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Could a tiny dose of radiation ease myeloma bone pain?

NCT ID NCT03858205

Symptom relief Sponsor: University of Southern California 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether a very low dose of radiation (2 Gy) can relieve bone pain in people with multiple myeloma that has spread to the bones. The goal is to see if this gentler approach works as well as standard radiation but with fewer side effects and less disruption to chemotherapy schedules. About 100 participants will report their pain levels and quality of life before and after treatment.

What this could mean

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

Active substance
low-dose radiation therapy
What this could lead to
If it works, this could offer a gentler, more convenient way to relieve bone pain in multiple myeloma patients, with fewer side effects and less interference with chemotherapy.
What could go wrong
This is a mid-stage trial with only 100 participants, so results may not apply to everyone. Pain relief may be modest or short-lived, and some side effects from radiation are still possible.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 100 people

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

Started

Mar 2019

Expected to finish

Mar 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.

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: * Histologic diagnosis of multiple myeloma * Painful bone metastasis (index lesion) that has a radiographic correlate * Patient may have had any number of prior chemotherapy/immunotherapy regimens (changes to systemic therapy or use of bisphosphonates for 4 weeks before and after RT are allowed, but recording of these changes must be made so it can be accounted for) * Eastern Cooperative Oncology Group (ECOG) 0-2 * Brief Pain Inventory (BPI) score \>= 2 * Ability to understand and the willingness to sign a written informed consent Exclusion Criteria: * Patients will be ineligible if the index lesion has received prior radiation therapy or prior palliative surgery. Patients may have received prior palliative or primary radiotherapy or surgery to other parts of the body, as long as the index lesion was not in the prior radiation fields and has not received prior palliative surgery * Patients will also be ineligible if there is pathologic fracture or impending fracture at the site of the index lesion or planned surgical fixation of the bone at the index lesion * Patients with clinical or radiographic evidence of spinal cord or cauda equina compression/effacement from the index lesion, and/or with index lesions located at the skull base or orbital lesions * Patients must not be pregnant

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Conditions

The condition(s) this trial relates to.

metastatic carcinoma in the bone plasma cell myeloma

As listed by the trial registrant

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

Bone pain Metastatic malignant neoplasm in the bone Plasma cell myeloma

How to take part

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

  1. The places running it

    9 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

  • Cedars Sinai Medical Center

    RECRUITING

    Los Angeles, California, 90048, United States

  • City of Hope

    RECRUITING

    Duarte, California, 91010, United States

  • Dana-Farber Cancer Institute

    RECRUITING

    Boston, Massachusetts, 02215, United States

  • Emory University Hospital/Winship Cancer Institute

    RECRUITING

    Atlanta, Georgia, 30322, United States

  • Icahn School of Medicine at Mount Sinai

    RECRUITING

    New York, New York, 10029, United States

  • Los Angeles General Medical Center

    RECRUITING

    Los Angeles, California, 90033, United States

  • USC / Norris Comprehensive Cancer Center

    RECRUITING

    Los Angeles, California, 90033, United States

  • University of Minnesota - Masonic Cancer Center

    RECRUITING

    Minneapolis, Minnesota, 55455, United States

  • University of Pennsylvania/Abramson Cancer Center

    RECRUITING

    Philadelphia, Pennsylvania, 19104, United States

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