Risperidone-ISM® effectiveness and tolerability in acute schizophrenia patients hospitalised due to a relapse: results from an international, prospective, non-interventional evaluation (RESHAPE study).

To evaluate the effectiveness, time to discharge, functioning, and tolerability of Risperidone-ISM® in hospitalised patients with schizophrenia relapse.

Non-interventional, multicentre, prospective study of adults admitted for acute exacerbation of schizophrenia and treated with Risperidone-ISM®. Effectiveness was assessed using the Clinical Global Impression-Severity scale (CGI-S) and 6-item Positive and Negative Syndrome Scale (PANSS-6) at days 8 (FU1), 28 (FU2), and 56 (FV). Functioning was evaluated with the Personal and Social Performance scale (PSP), patient satisfaction with the Medication Satisfaction Questionnaire (MSQ). Admission/discharge data and adverse events were recorded.

In 275 patients, significant reductions from baseline in CGI-S and PANSS-6 scores occurred as early as day 8, with continued improvement through day 56 (CGI-S: -1.4 and PANSS-6: -7.6; p < 0.0001), regardless of use of concomitant antipsychotics. Median discharge occurred 8 days after first Risperidone-ISM® injection. PSP improved by 17.6 points at day 28. No new/unexpected safety information was reported; 4% discontinued due to related adverse events. At final visit, 78% reported satisfaction with treatment, and therapeutic alliance improved in 89.4% of participants.

Risperidone-ISM® demonstrated rapid and sustained effectiveness, functional improvement, and favourable tolerability, enabling early stabilisation and discharge. Adding another antipsychotic provided no additional benefits. Results support Risperidone-ISM® for treating acute schizophrenia relapse in real-world settings.
Mental Health
Care/Management

Authors

Correll Correll, Rohner Rohner, Dimalta Dimalta, Göldner Göldner, Assion Assion, Langner-Timm Langner-Timm, Núñez Sande Núñez Sande, Rodriguez-Jimenez Rodriguez-Jimenez, Bioque Bioque, Gahr Gahr, Messer Messer, Falkai Falkai, Heres Heres, Landry Landry, Schöttle Schöttle, Bernardo Bernardo, Caballero Caballero, González-Pinto González-Pinto, Molina Molina, De Giorgi De Giorgi, Maina Maina, Vita Vita, Vieira Coelho Vieira Coelho, Gago Gago, Madeira Madeira, Dratcu Dratcu, Farooq Farooq, Fernández-Egea Fernández-Egea, Pappa Pappa, Anta Carabias Anta Carabias, Sánchez-García Sánchez-García, Martínez-González Martínez-González
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