Registered clinical trials investigating treatment of long COVID: a scoping review and recommendations for research.


Journal

Infectious diseases (London, England)
ISSN: 2374-4243
Titre abrégé: Infect Dis (Lond)
Pays: England
ID NLM: 101650235

Informations de publication

Date de publication:
07 2022
Historique:
pubmed: 15 3 2022
medline: 18 5 2022
entrez: 14 3 2022
Statut: ppublish

Résumé

A considerable proportion of individuals report persistent, debilitating and disparate symptoms despite resolution of acute COVID-19 infection (i.e. long COVID). Numerous registered clinical trials investigating treatment of long COVID are expected to be completed in 2021-2022. The aim of this review is to provide a scope of the candidate treatments for long COVID. A synthesis of ongoing long COVID clinical trials can inform methodologic approaches for future studies and identify key research vistas. Scoping searches were conducted on multiple national and international clinical trial registries. Interventional trials testing treatments for long COVID were selected. The search timeline was from database inception to 28 July 2021. This scoping review included 59 clinical trial registration records from 22 countries with a total projected enrolment of 6718. Considerable heterogeneity was exhibited amongst component records with respect to the characterization of long COVID (i.e. name, symptoms- including frequency, intensity, trajectory and duration- mode of ascertainment, and definition of acute phase). In addition, the majority of proposed interventions were non-pharmacological and either targeted multiple long COVID symptoms simultaneously, or focussed on treatment of respiratory/pulmonary sequelae. Multiple interventions targeted inflammation, as well as tissue oxygenation and cellular recovery, and several interventions were repurposed from analogous conditions. The results of this scoping review investigating ongoing clinical trials testing candidate treatments for long COVID suggest that a greater degree of definitional stringency and homogeneity is needed insofar as the characterization of long COVID and inclusion/exclusion criteria.

Sections du résumé

BACKGROUND
A considerable proportion of individuals report persistent, debilitating and disparate symptoms despite resolution of acute COVID-19 infection (i.e. long COVID). Numerous registered clinical trials investigating treatment of long COVID are expected to be completed in 2021-2022. The aim of this review is to provide a scope of the candidate treatments for long COVID. A synthesis of ongoing long COVID clinical trials can inform methodologic approaches for future studies and identify key research vistas.
METHODS
Scoping searches were conducted on multiple national and international clinical trial registries. Interventional trials testing treatments for long COVID were selected. The search timeline was from database inception to 28 July 2021.
RESULTS
This scoping review included 59 clinical trial registration records from 22 countries with a total projected enrolment of 6718. Considerable heterogeneity was exhibited amongst component records with respect to the characterization of long COVID (i.e. name, symptoms- including frequency, intensity, trajectory and duration- mode of ascertainment, and definition of acute phase). In addition, the majority of proposed interventions were non-pharmacological and either targeted multiple long COVID symptoms simultaneously, or focussed on treatment of respiratory/pulmonary sequelae. Multiple interventions targeted inflammation, as well as tissue oxygenation and cellular recovery, and several interventions were repurposed from analogous conditions.
CONCLUSIONS
The results of this scoping review investigating ongoing clinical trials testing candidate treatments for long COVID suggest that a greater degree of definitional stringency and homogeneity is needed insofar as the characterization of long COVID and inclusion/exclusion criteria.

Identifiants

pubmed: 35282780
doi: 10.1080/23744235.2022.2043560
pmc: PMC8935463
doi:

Types de publication

Journal Article Review

Langues

eng

Sous-ensembles de citation

IM

Pagination

467-477

Auteurs

Felicia Ceban (F)

Mood Disorders Psychopharmacology Unit, University Health Network, Toronto, Canada.
Brain and Cognition Discovery Foundation, Toronto, Canada.

Alexia Leber (A)

Mood Disorders Psychopharmacology Unit, University Health Network, Toronto, Canada.

Muhammad Youshay Jawad (MY)

Mood Disorders Psychopharmacology Unit, University Health Network, Toronto, Canada.

Mathew Yu (M)

Mood Disorders Psychopharmacology Unit, University Health Network, Toronto, Canada.

Leanna M W Lui (LMW)

Mood Disorders Psychopharmacology Unit, University Health Network, Toronto, Canada.

Mehala Subramaniapillai (M)

Mood Disorders Psychopharmacology Unit, University Health Network, Toronto, Canada.
Brain and Cognition Discovery Foundation, Toronto, Canada.

Joshua D Di Vincenzo (JD)

Mood Disorders Psychopharmacology Unit, University Health Network, Toronto, Canada.
Department of Pharmacology and Toxicology, University of Toronto, Toronto, Canada.

Hartej Gill (H)

Mood Disorders Psychopharmacology Unit, University Health Network, Toronto, Canada.

Nelson B Rodrigues (NB)

Mood Disorders Psychopharmacology Unit, University Health Network, Toronto, Canada.

Bing Cao (B)

Key Laboratory of Cognition and Personality, Faculty of Psychology, Ministry of Education, Southwest University, Chongqing, PR China.

Yena Lee (Y)

Mood Disorders Psychopharmacology Unit, University Health Network, Toronto, Canada.
Brain and Cognition Discovery Foundation, Toronto, Canada.

Kangguang Lin (K)

Department of Affective Disorders, the Affiliated Brain Hospital of Guangzhou Medical University, (Guangzhou Huiai Hospital), Guangzhou Medical University, Guangzhou, PR China.
Laboratory of Emotion and Cognition, the Affiliated Brain Hospital of Guangzhou Medical University (Guangzhou Huiai Hospital), Guangzhou Medical University, Guangzhou, PR China.

Rodrigo B Mansur (RB)

Mood Disorders Psychopharmacology Unit, University Health Network, Toronto, Canada.
Department of Psychiatry, University of Toronto, Toronto, Canada.

Roger Ho (R)

Department of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
Institute for Health Innovation and Technology (iHealthtech), National University of Singapore, Singapore, Singapore.

Matthew J Burke (MJ)

Department of Psychiatry, University of Toronto, Toronto, Canada.
Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, Canada.
Department of Neurology, Division of Cognitive Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.

Joshua D Rosenblat (JD)

Mood Disorders Psychopharmacology Unit, University Health Network, Toronto, Canada.
Department of Psychiatry, University of Toronto, Toronto, Canada.

Roger S McIntyre (RS)

Mood Disorders Psychopharmacology Unit, University Health Network, Toronto, Canada.
Brain and Cognition Discovery Foundation, Toronto, Canada.
Department of Pharmacology and Toxicology, University of Toronto, Toronto, Canada.
Department of Psychiatry, University of Toronto, Toronto, Canada.

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