Cardiac Autonomic Dysfunction in Childhood Cancer Survivors

Status Suspended

Clinical Trial Summary

This study is being done to evaluate heart rate activity and sleep patterns, among participants in the Long-Term Follow-Up (LTFU) study. Primary Objective Using mobile health (mHealth) technologies in a large and well-characterized cohort of childhood cancer survivors, our primary objective is to understand the magnitude of increased risk of cardiac autonomic dysfunction by (a) comparing prevalence rates among survivors and siblings, and (b) determining the prevalence within specific subgroups of childhood cancer survivors defined by race, sex, cancer type and treatment exposures, and type and severity of chronic health conditions. Secondary Objectives Among long-term (≥5 years) survivors of childhood cancer (a) identify demographic, disease, treatment and cognitive-behavioral factors associated with an increased risk of cardiac autonomic dysfunction, (b) develop and validate risk prediction models for future clinical use in identifying individuals who may benefit from targeted interventions, and (c) investigate associations between dysfunction and perceived well-being.

Clinical Trial Description

Potential participants will be recruited by email and phone. Survivors who wish to participate will complete an online consent form and then a series of short questionnaires to determine study eligibility. This data collection will take place in DatStat Connect, which is the online consenting and data collection tool utilized for the CCSS. Consented/enrolled SJLIFE participants will receive a link via email to complete surveys related to autonomic functioning and current medical concerns and asked to schedule delivery of a WHOOP® strap prior kit prior to scheduling a device setup session with a team member. The kit will include the WHOOP® strap, brief instructions for setup, and prepaid return mailing materials. The WHOOP® strap will be shipped to the participant and each participant will complete a training session and app installation, if needed, and instructions regarding during of wear (two weeks) ;

Study Design

Related Conditions & MeSH terms

Autonomic Dysfunction
Autonomic Nervous System Diseases
Childhood Cancer
Primary Dysautonomias

Clinical Trial Details

NCT number	NCT05132673
Study type	Observational
Source	St. Jude Children's Research Hospital
Contact
Status	Suspended
Phase
Start date	January 2025
Completion date	July 1, 2026

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.