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Marijuana for Cancer Pain

This study has been terminated.
(Discontinued due to non-enrollment.)
University of California, San Francisco
Information provided by:
Center for Medicinal Cannabis Research Identifier:
First received: October 1, 2002
Last updated: October 9, 2013
Last verified: October 2013
To find out if it is safe and effective to use smoked marijuana in combination with opioids to treat cancer pain. The study will evaluate whether smoked marijuana, when used with opioids, will have an effect on pain relief, and to see if marijuana reduces the side effects of opioids, which include nausea and/or vomiting.

Condition Intervention Phase
Neoplasms Drug: Smoked Marijuana Phase 1 Phase 2

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Marijuana in Combination With Opioids for Cancer Pain: A Pilot Study

Resource links provided by NLM:

Further study details as provided by Center for Medicinal Cannabis Research:

Primary Outcome Measures:
  • Change in level of cancer pain as recorded on a 100mm Visual Analog Scale.

Secondary Outcome Measures:
  • Change in level of experimentally induced pain on a 100mm Visual Analog Scale.
  • Change in nausea and emesis in participants exhibiting these symptoms.
  • Change in disposition kinetics of opioid analgesics.

Estimated Enrollment: 16
Study Start Date: September 2002
Study Completion Date: October 2004
Detailed Description:
To take part in this study, you must have ongoing cancer pain which is currently being treated with opioids. If you meet all the eligibility criteria you will be admitted to the General Clinical Research Center at San Francisco General Hospital for 9 days. The treatment consists of smoking one marijuana cigarette 3 times a day.

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No


  • Have ongoing cancer pain
  • Be diagnosed with cancer and have at least a six month survival.
  • Be on a stable dose of opioid medication for at least 2 weeks before enrollment.
  • Have smoked marijuana on at least 6 occasions in their lifetime prior to enrollment.


You must not:

  • Start chemotherapy, radiation or biphosphonates during the study, or have received any new intervention with any such agents within the past 4 weeks.
  • Currently be using smoked tobacco products.
  • Currently be in methadone treatment.
  • Have smoked marijuana within 30 days of enrollment.
  • Be diagnosed with diabetes mellitus.
  • Have severe heart disease, uncontrolled hypertension, or lung disease.
  • Currently be receiving treatment with corticosteroids.
  • Be pregnant or breastfeeding.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00046709

United States, California
University of California, San Francisco
San Francisco, California, United States, 94110
Sponsors and Collaborators
Center for Medicinal Cannabis Research
University of California, San Francisco
Principal Investigator: Donald I Abrams, M.D. UCSF Community Consortium
  More Information

Additional Information: Identifier: NCT00046709     History of Changes
Obsolete Identifiers: NCT00052871
Other Study ID Numbers: C00-SF-108
Study First Received: October 1, 2002
Last Updated: October 9, 2013

Keywords provided by Center for Medicinal Cannabis Research:
Cancer pain
All types of cancer except lung cancer processed this record on September 21, 2017