FDA record · Cancer
Modeyso (dordaviprone hydrochloride)
What FDA's own documents say about Modeyso: what it is approved for, the trials FDA reviewed, the results it reported and the risks on the label.
- Sponsor
- Chimerix
- First approved
- August 6, 2025
- Status
- Accelerated approval
- Read from
- 10 FDA documents, 457 pages
What it is approved for
“MODEYSO is a protease activator indicated for the treatment of adult and pediatric patients 1 year of age and older with diffuse midline glioma harboring an H3 K27M mutation with progressive disease following prior therapy.”
Prescribing information, original approval · PDF p. 1 · fda.gov ↗
Trials FDA reviewed
Mentions: how many sentences across the FDA documents name the trial. NCT ids are read from the documents or, where they give none, matched on ClinicalTrials.gov by the trial's name or protocol code.
Results FDA reported
Sentences from FDA's reviews that give an endpoint's p-value, effect or confidence interval, those reporting a treatment effect first.
overall survival
“RANO 2.0 response was significantly associated with OS as a time-varying covariate in a multivariate Cox Proportional Hazards model (hazard ratio 0.22 [95% CI: 0.08-0.58]; p=0.0024).”
Multi-disciplinary Review · PDF p. 130 · fda.gov ↗
95%p=0.0024
Safety
Most common adverse reactions
“The most common adverse reactions (>=20%) were fatigue, headache, vomiting, nausea, and musculoskeletal pain.”
Prescribing information, original approval · PDF p. 6 · fda.gov ↗
Adverse events the documents discuss most
- QTc prolongation 44 mentions
- death 40 mentions
- hypersensitivity 33 mentions
- headache 23 mentions
- neutropenia 2 mentions
- anti-drug antibodies 1 mentions
- falls 1 mentions
Dosing on the label
“• The recommended dose in adult patients is 625 mg orally once weekly.”
Prescribing information, original approval · PDF p. 1 · fda.gov ↗
“• The recommended dose in pediatric patients weighing >=10 kg is based on body weight (see Table 1).”
Prescribing information, original approval · PDF p. 1 · fda.gov ↗
FDA documents read
Checked against FDA's copies on September 30, 2026. The sha256 is the fingerprint of the file that was read: download it from fda.gov and compare. Quotes come from the text of each file as read; pages FDA stored as images were read by OCR and are marked.
Generated automatically (auto): the trials, names and dates are drafted from the documents by rules, with no language model; see the method.
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