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Paltusotine

Phase 3

Acromegaly | Small molecule | Endocrine |Crinetics Pharmaceuticals, Inc.|Last Updated: May 15, 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
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials5
Total Enrollment272
FDA Designations
No designations recorded
Clinical Trials (5)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05192382A Study to Evaluate the Safety and Efficacy of Paltusotine for the Treatment of Acromegaly (PATHFNDR-2)PHASE3 ACTIVE NOT_RECRUITING 111Dec 17, 2021Jan 1, 2028May 15, 202657 United States, Argentina +13
NCT04837040A Study to Evaluate the Safety and Efficacy of Paltusotine for the Treatment of AcromegalyPHASE3 ACTIVE NOT_RECRUITING 58May 12, 2021Jun 1, 2027May 15, 202639 United States, Argentina +12
NCT04261712A Study to Evaluate the Long-Term Safety and Efficacy of Paltusotine for the Treatment of Acromegaly (ACROBAT Advance)PHASE2 ACTIVE NOT_RECRUITING 43Jan 29, 2020Mar 1, 2028May 15, 202622 United States, Brazil +5
NCT03789656An Study to Evaluate the Safety and Efficacy of Paltusotine for the Treatment of Acromegaly (ACROBAT Edge)PHASE2 COMPLETED 47Mar 12, 2019Aug 31, 2020Feb 17, 202526 United States, Brazil +10
NCT03792555A Study to Evaluate the Safety and Efficacy of Paltusotine for the Treatment of Acromegaly (ACROBAT Evolve)PHASE2 COMPLETED 13Mar 11, 2019Aug 12, 2020Mar 17, 202511 United States, Brazil +6
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Study Endpoints
Primary Endpoints
Percentage of Participants With a Biochemical Response in Insulin-like Growth Factor-1 (IGF-1) at the End of the Randomized Control Phase (EOR)
Week 24

A value \>1.0 indicates IGF-1 levels above the age- and sex-adjusted ULN. Response is defined as an IGF-1 level ≤1.0×ULN based on the average of last 2 measurements.

Percentage of Participants Who Maintain Biochemical Response in IGF-1 (≤1.0× the Upper Limit of Normal [ULN]) at the End of the Randomized Control Phase (EOR)
36 Weeks

A value \>1.0 indicates IGF-1 levels above the age- and sex-adjusted ULN. Response is defined as an IGF-1 level ≤1.0×ULN based on the average of last 2 measurements (weeks 34 and 36).

Incidence of treatment-emergent adverse events (TEAEs) throughout the study
Week 316
Change From Baseline (Median of Screening Values) in Insulin-like Growth Factor-1 (IGF-1) Level
13 Weeks

Change from baseline in IGF-1 level at Week 13/End of Treatment (W13/EoT) in Group 1 subjects Efficacy Analysis Set (EAS).

Responder Criteria Was Based on the Mean of Two Consecutive Insulin-like Growth Factor-1 [IGF-1] Measurements ≤ULN at Week 13
13 Weeks

Proportion of subjects who meet responder criteria (based on the mean of two consecutive IGF-1 measurements ≤ upper limit of normal \[ULN\])

Secondary Endpoints
Change in IGF-1 From Baseline to EOT
Baseline to 24 weeks
Percentage of Participants Achieving IGF-1 <1.3×ULN at EOR
24 weeks
Percentage of Participants With Growth Hormone (GH) Concentration <1 ng/mL at Week 22
Week 22
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
PaltusotineEXPERIMENTAL -
PlaceboPLACEBO_COMPARATOR -
Interventions
NameTypeDescription
PaltusotineDRUGPaltusotine, tablets, once daily by mouth
PlaceboDRUGPlacebo, tablets, once daily by mouth
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites57

Inclusion Criteria: 1. Male and female subjects ≥18 years of age 2. Confirmed diagnosis of acromegaly and either medically naïve, not currently treated, or willing to washout during the study screening period. 3. Females must be non-pregnant and non-lactating, and either surgically sterile, post-me...

Countries:United StatesArgentinaBrazilBulgariaChinaFranceGermanyGreeceHungaryIndiaIsraelItalyPolandSpainUnited KingdomBelgiumPeruRussiaSerbiaNew ZealandRomaniaSlovakia
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT04261712primaryCompletionDate: changed
LOWMay 26, 2026NCT04837040primaryCompletionDate: changed
LOWMay 26, 2026NCT05192382primaryCompletionDate: changed
LOWMay 24, 2026NCT04261712studyFirstPostDate: changed
LOWMay 24, 2026NCT04837040studyFirstPostDate: changed
LOWMay 24, 2026NCT05192382studyFirstPostDate: changed