New drug trial for tough bone cancer halted early
NCT ID NCT03514407
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This early-phase trial tested an experimental drug called INCB059872 in 25 people with Ewing sarcoma that had returned or stopped responding to standard treatments. The goal was to check the drug's safety and see if it could shrink tumors. The study was terminated early, so full results are not available.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- INCB059872 (an experimental drug taken by mouth every other day)
- What this could lead to
- If it works, this could point toward a new treatment option for people with Ewing sarcoma that has come back or not responded to standard therapy.
- What could go wrong
- This is a very early (Phase 1) trial with only 25 participants, and it was terminated early, so results are limited. The drug may not shrink tumors or may cause side effects.
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
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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25 people
The number who actually took part.
- Started
-
Jun 2018
- Finished
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Jun 2020
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
12 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: * Histologically or cytologically confirmed diagnosis of Ewing sarcoma and have progressed on or after standard therapies. * Must not be a candidate for potentially curative therapy or standard-of-care approved therapy. * Measurable disease by computed tomography or magnetic resonance imaging based on RECIST 1.1 as determined by site radiology. * Eastern Cooperative Oncology Group performance status 0 to 2. * Willingness to avoid pregnancy or fathering children. Exclusion Criteria: * Receipt of anticancer medications, anticancer therapies, or investigational drugs within protocol-defined intervals before the first administration of study drug. * Must have recovered (≤ Grade 2 or at pretreatment baseline) from adverse events (AEs) from previously administered therapies except for stable chronic toxicities (≤ Grade 2) not expected to resolve. * Untreated brain or central nervous system (CNS) metastases or brain/CNS metastases that have progressed. * Prior radiotherapy within 2 weeks of study treatment. A 1-week washout period is permitted for palliative radiation to non-CNS disease with medical monitor approval. * Laboratory values outside the protocol-defined range at screening. * History or evidence of bleeding disorder or active clinically significant bleeding requiring medical intervention.
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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.
Contacts and locations
Locations
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Columbia University Medical Center
New York, New York, 10032, United States
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Hospital Clínico San Carlos
Madrid, 28040, Spain
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Hospital Universitario Vall d'Hebron
Barcelona, 08035, Spain
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Istituto Ortopedico Rizzoli
Bologna, 40136, Italy
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MD Anderson Cancer Center
Houston, Texas, 77030, United States
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Mayo Clinic Jacksonville - PPDS
Jacksonville, Florida, 32224, United States
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Ospedale Pediatrico Bambino Gesu IRCCS
Rome, 00146, Italy
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Policlinico Sant'orsola-Malpighi
Bologna, 40138, Italy
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St. Jude Children's Research Hospital
Memphis, Tennessee, 38105, United States
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The Christie NHS Foundation Trust
Manchester, M20 4BX, United Kingdom
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UCLA Jonsson Comprehensive Cancer
Los Angeles, California, 90095, United States
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