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Miransertib

Phase 2

PIK3CA-Related Overgrowth Spectrum (PROS)/Proteus Syndrome (PS) | Small molecule | Other |Merck & Company, Inc.|Last Updated: Feb 7, 2025

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
UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment60
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04980872A Study of the Safety and Tolerability in Participants With PIK3CA-related Overgrowth Spectrum or Proteus Syndrome Who Are Being Treated With Miransertib (MK-7075) in Other Studies (MK-7075-006)PHASE2 ACTIVE NOT_RECRUITING 60Nov 2, 2021Feb 7, 2030Feb 7, 202511 United States, Australia +3
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Study Endpoints
Primary Endpoints
Number of participants experiencing a Serious Adverse Event (SAE)
Up to approximately 94 months

An SAE is defined as any untoward medical occurrence associated with the use of a drug in a participant, whether or not considered drug related. An SAE can therefore be any such event that results in death, is life-threatening, requires inpatient hospitalization or prolongation of existing hospitalizations, results in persistent or significant disability/incapacity, is a congenital anomaly/birth defect, or is considered by the investigator to be an important medical event.

Number of participants discontinuing study treatment due to an Adverse Event (AE)
Up to approximately 90 months

An AE is defined as any untoward medical occurrence associated with the use of a drug in a participant, whether or not considered drug related. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding, for example), symptom, or disease temporally associated with the use of a medicinal product and does not imply any judgment about causality.

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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
MiransertibEXPERIMENTALParticipants with either PROS or PS receive miransertib orally once daily between 5 and 35 mg/m\^2 based on prior approved dosing for up to 96 cycles. A cycle is 28 days long.
Interventions
NameTypeDescription
MiransertibDRUGMiransertib capsules administered orally either 1 hour before or 2 hours after a meal.
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Eligibility Criteria
Age Range2 Years — 120 Years
SexALL
Healthy VolunteersNo
Study Sites11

Inclusion Criteria: * Has PROS or PS and has been screened in Study MK-7075-002 (or has been approved by the Sponsor to screen for MK-7075-002) or is currently being treated with miransertib as part of Study MK-7075-002 (NCT03094832) or ArQule's CU/EAP (NCT03317366) * For males, agrees to be abstin...

Countries:United StatesAustraliaBrazilItalyUnited Kingdom
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT04980872primaryCompletionDate: changed
LOWMay 24, 2026NCT04980872studyFirstPostDate: changed