil
- People with a history of certain serious heart conditions, including a heart attack or stroke in the past 6 months, unstable chest pain, certain structural heart problems, severe coronary artery disease, or advanced heart failure
- People with significantly impaired liver function, based on recent blood test results outside accepted levels
- People with a history of a seizure disorder (recurring, unexplained seizures) or certain types of head injury that may increase seizure risk
- People with a history of misusing prescription medications or illegal drugs such as cocaine, amphetamines, methamphetamine, or heroin
- People currently at risk of alcohol misuse, based on a score of 8 or above on a standard alcohol use questionnaire (AUDIT)
- People currently taking warfarin, valproate, or clobazam
- People currently taking certain medications that interact with specific liver enzymes responsible for processing drugs (known as moderate or strong CYP3A4 inhibitors — some short-term exceptions may apply; confirm with trial site)
- People currently taking certain other medications that strongly affect the same liver enzymes (strong CYP3A4 or CYP2C19 inducers — some exceptions apply; confirm with trial site)
- People currently taking certain other medications that affect related liver enzymes (CYP2C9 inhibitors or inducers, or certain drugs with a narrow safe dosage range; confirm with trial site)
- People currently taking certain other medications processed by a specific liver enzyme (CYP2C19), with some exceptions at the treating doctor's discretion (confirm with trial site)
- People who are unwilling to avoid grapefruit and grapefruit products during the treatment period
- People currently taking opioid pain medicines (tramadol is an exception and is permitted)
- People who work as commercial drivers, or in jobs involving significant heights or heavy machinery
- People who have had a car crash or near-crash due to unmanaged sleepiness in the past 6 months
- People with significant cognitive (thinking and memory) difficulties, based on a short screening test (3 or more errors on a six-item cognitive screener)
- People with a high level of MS-related disability, based on a standard MS disability scale score of 8.0 or above
- People with blood pressure that is too high (above 180/120 mmHg) or too low (below 90/60 mmHg) at screening, or who have a history of fainting related to a drop in blood pressure when standing
- People with a resting heart rate below 50 or above 100 beats per minute at screening
- People with any other medical, neurological, sleep, psychiatric condition, or treatment that the trial investigators consider could affect safety or suitability for the trial
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Tiffany Braley, University of Michigan
Phone: 734-615-9650
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Mean change in sleep bout length; Change in Walsh Spectral Entropy; Change in Transition Entropy; Change of center of activity; Change in sleep rhythmicity; Change in sleep regularity; Change in sleep continuity and duration
Can't join this trial?
Data last synced from ClinicalTrials.gov: 22 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.