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Completed No phase listed Observational

Genetic Modifiers of Cystic Fibrosis: Sibling Study

ClinicalTrials.gov ID: NCT00037778

Public ClinicalTrials.gov record NCT00037778. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jun 25, 2026, 10:42 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Study identification

NCT ID
NCT00037778
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Johns Hopkins University
Other
Enrollment
3,459 participants

Conditions and interventions

Interventions

Not listed

Eligibility (public fields only)

Age range
Up to 100 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 31, 2001
Primary completion
Jan 31, 2013
Completion
Jan 31, 2013
Last update posted
Aug 30, 2016

2001 – 2013

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Johns Hopkins University Baltimore Maryland 21287

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00037778, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Aug 30, 2016 · Synced Jun 25, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00037778 live on ClinicalTrials.gov.

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