Cancer immunotherapy may weaken bones, new study warns
NCT ID NCT07555210
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how immunotherapy drugs (anti-PD-1) affect bone strength in people being treated for cancer. Researchers will measure bone density and blood markers over a year in 25 patients. The goal is to understand if these treatments increase fracture risk, so doctors can better monitor and protect bone health.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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About 25 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2025
- Expected to finish
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Jul 2028
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Age ≥ 18 years. 2. Patients planning to start or within the first four weeks of treatment with anti-PD-1 immune checkpoint inhibitor therapy either alone or in combination with chemotherapy for curative intent for a known cancer diagnosis (use of immunotherapy must be FDA-approved and not experimental). 3. Life expectancy of at least 12 months per the discretion of the treating physician. Exclusion Criteria: 1. Patients ineligible for anti-PD-1 therapy. 2. Patients with metastatic disease. 3. Patients planning treatment with dual immune checkpoint inhibitor therapy. 4. Bony fractures in the pelvis, bilateral hips/femurs, thoracic spine, or lumbar spine. 5. Known osteoporosis or osteopenia. 6. Planned or previous treatment with denosumab, zoledronic acid, or other bisphosphonate therapy in the last six months. 7. Parathyroid gland disorders, rheumatoid arthritis (unless well-controlled off active biologic therapy without chronic steroid use), CKD stage IV/V, or ESRD. 8. Inability to comply with study procedures. 9. Inability to lie flat for 20-25 minutes during an imaging session. 10. Pregnant or breastfeeding patients. 11. Medical or psychiatric co-morbidities that, in the opinion of the treating physician, would prevent the patient from successfully participating in the study.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Vanderbilt-Ingram Cancer Center
RECRUITINGNashville, Tennessee, 37232, United States
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