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This is a randomized, double-blinded, Placebo controlled trial with a 3-part treatment period that will evaluate the efficacy and safety of up to 70 weeks of treatment with tildacerfont in subjects with classic Congenital adrenal hyperplasia (CAH) who have elevated blood hormones at baseline

A Randomized, Double-Blind, Placebo-Controlled, Dose-Ranging Study to Evaluate the Efficacy and Safety of SPR001 (Tildacerfont) in Adult Subjects with Classic Congenital Adrenal Hyperplasia - Efficacy and Safety of Tildacerfont in Adult Subjects with Classic Congenital Adrenal Hyperplasia

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2019-004764-22-NL
Enrollment
72
Registered
2020-07-01
Start date
2020-10-15
Completion date
Unknown
Last updated
2024-04-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Classic Congenital Adrenal Hyperplasia MedDRA version: 20.0 Level: LLT Classification code 10010323 Term: Congenital adrenal hyperplasia System Organ Class: 100000004850

Interventions

Sponsors

Spruce Biosciences, Inc.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Male and female subjects = 18 years old at screening 2.Has a known childhood diagnosis of classic CAH due to 21-hydroxylase deficiency based on genetic mutation in CYP21A2 and/or documented (at any time) elevated 17-OHP and currently treated with HC, HC acetate, prednisone, prednisolone, methylprednisolone (or a combination of the aforementioned GCs) 3.For subjects with the salt-wasting form of CAH, the subject is on a stable dose of mineralocorticoid replacement for =1 month before screening 4.Agrees to follow contraception guidelines. Male subjects must also agree to refrain from donating sperm throughout the treatment period and for 90 days after the last dose of study drug. 5. Is able to understand all study procedures and risks involved and provides written informed consent indicating willingness to comply with all aspects of the protocol Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 67 F.1.3 Elderly (>=65 years) no F.1.3.1 Number of subjects for this age range 5

Exclusion criteria

Exclusion criteria: 1.Has a known or suspected diagnosis of any other known form of classic CAH (not due to 21-hydroxylase deficiency) 2.Has a history that includes bilateral adrenalectomy or hypopituitarism 3.Has a history of allergy or hypersensitivity to tildacerfont, or any of its excipients or any other CRF1 receptor antagonist 4.Current treatment with dexamethasone as GC therapy for CAH 5.Is not adherent to GC or study drug dosing regimen during the Run-in Period (defined as taking 12 for either depression or anxiety at screening or Week 6 9. Has clinically significant abnormal ECG or clinical laboratory results. 10. Routinely works overnight shifts 11. Subjects with travel plans/work schedules that result in significant and frequent changes in time zones (>2 hours) will require Medical Monitor approval for enrollment 12.Females who are pregnant or nursing 13.Use of any other investigational drug from 30 days or 5 half-lives (whichever is longer) before screening to the end of the study 14.Use of the following drugs from 30 days or 5 half-lives (whichever is longer) before Day 1 to the end of the study a.rosiglitazone, aromatase inhibitors, testosterone, or growth hormones or any other medication or supplement that could impact subject safety or confound interpretation of study results b.drugs listed in section 13.1 15.Donation or receipt of blood from 90 days before Screening to the end of the study; donation or receipt of platelets, white blood cells, or plasma from 30 days before Screening to the end of the study

Design outcomes

Primary

MeasureTime frame
Main Objective: To evaluate the effect of tildacerfont in reducing A4 in subjects with CAH over 12 weeks;Secondary Objective: •To evaluate the effect of tildacerfont on A4 levels in subjects with CAH over 12 weeks •To evaluate the effect of tildacerfont on 17-OHP levels in subjects with CAH over 12 weeks •To evaluate the effect of tildacerfonr in reducing TART(s) in male CAH subjects with TART(s) at baseline after 12 weeks on treatment;Primary end point(s): Percent change from baseline in A4 after 12 weeks on treatment (Week 18);Timepoint(s) of evaluation of this end point: Subjects blood will be collected at Baseline and Week 18.

Secondary

MeasureTime frame
Secondary end point(s): Proportion of subjects who achieve: • A4 = ULN after 12 weeks on treatment (Week 18) •17-OHP = 1200 ng/dL after 12 weeks on treatment (Week 18);Timepoint(s) of evaluation of this end point: Subjects blood will be collected at Baseline and Week 18.

Countries

Australia, Canada, Denmark, Estonia, Germany, Italy, Latvia, Lithuania, Netherlands, Poland, Spain, Sweden, Switzerland, Turkey, United Kingdom, United States

Contacts

Public ContactPamela Wedel

Spruce Biosciences, Inc.

pwedel@sprucebiosciences.com+1415655.4169

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026