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Marijuana vs. opioids: which do cancer patients prefer for pain?

NCT ID NCT04875286

Symptom relief Sponsor: M.D. Anderson Cancer Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Sep 11, 2026 · Updated 1 time

Summary

This study looks at how cancer patients feel about using marijuana products (THC or CBD) compared to opioids for pain relief. Researchers will survey 200 adults with cancer-related pain who are already taking strong opioids. The goal is to understand patient preferences and perceptions, not to test a new treatment.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

200 people

The number who actually took part.

Started

Feb 2021

Expected to finish

Feb 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients (inpatient or outpatient) seen by the Palliative Care and Integrative Medicine teams at The University of Texas MD Anderson Cancer Center (Texas) and the Palliative Care team at Banner MD Anderson Cancer Center (Arizona)

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patients (inpatient or outpatient) seen by the Palliative Care and Integrative Medicine teams at The University of Texas MD Anderson Cancer Center (Texas) and the Palliative Care team at Banner MD Anderson Cancer Center (Arizona) * Patients must be primary residents of Texas or Arizona * Patients able to speak and read English * Patients are 18 years old and above * Patients should have a cancer diagnosis, cancer-associated pain, and taking strong opioids (morphine, oxycodone, hydrocodone, hydromorphone, oxymorphone, methadone, fentanyl) * Patients who have used in the past 3 months or are using alternative botanical pain management while under prescription opioids Exclusion Criteria: * Patients who are not able to speak or read English * Altered mental status as determined by the interviewer based on the ability to understand the nature of the study and consent process * Patients who have not used medical marijuana and/or CBD products * Patients who do not have cancer * Patients who do not have cancer-associated pain * Patients who are not taking opioids

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Conditions

The condition(s) this trial relates to.

cancer Cancer Pain hematopoietic and lymphoid cell neoplasm hematopoietic and lymphoid system neoplasm

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Cancer-associated pain Hematopoietic and lymphoid cell neoplasm Malignant solid neoplasm

Contacts and locations

Locations

  • Banner MD Anderson Cancer Center

    Gilbert, Arizona, 85234, United States

  • M D Anderson Cancer Center

    Houston, Texas, 77030, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.