New oral drug shows promise for kids with rare RET-Driven cancers
NCT ID NCT03899792
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests an oral drug called selpercatinib (LOXO-292) in children with advanced solid or brain tumors that have a specific RET gene change. The trial has two parts: first finding a safe dose, then measuring how many children's tumors shrink. About 36 children whose cancers have not responded to standard treatments are participating.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Selpercatinib (also called LOXO-292), an oral drug that targets RET gene changes
- What this could lead to
- If successful, this could provide a new targeted treatment option for children with certain hard-to-treat cancers that have RET gene alterations.
- What could go wrong
- This is an early-phase trial with only 36 participants, so results may not apply broadly. The drug may cause side effects or not shrink tumors in many children.
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 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
-
36 people
The number who actually took part.
- Started
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Jun 2019
- Expected to finish
-
May 2029
An estimate. End dates often move.
- 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
-
6 months to 21 years
- Sex
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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 Hide 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: * Advanced or metastatic solid or primary CNS tumor which has failed standard of care therapies * Evidence of an activating RET gene alteration in the tumor and/or blood * Measurable or non-measurable disease * Karnofsky (participants 16 years and older) or Lansky (participants younger than 16) performance score of at least 50 * Participant with primary CNS tumors or cerebral metastases must be neurologically stable for 7 days prior and must not have required increasing doses of steroids within the last 7 days * Adequate hematologic, hepatic and renal function. * Ability to receive study drug therapy orally or via gastric access * Willingness of men and women of reproductive potential to observe conventional and effective birth control Exclusion Criteria: * Major surgery within two weeks prior to planned start of LOXO-292 * Clinically significant, uncontrolled cardiac, cardiovascular disease or history of myocardial infarction within 6 months prior to planned start of LOXO-292 * Active uncontrolled systemic bacterial, viral, fungal or parasitic infection * Clinically significant active malabsorption syndrome * Pregnancy or lactation * Uncontrolled symptomatic hyperthyroidism or hypothyroidism (i.e. the participant required a modification to current thyroid medication in the 7 days before start of LOXO-292) * Uncontrolled symptomatic hypercalcemia or hypocalcemia * Known hypersensitivity to any of the components of the investigational agent, LOXO-292 or Ora-Sweet® SF and OraPlus®, for participants who will receive LOXO-292 suspension * Prior treatment with a selective RET inhibitor(s) (including investigational selective RET inhibitor\[s\])
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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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Children's Hospital of Philadelphia
Philadelphia, Pennsylvania, 19104, United States
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Childrens Hospital of Los Angeles
Los Angeles, California, 90027, United States
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Cincinnati Children's Hospital Medical Center
Cincinnati, Ohio, 45229-3039, United States
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Dana-Farber Cancer Institute
Boston, Massachusetts, 02215, United States
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Fondazione IRCCS Istituto Nazionale dei Tumori
Milan, Lombardy, 20133, Italy
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Gustave Roussy
Villejuif, 94805, France
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Hiroshima University Hospital
Hiroshima, 734-8551, Japan
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Hokkaido University Hospital
Sapporo, Hokkaido, 060-8648, Japan
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Hospital Universitari Vall d'Hebron
Barcelona, Barcelona [Barcelona], 8035, Spain
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Kyoto University Hospital
Kyoto, 606-8507, Japan
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Memorial Sloan Kettering Cancer Center
New York, New York, 10065, United States
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National Cancer Center Hospital
Chuo-ku, Tokyo, 104-0045, Japan
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Nemours Children's Health
Orlando, Florida, 32827, United States
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Rigshospitalet
Copenhagen, 2200, Denmark
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Royal Children's Hospital
Melbourne, Victoria, 3052, Australia
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Seattle Children's Hospital Research Foundation
Seattle, Washington, 98105, United States
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Seoul National University Hospital
Seoul, Korea, 03080, South Korea
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St. Jude Children's Research Hospital
Memphis, Tennessee, 38105, United States
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Texas Childrens Hospital
Houston, Texas, 77025, United States
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The Children's Hospital at Westmead
Westmead, New South Wales, 2145, Australia
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The Children's Hospital for Cancer and Blood Disorders
Aurora, Colorado, 80045, United States
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The Hospital for Sick Children
Toronto, Ontario, M5G 1X8, Canada
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University College Hospital - London
London, Greater London, NW1 2BU, United Kingdom
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University of Minnesota Hospital
Minneapolis, Minnesota, 55455, United States
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University of Texas Southwestern Medical Center at Dallas
Dallas, Texas, 75390-9063, United States
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Universitätsklinikum Heidelberg
Heidelberg, Baden-Wurttemberg, 69115, Germany
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