Studying the Presence of CFRD Complications With Thoughtful Recruitment (SPeCTRuM)

Summary

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.

Eligibility

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.

Conditions9

Locations18 sites

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