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Miricorilant

Phase 2

Antipsychotic-induced Weight Gain (AIWG) | Small molecule | Psychiatry |Corcept Therapeutics Incorporated|Last Updated: Jul 30, 2026

Target and mechanism

ModalitySmall molecule

Also known as Miricorilant (Cohort A)

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment71

FDA Designations

No designations recorded

Clinical trial landscape

Miricorilant · 7 trials · 9 indications

Phase 2 1Phase 1 6
NCT03818256A Study to Assess the Safety, Efficacy, and Pharmacokinetics of Miricorilant (CORT118335) in Obese Adults With Schizophrenia or Bipolar Disorder Treated With Antipsychotic MedicationsAntipsychotic-induced Weight Gain (AIWG)
COMPLETED71 Analytics
PHASE2COMPLETED
A Study to Assess the Safety, Efficacy, and Pharmacokinetics of Miricorilant (CORT118335) in Obese Adults With Schizophrenia or Bipolar Disorder Treated With Antipsychotic Medications
Antipsychotic-induced Weight Gain (AIWG)Unlock trial analytics

Study Endpoints

Primary Endpoints

Change From Baseline in Body Weight at Week 12 for 600 mg Miricorilant Versus Placebo
Baseline Day 1 and Week 12
Number of Patients With One or More Treatment-emergent Adverse Events
Up to Follow-up Visit (Week 16)
Number of Patients With One or More Treatment-emergent Serious Adverse Events
Up to Follow-up Visit (up to Week 16)
Number of Patients With One or More Treatment-emergent Adverse Events Leading to Early Study Discontinuation
Up to Follow-up Visit (up to Week 16)
Assessment of miricorilant PK parameters
Day 1- Day 4

Time to maximum concentration (Tmax)

Change in fasting hepatic lipogenesis after 6 weeks of treatment
Baseline to Week 6
Change in peak lipogenesis after 6 weeks of treatment.
Baseline to Week 6
Maximum observed plasma concentration of miricorilant (Cmax)
Pre-dose and 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 8, 12, 24, 48, and 72 hours post-dose on Days 1 and 10
Area under the curve from time zero to the time of last measurable plasma concentration of miricorilant (AUC0-last)
Pre-dose and 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 8, 12, 24, 48, and 72 hours post-dose on Days 1 and 10
Area under the curve from time zero extrapolated to infinity of plasma concentration of miricorilant (AUC0-inf)
Pre-dose and 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 8, 12, 24, 48, and 72 hours post-dose on Days 1 and 10
Area under the Concentration-Time Curve (AUC) from Time Zero to the Last Non-Zero Concentration (AUC 0-t)
Pre-dose and 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 8, 12, 24, 48, 72, 96, 120, and 144 hours post-dose
AUC from Time Zero to Infinity (AUC0-∞)
Pre-dose and 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 8, 12, 24, 48, 72, 96, 120, and 144 hours post-dose
Maximum Observed Plasma Concentration (Cmax)
Pre-dose and 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 8, 12, 24, 48, 72, 96, 120, and 144 hours post-dose
Relative change from Baseline in liver-fat content assessed by MRI-PDFF compared to Baseline.
Baseline Day 1 up to Week 24
Percentage of Participants with One or More Adverse Events
Up to 7±2 days after the last dose (up to approximately Day 9 for Cohort 1 and up to approximately Day 23 for Cohorts 2 and 3)
Percentage of Participants with One or More Serious Adverse Events
Up to 7±2 days after the last dose (up to approximately Day 9 for Cohort 1 and up to approximately Day 23 for Cohorts 2 and 3)
Percentage of Participants Discontinued from the Study due to an Adverse Event
Up to 7±2 days after the last dose (up to approximately Day 9 for Cohort 1 and up to approximately Day 23 for Cohorts 2 and 3)

Secondary Endpoints

Percentage of Patients Achieving More Than or Equal to 5% Weight Loss
Baseline Day 1 to Week 12
Change From Baseline in HOMA-IR at Week 12
Baseline Day 1 and Week 12
Change From Baseline in Waist-to-hip Ratio at Week 12
Baseline Day 1 and Week 12
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Miricorilant 600 mgEXPERIMENTALPatients who meet the entry criteria will be randomized to receive 600 mg miricorilant for 12 weeks.
PlaceboPLACEBO_COMPARATORPatients who meet the entry criteria will be randomized to receive placebo for 12 weeks.
Miricorilant 60mgEXPERIMENTALPatients who meet the entry criteria for study CORT118335-863 will be administered a single dose of 60 mg miricorilant.
Miricorilant- 100 mgEXPERIMENTALPatients who meet the entry criteria for study CORT118335-858 will be enrolled to receive 100 mg of miricorilant every day for 6 weeks.
Miricorilant - Fluvoxamine/MiricorilantEXPERIMENTALParticipants will receive a single oral dose of miricorilant 600 mg on Days 1 and 10 and a single oral dose of fluvoxamine 50 mg on Days 4 to 12.
No Hepatic ImpairmentEXPERIMENTALParticipants will receive a single oral dose of miricorilant (6 X100 mg) tablets.
Moderate Hepatic ImpairmentEXPERIMENTALParticipants will receive a single oral dose of miricorilant (6 X100 mg) tablets.
Mild Hepatic ImpairmentEXPERIMENTALParticipants will receive a single oral dose of miricorilant (6 X100 mg) tablets.
Cohort 1 - 150 mg of miricorilant for 24 weeksEXPERIMENTALPatients who meet the entry criteria for study CORT-118335-861 will be enrolled to receive miricorilant as a steady dose of 150 mg once daily, for 24 weeks.
Cohort 2 - 150 mg of miricorilant for 12 weeksEXPERIMENTALPatients who meet the entry criteria for study CORT-118335-861 will be enrolled to receive miricorilant as a steady dose of 150 mg once daily, for 12 weeks.
Cohort 3 - 100 mg daily miricorilant for 2 weeks, followed by 100 mg every MWF for 10 weeksEXPERIMENTALPatients who meet the entry criteria for study CORT-118335-861 will be enrolled to receive miricorilant as a steady dose of 100 mg once daily for 2 weeks, followed by 100 mg of miricorilant every Monday, Wednesday and Friday for 10 weeks.
Cohort 4 - 100 mg daily miricorilant for 2 weeks, followed by 100 mg every MF for 10 weeksEXPERIMENTALPatients who meet the entry criteria for study CORT-118335-861 will be enrolled to receive miricorilant as a steady dose of 100 mg once daily, for 2 weeks, followed by 100 mg of miricorilant every Monday and Friday for 10 weeks.
Cohort 5 - 100 mg of miricorilant every MWF for 12 weeksEXPERIMENTALPatients who meet the entry criteria for study CORT-118335-861 will be enrolled to receive miricorilant of 100 mg every Monday, Wednesday and Friday for 12 weeks.
Cohort 6 - 100 mg of miricorilant every MF for 12 weeksEXPERIMENTALPatients who meet the entry criteria for study CORT-118335-861 will be enrolled to receive miricorilant of 100 mg every Monday and Friday for 12 weeks.
Cohort 7 - 50 mg of miricorilant daily for 12 weeksEXPERIMENTALPatients who meet the entry criteria for study CORT-118335-861 will be enrolled to receive miricorilant as a steady dose of 50 mg once daily, for 12 weeks.
Cohort 8 - 100 mg of miricorilant daily for 12 weeksEXPERIMENTALPatients who meet the entry criteria for study CORT-118335-861 will be enrolled to receive miricorilant as a steady dose of 100 mg once daily, for 12 weeks.
Cohort 9 - 30 mg of miricorilant daily for 12 weeksEXPERIMENTALPatients who meet the entry criteria for study CORT-118335-861 will be enrolled to receive miricorilant as a steady dose of 30 mg once daily, for 12 weeks.
Cohort 10 - 200 mg of miricorilant once a week for 12 weeksEXPERIMENTALPatients who meet the entry criteria for study CORT-118335-861 will be enrolled to receive miricorilant as a steady dose of 200 mg once weekly, for 12 weeks.
Cohort 11 - 150 mg of miricorilant twice weekly for 12 weeksEXPERIMENTALPatients who meet the entry criteria for study CORT-118335-861 will be enrolled to receive miricorilant as a steady dose of 150 mg twice weekly for 12 weeks.
Cohort 1: Miricorilant 900 mg (Regimen A1)EXPERIMENTALParticipants will receive a single oral dose of miricorilant 900 mg (3 X 300 mg) after breakfast on Day 1. Cohort 1 treatment will be randomized and open label.
Cohort 1: Miricorilant 300 mg (Regimen A2)EXPERIMENTALParticipants will receive a single oral dose of miricorilant 300 mg (2 X 150 mg) after breakfast on Day 1. Cohort 1 treatment will be randomized and open label.
Cohort 2: Miricorilant (Regimen B1 and B2)EXPERIMENTALParticipants will receive a single oral dose of miricorilant 900 mg (6 X 150 mg) after breakfast on Day 1 (Regimen B1). After a minimum 7-day washout, participants will receive miricorilant 900 mg (6 X 150 mg) qd for 14 days (Regimen B2). Day 1 treatment in Regimen B2 will be in the fasted state; the remaining doses will follow breakfast. Cohort 2 treatments will be randomized and blinded.
Cohort 2: Placebo (Regimen B1 and B2)PLACEBO_COMPARATORParticipants will receive a single oral dose of placebo matching miricorilant 900 mg (6 X 150 mg) after breakfast on Day 1 (Regimen B1). After a minimum 7-day washout, participants will receive placebo matching miricorilant 900 mg (6 X 150 mg) qd for 14 days (Regimen B2). Day 1 treatment in Regimen B2 will be in the fasted state; the remaining doses will follow breakfast. Cohort 2 treatments will be randomized and blinded.
Cohort 3: Miricorilant (Regimen C1 and C2)EXPERIMENTALParticipants will receive two oral doses (morning and evening) of miricorilant 1350 mg (9 X 150 mg) after a meal on Day 1 (Regimen C1). After a minimum 7-day washout, participants will receive miricorilant 750 mg (5 X 150 mg) after breakfast for 14 days and miricorilant 600 mg (4 X 150 mg) in the evening after a meal for 13 days (Regimen C2). Cohort 3 treatments will be randomized and blinded.
Cohort 3: Placebo (Regimen C1 and C2)PLACEBO_COMPARATORParticipants will receive two oral doses (morning and evening) of placebo matching miricorilant 1350 mg (9 X 150 mg) after a meal on Day 1 (Regimen C1). After a minimum 7-day washout, participants will receive placebo matching miricorilant 750 mg (5 X 150 mg) after breakfast for 14 days and placebo matching miricorilant 600 mg (4 X 150 mg) in the evening after a meal for 13 days (Regimen C2). Cohort 3 treatments will be randomized and blinded.

Interventions

NameTypeDescription
MiricorilantDRUGMiricorilant 600 mg (6 X 100 mg tablets) for once-daily oral dosing
PlaceboDRUGPlacebo tablets for once-daily oral dosing
FluvoxamineDRUGFluvoxamine 50 mg tablet
Miricorilant 150 mgDRUGMiricorilant 150 mg for oral dosing
Miricorilant 100 mgDRUGMiricorilant 100 mg for oral dosing
Miricorilant 50 mgDRUGMiricorilant 50 mg for oral dosing
Miricorilant 10 mgDRUGMiricorilant 10 mg for oral dosing.
Miricorilant 300 mg tabletsDRUGMiricorilant 300 mg tablets for oral administration
Miricorilant 150 mg tabletsDRUGMiricorilant 150 mg tablets for oral administration
Placebo 150 mg tabletsDRUGPlacebo to match miricorilant 150 mg tablets for oral administration
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Eligibility Criteria

Age Range18 Years to 65 Years
SexALL
Healthy VolunteersNo
Study Sites27

Inclusion Criteria: * Have a diagnosis of schizophrenia or bipolar disorder * Are currently taking oral or injectable atypical antipsychotic medication (except clozapine) and must have documented weight gain while on these medications * Must be on a stable dose of medication for 1 month prior to Sc...

Countries:United StatesUnited Kingdom
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Recent Changes (Last 90 Days)

MEDIUMJul 30, 2026NCT06947304Status: RECRUITING → ACTIVE_NOT_RECRUITING
MEDIUMJul 30, 2026NCT06947304Status: RECRUITING → ACTIVE_NOT_RECRUITING

Frequently asked questions about Miricorilant

What is Miricorilant used for?

Miricorilant is an investigational small molecule being studied for metabolic conditions including Nonalcoholic Steatohepatitis (NASH), also known as Metabolic Dysfunction-Associated Steatohepatitis (MASH), as well as Antipsychotic-Induced Weight Gain (AIWG). It is in Phase 1 clinical development and is not approved by the FDA.

Who makes Miricorilant?

Miricorilant is being developed by Corcept Therapeutics Incorporated, a biopharmaceutical company traded on NASDAQ under the ticker CORT. The company is conducting Phase 1 clinical trials of Miricorilant in the United States for metabolic indications including NASH and antipsychotic-induced weight gain.

What phase is Miricorilant in?

Miricorilant is in Phase 1 clinical development. It is an investigational drug and has not been approved by the FDA. The development program includes completed and ongoing Phase 1 trials evaluating safety, pharmacokinetics, and effects on liver fat in patients with NASH and related metabolic conditions.

What clinical trials is Miricorilant in?

Miricorilant has been studied in several Phase 1 trials. NCT05117489 evaluated safety and efficacy in NASH patients. NCT05712265 studied effects of a CYP2C19 inhibitor on Miricorilant pharmacokinetics. NCT06947304 is evaluating effects on liver fat in MASLD patients. NCT07553663 is recruiting to evaluate pharmacokinetics and safety.

Is Miricorilant the same as Miricorilant (Cohort A)?

Yes, Miricorilant is also known as Miricorilant (Cohort A). This alternative name refers to the same investigational drug being developed by Corcept Therapeutics for metabolic conditions such as Nonalcoholic Steatohepatitis (NASH) and Antipsychotic-Induced Weight Gain.

How does Miricorilant work?

Miricorilant is a small molecule being developed for metabolic diseases. Its specific molecular target has not been disclosed in available clinical trial information. The drug is being studied for its effects on liver fat and metabolic parameters in conditions like NASH and antipsychotic-induced weight gain.