ClinicalTrials.gov record
Terminated Phase 2 Interventional Results available

A Study to Evaluate the Efficacy and Safety of Semorinemab in Patients With Prodromal to Mild Alzheimer's Disease

ClinicalTrials.gov ID: NCT03289143

Public ClinicalTrials.gov record NCT03289143. 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 May 12, 2026, 2:02 PM 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 II, Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group, Efficacy, and Safety Study of MTAU9937A in Patients With Prodromal to Mild Alzheimer's Disease

Study identification

NCT ID
NCT03289143
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
Genentech, Inc.
Industry
Enrollment
457 participants

Conditions and interventions

Interventions

  • Placebo Drug
  • Semorinemab Drug
  • [18F]GTP1 Drug

Drug

Eligibility (public fields only)

Age range
50 Years to 80 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
Oct 3, 2017
Primary completion
Jan 14, 2021
Completion
Jan 14, 2021
Last update posted
Mar 15, 2022

2017 – 2021

United States locations

U.S. sites
43
U.S. states
17
U.S. cities
42
Facility City State ZIP Site status
University of Alabama at Birmingham Birmingham Alabama 35249
California Clinical Trials Glendale California 91206
University of California Irvine Irvine California 92697
Pharmacology Research Inst Newport Beach California 92660
Stanford Neuroscience Health Center (SNHC) Palo Alto California 94304
Pacific Research Network - PRN San Diego California 92103
Neurological Research Inst Santa Monica California 90404
Collaborative Neuroscience Network Inc. Torrance California 90502
Invicro, a Konica Minolta company New Haven Connecticut 06510
Yale University New Haven Connecticut 06510
KI Health Partners, LLC; New England Institute for Clinical Research Stamford Connecticut 06905
Georgetown University Hospital Washington D.C. District of Columbia 20057
JEM Research LLC Atlantis Florida 33462
Bradenton Research Center Bradenton Florida 34205
Brain Matters Research, Inc. Delray Beach Florida 33445
Neuropsychiatric Research; Center of Southwest Florida Fort Myers Florida 33912
Miami Jewish Health Systems Miami Florida 33137
Collier Neurologic Specialists Naples Florida 34105
Compass Research East, LLC Orlando Florida 32806
Stedman Clinical Trials, LLC Tampa Florida 33613
Alzheimer's Research and Treatment Center Wellington Florida 33414
Premiere Research Institute West Palm Beach Florida 33407
Emory University; Global Health Atlanta Georgia 30322
Rush Alzheimer's Disease Cntr. Chicago Illinois 60612
Alexian Brothers Neuroscience Institute Elk Grove Village Illinois 60007
Southern Illinois University, School of Medicine Springfield Illinois 62702
Eastern Maine Medical Center Bangor Maine 04401
Brigham & Women's Hosp; TIMI Study Grp Boston Massachusetts 02115
Alzheimers Disease Center Quincy Massachusetts 02169
Health Partners Institute for Education and Research Saint Paul Minnesota 55130
NeuroCognitive Institute Mount Arlington New Jersey 07856
Advanced Memory Research Institute of NJ Toms River New Jersey 08755
Albany Medical College; Neurology Albany New York 12208
Empire Neurology PC; MS Center of Northeastern NY Latham New York 12110
Columbia Univ Medical Center New York New York 10032
University of Rochester; AD-CARE Rochester New York 14642
Summit Research Network Inc. Portland Oregon 97210
Abington Neurological Associates Abington Pennsylvania 19001
Rhode Island Mood & Memory Research Institute East Providence Rhode Island 02914
Butler Hospital Providence Rhode Island 02906
Neurology Clinic PC Cordova Tennessee 38018
New Orleans Center For Clinical Research Knoxville Tennessee 37920
Clinical Neuroscience Research Associates, Inc. Bennington Vermont 05201

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 90 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03289143, 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 Mar 15, 2022 · Synced May 12, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03289143 live on ClinicalTrials.gov.

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