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Clinical Trials/NCT07536269
NCT07536269
Not yet recruiting
Phase 2

A Phase 2, Open-Label Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Crinecerfont in Pediatric Participants 3 Months to <4 Years of Age With Classic Congenital Adrenal Hyperplasia

Neurocrine Biosciences0 sites20 target enrollmentStarted: April 1, 2026Last updated:

Overview

Phase
Phase 2
Status
Not yet recruiting
Enrollment
20
Primary Endpoint
Number of Participants With Treatment-emergent Adverse Events (TEAE)

Overview

Brief Summary

The main objective of this study is to assess the safety and tolerability of crinecerfont in pediatric participants 3 months to <4 years of age with CAH.

Study Design

Study Type
Interventional
Allocation
Na
Intervention Model
Single Group
Primary Purpose
Treatment
Masking
None

Eligibility Criteria

Ages
3 Months to 47 Months (Child)
Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Have a medically confirmed diagnosis of classic CAH (salt wasting or simple virilizing) due to 21-hydroxylase deficiency (21-OHD)
  • Have received at least 3 months of hydrocortisone treatment before Day 1, with a stable dose for at least 4 weeks before screening.
  • Have a body weight of at least 4.5 kilograms (kg) at screening.
  • Have a newborn screen that is otherwise normal except for elevated 17-OHP or any other abnormality on newborn screen that was cleared upon evaluation by a pediatric specialist.

Exclusion Criteria

  • Have a known or suspected diagnosis of any of the other forms of classic CAH.
  • Have any condition besides CAH that requires chronic daily therapy with orally administered steroids.
  • Have any other clinically significant medical condition or chronic disease.
  • Note: Other protocol-defined inclusion and exclusion criteria may apply.

Arms & Interventions

Crinecerfont

Experimental

Participants with CAH will receive crinecerfont.

Intervention: Crinecerfont (Drug)

Outcomes

Primary Outcomes

Number of Participants With Treatment-emergent Adverse Events (TEAE)

Time Frame: Day 1 up to 28 weeks

Secondary Outcomes

No secondary outcomes reported

Investigators

Sponsor Class
Industry
Responsible Party
Sponsor

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