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A Study of Gene Therapy for Classic Congenital Adrenal Hyperplasia (CAH)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT04783181
Recruitment Status : Recruiting
First Posted : March 5, 2021
Last Update Posted : May 17, 2023
Sponsor:
Information provided by (Responsible Party):
Adrenas Therapeutics Inc

Study Description
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Brief Summary:
This study is designed to evaluate the safety, tolerability, and efficacy of AAV5 based BBP-631 in adult participants diagnosed with classic congenital adrenal hyperplasia.

Condition or disease Intervention/treatment Phase
Congenital Adrenal Hyperplasia Biological: AAV BBP-631 Phase 1 Phase 2

Detailed Description:
Participants will receive a single dose of AAV5 based intravenous (IV) BBP-631 and will be followed for safety and efficacy for at least 5 years after the date of treatment with BBP-631.
Study Design
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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 25 participants
Allocation: Non-Randomized
Intervention Model: Sequential Assignment
Intervention Model Description: Participants will be assigned sequentially to one of 3 dose levels depending on the date of determination of eligibility.
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase 1/2, First-in-Human, Open-Label, Dose-Escalation Study of the Safety and Efficacy of Gene Therapy for Congenital Adrenal Hyperplasia Through Administration of an Adeno-Associated Virus (AAV) Serotype 5-Based Recombinant Vector Encoding the Human CYP21A2 Gene
Actual Study Start Date : July 1, 2021
Estimated Primary Completion Date : June 2024
Estimated Study Completion Date : November 2028

Resource links provided by the National Library of Medicine


Arms and Interventions
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Arm Intervention/treatment
Experimental: Dose Level 1
BBP-631 lowest dose, administered once, intravenously (IV)
 Biological: AAV BBP-631
intravenous
Experimental: Dose Level 2
BBP-631 middle dose, administered once, IV
 Biological: AAV BBP-631
intravenous
Experimental: Dose Level 3
BBP-631, highest dose, administered once, IV
 Biological: AAV BBP-631
intravenous


Outcome Measures
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Primary Outcome Measures :
  1. Number of participants with Treatment-emergent Adverse Events that Led to Study Discontinuation [ Time Frame: up to 3 years ]
  2. To select the optimum dose or dose range of BBP 631 for future studies [ Time Frame: up to 3 years ]

Secondary Outcome Measures :
  1. Change from Baseline in 17-OHP (hydroxyprogesterone) levels [ Time Frame: Baseline, Week 52 ]
  2. Change from Baseline in endogenous cortisol levels [ Time Frame: Baseline, Week 52 ]
  3. Change from Baseline in androstenedione (A4) levels [ Time Frame: Baseline, Week 52 ]

Eligibility Criteria
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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Key Inclusion Criteria

  1. Adult male and non-pregnant females with classic CAH (simple virilizing or salt-wasting) due to 21-OHD
  2. Screening/baseline 17-OHP levels > 5-10 × ULN and < 40 × ULN (upper limit of normal)
  3. Stable oral hydrocortisone (HC) regimen as the only glucocorticoid (GC) maintenance therapy
  4. Naïve to prior gene therapy or AAV-mediated therapy

Key Exclusion Criteria

  1. Positive for anti-AAV5 (Adeno-Associated Virus Type 5) antibodies
  2. History of adrenalectomy and/or significant liver disease
Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04783181


Contacts
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Contact: Patient Advocacy 650-391-9740 ClinicalTrials@AdrenasTx.com

Locations
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United States, California
UCSF Benioff Children's Hospital, Oakland Recruiting
Oakland, California, United States, 94609
Contact: Alyssa Kohler    510-428-3885 ext 7442    Alyssa.Kohler@ucsf.edu   
Principal Investigator: Paul Harmatz, MD         
Sub-Investigator: Tariq E Ahmad, MD, FAAP         
United States, Illinois
Ann and Robert H. Lurie Children's Hospital of Chicago Recruiting
Chicago, Illinois, United States, 60611
Contact: Sarayu Ratnam    312-227-6617    sratnam@luriechildrens.org   
Contact    312-227-6090      
Principal Investigator: Courtney Finlayson, MD         
United States, Maryland
National Institutes of Health Clinical Center Recruiting
Bethesda, Maryland, United States, 20892-1932
Contact: Office of Patient Recruitment    800-411-1222    prpl@cc.nih.gov   
Contact: Elizabeth Joyal (Study Coordinator), CRNP    301-496-8542    ejoyal@nih.gov   
Principal Investigator: Deborah Merke, M.D., M.S.         
United States, Minnesota
University of Minnesota Recruiting
Minneapolis, Minnesota, United States, 55455
Contact: Coordinator Office    612-624-8672    saraf010@umn.edu   
Contact: Coordinator Office    612-626-7024      
Principal Investigator: Kyriakie Sarafoglou, M.D.         
United States, North Carolina
Lucas Research, Inc. Recruiting
Morehead City, North Carolina, United States, 28557
Contact: Crystal Gann, CCRC    252-222-5700 ext 135    crystal.gann@lucasresearch.org   
Principal Investigator: K. Jean Lucas, MD,FACP,FACE         
United States, Pennsylvania
Children's Hospital of Philadelphia Not yet recruiting
Philadelphia, Pennsylvania, United States, 19104
Contact: Sarah McCague    267-273-8077    mccagues@chop.edu   
Principal Investigator: Maria Vogiatzi, MD         
Sponsors and Collaborators
Adrenas Therapeutics Inc
More Information
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Additional Information:

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Responsible Party: Adrenas Therapeutics Inc
ClinicalTrials.gov Identifier: NCT04783181    
Other Study ID Numbers: CAH-301
First Posted: March 5, 2021    Key Record Dates
Last Update Posted: May 17, 2023
Last Verified: May 2023
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by Adrenas Therapeutics Inc:
CAH
Gene therapy
AAV
AAV5
Additional relevant MeSH terms:
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Adrenal Hyperplasia, Congenital
Adrenogenital Syndrome
Adrenocortical Hyperfunction
Hyperplasia
Pathologic Processes
Disorders of Sex Development
Urogenital Abnormalities
Female Urogenital Diseases
Female Urogenital Diseases and Pregnancy Complications
Urogenital Diseases
 Male Urogenital Diseases
Congenital Abnormalities
Genetic Diseases, Inborn
Steroid Metabolism, Inborn Errors
Metabolism, Inborn Errors
Metabolic Diseases
Adrenal Gland Diseases
Endocrine System Diseases
Gonadal Disorders