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Tovorafenib

Phase 3

Low-grade Glioma | Small molecule | Oncology |Day One Biopharmaceuticals, Inc.|Last Updated: May 14, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedACTIVE_CONTROLLEDDMCBiomarker
Total Trials2
Total Enrollment559
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05566795DAY101 vs. Standard of Care Chemotherapy in Pediatric Participants With Low-Grade Glioma Requiring First-Line Systemic Therapy (LOGGIC/FIREFLY-2)PHASE3 ACTIVE NOT_RECRUITING 418Feb 27, 2023Jun 1, 2031May 14, 2026138 United States, Australia +28
NCT04775485A Study to Evaluate Tovorafenib in Pediatric and Young Adult Participants With Relapsed or Progressive Low-Grade Glioma and Advance Solid TumorsPHASE2 RECRUITING 141Apr 22, 2021May 31, 2027Apr 10, 202535 United States, Australia +9
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Study Endpoints
Primary Endpoints
Objective response rate (ORR) of tovorafenib monotherapy versus SoC chemotherapy
Up to 60 months

ORR assessed per Response Assessment in Pediatric Neuro Oncology (RAPNO) criteria by Independent Review Committee (IRC), and defined as the proportion of participants with overall confirmed response of complete response (CR), partial response (PR), or minor response (MR).

Arm 1: Overall response rate
Up to 48 months

ORR is defined as percentage of participants with best overall confirmed response of complete response (CR) or partial response (PR) by the Response Assessment in Neuro-Oncology - high-grade glioma (RANO-HGG) criteria.

Arm 2: Number of participants reporting adverse events
Up to 48 months

An adverse event (AE) is any untoward medical occurrence in a participant or clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention.

Arm 2: Number of participants with clinically significant changes in clinical chemistry parameters
Up to 48 months
Arm 2: Number of participants with clinically significant changes in hematology parameters
Up to 48 months
Arm 3: Overall response rate
Up to 48 months

Determined by the treating investigator and measured by Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 or RANO-HGG criteria, as appropriate.

Secondary Endpoints
Progression-free survival (PFS) of tovorafenib monotherapy versus SoC chemotherapy
Up to 60 months
Event-free survival (EFS) of tovorafenib monotherapy versus SoC chemotherapy
Up to 60 months
Overall survival (OS) of tovorafenib monotherapy versus SoC chemotherapy
Up to 60 months
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
TovorafenibEXPERIMENTAL -
Investigator's choice of Standard of care therapyACTIVE_COMPARATOR -
Arm 1: Low-Grade GliomaEXPERIMENTALParticipants with recurrent or progressive low-grade glioma will receive 420 milligrams/meters square (mg/m\^2) of tovorafenib weekly according to dose rounding guidelines and according to their baseline body surface area (BSA).
Arm 2: Low-Grade Glioma Expanded AccessEXPERIMENTALParticipants with recurrent or progressive low-grade glioma will receive 420 mg/m\^2 of tovorafenib weekly according to dose rounding guidelines and according to their baseline BSA.
Arm 3: Advanced Solid TumorEXPERIMENTALParticipants with advanced solid tumors will receive 420 mg/m\^2) of tovorafenib weekly according to dose rounding guidelines and according to their baseline BSA.
Interventions
NameTypeDescription
TovorafenibDRUGOral Tablet Powder for Oral Suspension
Chemotherapeutic AgentDRUGIntravenous solution for injection
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Eligibility Criteria
Age RangeN/A — 25 Years
SexALL
Healthy VolunteersNo
Study Sites138

Inclusion Criteria: * Less than 25 years of age with LGG with known activating RAF alteration. * Histopathologic diagnosis of glioma or glioneuronal tumor. * At least one measurable lesion as defined by RANO criteria. * Meet indication for first-line systemic therapy. Exclusion Criteria: * Partic...

Countries:United StatesAustraliaAustriaBelgiumBrazilCanadaCzechiaDenmarkEgyptFinlandFranceGermanyGreeceHungaryIrelandIsraelItalyJordanNetherlandsNew ZealandNorwayQatarSingaporeSloveniaSouth KoreaSpainSwedenSwitzerlandTaiwanUnited Kingdom
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT04775485primaryCompletionDate: changed
MEDIUMMay 26, 2026NCT05566795Status: RECRUITING → ACTIVE_NOT_RECRUITING
LOWMay 24, 2026NCT04775485studyFirstPostDate: changed
LOWMay 24, 2026NCT05566795studyFirstPostDate: changed