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Evaluating the effectiveness of medical cannabis for chronic pain management

Outcomes Mandate National Integration With Cannabis as Medicine

Phase 2 Interventional OMNI Medical Services, LLC · NCT03944447

This study is testing if medical cannabis can help people with chronic pain feel better and is looking for participants who have a qualifying condition for medical marijuana.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment200000 (estimated)
Ages7 Years and up
SexAll
SponsorOMNI Medical Services, LLC Research network
Locations17 sites (Boca Raton, Florida and 16 other locations)
Trial IDNCT03944447 on ClinicalTrials.gov

What this trial studies

This clinical trial aims to assess the efficacy and safety of medical cannabis in treating various chronic pain conditions across multiple states and centers. Participants will be required to have a clinical diagnosis of a qualifying condition for medical marijuana and will complete online surveys to track their progress. The study utilizes a specific inhaler device for administering cannabis, allowing for controlled dosing and monitoring. By addressing the lack of comprehensive studies on cannabis as a treatment for pain, this trial seeks to provide valuable insights into its therapeutic potential.

Who should consider this trial

Good fit: Ideal candidates include adults aged 18 and older with a clinical diagnosis of a qualifying condition for medical marijuana.

Not a fit: Patients who are pregnant, breastfeeding, or have active suicidality or psychosis may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a new, effective treatment option for patients suffering from chronic pain.

How similar studies have performed: While there have been some studies on cannabis for chronic pain, this comprehensive multistate approach is relatively novel and untested.

Eligibility criteria

Show full inclusion / exclusion criteria 
Inclusion Criteria:

* Clinical diagnosis of a Qualifying Condition for Medical Marijuana
* Must be 18 years or older unless they have consent from their parent or legal guardian as defined under state law parameters
* Must be willing to complete online surveys at baseline and the follow up points in this study

Exclusion Criteria:

* Pregnancy
* Breastfeeding
* Inability to provide informed consent
* Inability to complete study visits or questionnaires
* Active suicidality or psychosis, that could be exacerbated by the administration of cannabis

Where this trial is running

Boca Raton, Florida and 16 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
View on ClinicalTrials.gov → Find more trials like this →
Conditions Chronic PainChronic Pain SyndromeChronic Pain Due to InjuryChronic Pain Due to TraumaFibromyalgiaSeizuresHepatitis CCancer
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.