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Completed Phase 2 Interventional Results available

A Study to Evaluate the Safety and Efficacy of BIIB104 in Participants With Cognitive Impairment Associated With Schizophrenia (CIAS)

ClinicalTrials.gov ID: NCT03745820

Public ClinicalTrials.gov record NCT03745820. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 5, 2026, 2:17 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2, Randomized, Double-Blind, Multiple-Dose, Placebo-Controlled Study to Evaluate the Safety and Efficacy of BIIB104 in Subjects With Cognitive Impairment Associated With Schizophrenia (CIAS)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The primary objective of the study is to evaluate the efficacy of BIIB104 in participants with CIAS, using the Working Memory Domain of the MATRICS Consensus Cognitive Battery (MCCB). The secondary objectives of this study are to evaluate the safety and tolerability of BIIB104 in participants with CIAS, and to evaluate the efficacy of BIIB104 in participants with CIAS on measures of cognition, functioning, and psychiatric symptomology.

Study identification

NCT ID
NCT03745820
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Biogen
Industry
Enrollment
195 participants

Conditions and interventions

Interventions

Drug · Other

Eligibility (public fields only)

Age range
18 Years to 55 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 14, 2018
Primary completion
Mar 22, 2022
Completion
Apr 6, 2022
Last update posted
Apr 17, 2023

2018 – 2022

United States locations

U.S. sites
37
U.S. states
15
U.S. cities
34
Facility City State ZIP Site status
Pillar Clinical Research, LLC Bentonville Arkansas 72712
ProScience Research Group Culver City California 90230
Collaborative Neuroscience Network, LLC Garden Grove California 92845
Synergy San Diego Lemon Grove California 91945
Research Site Long Beach California 90807
Catalina Research Institute, LLC Montclair California 91763
Excell Research Oceanside California 92056
Research Site Pico Rivera California 90660
CNRI - San Diego, LLC San Diego California 92102
Artemis Institute for Clinical Research San Diego California 92103
Research Site San Diego California 92123
Research Site San Rafael California 94901
Research Site Torrance California 90502
Yale University, Department of Psychiatry New Haven Connecticut 06519
Research Site Lauderhill Florida 33319
Premier Clinical Research Institute, Inc. Miami Florida 33122
Stedman Clinical Trials Tampa Florida 33613
Atlanta Center for Medical Research Atlanta Georgia 30331
Augusta University Augusta Georgia 30912
Research Site Decatur Georgia 30030
Research Site Chicago Illinois 60611
Alexian Brothers Hospital Network Hoffman Estates Illinois 60169
Southern Illinois University, School of Medicine Springfield Illinois 62702
Research Site Gaithersburg Maryland 20877
Cherry Health Grand Rapids Michigan 49503
Research Site Flowood Mississippi 39232
Research Site St Louis Missouri 63128
St. Louis Clinical Trials, LC St Louis Missouri 63141
Hassman Research Institute Berlin New Jersey 08009
UB Department Psychiatry Buffalo New York 104051
Neurobehavioral Research, Inc. Cedarhurst New York 11516
Finger Lakes Clinical Research Rochester New York 14618
The Ohio State University Department of Psychiatry Columbus Ohio 43210
Research Site North Canton Ohio 44720
Research Site Richardson Texas 75080
The University of Texas Health Science Center at San Antonio San Antonio Texas 78207
Research Site Kirkland Washington 98033

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 23 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03745820, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 17, 2023 · Synced Sep 5, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03745820 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →