Natural History of the Collagen-Related Disorder Osteogenesis Imperfecta and Genotype Phenotype Correlation

  • STATUS
    Recruiting
  • End date
    Dec 31, 2029
  • participants needed
    125
  • sponsor
    Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Updated on 30 June 2022
computed tomography
x-rays
probe
autosomal dominant
bone mineral density
short stature
bone density scan
hearing test
connective tissue disorder
col1a2
bowing of the long bones
breathing tests
dental exam
col1a1

Summary

Background

Osteogenesis Imperfecta (OI) is a connective tissue disorder. OI affects many aspects of a person s health and growth. It can cause frequent fractures, short stature, and bowing of the long bones. There is no known cure for OI so researchers want to learn more about it.

Objectives

To obtain a natural history of the course of OI. To find changes in genes that affect the disease.

Eligibility

People from birth to age 12 years with certain types of OI

People who previously had childhood data collected in certain other protocols

Design

Participants will stay in the clinic for a few days each visit. Visits will be about every 3-4 months to age 5 then about every 6-12 months. Visits may include:

Medical history

Physical exam

Hearing test

Dental exam

Blood, urine, and heart tests

Breathing measured while wearing a clear plastic hood for about 30 minutes

Tests of motion, strength, and motor skills

X-rays of the left hand, chest, legs, and spine

Bone density scan. Participants will lie on a flat table while a very small dose of x-rays is passed through the body.

Computed tomography and magnetic resonance imaging scans. Participants will lie on an exam table that moves in and out a scanner.

Breathing tests using stickers on the chest, a light probe on a finger or foot, and a face mask

Ultrasound of the kidneys, ureters, and bladder

Questionnaires

A small section of skin removed from the arm or thigh

For some tests, participants may take medicine to make them sleepy.

Participants may give separate consent for photos to be taken.

Description

Description

This is a longitudinal study of the natural history of the collagen-related disorder osteogenesis imperfecta (OI), that includes enrolling new patients under the age of 12 years, along with an extended data collection from adult patients on whom previous childhood data was collected at the NIH.

Objectives

Primary Objectives: 1) Identify and monitor longitudinal functional outcomes of individuals with collagen and collagen-related disorders, with focuses on identifying underlying contributing factors and comorbidities for scoliosis; gaining insight into occurrence and progression of cardiac valvular abnormalities; pathogenesis of primary lung parenchymal defects; and establish novel data relating to metabolism in OI and its relationship to obesity. 2) Correlate genotypic and phenotypic expression. 3) Identify genetic factors that modify the severity of clinical expression

Secondary Objectives: Adapt and develop standard of care management guidelines for individuals with collagen and collagen-related disorders.

Endpoints

Primary Endpoints: 1) Clinical course, underlying pathogenesis, and comorbidities in the assessed systems in individuals with OI including for each focus: scoliosis progression across age, scoliosis progression relating to predictive factor, and scoliosis progression relating to mutation spectrum; time to development of valvular abnormality; development of pulmonary tissue abnormalities, presence/absence of pulmonary tissue abnormality, and time to development of pulmonary tissue abnormality; time to development of metabolic abnormality. 2) Correlation of phenotype relating to genotype. 3) Causes of morbidities in individuals with OI.

Secondary endpoints: Tolerability and feasibility of each measure of the clinical battery of assessments based on clinical observation.

Study Population:

Individuals previously enrolled in 97-CH-0064, or other NIH OI study protocols from whom childhood data were collected at the NIH. Or individuals from birth to age 12 years at enrollment with a diagnosis of OI type III XVIII and potential additional types to be identified by OI genetic mutations.

Details
Condition Osteogenesis Imperfecta, Short Stature
Clinical Study IdentifierNCT03575221
SponsorEunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Last Modified on30 June 2022

Eligibility

How to participate?

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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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