Pilot Study to Characterize and Examine the Pharmacokinetics and Efficacy of Chronocort® in Adults With CAH
A Phase 2 Pilot Study to Characterize and Examine the Pharmacokinetics and Disease Bio-marker Response of Chronocort® in Adults With Congenital Adrenal Hyperplasia
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 2
Contacts and Locations
Study Locations
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-
Maryland
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Bethesda, Maryland, United States, 20892-1932
- National Institutes of Health Clinical Center
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-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Known CAH due to 21-hydroxylase deficiency (classic CAH) based on hormonal and genetic testing currently treated with hydrocortisone, prednisone, prednisolone or dexamethasone on a stable dosage for a minimum of 3 months.
- Male or female patients aged 18 and above.
- Provision of signed written informed consent.
- Good general health.
- Females of childbearing potential must have a negative pregnancy test initially and at all visits. Females who are engaging in sexual intercourse must be using a medically acceptable method of contraception (as defined in the protocol, section 10.5).
- Plasma renin activity must be within the clinically acceptable range at screening (less than 1.5 times upper normal range).
Exclusion Criteria:
- Co-morbid condition requiring daily administration of a medication that induces hepatic enzymes or interferes with the metabolism of glucocorticoids.
- Clinical or biochemical evidence of hepatic or renal disease. Creatinine above the normal range or elevated liver function tests (ALT or AST) > 2 times the upper limits of normal.
- Females who are pregnant or lactating.
- Women taking an estrogen-containing oral contraceptive pill and who have taken it within 6 weeks of recruitment.
- Patients taking spironolactone.
- Patients on inhaled or oral steroids apart from treatment for CAH.
- Patients with any other significant medical or psychiatric conditions that in the opinion of the Investigator would preclude participation in the trial.
- Participation in another clinical trial of an investigational or licensed drug or device within the 3 months prior to inclusion in this study.
- Patients with history of bilateral adrenalectomy.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Hydrocortisone Modified Release Capsules
Chronocort Modified Release Capsules, 5mg, 10mg and 20mg Dosing frequency twice-daily (mane and nocte) Dose setting by titration to achieve optimal biochemical and therapeutic response
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Patients with congenital adrenal hyperplasia standardised on conventional therapy is enrolled onto the study and treatment is switched to Chronocort, initially for pharmacokinetic assessment followed by longer-term biochemical and efficacy assessment
Other Names:
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Pharmacokinetic Profile (Cmax) Following Short-term Treatment With Chronocort® in Adult Patients With Congenital Adrenal Hyperplasia
Time Frame: 24 hours
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The maximum plasma concentration (Cmax) of chronocort
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24 hours
|
|
Pharmacokinetic Profile (AUC0-24) Following Short-term Treatment With Chronocort® in Adult Patients With Congenital Adrenal Hyperplasia
Time Frame: 24 hours (at 2300, 0100, 0300, 0500, 0600, 0700, 0800, 0900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1900, 2100, 2300hrs)
|
Area under the curve (AUC) from 0 to 24 hours (sampling occurs at the following timepoints: 2300, 0100, 0300, 0500, 0600, 0700, 0800, 0900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1900, 2100, 2300hrs)
|
24 hours (at 2300, 0100, 0300, 0500, 0600, 0700, 0800, 0900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1900, 2100, 2300hrs)
|
|
Pharmacokinetic Profile (Tmax) Following Short-term Treatment With Chronocort® in Adult Patients With Congenital Adrenal Hyperplasia
Time Frame: 24 hours
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Time to maximum plasma concentration (tmax)
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24 hours
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Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
The Percentage of Patients With 17-OHP and Androstenedione Levels at 0700h Within Proposed Optimal Ranges Whilst on Chronocort and Whilst on Standard Therapy (at Baseline)
Time Frame: Specific time point (0700hrs)
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Proposed optimal ranges of 17-OHP: 300-1200ng/dl Proposed optimal ranges of androstenedione: 40-150ng.dl
for males and 30-200ng/dl for females
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Specific time point (0700hrs)
|
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17-OHP Levels at 0700h, 1700h and 2300h
Time Frame: Specified time points (0700h, 1700h and 2300h)
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17-OHP levels at 0700h, 1700h and 2300h
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Specified time points (0700h, 1700h and 2300h)
|
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Androstenedione Levels at 0700h, 1700h and 2300h
Time Frame: Specified time points (0700h, 1700h and 2300h)
|
Androstenedione levels at 0700h, 1700h and 2300h
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Specified time points (0700h, 1700h and 2300h)
|
|
ACTH Levels at 0700h, 1700h and 2300h
Time Frame: Specified time points (0700h, 1700h and 2300h)
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ACTH levels at 0700h, 1700h and 2300h
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Specified time points (0700h, 1700h and 2300h)
|
|
AUC Values (Nmol*h/L) for Androstenedione
Time Frame: Specific time points (2300-2300h, 2300-0700h, 0700-1500h and 1500-2300h)
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AUC values (nmol*h/L) for Androstenedione for the following reporting periods: 24 hours (2300-2300h), 2300-0700h, 0700-1500h and 1500-2300h
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Specific time points (2300-2300h, 2300-0700h, 0700-1500h and 1500-2300h)
|
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AUC Values (Nmol*h/L) for 17-OHP
Time Frame: Specific time points (2300-2300h, 2300-0700h, 0700-1500h and 1500-2300h)
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AUC values (nmol*h/L) for 17-OHP for the following reporting periods: 24 hours (2300-2300h), 2300-0700h, 0700-1500h and 1500-2300h
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Specific time points (2300-2300h, 2300-0700h, 0700-1500h and 1500-2300h)
|
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AUC Values (Pmol*h/L) for ACTH
Time Frame: Specific time points (2300-2300h, 2300-0700h, 0700-1500h and 1500-2300h)
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AUC values (pmol*h/L) for ACTH for the following reporting periods: 24 hours (2300-2300h), 2300-0700h, 0700-1500h and 1500-2300h
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Specific time points (2300-2300h, 2300-0700h, 0700-1500h and 1500-2300h)
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Collaborators and Investigators
Sponsor
Sponsor
Collaborators
Collaborators
Investigators
Investigators
- Principal Investigator: Deborah P Merke, BS, MS, MD, National Institutes of Health Clinical Center (CC)
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pathologic Processes
- Metabolic Diseases
- Gonadal Disorders
- Disorders of Sex Development
- Urogenital Abnormalities
- Congenital Abnormalities
- Genetic Diseases, Inborn
- Metabolism, Inborn Errors
- Adrenal Gland Diseases
- Steroid Metabolism, Inborn Errors
- Hyperplasia
- Endocrine System Diseases
- Adrenal Hyperplasia, Congenital
- Adrenogenital Syndrome
- Adrenocortical Hyperfunction
- Adrenal Insufficiency
- Anti-Inflammatory Agents
- Hydrocortisone
Other Study ID Numbers
Other Study ID Numbers
- DIUR-003
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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