RecruitingPhase 2NCT07062588

Osteogenesis Imperfecta Trial of AGA2115 for ADUlts With COL1A1 and/or COL1A2 GeNetic Variations (IDUN)

A Phase 2, Multi-center, Randomized, Double-blind, Placebo-controlled, Dose-ranging Study to Evaluate the Safety and Efficacy of AGA2115 in Adults With Type I, III, or IV Osteogenesis Imperfecta (OI)


Sponsor

Angitia Incorporated Limited

Enrollment

80 participants

Start Date

Dec 12, 2025

Study Type

INTERVENTIONAL

Conditions

Summary

This study will determine the effect of treatment of AGA2115 in adults with Type I, III, or IV osteogenesis imperfecta versus placebo.


Eligibility

Min Age: 18 YearsMax Age: 75 Years

Inclusion Criteria3

  • Male or female adults (aged 18 to 75 years inclusive) with a clinical diagnosis of osteogenesis imperfecta Type I, III, or IV with documented genetic testing confirmation of genetic variations in the COL1A1 or COL1A2 genes
  • Capable of giving signed informed consent which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and in the protocol
  • BMD T-score of ≤ -1.0 at the lumbar spine, total hip, or femoral neck

Exclusion Criteria12

  • Vitamin D deficiency
  • Concomitant uncontrolled diseases or conditions that could affect bone metabolism such as hypo-/hyperparathyroidism, hypo-/hyperthyroidism, abnormal thyroid function or thyroid disease, or other endocrine disorders
  • Current hyper- or hypocalcemia
  • History of rickets or osteomalacia or any skeletal condition (other than OI) leading to long-bone deformities and/or increased risk of fractures
  • Treatment with bisphosphonates within the past 6 months
  • Treatment with teriparatide, abaloparatide, strontium ranelate, or hormone replacement therapy within the past 12 months
  • Treatment with denosumab (or denosumab biosimilars) within the past 2 years
  • Treatment with anti-sclerostin antibody medications (romosozumab, setrusumab, blosozumab) at any time
  • History of myocardial infarction or stroke (or other cardiovascular associated event deemed significant) within the past 12 months
  • Malignancy within the last 5 years
  • Pregnant or breastfeeding women, or women planning to become pregnant during the study
  • Participation in any clinical study within the past 12 months during which the participant was administered any IP (participant must also agree not to enroll in any other clinical study concurrently in which IP is administered)

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Interventions

DRUGAGA2115

Subcutaneous injection

OTHERPlacebo

Subcutaneous injection


Locations(26)

Phoenix Children's

Phoenix, Arizona, United States

Yale University School of Medicine

New Haven, Connecticut, United States

Nemours/Alfred I. duPont Hospital for Children

Wilmington, Delaware, United States

Indiana University School of Medicine, Department of Medicine and Pediatrics Division of Endocrinology

Indianapolis, Indiana, United States

Washington University School of Medicine in St. Louis

St Louis, Missouri, United States

University of Nebraska Medical Center (UNMC) - Diabetes and Endocrinology Center

Omaha, Nebraska, United States

New Mexico Clinical Research & Osteoporosis Center, Inc. (NMCROC)

Albuquerque, New Mexico, United States

The Ohio State University Wexner Medical Center (OSUWMC)

Columbus, Ohio, United States

Oregon Health & Science University (OHSU) - The Harold Schnitzer Diabetes Health Center (HSDHC) - Endocrinology Clinic

Portland, Oregon, United States

Vanderbilt University Medical Center (VUMC) - Eskind Diabetes Clinic

Nashville, Tennessee, United States

Instituto de Investigaciones Metabolicas Dr. Zanchetta - Sede Centro

Buenos Aires, Argentina

Monash University-Monash Medical Centre (MMC)

Melbourne, Australia

Royal Melbourne Hospital

Parkville, Australia

Royal North Shore Hospital (RNSH)

Saint Leonards, Australia

Adults Westmead Hospital

Westmead, Australia

University Health Network - Toronto General Hospital - Osteoporosis Clinic

Toronto, Ontario, Canada

Aarhus Universitetshospital - Medicinsk Endokrinologisk Afdeling (MEA) Ambulatoriet - Tage-Hansens Gade

Aarhus, Denmark

Odense Universitetshospital

Odense, Denmark

Hopital Edouard Herriot

Lyon, France

Assistance Publique-Hopitaux de Paris (AP-HP) - Hopital Lariboisiere

Paris, France

Leiden University Medical Center (LUMC) - Centrum voor botkwaliteit

Leiden, Netherlands

Erasmus MC

Rotterdam, Netherlands

Isala ziekenhuizen

Zwolle, Netherlands

Cambridge University Hospitals NHS Foundation Trust-Addenbrooke's Hospital

Cambridge, United Kingdom

Lothian Health Board, Western General Hospital

Edinburgh, United Kingdom

Royal National Orthopaedic Hospital NHS Trust

London, United Kingdom

View Full Details on ClinicalTrials.gov

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NCT07062588


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