NCT06188247

Brief Summary

This is an investigator-initiated virtual (or decentralized) trial that includes a postal parcel (mail-in) containing sensors for SA diagnosis (NightOwl™) and physical activity (SENS Motion), in addition to smart-phone based heart rhythm (FibriCheck) monitoring in participants with paroxysmal or persistent AF. A case-coordinator (the investigators) will manage all participant contacts virtually during the study from inclusion to follow-up.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
25

participants targeted

Target at below P25 for not_applicable atrial-fibrillation

Timeline
Completed

Started Dec 2023

Shorter than P25 for not_applicable atrial-fibrillation

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

December 1, 2023

Completed
17 days until next milestone

First Submitted

Initial submission to the registry

December 18, 2023

Completed
16 days until next milestone

First Posted

Study publicly available on registry

January 3, 2024

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2024

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2024

Completed
Last Updated

January 29, 2025

Status Verified

January 1, 2024

Enrollment Period

7 months

First QC Date

December 18, 2023

Last Update Submit

January 26, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Drop-outs

    The primary outcome of this pilot trial is the percentage of drop-outs (defined as not completing the 12 week study period) in participants given informed consent and having received the mail-in package.

    3 months

Interventions

The NightOwl™ system consists of a small sensor device which is placed on the fingertip and a smartphone app that is connected to an encrypted cloud-based analytics platform within the European Union, the NightOwl™ software. The sensor is self-applied by attaching the sensor to the fingertip by means of an adhesive patch. The NightOwl™ sensor acquires accelerometer data and reflectance-based photoplethysmography (PPG) from which it derives actigraphy (sleep/wake behavior), SpO2, peripheral artery tone (PAT) and pulse rate, among other features. A PAT analysis derives changes in caliber of arteries elicited by alterations in the contractile activity of vascular smooth muscle and are referred to as changes in arterial tone. The end state of the apnea-hypopnea events are associated with sympathetic activation.

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age\>18 years
  • Established paroxysmal or persistent AF diagnosis
  • Owning a compatible smartphone (or accepting a smart phone provided by the investigators)
  • Understanding of potential SA treatment possibilities including CPAP treatment

You may not qualify if:

  • Previous investigation for sleep-disturbed breathing
  • Advanced heart failure (left ventricular dysfunction and NYHA III/IV)
  • Occupational driver licenses
  • Pregnancy
  • Doxazosin or Terazosin (alpha-adrenergic antagonists)
  • Peripheral arterial disease with daily intermittent claudication

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Herlev and Gentofte Hospital

Gentofte Municipality, Denmark

Location

Related Publications (1)

  • Hashiba M, Al-Alak A, Nielsen SK, Kayser L, Nouhravesh N, Elmegaard M, El-Chouli M, Risom S, Frandsen RAV, Jennum P, Lamberts M. Feasibility of a decentralised trial of sleep apnoea screening in patients with atrial fibrillation. Dan Med J. 2025 Oct 2;72(11):A12240892. doi: 10.61409/A12240892.

MeSH Terms

Conditions

Atrial FibrillationSleep Apnea Syndromes

Condition Hierarchy (Ancestors)

Arrhythmias, CardiacHeart DiseasesCardiovascular DiseasesPathologic ProcessesPathological Conditions, Signs and SymptomsApneaRespiration DisordersRespiratory Tract DiseasesSleep Disorders, IntrinsicDyssomniasSleep Wake DisordersNervous System Diseases

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
OTHER
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor

Study Record Dates

First Submitted

December 18, 2023

First Posted

January 3, 2024

Study Start

December 1, 2023

Primary Completion

July 1, 2024

Study Completion

August 1, 2024

Last Updated

January 29, 2025

Record last verified: 2024-01

Data Sharing

IPD Sharing
Will not share

Locations