Eligibility Module
The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.
Eligibility Module path is as follows:
Study -> Protocol Section -> Eligibility Module
Eligibility Module
Ignite Creation Date:
2025-12-25 @ 5:08 AM
Ignite Modification Date:
2025-12-25 @ 5:08 AM
NCT ID:
NCT02959827
Eligibility Criteria:
Inclusion Criteria:
* Children under age 4 in the Kaiser Permanente Northern California (KPNC) database, who had a diagnostic procedure with an iodinated contrast agent.
* Participants should be member of the KPNC for at least 3 months before the iodinated contrast exposure, except where the child is under 3 months of age at time of initial exposure, and 2 weeks after the exposure.
Exclusion Criteria:
* Diagnosis of hypothyroid any time prior to the iodine contrast exposure.
* Lab values for low thyroid (TSH \> 5 mU/L for children) any time before the exposure
* Thyroid replacement therapy, Hashimoto thyroiditis, or congenital hypothyroidism any time prior to exposure.
Healthy Volunteers:
False
Sex:
ALL
Maximum Age:
3 Years
Study:
NCT02959827
Study Brief:
Protocol Section:
NCT02959827