Patient-reported outcome improvements following scalp hair regrowth among patients with Alopecia Areata: analysis of the ALLEGRO-2b/3 trial

Purpose: Alopecia areata (AA), an autoimmune disorder characterized by non-scarring hair loss, is detrimental to the psychological health and quality of life of people living with AA. Clinically meaningful hair regrowth is possible, but the relationship with downstream patient-reported outcomes (PRO...

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Main Authors: Ernest H. Law, Kent A. Hanson, Matthew Harries, Dane Korver, Bintu Sherif, Costel Chirila
Format: Article
Language:English
Published: Taylor & Francis Group 2025-12-01
Series:Journal of Dermatological Treatment
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Online Access:https://www.tandfonline.com/doi/10.1080/09546634.2025.2460577
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author Ernest H. Law
Kent A. Hanson
Matthew Harries
Dane Korver
Bintu Sherif
Costel Chirila
author_facet Ernest H. Law
Kent A. Hanson
Matthew Harries
Dane Korver
Bintu Sherif
Costel Chirila
author_sort Ernest H. Law
collection DOAJ
description Purpose: Alopecia areata (AA), an autoimmune disorder characterized by non-scarring hair loss, is detrimental to the psychological health and quality of life of people living with AA. Clinically meaningful hair regrowth is possible, but the relationship with downstream patient-reported outcomes (PROs) is complex.Materials and methods: This post hoc analysis of ALLEGRO-2b/3 (NCT03732807) longitudinal data from Weeks 24–48 compared improvements in PROs between patients who achieved (responders) or did not achieve (non-responders) clinically meaningful scalp hair regrowth. Responders were defined by a Week 24 Severity of Alopecia Tool (SALT) score ≤20 (SALT20) or ≤10 (SALT10). Across 6 PROs assessing multiple AA-related health domains, response proportions and mean changes from baseline were estimated for Weeks 24–48.Results: Among 650 included participants, 114 (17.5%) were SALT20 responders, of which 76 (11.7%) were also SALT10 responders. Generally, more responders than non-responders reported improvements in AA and related symptoms or limitations and satisfaction with hair regrowth. Responders additionally reported greater improvement from baseline than non-responders for measures of AA-related emotional symptoms, mental health, and work or activity limitations.Conclusions: These results support a positive relationship between scalp hair regrowth and downstream PROs—including satisfaction and psychosocial burden—demonstrating an association between clinically meaningful hair regrowth and patient-reported treatment benefits.
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spelling doaj-art-f54f1d0640604cc9bdabfe41476794fd2025-02-04T00:47:51ZengTaylor & Francis GroupJournal of Dermatological Treatment0954-66341471-17532025-12-0136110.1080/09546634.2025.2460577Patient-reported outcome improvements following scalp hair regrowth among patients with Alopecia Areata: analysis of the ALLEGRO-2b/3 trialErnest H. Law0Kent A. Hanson1Matthew Harries2Dane Korver3Bintu Sherif4Costel Chirila5Pfizer Inc, New York, NY, USAPfizer Inc, New York, NY, USASalford Royal Hospital, Northern Care Alliance NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UKRTI Health Solutions, NC, USARTI Health Solutions, NC, USARTI Health Solutions, NC, USAPurpose: Alopecia areata (AA), an autoimmune disorder characterized by non-scarring hair loss, is detrimental to the psychological health and quality of life of people living with AA. Clinically meaningful hair regrowth is possible, but the relationship with downstream patient-reported outcomes (PROs) is complex.Materials and methods: This post hoc analysis of ALLEGRO-2b/3 (NCT03732807) longitudinal data from Weeks 24–48 compared improvements in PROs between patients who achieved (responders) or did not achieve (non-responders) clinically meaningful scalp hair regrowth. Responders were defined by a Week 24 Severity of Alopecia Tool (SALT) score ≤20 (SALT20) or ≤10 (SALT10). Across 6 PROs assessing multiple AA-related health domains, response proportions and mean changes from baseline were estimated for Weeks 24–48.Results: Among 650 included participants, 114 (17.5%) were SALT20 responders, of which 76 (11.7%) were also SALT10 responders. Generally, more responders than non-responders reported improvements in AA and related symptoms or limitations and satisfaction with hair regrowth. Responders additionally reported greater improvement from baseline than non-responders for measures of AA-related emotional symptoms, mental health, and work or activity limitations.Conclusions: These results support a positive relationship between scalp hair regrowth and downstream PROs—including satisfaction and psychosocial burden—demonstrating an association between clinically meaningful hair regrowth and patient-reported treatment benefits.https://www.tandfonline.com/doi/10.1080/09546634.2025.2460577Alopecia areatapatient-reported outcomesscalp hair regrowthsatisfactionclinical responder
spellingShingle Ernest H. Law
Kent A. Hanson
Matthew Harries
Dane Korver
Bintu Sherif
Costel Chirila
Patient-reported outcome improvements following scalp hair regrowth among patients with Alopecia Areata: analysis of the ALLEGRO-2b/3 trial
Journal of Dermatological Treatment
Alopecia areata
patient-reported outcomes
scalp hair regrowth
satisfaction
clinical responder
title Patient-reported outcome improvements following scalp hair regrowth among patients with Alopecia Areata: analysis of the ALLEGRO-2b/3 trial
title_full Patient-reported outcome improvements following scalp hair regrowth among patients with Alopecia Areata: analysis of the ALLEGRO-2b/3 trial
title_fullStr Patient-reported outcome improvements following scalp hair regrowth among patients with Alopecia Areata: analysis of the ALLEGRO-2b/3 trial
title_full_unstemmed Patient-reported outcome improvements following scalp hair regrowth among patients with Alopecia Areata: analysis of the ALLEGRO-2b/3 trial
title_short Patient-reported outcome improvements following scalp hair regrowth among patients with Alopecia Areata: analysis of the ALLEGRO-2b/3 trial
title_sort patient reported outcome improvements following scalp hair regrowth among patients with alopecia areata analysis of the allegro 2b 3 trial
topic Alopecia areata
patient-reported outcomes
scalp hair regrowth
satisfaction
clinical responder
url https://www.tandfonline.com/doi/10.1080/09546634.2025.2460577
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