A Phase 2 Study to Evaluate the Safety, Efficacy and PK of Tildacerfont in Children Aged 2-17 Years With CAH

NCT ID: NCT05128942

Last Updated: 2025-12-24

Study Results

Results available

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Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE2

Total Enrollment

67 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-12-10

Study Completion Date

2025-01-31

Brief Summary

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An investigation of the safety and efficacy of tildacerfont in participants with CAH.

Detailed Description

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This is a Phase 2 open-label study with up to 10 cohorts that will evaluate the safety, efficacy, and PK of different tildacerfont dosing regimens potentially up to 200mg QD for 12 weeks in children with classic CAH, and up to 400mg BID for 4 weeks in children and adults with classic CAH.

Conditions

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Congenital Adrenal Hyperplasia 21-OHD

Keywords

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Pediatric CAH Adrenal Disorder Congenital Adrenal Hyperplasia

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SEQUENTIAL

Subjects will be assigned to treatment cohorts by age.
Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Cohort 1: Age 11-17 Treatment with Tildacerfont

50 mg daily for 12 consecutive weeks.

Group Type EXPERIMENTAL

Tildacerfont

Intervention Type DRUG

Oral tablet formulation taken once daily in combination with glucocorticoid therapy.

Cohort 2: Age 11-17 Treatment with Tildacerfont

200 mg daily for 12 consecutive weeks.

Group Type EXPERIMENTAL

Tildacerfont

Intervention Type DRUG

Oral tablet formulation taken once daily in combination with glucocorticoid therapy.

Cohort 3: Age 2-10 Treatment with Tildacerfont

50, 100, or 200 mg daily for 12 consecutive weeks.

Group Type EXPERIMENTAL

Tildacerfont

Intervention Type DRUG

Oral tablet formulation taken once daily in combination with glucocorticoid therapy.

Cohort 4: Age >/= 18 Treatment with Tildacerfont

200 mg twice daily for 4 consecutive weeks.

Group Type EXPERIMENTAL

Tildacerfont

Intervention Type DRUG

Oral tablet formulation taken once daily in combination with glucocorticoid therapy.

Cohort 5: Age >/= 18 Treatment with Tildacerfont

300 or 400 mg twice daily for 4 consecutive weeks.

Group Type EXPERIMENTAL

Tildacerfont

Intervention Type DRUG

Oral tablet formulation taken once daily in combination with glucocorticoid therapy.

Cohort 6: Age 11-17 Treatment with Tildacerfont

200 mg twice daily for 4 consecutive weeks.

Group Type EXPERIMENTAL

Tildacerfont

Intervention Type DRUG

Oral tablet formulation taken once daily in combination with glucocorticoid therapy.

Cohort 7: Age 2-10 Treatment with Tildacerfont

200 mg twice daily for 4 consecutive weeks.

Group Type EXPERIMENTAL

Tildacerfont

Intervention Type DRUG

Oral tablet formulation taken once daily in combination with glucocorticoid therapy.

Cohort 8: Age 11-17 Treatment with Tildacerfont

300 or 400 mg twice daily for 4 consecutive weeks.

Group Type EXPERIMENTAL

Tildacerfont

Intervention Type DRUG

Oral tablet formulation taken once daily in combination with glucocorticoid therapy.

Cohort 9: Age 2-10 Treatment with Tildacerfont

300 or 400 mg twice daily for 4 consecutive weeks.

Group Type EXPERIMENTAL

Tildacerfont

Intervention Type DRUG

Oral tablet formulation taken once daily in combination with glucocorticoid therapy.

Interventions

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Tildacerfont

Oral tablet formulation taken once daily in combination with glucocorticoid therapy.

Intervention Type DRUG

Other Intervention Names

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SPR001

Eligibility Criteria

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Inclusion Criteria

* Male and female subjects aged 2+
* Diagnosis of CAH due to 21-hydroxylase deficiency (OHD) and/or elevated 17- hydroxyprogesterone (OHP) requiring ongoing GC replacement since diagnosis
* Stable dose of GC replacement for at least 1 month prior to screening

Exclusion Criteria

* History of bilateral adrenalectomy or hypopituitarism
* Clinically significant unstable medical conditions, illness, or chronic diseases
* History of active bleeding disorders
Minimum Eligible Age

2 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Spruce Biosciences

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Will Charlton, MD

Role: STUDY_DIRECTOR

Spruce Biosciences

Locations

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Spruce Study Site

Sacramento, California, United States

Site Status

Spruce Study Site

San Diego, California, United States

Site Status

Spruce Study Site

Chicago, Illinois, United States

Site Status

Spruce Study Site

Minneapolis, Minnesota, United States

Site Status

Spruce Study Site

Buffalo, New York, United States

Site Status

Spruce Study Site

Providence, Rhode Island, United States

Site Status

Spruce Study Site

Columbia, South Carolina, United States

Site Status

Spruce Study Site

Dallas, Texas, United States

Site Status

Spruce Study Site

Edinburg, Texas, United States

Site Status

Spruce Study Site

Fort Worth, Texas, United States

Site Status

Spruce Study Site

Salt Lake City, Utah, United States

Site Status

Spruce Study Site

Charlottesville, Virginia, United States

Site Status

Spruce Study Site

Richmond, Virginia, United States

Site Status

Countries

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United States

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Document Type: Informed Consent Form

View Document

Other Identifiers

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SPR001-205

Identifier Type: -

Identifier Source: org_study_id