Heart safety check for cancer drug selpercatinib
NCT ID NCT05630274
First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This completed Phase 1 study looked at whether a single dose of selpercatinib, a cancer drug, changes the heart's electrical activity (QT interval) in 32 healthy adults. Participants received selpercatinib, a placebo, or a control drug (moxifloxacin) in a crossover design. The main goal was to measure any heart rhythm effects to ensure the drug's safety for future use.
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 known as LOXO-292)
- What this could lead to
- If successful, this study will confirm that selpercatinib does not cause dangerous heart rhythm changes, supporting its safe use in patients.
- What could go wrong
- This is a small, early-phase study in healthy volunteers, not patients. Heart effects seen here may differ in sicker populations or with long-term use.
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
-
Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
-
32 people
The number who actually took part.
- Started
-
Apr 2019
- Finished
-
Jun 2019
- Lead sponsor
-
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
-
18 to 55 years
- Sex
-
Anyone
- Healthy volunteers
-
Accepted
You do not need to have the condition being studied to take part.
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: * Healthy, adult, non-smoking, male or female (of non childbearing potential only or undergone sterilization procedures at least 6 months prior to the Screening) with no ECG abnormalities. * Body mass index (BMI) ≥ 18.0 and ≤ 32.0 kilograms per meter squared (kg/m²) at Screening and have a minimum weight of at least 50 kg at Screening * Female of non childbearing potential: must have undergone sterilization procedures at least 6 months prior to the Screening * Males who are capable of fathering a child must agree to use contraception from the time of the dose administration through 6 months after the last dose Exclusion Criteria: * Estimated creatinine clearance \<90 milliliter per minute (mL/min) at Screening or Check in (Day -1; rechecks will be permitted up to two times to confirm participant eligibility for study participation). * Has serum potassium levels \<3.8 milliequivalents per liter (mEq/L) at Screening or Check in (Day -1; rechecks will be permitted up to two times to confirm participant eligibility for study participation). * Has serum calcium levels \< 8.5 milligrams/deciliter (mg/dL) at Screening or Check in (Day -1; rechecks will be permitted up to two times to confirm participant eligibility for study participation). * Has serum magnesium levels \<2.0 mEq/L at Screening or Check in (Day -1; rechecks will be permitted up to two times to confirm participant eligibility for study participation)
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Celerion
Tempe, Arizona, 85283, United States
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