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Study of Two Digital Therapeutics for the Treatment of Experiential Negative Symptoms of Schizophrenia

A Randomized, Multicenter, 16-week Study to Evaluate the Efficacy and Safety of Two Prescription Digital Therapeutics as an Adjunct to Standard-of-Care Antipsychotic Therapy in Adult and Late Adolescent Participants With Experiential Negative Symptoms of Schizophrenia

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05838625
Acronym
CONVOKE
Enrollment
464
Registered
2023-05-01
Start date
2023-03-31
Completion date
2025-07-23
Last updated
2026-06-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Schizophrenia

Keywords

Prescription digital therapeutic (PDT), Software as a Medical Device (SaMD), Smartphone app, Schizophrenia, Negative Symptoms

Brief summary

This study evaluates the efficacy of two prescription digital therapeutics (PDT) in addition to standard of care (SOC) therapy for the treatment of experiential negative symptoms of schizophrenia in late adolescents and adults.

Detailed description

The purpose of the proposed study is to evaluate the efficacy and safety of two prescription digital therapeutics as an adjunct treatment to SOC in participants 18 years of age or older diagnosed with experiential negative symptoms of schizophrenia.

Interventions

DEVICECT-155

A software-based mobile application intended as a prescription digital therapeutic.

A software-based mobile application intended as a digital control to engage participants without delivering therapeutic benefit

Sponsors

Click Therapeutics, Inc.
Lead SponsorINDUSTRY
Boehringer Ingelheim
CollaboratorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

A participant will be eligible for entry into the study if all of the following criteria are met: 1. Has a primary diagnosis of schizophrenia. 2. Is on a stable dose of antipsychotic medication(s). 3. Has obtained an average score of ≥2 (moderate to severe) in at least two of the three CAINS-MAP domains (Social, Work, or Recreational).

Exclusion criteria

A participant will not be eligible for study entry if any of the following criteria are met: 1. Is currently treated with more than two antipsychotic medications (including more than two dosage forms). 2. Meets DSM-5, for diagnoses not under investigation. 3. Has participated in a CT-155 clinical study.

Design outcomes

Primary

MeasureTime frameDescription
Experiential negative symptomsBaseline to Week 16Change from baseline to Week 16 in experiential negative symptoms, as assessed by Clinical Assessment Interview for Negative Symptoms, Motivation and Pleasure Scale (CAINS-MAP)

Secondary

MeasureTime frameDescription
Motivation and pleasure symptomsBaseline to Week 8Change from baseline in motivation and pleasure symptoms at Week 8, as assessed by CAINS-MAP
Expressive negative symptomsBaseline to Weeks 8 and 16Change from baseline in expressive negative symptoms at Weeks 8 and 16, as assessed by the Clinical Assessment Interview for Negative Symptoms, Expressivity Scale (CAINS-EXP)
Positive symptomsBaseline to Weeks 8 and 16Change from baseline in positive symptoms at Weeks 8 and 16, as assessed by the Positive and Negative Syndrome Scale (PANSS)
Social functioningBaseline to Weeks 8 and 16Change from baseline in social functioning at Weeks 8 and 16, as assessed by the Personal and Social Performance Scale (PSP)
Self-reported defeatist beliefsBaseline to Weeks 8 and 16Change from baseline in self-reported defeatist beliefs at Weeks 8 and 16, as assessed by the Defeatist Beliefs Subscale of the Dysfunctional Attitudes Scale (DAS)
Patient global impression of improvementWeeks 8 and 16Patient Global Impression of Improvement Scale (PGI-I) at Weeks 8 and 16

Countries

United States

Contacts

STUDY_DIRECTORViveca Livezey, MD

Click Therapeutics

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jun 13, 2026