NCT04024371

Brief Summary

Deficits or abnormalities in reward processing are present in a number of psychiatric disorders. The overarching objective of the study is to conduct initial validation work towards optimising three experimental tasks - which have previously been shown to be sensitive to reward processing deficits - for future use in clinical trials. This initial validation work has the primary objective to uncover group differences in task outcome measures between healthy control participants, participants with Major Depressive Disorder (MDD) and participants with schizophrenia (SZ) using statistical analyses. This may provide some indications for the use of these tasks as clinically-relevant biomarkers. Primary aims include: (i) comparing the investigator's endpoint means and distributions to those in previously published data; (ii) replication of previously-reported differences between MDD/SZ vs. healthy control participants, and, (iii) exploring the relationship between task endpoints and subjective participant- and clinician-rated report of reward-related constructs (e.g. anhedonia, negative symptoms).

Trial Health

90
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
160

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Sep 2019

Geographic Reach
4 countries

4 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 16, 2019

Completed
2 days until next milestone

First Posted

Study publicly available on registry

July 18, 2019

Completed
2 months until next milestone

Study Start

First participant enrolled

September 16, 2019

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2021

Completed
Last Updated

July 26, 2022

Status Verified

July 1, 2022

Enrollment Period

1.4 years

First QC Date

July 16, 2019

Last Update Submit

July 25, 2022

Conditions

Outcome Measures

Primary Outcomes (3)

  • Grip effort outcome

    Percentage of hard task choices at different reward levels

    Day 1

  • Doors task outcome

    "Feedback negativity", an event-related potential (ERP) at approximately 300ms after feedback presentation indicating a favourable versus unfavourable outcome in paradigms in which the participant loses or wins money.

    Day 1

  • RL/WM task outcome

    Accuracy as function of set size (difficulty)

    Day 1

Study Arms (3)

HV

Humans aged 20-55 without a diagnosis of a psychiatric and neurological disorder.

Behavioral: Self-rating QuestionnairesBehavioral: Measures of Reward processing/reinforcement learning

SZ

Humans aged 20-55 with a primary Diagnostic and Statistical Manual of Mental Disorders 5th edition (DSM-5) diagnosis of Schizophrenia.

Behavioral: Self-rating QuestionnairesBehavioral: Measures of Reward processing/reinforcement learningBehavioral: Additional Schizophrenia-specific Questionnaires and Interviews

MDD

Humans aged 20-55 with a primary Diagnostic and Statistical Manual of Mental Disorders 5th edition (DSM-5) diagnosis of MDD.

Behavioral: Self-rating QuestionnairesBehavioral: Measures of Reward processing/reinforcement learning

Interventions

* Snaith-Hamilton Pleasure Scale (SHAPS; Snaith et al. 1995) * Quick Inventory of Depressive Symptomatology (QIDS; 16 items) * Behavioral avoidance/inhibition Scales (BIS/BAS)

HVMDDSZ

* Grip Strength Effort Task (Reddy et al. 2015; in combination with EEG) * Doors (Gambling) task (Foti and Hajcak 2009; in combination with EEG) * Reinforcement Learning/Working Memory task (Collins et al. 2017; no EEG)

HVMDDSZ

* Positive and Negative Syndrome Scale (PANSS: Kay et al. 1987) * Brief Negative Symptom Scale (BNSS; Kirkpatrick et al. 2011)

SZ

Eligibility Criteria

Age20 Years - 55 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)
Sampling MethodNon-Probability Sample
Study Population

A sample of 37 completed individuals with MDD, 37 completed individuals with SZ, and a maximum of 80 healthy volunteers (without a neurological or psychiatric disorder) who will not differ on age or gender.

General: 1. Be able to provide signed and dated informed consent for study participation. 2. Be male or female, aged between 20 and 55 years, inclusive. 3. Be able to read, write, and speak the language in which psychometric tests are provided, with acceptable visual and auditory acuity (corrected if necessary). 4. Unless otherwise stated, CNS medications to treat symptoms of MDD or SZ and other stable CNS conditions requiring medication is permitted in the MDD and SZ groups, provided the daily dose of medication has not been changed by more than +/- 30% in the last 4 weeks before the start of the study, and is not expected to change by a larger fraction while participating in the study. MDD Participants must: 1. Have a primary Diagnostic and Statistical Manual of Mental Disorders 5th edition (DSM-5) diagnosis of MDD, confirmed by the result of the MINI interview conducted by the site at screening. Subjects with a diagnosis of comorbid Generalized Anxiety Disorder (GAD), Social Anxiety Disorder (SAD), Panic Disorder or specific phobia may be included. 2. Meet the DSM-5 criteria for a current Major Depressive Episode, with the current depressive episode not having lasted longer than 6 months. 3. If undergoing treatment, be currently treated with an antidepressant approved in this protocol for at least 4 continuous weeks. Psychological treatments (e.g., Cognitive Behaviour Therapy, Interpersonal Psychotherapy, Psychodynamic Psychotherapy etc.) are all permitted in this study regardless of frequency and duration. SZ Subjects must: 1. Have a primary diagnosis of schizophrenia according to the Statistical Manual of Mental Disorders 5th edition (DSM-5), confirmed by the result of the MINI interview conducted by the site at screening. Subjects with a diagnosis of comorbid Generalized Anxiety Disorder (GAD), Social Anxiety Disorder (SAD), Panic Disorder or specific phobia may be included. 2. Dose of antipsychotics not exceeding the equivalent of 6 mg risperidone.

Contact the study team to discuss eligibility requirements. They can help determine if this study is right for you.

Sponsors & Collaborators

Study Sites (4)

University Hospital Frankfurt, Department of Psychiatry, Psychosomatic Medicine and Psychotherap

Frankfurt, Germany

Location

Aristotle University of Thessaloniki, School of Medicine, Department of Clinical Pharmacology

Thessaloniki, Greece

Location

Maastricht University

Maastricht, Netherlands

Location

Institute of Neuropsychiatry and Addictions (INAD), Parc de Salut Mar, Barcelona

Barcelona, Spain

Location

Related Publications (4)

  • Foti D, Hajcak G. Depression and reduced sensitivity to non-rewards versus rewards: Evidence from event-related potentials. Biol Psychol. 2009 Apr;81(1):1-8. doi: 10.1016/j.biopsycho.2008.12.004. Epub 2008 Dec 31.

    PMID: 19162124BACKGROUND
  • Collins AGE, Albrecht MA, Waltz JA, Gold JM, Frank MJ. Interactions Among Working Memory, Reinforcement Learning, and Effort in Value-Based Choice: A New Paradigm and Selective Deficits in Schizophrenia. Biol Psychiatry. 2017 Sep 15;82(6):431-439. doi: 10.1016/j.biopsych.2017.05.017. Epub 2017 May 31.

    PMID: 28651789BACKGROUND
  • Reddy LF, Horan WP, Barch DM, Buchanan RW, Dunayevich E, Gold JM, Lyons N, Marder SR, Treadway MT, Wynn JK, Young JW, Green MF. Effort-Based Decision-Making Paradigms for Clinical Trials in Schizophrenia: Part 1-Psychometric Characteristics of 5 Paradigms. Schizophr Bull. 2015 Sep;41(5):1045-54. doi: 10.1093/schbul/sbv089. Epub 2015 Jul 3.

  • Bilderbeck AC, Raslescu A, Hernaus D, Hayen A, Umbricht D, Pemberton D, Tiller J, Sogaard B, Sambeth A, van Amelsvoort T, Reif A, Papazisis G, Perez V, Elices M, Maurice D, Bertaina-Anglade V, Dawson GR, Pollentier S. Optimizing Behavioral Paradigms to Facilitate Development of New Treatments for Anhedonia and Reward Processing Deficits in Schizophrenia and Major Depressive Disorder: Study Protocol. Front Psychiatry. 2020 Nov 5;11:536112. doi: 10.3389/fpsyt.2020.536112. eCollection 2020.

MeSH Terms

Conditions

SchizophreniaDepressionAnhedonia

Interventions

Interviews as Topic

Condition Hierarchy (Ancestors)

Schizophrenia Spectrum and Other Psychotic DisordersMental DisordersBehavioral SymptomsBehaviorNeurobehavioral ManifestationsNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Data CollectionEpidemiologic MethodsInvestigative TechniquesHealth Care Evaluation MechanismsQuality of Health CareHealth Care Quality, Access, and EvaluationPublic HealthEnvironment and Public Health

Study Officials

  • Dennis Hernaus, PhD

    Maastricht University

    STUDY DIRECTOR

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
CROSS SECTIONAL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 16, 2019

First Posted

July 18, 2019

Study Start

September 16, 2019

Primary Completion

February 1, 2021

Study Completion

February 1, 2021

Last Updated

July 26, 2022

Record last verified: 2022-07

Data Sharing

IPD Sharing
Will share

The RTOC clinical study has received funding from Boehringer Ingelheim International GmbH, H. Lundbeck, Janssen Pharmaceutica, Blackthorn Therapeutics, and F. Hoffmann-La Roche Ltd. All individual data will be made available to these parties.

Shared Documents
STUDY PROTOCOL, SAP, ANALYTIC CODE

Locations