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relacorilant

Phase 3

Cushing Syndrome | Small molecule | Endocrine |Corcept Therapeutics Incorporated|Last Updated: Apr 21, 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 Trials3
Total Enrollment307
FDA Designations
No designations recorded
Clinical Trials (3)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03697109A Study of the Efficacy and Safety of Relacorilant in Patients With Endogenous Cushing SyndromePHASE3 COMPLETED 152Nov 15, 2018Apr 15, 2024Jul 16, 202564 United States, Austria +9
NCT03604198Extension Study to Evaluate the Safety of Long-Term Use of Relacorilant in Patients With Cushing SyndromePHASE2 ACTIVE NOT_RECRUITING 125May 7, 2018Dec 1, 2026Apr 21, 202648 United States, Austria +8
NCT05347979Effect of Relacorilant on the Pharmacokinetics of the Sensitive P-glycoprotein Substrate Dabigatran Etexilate in Healthy ParticipantsPHASE1 COMPLETED 30May 25, 2022Jul 19, 2022Feb 9, 20231 United States
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Study Endpoints
Primary Endpoints
Number of Patients With Loss of Response With Respect to Hypertension During the RW Phase.
Week 22 (end of OL Phase) and Week 36 (Week 12 of RW Phase)

Loss of response with respect to HTN was measured using 6 criteria: 1) an increase in SBP of at least 5 mm Hg, 2) an increase in DBP of at least 5 mm Hg, 3) an increase in SBP and/or DBP of at least 5 mm Hg, 4) use of HTN rescue medication, 5) treatment discontinuation, and 6) missing 24-hour ambulatory blood pressure monitoring (ABPM) measurement at the end of the RW Phase. Blood pressure was measured using ABPM. Use of rescue medication was defined as any increase, modification, or addition of antihypertensive medication due to worsening HTN. Treatment discontinuation reports the number of patients who discontinued study treatment in the RW Phase for any reason.

Number of Patients With 1 or More Treatment-emergent Adverse Events (TEAEs) as Graded by CTCAE v5.0.
OL Phase: Up to 22 weeks; RW Phase: up to 18 weeks after completion of the OL Phase
Long-term safety of relacorilant
36 months

Number of participants with treatment-emergent adverse events (TEAEs)as assessed by CTCAE v4.0

Maximum Observed Plasma Concentration (Cmax) of Dabigatran When Administered With and Without Relacorilant
Up to Day 14
Area Under the Curve from Time 0 to the Time of Last Measurable Concentration (AUC0-last) of Dabigatran When Administered With and Without Relacorilant
Up to Day 14
Area Under the Curve from Time 0 Extrapolated to Infinity (AUC 0-inf) of Dabigatran When Administered With and Without Relacorilant
Up to Day 14
Secondary Endpoints
Change in Area Under the Concentration-time Curve of Blood Glucose (AUCglucose) During the RW Phase
Before and at time intervals up to 2 hours post glucose drink at Week 22 (end of OL Phase) and Week 36 (Week 12 of RW Phase)
Change in Hemoglobin HbA1c During the RW Phase
Week 22 (end of OL Phase) and Week 36 (Week 12 of RW Phase)
Change in 2-hour Plasma Glucose During the RW Phase
Before and 2 hours post glucose drink at Week 22 (end of OL Phase) and Week 36 (Week 12 of RW Phase)
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Study Design & Arms
AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Relacorilant (OL Phase)EXPERIMENTALPatients will receive relacorilant increased sequentially from 100 mg once daily to a maximum dose of 400 mg once daily.
Relacorilant (RW Phase)EXPERIMENTALPatients who meet any of the response criteria will advance to the RW Phase of the study and receive the same dose of relacorilant as the last dose administered in the OL Phase.
Placebo (RW Phase)PLACEBO_COMPARATORPatients who meet any of the response criteria will advance to the RW Phase of the study and receive placebo matched to study drug.
relacorilant (CORT125134)EXPERIMENTAL -
Dabigatran Etexilate (NIMP) and Relacorilant (IMP)EXPERIMENTALFollowing an overnight fast, participants will receive 75 mg dabigatran etexilate on Day 1, 400 mg dose of relacorilant QD on Days 3 to 13, and 75 mg dabigatran etexilate on Day 12. On Day 12, dabigatran etexilate will be dosed at approximately the same time as the relacorilant dose.
Interventions
NameTypeDescription
RelacorilantDRUGRelacorilant is supplied as 100 mg capsules for oral dosing.
PlaceboOTHERPlacebo matched to study drug
Dabigatran EtexilateDRUGDabigatran will be administered orally as a 75 mg capsule on Day 1 and Day 12.
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Eligibility Criteria
Age Range18 Years — 80 Years
SexALL
Healthy VolunteersNo
Study Sites64

Inclusion Criteria: * Has a confirmed diagnosis of endogenous Cushing syndrome * Meets at least 1 of the following criteria: * Has Type 2 diabetes mellitus * Has impaired glucose tolerance * Has hypertension. Exclusion Criteria: * Has non-endogenous source of hypercortisolism * Has uncontr...

Countries:United StatesAustriaBulgariaCanadaGermanyIsraelItalyNetherlandsPolandRomaniaSpain
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT03604198primaryCompletionDate: changed
LOWMay 24, 2026NCT03604198studyFirstPostDate: changed