A randomised double-blind placebo-controlled trial of minocycline and/or omega-3 fatty acids added to treatment as usual for at risk Mental States: The NAYAB study.


Qurashi, Inti, Chaudhry, Imran B, Khoso, Ameer B, Omair Husain, Muhammad, Hafeez, Danish, Kiran, Tayyeba, Lane, Steven, Naqvi, Haider A, Minhas, Fareed A, Tamizuddin Nizami, Asad et al (show 5 more authors) (2023) A randomised double-blind placebo-controlled trial of minocycline and/or omega-3 fatty acids added to treatment as usual for at risk Mental States: The NAYAB study. Brain, behavior, and immunity, 115. S0889-1591(23)00325-2-S0889-1591(23)00325-2.

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Abstract

<h4>Background</h4>Inflammatory mechanisms are thought to contribute to the onset of psychosis in persons with an at-risk mental state (ARMS). We investigated whether the anti-inflammatory properties of minocycline and omega-3 polyunsaturated fatty acids (omega-3), alone or synergistically, would prevent transition to psychosis in ARMS in a randomised, double-blind, placebo-controlled trial in Pakistan.<h4>Methods</h4>10,173 help-seeking individuals aged 16-35 years were screened using the Prodromal Questionaire-16. Individuals scoring 6 and over were interviewed using the Comprehensive Assessment of At-Risk Mental States (CAARMS) to confirm ARMS. Participants (n = 326) were randomised to minocycline, omega-3, combined minocycline and omega-3 or to double placebo for 6 months. The primary outcome was transition to psychosis at 12 months.<h4>Findings</h4>Forty-five (13.8 %) participants transitioned to psychosis. The risk of transition was greater in those randomised to omega-3 alone or in combination with minocycline (17.3.%), compared to 10.4 % in those not exposed to omega-3; a risk-ratio (RR) of 1.67, 95 % CI [0.95, 2.92] p = 0.07. The RR for transitions on minocycline vs. no minocycline was 0.86, 95 % CI [0.50, 1.49] p > 0.10. In participants who did not become psychotic, CAARMS and depression symptom scores were reduced at six and twelve months (mean CAARMS difference = 1.43; 95 % CI [0.33, 1.76] p < 0.01 in those exposed to omega-3. Minocycline did not affect CAARMS or depression scores.<h4>Interpretation</h4>In keeping with other studies, omega-3 appears to have beneficial effects on ARMS and mood symptom severity but it increased transition to psychosis, which may reflect metabolic or developmental consequences of chronic poor nutrition in the population. Transition to psychosis was too rare to reveal a preventative effect of minocycline but minocycline did not improve symptom severity. ARMS symptom severity and transition to psychosis appear to have distinct pathogeneses which are differentially modulated by omega-3 supplementation.<h4>Funding</h4>The study was funded by the Stanley Research Medical Institute.

Item Type: Article
Uncontrolled Keywords: Humans, Minocycline, Fatty Acids, Omega-3, Anti-Inflammatory Agents, Double-Blind Method, Psychotic Disorders, Adolescent, Adult, Young Adult
Divisions: Faculty of Health and Life Sciences
Faculty of Health and Life Sciences > Institute of Population Health
Depositing User: Symplectic Admin
Date Deposited: 04 Dec 2023 10:17
Last Modified: 02 Feb 2024 14:34
DOI: 10.1016/j.bbi.2023.10.025
Open Access URL: http://dx.doi.org/10.1016/j.bbi.2023.10.025
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3177151
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