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A Study to Assess Growth in Children With Idiopathic Short Stature

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Trial Status Recruiting

Trial Identifier

NCT06309979

Condition

Idiopathic Short Stature

The below information is taken directly from public registry websites such as ClinicalTrials.gov, EuClinicalTrials.eu, ISRCTN.com, etc. and has not been edited.

Trial Summary

Study 111-903 will generate baseline growth data in children with ISS by collecting growth measurements and other variables of interest.

Eligibility Criteria

Birth Sex

All

Age

2 Years to 16 Years

Healthy Volunteers

No

Study Type:

Observational

Number of Participants:

300

Study Started:

2024-08-08

Study Updated:

2025-11-14

Trial Locations

Inclusion Criteria

1. Participants must be > 2 years old, and ≤ 14 years old (female) or ≤ 16 years old (males) at the time of signing the informed consent.
2. A height assessment corresponding to a height Z-score of ≤ -2.25 SDs in reference to the general population of the same age and sex, as calculated using the Centers for Disease Control and Prevention (CDC) growth chart (https://www.cdc.gov/growthcharts/zscore.htm).
3. Participants who have either never received hGH, or who are currently receiving hGH treatment.
4. Historic stimulation test result with serum or plasma GH level greater than 10 μg/L.
5. Parent(s) or guardian(s) are willing and able to provide written, signed informed consent.

Exclusion Criteria

1. Diagnosis of systemic disease or condition that may cause short stature, eg renal, neoplastic, pulmonary, cardiac, gastrointestinal, immunologic and metabolic disease. Children with such diagnoses can be considered for inclusion if their condition is well controlled, at the discretion of the Medical Monitor.
2. Known presence of one or more pituitary hormone deficiencies
3. Bone age advanced over chronological age by more than 3 years.
4. For hGH naïve participants, historic stimulation test result with serum or plasma GH level greater than 10 μg/L or serum IGF-1 in the normal range for age (between -1.00 SDs and +2.00 SDs).
5. For participants currently on hGH treatment, historic results before GH treatment of stimulation test with serum or plasma GH level greater than 10 μg/L or serum IGF-1 test between -1.00 SDs and +2.00 SDs.
6. Have received an investigational product (IP) or investigational medical device for any purpose within 6 months before the Screening visit. .

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