Evidence map›Paper›PMID 42210281›Full record

ArticleAnnals of general psychiatry2026

Risperidone long-acting in-situ microimplant following a brief oral risperidone lead-in in the acute inpatient management of manic episodes with psychotic symptoms in non-adherent patients with schizoaffective disorder: a retrospective, uncontrolled real-world study.

Giovanni Barillà, Andrea Fagiolini, Debora Bussolotti, Cristina Venco, Alessandro Cuomo

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Article in Annals of general psychiatry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Giovanni BarillàDepartment of Mental Health and Addictions, ASST Mantua, Mantua, 46100, Italy. giovannibarilla93@gmail.com.
Andrea FagioliniDepartment of Molecular Medicine, School of Medicine, University of Siena, Siena, 53100, Italy.
Debora BussolottiDepartment of Mental Health and Addictions, ASST Mantua, Mantua, 46100, Italy.
Cristina VencoDepartment of Mental Health and Addictions, ASST Mantua, Mantua, 46100, Italy.
Alessandro CuomoDepartment of Molecular Medicine, School of Medicine, University of Siena, Siena, 53100, Italy.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundNonadherence is a major cause of relapse in patients with schizophrenia, schizoaffective disorder, or bipolar disorder who have achieved remission. However, it is also a significant challenge during manic episodes. Risperidone in-situ microimplant (ISM) releases the drug early and in a sustained manner once a month, eliminating the need for daily administration, which can be difficult during a manic episode. In this study, we described symptom trajectories and tolerability of a brief oral risperidone lead-in followed off-label initiation of risperidone ISM within multimodal inpatient care in nonadherent inpatients with schizoaffective disorder experiencing a manic episode with psychotic symptoms.

methodsThis retrospective, observational, single-centre study included 50 consecutive adults admitted after discontinuation/marked non-adherence and with prior response to risperidone who received ≥ 6 days of oral risperidone to confirm tolerability, then risperidone ISM (75 or 100 mg) and were followed for 6 weeks. Mania severity was assessed with the Young Mania Rating Scale (YMRS).

resultsFifty patients were included; most received concomitant mood stabilisers and benzodiazepines. Median YMRS decreased from 32 at admission (Tx) to 26 at the first injection (T0, after the oral lead-in), 8 by day 8, and remained low at day 28 (5) and day 42 (6). Activation/behavioural items improved earlier, whereas psychotic thought content improved more gradually, predominantly between days 8 and 28. Side-effect burden at weeks 4 and 6 was minimal, and no discontinuations due to adverse events occurred.

conclusionsIn this exploratory uncontrolled cohort, an oral risperidone lead-in plus monthly risperidone ISM within multimodal inpatient care was associated with with rapid and sustained improvement in symptom trajectories and favourable short-term tolerability. Findings reflect multimodal inpatient care and cannot be attributed to ISM alone. Prospective, controlled studies are warranted.

Indexed as

Acute maniaBipolar disorderIn situ microparticlesLong-acting injectable antipsychoticRisperidone ISMSchizoaffective disorder

Identifiers

PMID42210281
PMCPMC13403579

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