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Weed and myeloma: new study to track cannabis benefits and risks

NCT ID NCT07225738

Knowledge-focused Sponsor: City of Hope Medical Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study follows 700 people newly diagnosed with multiple myeloma to see how cannabis use affects their quality of life and symptoms during chemotherapy. Researchers will compare cannabis users and non-users using surveys and medical records. The goal is to understand potential benefits and harms of cannabis in this cancer population.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this study could provide evidence on whether cannabis helps or harms quality of life and symptoms in multiple myeloma patients.
What could go wrong
This is an observational study, not a controlled trial, so it cannot prove cause and effect. Results may be influenced by other factors and may not apply to all patients.

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

About 700 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jan 2026

Expected to finish

Aug 2030

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

Newly diagnosed multiple myeloma patients who have received up to four cycles of first line therapy and City of Hope affiliated health care providers currently practicing in oncology or providing direct care to oncology patients.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * \* Documented informed consent of the participant * Age: ≥ 18 years * ECOG ≤ 3 * Ability to read and understand English * Patient must be newly diagnosed with a histologically confirmed multiple myeloma * Patients may have started first line therapies and received up to four cycles * HCP SURVEY: Documented informed consent of the participant * HCP SURVEY: Age: ≥ 18 years * HCP SURVEY: Licensed physician, physician assistant, nurse practitioner, or registered nurse * HCP SURVEY: Currently practicing in oncology or providing direct care to oncology patients * HCP SURVEY: Able to read and understand English * HCP SURVEY: Affiliation with City of Hope Exclusion Criteria: * \* Patients may not have completed five cycles of first line therapy or undergone any second line therapy * Other active malignancy * Patients may not have undergone autologous hematopoietic stem cell transplantation * Unable to comply with the study assessments * HCP SURVEY: Reports directly to study PI (Dr. Richard Lee) * HCP SURVEY: Member of the study team or involved in survey design or analysis * HCP SURVEY: Individuals with a real or perceived conflict of interest that could bias survey responses

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Conditions

The condition(s) this trial relates to.

plasma cell myeloma

As listed by the trial registrant

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

Multiple myeloma

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    11 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • CTCA at Western Regional Medical Center

    NOT_YET_RECRUITING

    Goodyear, Arizona, 85338, United States

  • City of Hope Atlanta Cancer Center

    NOT_YET_RECRUITING

    Newnan, Georgia, 30265, United States

  • City of Hope Medical Center

    RECRUITING

    Duarte, California, 91010, United States

  • City of Hope Seacliff

    NOT_YET_RECRUITING

    Huntington Beach, California, 92648, United States

  • City of Hope South Pasadena

    NOT_YET_RECRUITING

    South Pasadena, California, 91030, United States

  • City of Hope Upland

    NOT_YET_RECRUITING

    Upland, California, 91786, United States

  • City of Hope West Covina

    NOT_YET_RECRUITING

    West Covina, California, 91790, United States

  • City of Hope at Chicago

    NOT_YET_RECRUITING

    Zion, Illinois, 60099, United States

  • City of Hope at Irvine Lennar

    RECRUITING

    Irvine, California, 92618, United States

  • City of Hope at Long Beach Elm

    NOT_YET_RECRUITING

    Long Beach, California, 90813, United States

  • City of Hope at Newport Beach Fashion Island

    NOT_YET_RECRUITING

    Newport Beach, California, 92660, United States

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