Epidemiology of Narcolepsy Type 1 and Type 2 in Spain
Recruiting now
Conditions studied: Narcolepsy Type 1, Narcolepsy Type 2
In brief
The main purpose of this study is to find out how many people in Spain have been diagnosed with narcolepsy type 1 and type 2, and how many new participants are diagnosed each year. Narcolepsy is a rare sleep disorder that causes excessive daytime sleepiness. The researchers will look at medical records from hospitals across Spain to count participants with these conditions and understand patterns in diagnosis over time.
Key facts
- Study ID
- NCT07299097
- Run by
- Takeda
- People needed
- 100
- Starts
- 2025-12-02
- Expected to finish
- 2026-07-31
- Last updated by the study team
- 2026-05-15
Who can join
Age: any. Sex: any. Healthy volunteers: not accepted.
You may qualify if…
- Participants with NT1 or NT2 following International Classification of Sleep Disorders, 3rd Edition (ICSD-3) or ICSD-3 text revision (ICSD-3-TR) criteria who are alive at any point during 2023 or 2024.
- Any age, ethnicity and nationality.
- Treated / under follow-up in the study site and residing in the hospitals' reference areas. Consideration will be given if participants have changed their address or reached adulthood.
You may not qualify if…
- NT1 or NT2 participants who do not reside in the hospitals' reference areas.
- Supplementary Group:
- Inclusion criteria:
- Confirmation to have a diagnosis of NT1 or NT2 by a specialist.
- Participants greater than equal to (≥) 18 years or parents of narcolepsy participants under 18 years of age.
- Any gender, ethnicity or nationality.
- Residence in Spain.
- Exclusion criteria:
- Participants without a confirmed NT1 or NT2 diagnosis by a specialist.
Where it is running
- Hospital Virgen Macarena — Seville, Spain (enrolling)
- Hospital Clinic de Barcelona — Barcelona, Spain (enrolling)
- Hospital de la Ribera — Alzira, Valencia, Spain
- Hospital Vall d'Hebrón — Barcelona, Spain
- Hospital Virgen de las Nieves — Granada, Spain
- Hospital Clínico San Carlos — Madrid, Spain
- Hospital La Paz — Madrid, Spain
- Hospital General de Castellón — Castellon, Castellon, Spain
- Hospital de Araba — Vitoria-Gasteiz, Álava, Spain
- Hospital de Navarra — Pamplona, Navarre, Spain
Full record on ClinicalTrials.gov
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