Creating a questionnaire to assess abdominal issues in cystic fibrosis patients

Evaluation and Validation of a New Questionnaire to Identify and Quantify Abdominal Symptoms in Patients With Cystic Fibrosis Following FDA Guidelines: the CF Abd-Score (Primarily Named JenAbdomen-CF Score)

Observational Medizinische Hochschule Brandenburg Theodor Fontane · NCT03052283

This study is trying to create a new questionnaire to help cystic fibrosis patients report their abdominal issues so that doctors can better understand and treat them.

Quick facts

Study typeObservational
Enrollment2000 (estimated)
SexAll
SponsorMedizinische Hochschule Brandenburg Theodor Fontane Academic / other
Locations2 sites (Brandenburg an der Havel and 1 other locations)
Trial IDNCT03052283 on ClinicalTrials.gov

What this trial studies

This study focuses on developing and validating a new patient-reported outcome measure (PROM) specifically designed to assess abdominal involvement in individuals with cystic fibrosis (CF). The CFAbd-Score will be created through a collaborative process involving CF patients, their families, and healthcare professionals. The study will evaluate the reliability, reproducibility, and responsiveness of the questionnaire, as well as its applicability across different age groups and CF centers. Additionally, the study aims to adapt the CFAbd-Score for use in various countries and languages.

Who should consider this trial

Good fit: Ideal candidates include individuals diagnosed with cystic fibrosis and age-matched healthy controls.

Not a fit: Patients with other diseases causing abdominal symptoms, such as inflammatory bowel disease or celiac disease, may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a standardized tool for better monitoring and management of abdominal symptoms in cystic fibrosis patients.

How similar studies have performed: Other studies have successfully developed disease-specific PROMs, indicating a promising approach for this novel tool.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

CF cohort:

Diagnosis of CF determined by

* a sweat chloride of \>60 mEq/L and/or
* detection of 2 disease causing CFTR mutations with evidence of organ involvement.

Healthy controls:

* Age-matched

Exclusion Criteria:

CF cohort:

* Lacking ability to cooperate of patients /their families, respectively

Healthy controls:

* Other diseases causing abdominal symptoms (Inflammatory bowel disease (IBD), alpha 1 antitrypsin deficiency, celiac disease, food allergy, gastroenteritis, etc.)

Where this trial is running

Brandenburg an der Havel and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Cystic FibrosisCystic fibrosisAbdomenPancreasLiverGutSymptom ScorePatient reported outcome measure
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.