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Completed Phase 3 Interventional Results available

Tenecteplase in Stroke Patients Between 4.5 and 24 Hours

ClinicalTrials.gov ID: NCT03785678

Public ClinicalTrials.gov record NCT03785678. 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 Jul 22, 2026, 11:21 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 III, Prospective, Double-blind, Randomized, Placebo-controlled Trial of Thrombolysis in Imaging-eligible, Late-window Patients to Assess the Efficacy and Safety of Tenecteplase (TIMELESS)

Study identification

NCT ID
NCT03785678
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Genentech, Inc.
Industry
Enrollment
458 participants

Conditions and interventions

Conditions

Interventions

  • Tenecteplase Biological
  • Placebo Other

Biological · Other

Eligibility (public fields only)

Age range
18 Years and older
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
Mar 1, 2019
Primary completion
Feb 27, 2023
Completion
Feb 27, 2023
Last update posted
May 21, 2024

2019 – 2023

United States locations

U.S. sites
94
U.S. states
27
U.S. cities
77
Facility City State ZIP Site status
University of Alabama at Birmingham Birmingham Alabama 35294-3300
Banner Desert Medical Center Mesa Arizona 85202
Kaiser Permanente - Anaheim (E. La Palma) Anaheim California 92806
Mills-Peninsula Medical Center Burlingame California 94010
John Muir Health, Concord Medical Center Concord California 94520
Sutter Davis Hospital Davis California 95616
Kaiser Permanente - Fontana Fontana California 92335
Adventist Health Glendale Glendale California 91206
Kaiser Permanente South Bay Medical Center Harbor City California 90710
UCSD Medical Center - La Jolla La Jolla California 92037
Kaiser Permanente Los Angeles Los Angeles California 90027
University of Southern California Medical Center Los Angeles California 90033
Cedars-Sinai Medical Center Los Angeles California 90048
Cedars-Sinai Marina Del Rey Hospital Marina del Rey California 90292
Kaiser Permanente - Ontario Ontario California 91761
Stanford University Medical Center Palo Alto California 94304
Sutter Roseville Medical Center Roseville California 95661
Sutter Medical Group, Neurology Sacramento California 95816
UCSD - Hillcrest; Hillcrest Medical Center San Diego California 92103
CPMC - Van Ness Campus San Francisco California 94109
CPMC - Davies Campus San Francisco California 94114
Torrance Memorial Medical Center Torrance California 90505
John Muir Medical Center-Walnut Creek Walnut Creek California 94598
Hartford Hospital Hartford Connecticut 06102
University of Florida Health at Shands Gainesville Florida 32608
Baptist Medical Center - Jacksonville Jacksonville Florida 32207-8202
Baptist Medical Center-South Jacksonville Florida 32258
Jackson Memorial Hospital Miami Florida 33136
The Queen's Medical Center Honolulu Hawaii 96813
Northwestern University Chicago Illinois 60611
Advocate Christ Medical Center Oak Lawn Illinois 60453
Advocate Lutheran General Hospital Park Ridge Illinois 60068
St. Catherine Hospital East Chicago Indiana 46312
St. Mary Medical Center Hobart Indiana 46432
Community Hospital Munster Indiana 46321
Uni of Kansas Medical Center Kansas City Kansas 66160
Baptist Health Corbin Corbin Kentucky 40701
Baptist Health Lexington Lexington Kentucky 40503
Sinai Hospital of Baltimore Baltimore Maryland 21215
Johns Hopkins Baltimore Maryland 21287
Massachusetts General Hospital Boston Massachusetts 02114
Univ of Michigan Medical Ctr Ann Arbor Michigan 48109-0718
Henry Ford Macomb Hospital - Clinton Township Clinton Township Michigan 48038
Henry Ford Hospital Detroit Michigan 48202
McLaren Flint Flint Michigan 48532
Spectrum Health Hospitals Grand Rapids Michigan 49503
ProMedica Monroe Regional Hospital Monroe Michigan 48162
Fairview Ridges Hospital Burnsville Minnesota 55337
Fairview Southdale Edina Minnesota 55435
U of Minnesota MedCtr Fairview Minneapolis Minnesota 55455
Sanford Worthington Medical Center Worthington Minnesota 56187
Washington University St Louis Missouri 63128
JFK Neuroscience Institute Edison New Jersey 08820
Atlantic Health System - Overlook Medical Center Summit New Jersey 07901
Capital Health Regional Medical Center Trenton New Jersey 08638
Buffalo General Medical Center Buffalo New York 14203
Columbia University Medical Center New York New York 10032
Mission Hospitals Inc Asheville North Carolina 28803
Guilford Neurologic Research Greensboro North Carolina 27405
Univ of Cincinnati Cincinnati Ohio 45219
Cleveland Clinic Cleveland Ohio 44195
Riverside Methodist Hospital; Cancer Services Columbus Ohio 43214-1419
Grant Medical Center Columbus Ohio 43215
Doctors Hospital Columbus Ohio 43228
ProMedica Toledo Hospital Toledo Ohio 43606
Ascension St. John Tulsa Oklahoma 74104
Providence Portland Medical Center Portland Oregon 97213
Adventist Health Portland Portland Oregon 97216
Providence Saint Vincent's Medical Center Portland Oregon 97225
Oregon Health and Science University Portland Oregon 97239
UPMC East Hospital Monroeville Pennsylvania 15146
Penn Presbyterian Medical Center Philadelphia Pennsylvania 19104
Uni of Pennsylvania Philadelphia Pennsylvania 19104
Pennsylvania Hospital Philadelphia Pennsylvania 19107
University of Pittsburgh Medical Center Pittsburgh Pennsylvania 15213
UPMC Mercy Pittsburgh Pennsylvania 15219
UPMC Passavant Hospital Pittsburgh Pennsylvania 15237
Rhode Island Hospital Providence Rhode Island 02903
Sanford Neurology Clinic Sioux Falls South Dakota 57104
Chattanooga Center for Neurologic Research Chattanooga Tennessee 37404
Saint Thomas Rutherford Hospital Murfreesboro Tennessee 37129
Saint Thomas Health Nashville Tennessee 37205
Saint Thomas Midtown Hospital Nashville Tennessee 37232
Vanderbilt University Nashville Tennessee 37232
Dell Seton Medical center at the University of Texas Austin Texas 78701
Seton Medical Center Austin Austin Texas 78705
Valley Baptist Medical Center-Brownsville Brownsville Texas 78520
Baylor University Medical Center Dallas Texas 75231
Valley Baptist Medical Center Harlingen Texas 78550
University of Texas at Houston; Neurology Houston Texas 77030
Ascension Seton Hays Kyle Texas 78640
Ascension Seton Williamson Round Rock Texas 78665
University of Texas Health Science Center at San Antonio San Antonio Texas 78229
University of Virginia Charlottesville Virginia 22906

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 3 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03785678, 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 May 21, 2024 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03785678 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →