Purpose

This multicenter cross-sectional study will include a diverse population of adolescents and adults with CF. The overall Aim is to describe prevalence of diabetes microvascular complications and macrovascular surrogates in people with established CFRD.

Conditions

Eligibility

Eligible Ages
Over 12 Years
Eligible Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Written informed consent (and assent when applicable) obtained from participant or participant's legally authorized representative - For Adults: Must be able to consent on one own's behalf (i.e., cannot lack cognitive capacity to consent due to the required patient-reported outcomes) - Be willing and able to adhere to the study protocol requirements - Age ≥ 12 years at time of enrollment - CF diagnosis based on two CF causing mutations and/or positive sweat test according to CFF diagnostic criteria - CFRD diagnosis ≥ 5 years at time of enrollment

Exclusion Criteria

  • History of any illness or condition that, in the opinion of the investigator might confound the results of the study or pose an additional risk to the subject - History of transplant - Pregnancy reported by participant at time of consent or at any point during active study participation Pulse Wave Velocity Exclusion Criteria: - Erratic, accelerated or mechanically controlled irregular heart rhythms including arrhythmias - Carotid or aortic valve stenosis - Peripheral artery disease or leg artery disease - Generalized constriction or localized spasm of muscular conduit arteries such as seen immediately after hypothermic cardiopulmonary bypass surgery or accompanying Raynaud's phenomena or intense cold. - Possible exclusions based on investigator medical provider assessment (additional precautions may be followed to allow inclusion): - Pressure reading should not be conducted on a limb where there is intravenous access, arterio-venous shunt, or where circulation is compromised. - Pressure reading should not be conducted on the side of the body that a mastectomy was done.

Study Design

Phase
Study Type
Observational
Observational Model
Cohort
Time Perspective
Cross-Sectional

Arm Groups

ArmDescriptionAssigned Intervention
Individuals with Cystic Fibrosis-Related Diabetes Individuals diagnosed with Cystic Fibrosis-Related Diabetes for more than 5 years before enrollment
  • Other: observational study
    This is an observational study.

Recruiting Locations

The University of Texas Health Science Center at San Antonio
San Antonio 4726206, Texas 4736286 78229
Contact:
Maria Rayas, MD
210-567-5283
rayas@uthscsa.edu

More Details

Status
Recruiting
Sponsor
Jaeb Center for Health Research

Study Contact

Judy Sibayan, MPH, CCRP
813-975-8690
jsibayan@jaeb.org

Notice

Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.