Radar Sleep Monitoring in Type 1 Narcolepsy: Feasibility
Feasibility Study of a Millimeter-Wave Radar Sleep Monitoring System in Patients With Type 1 Narcolepsy
This study aims to evaluate the clinical feasibility of a millimeter-wave radar sleep monitoring system in the diagnosis of Narcolepsy Type 1 (NT1). Narcolepsy is a chronic central nervous system sleep disorder characterized by excessive daytime sleepiness as its core symptom. NT1 is defined by the presence of cataplexy or reduced cerebrospinal fluid hypocretin-1 (Hcrt-1) levels. The current diagnostic gold standard relies on overnight polysomnography (PSG) and the Multiple Sleep Latency Test (MSLT); however, conventional methods are limited by complex operation, time-consuming procedures, high patient compliance demands, and poor scalability in primary care settings.
This prospective, single-center, concurrent validation study plans to enroll 40 clinically diagnosed NT1 patients. Participants will undergo simultaneous PSG/MSLT and millimeter-wave radar sleep monitoring. Using PSG/MSLT as the gold standard, we will assess the consistency and accuracy of the radar system in identifying core parameters, including mean sleep latency (MSL), sleep-onset rapid eye movement period (SOREMP) count, and sleep architecture, while also evaluating data integrity and patient compliance.
Key collected indicators include: demographic characteristics, clinical symptoms, Hcrt-1 levels, HLA genotyping, PSG parameters (total sleep time [TST], sleep efficiency [SE], sleep latency [SL], REM latency, SOREMP, sleep stage proportions, apnea-hypopnea index [AHI], periodic limb movement index [PLMI]), MSLT parameters (MSL, SOREMP count), and radar system parameters (TST, SL, SE, arousal frequency, etc.). Statistical analysis will be performed using SPSS 23.0. Normally distributed continuous variables will be analyzed using independent samples t-tests, non-normally distributed data using Mann-Whitney U tests, and categorical variables using chi-square tests.
The study duration is 7 months (May to December 2026). This research may provide a non-contact, convenient, and cost-effective alternative or supplementary monitoring approach for narcolepsy, promoting the application of outpatient and home-based sleep monitoring.
Aperçu de l'étude
Statut
Les conditions
Type d'étude
Inscription (Estimé)
Contacts et emplacements
Lieux d'étude
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Shaanxi
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Xi'an, Shaanxi, Chine
- First Affiliated Hospital of PLA Air Force Medical University
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Critères de participation
Critère d'éligibilité
Âges éligibles pour étudier
- Enfant
- Adulte
- Adulte plus âgé
Accepte les volontaires sains
Méthode d'échantillonnage
Population étudiée
La description
Inclusion Criteria:
- Diagnosed by a doctor with type 1 narcolepsy；
- Can complete two sleep tests: one full night (7 hours in bed) and daytime nap tests the next day (about 10 hours total)；
- Agree to have a small radar device placed near the bed to record sleep alongside the regular tests, and keep it on throughout；
- Medical records are complete and available；
- You (and your parent/guardian if under 18) agree and sign the consent form.
Exclusion Criteria:
- Not willing to sign the consent form；
- Have irregular sleep hours (e.g., night shifts, recent travel across time zones) or cannot follow the testing schedule to complete all tests；
- Toss and turn too much, get out of bed often, or have too much interference around, causing the radar device to lose signals or record poor-quality data that cannot be analyzed.
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
Cohortes et interventions
Groupe / Cohorte |
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narcolepsy group and control group
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Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Délai |
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Whether type 1 narcolepsy is present
Délai: The entire process, from enrollment to completion of assessments, takes one day.
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The entire process, from enrollment to completion of assessments, takes one day.
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Collaborateurs et enquêteurs
Parrainer
Publications et liens utiles
Publications générales
- Carskadon MA, Dement WC, Mitler MM, Roth T, Westbrook PR, Keenan S. Guidelines for the multiple sleep latency test (MSLT): a standard measure of sleepiness. Sleep. 1986 Dec;9(4):519-24. doi: 10.1093/sleep/9.4.519. No abstract available.
- [1] American Academy of Sleep Medicine. International classification of sleep disorders-third edition (ICSD-3)[M]. Darien IL: American Academy of Sleep Medicine, 2014
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude (Réel)
Achèvement primaire (Estimé)
Achèvement de l'étude (Estimé)
Dates d'inscription aux études
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première publication (Réel)
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Plus d'information
Termes liés à cette étude
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
- KY20262155-F-1
Plan pour les données individuelles des participants (IPD)
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Description du régime IPD
Informations sur les médicaments et les dispositifs, documents d'étude
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