Hidden ADHD: study reveals many adults with psychiatric disorders may be undiagnosed
NCT ID NCT04943796
First seen Nov 01, 2025 · Last updated May 14, 2026 · Updated 35 times
Summary
This study looked at how common undiagnosed ADHD is in adults who already have another psychiatric condition. Researchers checked 224 adults to see if they had ADHD without knowing it and tracked their quality of life. The goal was to raise awareness and help prevent missed diagnoses.
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Asklepios Klinikum Hamburg
Hamburg, 21075, Germany
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Charité - Universitätsmedizin Berlin
Berlin, 10117, Germany
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Clínica Dr. Quintero
Madrid, 28002, Spain
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Cumbria Northumb, Tyne & Wear FT, Adult Psychiatry Dept
Newcastle upon Tyne, NE3 3XT, United Kingdom
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Hopital de Psychiatrie de Trois-Rivières, Pavillon St-Joseph
Trois-Rivières, Quebec, G9A 5Z9, Canada
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Hospital Vall d'Hebron
Barcelona, 08035, Spain
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Hs. Infanta Elena
Madrid, 28342, Spain
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Klinik und Poliklinik für Psychiatrie und Psychoterapie
Bonn, 53127, Germany
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Pacific Coast Recovery Care
Burnaby, British Columbia, V3N3N4, Canada
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Psykiatrisk klinik Umeå
Umeå, 907 37, Sweden
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Regina Mental Wellness Clinic
Regina, Saskatchewan, S4P0W6, Canada
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Tees Esk and Wear Valley foundation
York, YO31 8TA, United Kingdom
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University Hospitals of Geneva
Geneva, 1205, Switzerland
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Universitätsklinikum Frankfurt am Main
Frankfurt am Main, 60596, Germany
Conditions
Explore the condition pages connected to this study.