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  1. Article ; Online: The self, neuroscience and psychosis study: Testing a neurophenomenological model of the onset of psychosis.

    Krcmar, Marija / Wannan, Cassandra M J / Lavoie, Suzie / Allott, Kelly / Davey, Christopher G / Yuen, Hok Pan / Whitford, Thomas / Formica, Melanie / Youn, Sarah / Shetty, Jashmina / Beedham, Rebecca / Rayner, Victoria / Murray, Graham / Polari, Andrea / Gawęda, Łukasz / Koren, Dan / Sass, Louis / Parnas, Josef / Rasmussen, Andreas R /
    McGorry, Patrick / Hartmann, Jessica A / Nelson, Barnaby

    Early intervention in psychiatry

    2023  Volume 18, Issue 2, Page(s) 153–164

    Abstract: Aim: Basic self disturbance is a putative core vulnerability marker of schizophrenia spectrum disorders. The primary aims of the Self, Neuroscience and Psychosis (SNAP) study are to: (1) empirically test a previously described neurophenomenological self- ...

    Abstract Aim: Basic self disturbance is a putative core vulnerability marker of schizophrenia spectrum disorders. The primary aims of the Self, Neuroscience and Psychosis (SNAP) study are to: (1) empirically test a previously described neurophenomenological self-disturbance model of psychosis by examining the relationship between specific clinical, neurocognitive, and neurophysiological variables in UHR patients, and (2) develop a prediction model using these neurophenomenological disturbances for persistence or deterioration of UHR symptoms at 12-month follow-up.
    Methods: SNAP is a longitudinal observational study. Participants include 400 UHR individuals, 100 clinical controls with no attenuated psychotic symptoms, and 50 healthy controls. All participants complete baseline clinical and neurocognitive assessments and electroencephalography. The UHR sample are followed up for a total of 24 months, with clinical assessment completed every 6 months.
    Results: This paper presents the protocol of the SNAP study, including background rationale, aims and hypotheses, design, and assessment procedures.
    Conclusions: The SNAP study will test whether neurophenomenological disturbances associated with basic self-disturbance predict persistence or intensification of UHR symptomatology over a 2-year follow up period, and how specific these disturbances are to a clinical population with attenuated psychotic symptoms. This may ultimately inform clinical care and pathoaetiological models of psychosis.
    MeSH term(s) Humans ; Risk Factors ; Psychotic Disorders/psychology ; Schizophrenia/diagnosis ; Longitudinal Studies ; Attention ; Psychiatric Status Rating Scales
    Language English
    Publishing date 2023-07-02
    Publishing country Australia
    Document type Observational Study ; Journal Article
    ZDB-ID 2272425-4
    ISSN 1751-7893 ; 1751-7885
    ISSN (online) 1751-7893
    ISSN 1751-7885
    DOI 10.1111/eip.13448
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  2. Article ; Online: Preventive interventions for individuals at ultra high risk for psychosis: An updated and extended meta-analysis.

    Mei, Cristina / van der Gaag, Mark / Nelson, Barnaby / Smit, Filip / Yuen, Hok Pan / Berger, Maximus / Krcmar, Marija / French, Paul / Amminger, G Paul / Bechdolf, Andreas / Cuijpers, Pim / Yung, Alison R / McGorry, Patrick D

    Clinical psychology review

    2021  Volume 86, Page(s) 102005

    Abstract: Intervention at the earliest illness stage, in ultra or clinical high-risk individuals, or indicated prevention, currently represents the most promising strategy to ameliorate, delay or prevent psychosis. We review the current state of evidence and ... ...

    Abstract Intervention at the earliest illness stage, in ultra or clinical high-risk individuals, or indicated prevention, currently represents the most promising strategy to ameliorate, delay or prevent psychosis. We review the current state of evidence and conduct a broad-spectrum meta-analysis of various outcomes: transition to psychosis, attenuated positive and negative psychotic symptoms, mania, depression, anxiety, general psychopathology, symptom-related distress, functioning, quality of life, and treatment acceptability. 26 randomized controlled trials were included. Meta-analytically pooled interventions reduced transition rate (risk ratio [RR] = 0.57, 95%CI 0.41-0.81) and attenuated positive psychotic symptoms at 12-months (standardized mean difference = -0.15, 95%CI = -0.28--0.01). When stratified by intervention type (pharmacological, psychological), only the pooled effect of psychological interventions on transition rate was significant. Cognitive behavioral therapy (CBT) was associated with a reduction in incidence at 12-months (RR = 0.52, 95%CI = 0.33-0.82) and 18-48-months (RR = 0.60, 95%CI = 0.42-0.84), but not 6-months. Findings at 12-months and 18-48-months were robust in sensitivity and subgroup analyses. All other outcomes were non-significant. To date, effects of trialed treatments are specific to transition and, a lesser extent, attenuated positive symptoms, highlighting the future need to target other symptom domains and functional outcomes. Sound evidence supports CBT in reducing transition and the value of intervening at this illness stage. STUDY REGISTRATION: Research Registry ID: reviewregistry907.
    MeSH term(s) Cognitive Behavioral Therapy ; Humans ; Psychotic Disorders/prevention & control ; Quality of Life ; Risk
    Language English
    Publishing date 2021-03-26
    Publishing country United States
    Document type Journal Article ; Meta-Analysis ; Research Support, Non-U.S. Gov't ; Review
    ZDB-ID 604577-7
    ISSN 1873-7811 ; 0272-7358
    ISSN (online) 1873-7811
    ISSN 0272-7358
    DOI 10.1016/j.cpr.2021.102005
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  3. Article ; Online: A Sequential Adaptive Intervention Strategy Targeting Remission and Functional Recovery in Young People at Ultrahigh Risk of Psychosis: The Staged Treatment in Early Psychosis (STEP) Sequential Multiple Assignment Randomized Trial.

    McGorry, Patrick D / Mei, Cristina / Amminger, G Paul / Yuen, Hok Pan / Kerr, Melissa / Spark, Jessica / Wallis, Nicky / Polari, Andrea / Baird, Shelley / Buccilli, Kate / Dempsey, Sarah-Jane A / Ferguson, Natalie / Formica, Melanie / Krcmar, Marija / Quinn, Amelia L / Mebrahtu, Yohannes / Ruslins, Arlan / Street, Rebekah / Wannan, Cassandra /
    Dixon, Lisa / Carter, Cameron / Loewy, Rachel / Niendam, Tara A / Shumway, Martha / Nelson, Barnaby

    JAMA psychiatry

    2023  Volume 80, Issue 9, Page(s) 875–885

    Abstract: Importance: Clinical trials have not established the optimal type, sequence, and duration of interventions for people at ultrahigh risk of psychosis.: Objective: To determine the effectiveness of a sequential and adaptive intervention strategy for ... ...

    Abstract Importance: Clinical trials have not established the optimal type, sequence, and duration of interventions for people at ultrahigh risk of psychosis.
    Objective: To determine the effectiveness of a sequential and adaptive intervention strategy for individuals at ultrahigh risk of psychosis.
    Design, setting, and participants: The Staged Treatment in Early Psychosis (STEP) sequential multiple assignment randomized trial took place within the clinical program at Orygen, Melbourne, Australia. Individuals aged 12 to 25 years who were seeking treatment and met criteria for ultrahigh risk of psychosis according to the Comprehensive Assessment of At-Risk Mental States were recruited between April 2016 and January 2019. Of 1343 individuals considered, 342 were recruited.
    Interventions: Step 1: 6 weeks of support and problem solving (SPS); step 2: 20 weeks of cognitive-behavioral case management (CBCM) vs SPS; and step 3: 26 weeks of CBCM with fluoxetine vs CBCM with placebo with an embedded fast-fail option of ω-3 fatty acids or low-dose antipsychotic medication. Individuals who did not remit progressed through these steps; those who remitted received SPS or monitoring for up to 12 months.
    Main outcomes and measures: Global Functioning: Social and Role scales (primary outcome), Brief Psychiatric Rating Scale, Scale for the Assessment of Negative Symptoms, Montgomery-Åsberg Depression Rating Scale, quality of life, transition to psychosis, and remission and relapse rates.
    Results: The sample comprised 342 participants (198 female; mean [SD] age, 17.7 [3.1] years). Remission rates, reflecting sustained symptomatic and functional improvement, were 8.5%, 10.3%, and 11.4% at steps 1, 2, and 3, respectively. A total of 27.2% met remission criteria at any step. Relapse rates among those who remitted did not significantly differ between SPS and monitoring (step 1: 65.1% vs 58.3%; step 2: 37.7% vs 47.5%). There was no significant difference in functioning, symptoms, and transition rates between SPS and CBCM and between CBCM with fluoxetine and CBCM with placebo. Twelve-month transition rates to psychosis were 13.5% (entire sample), 3.3% (those who ever remitted), and 17.4% (those with no remission).
    Conclusions and relevance: In this sequential multiple assignment randomized trial, transition rates to psychosis were moderate, and remission rates were lower than expected, partly reflecting the ambitious criteria set and challenges with real-world treatment fidelity and adherence. While all groups showed mild to moderate functional and symptomatic improvement, this was typically short of remission. While further adaptive trials that address these challenges are needed, findings confirm substantial and sustained morbidity and reveal relatively poor responsiveness to existing treatments.
    Trial registration: ClinicalTrials.gov Identifier: NCT02751632.
    MeSH term(s) Humans ; Female ; Adolescent ; Psychotic Disorders/diagnosis ; Fluoxetine/therapeutic use ; Quality of Life ; Antipsychotic Agents/therapeutic use ; Recurrence ; Treatment Outcome
    Chemical Substances Fluoxetine (01K63SUP8D) ; Antipsychotic Agents
    Language English
    Publishing date 2023-06-28
    Publishing country United States
    Document type Randomized Controlled Trial ; Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural
    ZDB-ID 2701203-7
    ISSN 2168-6238 ; 2168-622X
    ISSN (online) 2168-6238
    ISSN 2168-622X
    DOI 10.1001/jamapsychiatry.2023.1947
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  4. Article ; Online: Differential Expression of Anomalous Self-Experiences in Spontaneous Speech in Clinical High-Risk and Early-Course Psychosis Quantified by Natural Language Processing.

    Srivastava, Agrima / Selloni, Alexandria / Bilgrami, Zarina R / Sarac, Cansu / McGowan, Alessia / Cotter, Matthew / Bayer, Johanna / Spark, Jessica / Krcmar, Marija / Formica, Melanie / Gwyther, Kate / Hartmann, Jessica / Ellenberg, Ezra / Polari, Andrea / McGorry, Patrick / Shah, Jai L / Yung, Alison R / Mizrahi, Romina / Corcoran, Cheryl M /
    Cecchi, Guillermo A / Nelson, Barnaby

    Biological psychiatry. Cognitive neuroscience and neuroimaging

    2023  Volume 8, Issue 10, Page(s) 1005–1012

    Abstract: Background: Basic self-disturbance, or anomalous self-experiences (ASEs), is a core feature of the schizophrenia spectrum. We propose a novel method of natural language processing to quantify ASEs in spoken language by direct comparison to an inventory ... ...

    Abstract Background: Basic self-disturbance, or anomalous self-experiences (ASEs), is a core feature of the schizophrenia spectrum. We propose a novel method of natural language processing to quantify ASEs in spoken language by direct comparison to an inventory of self-disturbance, the Inventory of Psychotic-Like Anomalous Self-Experiences (IPASE). We hypothesized that there would be increased similarity in open-ended speech to the IPASE items in individuals with early-course psychosis (PSY) compared with healthy individuals, with clinical high-risk (CHR) individuals intermediate in similarity.
    Methods: Open-ended interviews were obtained from 170 healthy control participants, 167 CHR participants, and 89 PSY participants. We calculated the semantic similarity between IPASE items and "I" sentences from transcribed speech samples using S-BERT (Sentence Bidirectional Encoder Representation from Text). Kolmogorov-Smirnov tests were used to compare distributions across groups. A nonnegative matrix factorization of cosine similarity was performed to rank IPASE items.
    Results: Spoken language of CHR individuals had the greatest semantic similarity to IPASE items when compared to both healthy control (s = 0.44, p < 10
    Conclusions: We found that open-ended interviews elicited language with increased semantic similarity to the IPASE by participants in the CHR group compared with patients with psychosis. This demonstrates the utility of these methods for differentiating patients from healthy control participants. This complementary approach has the capacity to scale to large studies investigating phenomenological features of schizophrenia and potentially other clinical populations.
    MeSH term(s) Humans ; Speech ; Natural Language Processing ; Psychotic Disorders ; Schizophrenia
    Language English
    Publishing date 2023-07-05
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 2879089-3
    ISSN 2451-9030 ; 2451-9022
    ISSN (online) 2451-9030
    ISSN 2451-9022
    DOI 10.1016/j.bpsc.2023.06.007
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  5. Article: The self, neuroscience and psychosis study

    Krcmar, Marija / Wannan, Cassandra M. J. / Lavoie, Suzie / Allott, Kelly / Davey, Christopher G. / Yuen, Hok Pan / Whitford, Thomas / Formica, Melanie / Youn, Sarah / Shetty, Jashmina / Beedham, Rebecca / Rayner, Victoria / Murray, Graham / Polari, Andrea / Gaweda, Lukasz / Koren, Dan / Sass, Louis / Parnas, Josef / Rasmussen, Andreas R. /
    McGorry, Patrick / Hartmann, Jessica A. / Nelson, Barnaby

    Early Intervention in Psychiatry

    Testing a neurophenomenological model of the onset of psychosis

    2024  Volume 18, Issue 2, Page(s) 153–164

    Abstract: Aim: Basic self disturbance is a putative core vulnerability marker of schizophrenia spectrum disorders. The primary aims of the Self, Neuroscience and Psychosis (SNAP) study are to: (1) empirically test a previously described neurophenomenological self- ... ...

    Title translation Die "Self, Neuroscience and Psychosis"-Studie (SNPS): Erprobung eines neurophänomenologischen Modells für den Ausbruch einer Psychose (DeepL)
    Abstract Aim: Basic self disturbance is a putative core vulnerability marker of schizophrenia spectrum disorders. The primary aims of the Self, Neuroscience and Psychosis (SNAP) study are to: (1) empirically test a previously described neurophenomenological self-disturbance model of psychosis by examining the relationship between specific clinical, neurocognitive, and neurophysiological variables in UHR patients, and (2) develop a prediction model using these neurophenomenological disturbances for persistence or deterioration of UHR symptoms at 12-month follow-up. Methods: SNAP is a longitudinal observational study. Participants include 400 UHR individuals, 100 clinical controls with no attenuated psychotic symptoms, and 50 healthy controls. All participants complete baseline clinical and neurocognitive assessments and electroencephalography. The UHR sample are followed up for a total of 24 months, with clinical assessment completed every 6 months. Results: This paper presents the protocol of the SNAP study, including background rationale, aims and hypotheses, design, and assessment procedures. Conclusions: The SNAP study will test whether neurophenomenological disturbances associated with basic self-disturbance predict persistence or intensification of UHR symptomatology over a 2-year follow up period, and how specific these disturbances are to a clinical population with attenuated psychotic symptoms. This may ultimately inform clinical care and pathoaetiological models of psychosis.
    Keywords At Risk Populations ; Krankheitsbeginn ; Neurocognition ; Neurokognition ; Onset (Disorders) ; Prediction ; Psychose ; Psychosis ; Risikogruppen ; Symptome ; Symptoms ; Vorhersage
    Language English
    Document type Article
    ZDB-ID 2272425-4
    ISSN 1751-7893 ; 1751-7885
    ISSN (online) 1751-7893
    ISSN 1751-7885
    DOI 10.1111/eip.13448
    Database PSYNDEX

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  6. Article: Preventive interventions for individuals at ultra high risk for psychosis

    Mei, Cristina / van der Gaag, Mark / Nelson, Barnaby / Smit, Filip / Yuen, Hok Pan / Berger, Maximus / Krcmar, Marija / French, Paul / Amminger, G. Paul / Bechdolf, Andreas / Cuijpers, Pim / Yung, Alison R. / McGorry, Patrick D.

    Clinical Psychology Review

    An updated and extended meta-analysis

    2021  

    Abstract: Intervention at the earliest illness stage, in ultra or clinical high-risk individuals, or indicated prevention, currently represents the most promising strategy to ameliorate, delay or prevent psychosis. We review the current state of evidence and ... ...

    Title translation Präventive Interventionen für Personen mit extrem hohem Psychoserisiko: Eine aktualisierte und erweiterte Meta-Analyse
    Abstract Intervention at the earliest illness stage, in ultra or clinical high-risk individuals, or indicated prevention, currently represents the most promising strategy to ameliorate, delay or prevent psychosis. We review the current state of evidence and conduct a broad-spectrum meta-analysis of various outcomes: transition to psychosis, attenuated positive and negative psychotic symptoms, mania, depression, anxiety, general psychopathology, symptom-related distress, functioning, quality of life, and treatment acceptability. 26 randomized controlled trials were included. Meta-analytically pooled interventions reduced transition rate (risk ratio [RR] = 0.57, 95%CI 0.41-0.81) and attenuated positive psychotic symptoms at 12-months (standardized mean difference = -0.15, 95%CI = -0.28 - (-0.01). When stratified by intervention type (pharmacological, psychological), only the pooled effect of psychological interventions on transition rate was significant. Cognitive behavioral therapy (CBT) was associated with a reduction in incidence at 12-months (RR = 0.52, 95%CI = 0.33-0.82) and 18 & ndash;48-months (RR = 0.60, 95%CI = 0.42-0.84), but not 6-months. Findings at 12-months and 18 & ndash;48-months were robust in sensitivity and subgroup analyses. All other outcomes were non-significant. To date, effects of trialed treatments are specific to transition and, a lesser extent, attenuated positive symptoms, highlighting the future need to target other symptom domains and functional outcomes. Sound evidence supports CBT in reducing transition and the value of intervening at this illness stage. Study registration: Research Registry ID: reviewregistry907.
    Keywords Cognitive Behavior Therapy ; Familienintervention ; Family Intervention ; Fatty Acids ; Fettsäuren ; Kognitive Verhaltenstherapie ; Krankheitsbeginn ; Onset (Disorders) ; Predisposition ; Prevention ; Prädisposition ; Prävention ; Psychose ; Psychosis ; Risikofaktoren ; Risk Factors
    Language English
    Document type Article
    ZDB-ID 604577-7
    ISSN 1873-7811 ; 0272-7358
    ISSN (online) 1873-7811
    ISSN 0272-7358
    DOI 10.1016/j.cpr.2021.102005
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  7. Article ; Online: Accelerating Medicines Partnership® Schizophrenia (AMP® SCZ): Rationale and Study Design of the Largest Global Prospective Cohort Study of Clinical High Risk for Psychosis.

    Wannan, Cassandra M J / Nelson, Barnaby / Addington, Jean / Allott, Kelly / Anticevic, Alan / Arango, Celso / Baker, Justin T / Bearden, Carrie E / Billah, Tashrif / Bouix, Sylvain / Broome, Matthew R / Buccilli, Kate / Cadenhead, Kristin S / Calkins, Monica E / Cannon, Tyrone D / Cecci, Guillermo / Chen, Eric Yu Hai / Cho, Kang Ik K / Choi, Jimmy /
    Clark, Scott R / Coleman, Michael J / Conus, Philippe / Corcoran, Cheryl M / Cornblatt, Barbara A / Diaz-Caneja, Covadonga M / Dwyer, Dominic / Ebdrup, Bjørn H / Ellman, Lauren M / Fusar-Poli, Paolo / Galindo, Liliana / Gaspar, Pablo A / Gerber, Carla / Glenthøj, Louise Birkedal / Glynn, Robert / Harms, Michael P / Horton, Leslie E / Kahn, René S / Kambeitz, Joseph / Kambeitz-Ilankovic, Lana / Kane, John M / Kapur, Tina / Keshavan, Matcheri S / Kim, Sung-Wan / Koutsouleris, Nikolaos / Kubicki, Marek / Kwon, Jun Soo / Langbein, Kerstin / Lewandowski, Kathryn E / Light, Gregory A / Mamah, Daniel / Marcy, Patricia J / Mathalon, Daniel H / McGorry, Patrick D / Mittal, Vijay A / Nordentoft, Merete / Nunez, Angela / Pasternak, Ofer / Pearlson, Godfrey D / Perez, Jesus / Perkins, Diana O / Powers, Albert R / Roalf, David R / Sabb, Fred W / Schiffman, Jason / Shah, Jai L / Smesny, Stefan / Spark, Jessica / Stone, William S / Strauss, Gregory P / Tamayo, Zailyn / Torous, John / Upthegrove, Rachel / Vangel, Mark / Verma, Swapna / Wang, Jijun / Rossum, Inge Winter-van / Wolf, Daniel H / Wolff, Phillip / Wood, Stephen J / Yung, Alison R / Agurto, Carla / Alvarez-Jimenez, Mario / Amminger, Paul / Armando, Marco / Asgari-Targhi, Ameneh / Cahill, John / Carrión, Ricardo E / Castro, Eduardo / Cetin-Karayumak, Suheyla / Mallar Chakravarty, M / Cho, Youngsun T / Cotter, David / D'Alfonso, Simon / Ennis, Michaela / Fadnavis, Shreyas / Fonteneau, Clara / Gao, Caroline / Gupta, Tina / Gur, Raquel E / Gur, Ruben C / Hamilton, Holly K / Hoftman, Gil D / Jacobs, Grace R / Jarcho, Johanna / Ji, Jie Lisa / Kohler, Christian G / Lalousis, Paris Alexandros / Lavoie, Suzie / Lepage, Martin / Liebenthal, Einat / Mervis, Josh / Murty, Vishnu / Nicholas, Spero C / Ning, Lipeng / Penzel, Nora / Poldrack, Russell / Polosecki, Pablo / Pratt, Danielle N / Rabin, Rachel / Rahimi Eichi, Habiballah / Rathi, Yogesh / Reichenberg, Avraham / Reinen, Jenna / Rogers, Jack / Ruiz-Yu, Bernalyn / Scott, Isabelle / Seitz-Holland, Johanna / Srihari, Vinod H / Srivastava, Agrima / Thompson, Andrew / Turetsky, Bruce I / Walsh, Barbara C / Whitford, Thomas / Wigman, Johanna T W / Yao, Beier / Yuen, Hok Pan / Ahmed, Uzair / Byun, Andrew Jin Soo / Chung, Yoonho / Do, Kim / Hendricks, Larry / Huynh, Kevin / Jeffries, Clark / Lane, Erlend / Langholm, Carsten / Lin, Eric / Mantua, Valentina / Santorelli, Gennarina / Ruparel, Kosha / Zoupou, Eirini / Adasme, Tatiana / Addamo, Lauren / Adery, Laura / Ali, Munaza / Auther, Andrea / Aversa, Samantha / Baek, Seon-Hwa / Bates, Kelly / Bathery, Alyssa / Bayer, Johanna M M / Beedham, Rebecca / Bilgrami, Zarina / Birch, Sonia / Bonoldi, Ilaria / Borders, Owen / Borgatti, Renato / Brown, Lisa / Bruna, Alejandro / Carrington, Holly / Castillo-Passi, Rolando I / Chen, Justine / Cheng, Nicholas / Ching, Ann Ee / Clifford, Chloe / Colton, Beau-Luke / Contreras, Pamela / Corral, Sebastián / Damiani, Stefano / Done, Monica / Estradé, Andrés / Etuka, Brandon Asika / Formica, Melanie / Furlan, Rachel / Geljic, Mia / Germano, Carmela / Getachew, Ruth / Goncalves, Mathias / Haidar, Anastasia / Hartmann, Jessica / Jo, Anna / John, Omar / Kerins, Sarah / Kerr, Melissa / Kesselring, Irena / Kim, Honey / Kim, Nicholas / Kinney, Kyle / Krcmar, Marija / Kotler, Elana / Lafanechere, Melanie / Lee, Clarice / Llerena, Joshua / Markiewicz, Christopher / Matnejl, Priya / Maturana, Alejandro / Mavambu, Aissata / Mayol-Troncoso, Rocío / McDonnell, Amelia / McGowan, Alessia / McLaughlin, Danielle / McIlhenny, Rebecca / McQueen, Brittany / Mebrahtu, Yohannes / Mensi, Martina / Hui, Christy Lai Ming / Suen, Yi Nam / Wong, Stephanie Ming Yin / Morrell, Neal / Omar, Mariam / Partridge, Alice / Phassouliotis, Christina / Pichiecchio, Anna / Politi, Pierluigi / Porter, Christian / Provenzani, Umberto / Prunier, Nicholas / Raj, Jasmine / Ray, Susan / Rayner, Victoria / Reyes, Manuel / Reynolds, Kate / Rush, Sage / Salinas, Cesar / Shetty, Jashmina / Snowball, Callum / Tod, Sophie / Turra-Fariña, Gabriel / Valle, Daniela / Veale, Simone / Whitson, Sarah / Wickham, Alana / Youn, Sarah / Zamorano, Francisco / Zavaglia, Elissa / Zinberg, Jamie / Woods, Scott W / Shenton, Martha E

    Schizophrenia bulletin

    2024  Volume 50, Issue 3, Page(s) 496–512

    Abstract: This article describes the rationale, aims, and methodology of the Accelerating Medicines Partnership® Schizophrenia (AMP® SCZ). This is the largest international collaboration to date that will develop algorithms to predict trajectories and outcomes of ... ...

    Abstract This article describes the rationale, aims, and methodology of the Accelerating Medicines Partnership® Schizophrenia (AMP® SCZ). This is the largest international collaboration to date that will develop algorithms to predict trajectories and outcomes of individuals at clinical high risk (CHR) for psychosis and to advance the development and use of novel pharmacological interventions for CHR individuals. We present a description of the participating research networks and the data processing analysis and coordination center, their processes for data harmonization across 43 sites from 13 participating countries (recruitment across North America, Australia, Europe, Asia, and South America), data flow and quality assessment processes, data analyses, and the transfer of data to the National Institute of Mental Health (NIMH) Data Archive (NDA) for use by the research community. In an expected sample of approximately 2000 CHR individuals and 640 matched healthy controls, AMP SCZ will collect clinical, environmental, and cognitive data along with multimodal biomarkers, including neuroimaging, electrophysiology, fluid biospecimens, speech and facial expression samples, novel measures derived from digital health technologies including smartphone-based daily surveys, and passive sensing as well as actigraphy. The study will investigate a range of clinical outcomes over a 2-year period, including transition to psychosis, remission or persistence of CHR status, attenuated positive symptoms, persistent negative symptoms, mood and anxiety symptoms, and psychosocial functioning. The global reach of AMP SCZ and its harmonized innovative methods promise to catalyze the development of new treatments to address critical unmet clinical and public health needs in CHR individuals.
    MeSH term(s) Humans ; Psychotic Disorders ; Schizophrenia ; Prospective Studies ; Adult ; Prodromal Symptoms ; Young Adult ; International Cooperation ; Adolescent ; Research Design/standards ; Male ; Female
    Language English
    Publishing date 2024-03-07
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural
    ZDB-ID 439173-1
    ISSN 1745-1701 ; 0586-7614
    ISSN (online) 1745-1701
    ISSN 0586-7614
    DOI 10.1093/schbul/sbae011
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