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Multiple MyelomaNCT05996367

Prospective Cohort of Single-dose Radiotherapy for Painful Bone Lesions in Multiple Myeloma

A study testing Single-dose involved-site radiotherapy in people with Multiple Myeloma, run by Instituto do Cancer do Estado de São Paulo at 1 site in Brazil.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

Multiple myeloma is a plasma cell neoplasm that can cause painful bone lesions. The main treatment for these lesions and pain control is radiotherapy, usually in daily fractions. Read more about this study

Who is it for?
Ages 18 to 85 years
Conditions the study is for
Multiple Myeloma
What is being tested?
Single-dose involved-site radiotherapy
Type of treatment
Surgery or procedure
Could I receive a placebo?
No, everyone receives an active treatment
How many people
2 participants
Where
1 siteBrazil
Study dates
31 Jul 2023to 1 Oct 2024
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 85 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Biopsy of plasma cell neoplasm with bone lesion treatable with radiotherapy;
  • Age between 18 and 85 years old;
  • Performance on the ECOG scale less than or equal to 2.
  • Not using systemic therapies for 4 weeks OR being on maintenance therapy with the same drug for at least 4 weeks before radiotherapy.

Who cannot join

  • Refusing to sign or inability to understand the consent term;
  • Pain less than 2/10 on the numeric pain rating scale;
  • Change in systemic treatment scheme, including use of bone metabolism modulation drugs, up to 4 weeks before radiotherapy treatment;
  • Technical incapacity for the treatment, including, but not limited to, weight greater than 115Kg, inability to abduct the limb to be treated in appendicular bones, intolerable pain to remain in the treatment position;
  • Previous cancer and previous oncological treatments;
  • Previous autoimmune diseases, even if controlled;
  • Current pregnancy.

Trial locations and contacts

1 site in 1 country.

Brazil1 site
  • University of Sao Paulo

    São Paulo, São Paulo, 05403-010

Other trials in Brazil

About this study

Official title: Prospective Cohort Assessing the Impact of Single-dose Radiotherapy in the Treatment of Painful Bone Lesions in Patients With Multiple Myeloma

Multiple myeloma is a plasma cell neoplasm that can cause painful bone lesions. The main treatment for these lesions and pain control is radiotherapy, usually in daily fractions. In 2017, a phase III study proved the effectiveness of using a single dose of 8 Gy, but without description of several important oncological outcomes. This is a single-arm prospective cohort study. This study aims to describe these outcomes, including retreatment rate and bone events. Also, as secondary objectives, describe the quality of life and use of analgesic medications in this population.

Being tested
Single-dose involved-site radiotherapy
Keywords
Multiple myeloma, Palliative care, Radiotherapy
Medical subject headings
Multiple Myeloma

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Single-dose involved-site radiotherapyRadiation

    Single-dose of 8 Gy at involved-site radiotherapy

Study groups in NCT05996367
Study groupRoleWhat they receive
Single ArmExperimentalSingle-dose radiation to involved-site
Receives: Radiation: Single-dose involved-site radiotherapy

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Retreatment rate at 6 months

    Percentage of patients that needed a second corse of radiation for painful bone lesions

    Measured: 6 months after radiotherapy

Secondary outcomes (8)
  1. Local control

    Local control by Recist 1.1

    Measured: 6 months and 12 months

  2. Progression-free survival

    Progression-free survival

    Measured: 12 months

  3. Overall survival

    Overall survival

    Measured: 12 months

  4. Bone event-free survival

    by description from Raje et al. The Lancet 2018

    Measured: 6 months

  5. Pain relief by the numerical rating pain scale

    reduction on opioid and single analgesics intake and altered value in the rating pain scale

    Measured: 1, 3, 6 and 12 months

  6. Pain flair incidence

    Enhanced pain by at least 2 levels at the numerical rating pain scale

    Measured: 1, 3, 6 and 12 months

  7. Quality of life by EORCT QLQ-C30

    Quality of life by EORCT QLQ-C30 questionnaire

    Measured: 1, 6 and 12 months

  8. Quality of life by EORCT QLQ-C30 and MY-24

    Quality of life by EORCT MY-24 myeloma complementary questionnaires

    Measured: 1, 6 and 12 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted18 Aug 2023
  2. Study start31 Jul 2023
  3. Primary completion1 Oct 2024
  4. Study completion1 Oct 2024

Why it stopped: Funding/ transfer PI

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
2 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05996367
Sponsor's protocol ID
NP 465/23
Status last verified
Sep 2024
First submitted
31 Jul 2023
Last updated
4 Nov 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing Single-dose involved-site radiotherapy in people with Multiple Myeloma, run by Instituto do Cancer do Estado de São Paulo at 1 site in Brazil.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 7 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 4 Nov 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Brazil. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study was stopped early (reason given: Funding/ transfer PI). Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Retreatment rate at 6 months (time frame: 6 months after radiotherapy). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 4 Nov 2026.

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