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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/222100
Prehospital application of remote ischaemic perconditioning in acute ischaemic stroke patients in Catalonia: the REMOTE-CAT clinical trial
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Background Acute ischaemic stroke (IS) remains one of the leading causes of morbidity and mortality worldwide. Remote ischaemic perconditioning (RIperC) is a neuroprotective treatment with promising preclinical results, acting through humoral and neural mechanisms. This trial aimed to evaluate the clinical benefits of prehospital-initiated RIperC in acute IS patients. Methods REMOTE-CAT was a multicentre, randomised, double-blind, sham-controlled trial across four Catalonian stroke centres. Patients over 18 years with stroke symptoms under 8 h, a pre-stroke modified Rankin Scale (mRS) score <3, and motor deficits (RACE motor score >= 1) were randomised 1:1 to active RIperC or sham. RIperC was applied via an automated cuff on the unaffected arm in five 5-min inflation-deflation cycles. Investigators and participants were blinded to treatment. The primary outcome was the proportion of patients with a favourable outcome (mRS <3) at 90 days. The intention-to-treat analysis included all patients receiving at least one inflation-deflation cycle and had a final diagnosis of ischaemic stroke or transient ischaemic attack (ClinicalTrials.gov: NCT03375762). Findings Between August 2019 and December 2023, 350 patients were screened, with 200 randomised. After 78 exclusions (29 haemorrhagic strokes, 41 stroke mimics, and 8 patients with mRS >3), 122 patients were included in the primary analysis (RIperC group, n = 57; sham group, n = 65). The RIperC group had a higher proportion of mRS <3 at 90 days (64.9%) than the sham group (47.3%), though not statistically significant in the unadjusted analysis (OR 2.03 [95% CI 0.98-4.21], p = 0.057 However, statistical significance was achieved in the post-hoc analysis adjusted for age, baseline status (determined by pre-stroke mRS score), and initial stroke severity (measured by baseline RACE score by paramedics) (OR 2.94 [95% CI 1.21-7.16], p = 0.017). No serious adverse events were observed. Interpretation Despite the small sample size, our findings suggest that prehospital application of RIPerC is safe and may confer clinical benefit, as indicated in the post hoc adjusted analysis. However, larger, adequately powered trials are required to validate these results, and to determine potential differential effects across underrepresented patient subgroups. Funding Institute of Health Carlos III (ISCIII) of the Spanish Ministry of Health and Government of CataloniaAg & egrave;ncia de Gesti & oacute; d'Ajuts Universitaris i de Recerca (AGAUR). Copyright (c) 2025 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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PURROY, Francisco, ARQUÉ, Gloria, JIMÉNEZ FÀBREGA, Xavier, SUBIRATS, Teresa, ROPERO, José ramon, VICENTE PASCUAL, Mikel, CARDONA, Pere, GÓMEZ CHOCO, Manuel, PAGOLA, Jorge, ABILLEIRA, Sònia, ROVIRA, Àlex, CIRER SASTRE, Rafel, MAURI CAPDEVILA, Gerard, REMOTE-CAT Trial Investigators. Prehospital application of remote ischaemic perconditioning in acute ischaemic stroke patients in Catalonia: the REMOTE-CAT clinical trial. _EClinicalMedicine_. 2025. Vol. 83. [consulta: 4 de febrer de 2026]. ISSN: 2589-5370. [Disponible a: https://hdl.handle.net/2445/222100]