Suspended

A Double-Blind, Placebo-Controlled, Multi-Center Study to Evaluate the Efficacy and Safety of a 72-Hour Infusion of CP-101,606 in Subjects With Acute Ischemic Stroke.

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What is being tested

Data Collection

Who is being recruted

Brain Diseases
+4

+ Cardiovascular Diseases
+ Central Nervous System Diseases
From 40 to 90 Years
See all eligibility criteria
How is the trial designed

Treatment Study

Phase 2
Interventional
Study Start: September 2003
See protocol details

Summary

Principal SponsorPfizer
Last updated: January 14, 2026
Sourced from a government-validated database.Claim as a partner
Study start date: September 1, 2003Actual date on which the first participant was enrolled.

The purpose of this study is to determine whether a new research medication is effective and safe for the treatment of acute stroke when given within 6 hours of the onset of stroke.

Official TitleA Double-Blind, Placebo-Controlled, Multi-Center Study to Evaluate the Efficacy and Safety of a 72-Hour Infusion of CP-101,606 in Subjects With Acute Ischemic Stroke. 
NCT00073476
Principal SponsorPfizer
Last updated: January 14, 2026
Sourced from a government-validated database.Claim as a partner

Protocol

This section provides details of the study plan, including how the study is designed and what the study is measuring.
Design Details
300 patients to be enrolledTotal number of participants that the clinical trial aims to recruit.
Treatment Study
These studies test new ways to treat a disease, condition, or health issue. The goal is to see if a new drug, therapy, or approach works better or has fewer side effects than existing options.

How participants are assigned to different groups/arms
In this clinical study, participants are placed into groups randomly, like flipping a coin. This ensures that the study is fair and unbiased, making the results more reliable. By assigning participants by chance, researchers can better compare treatments without external influences.

Other Ways to Assign Participants
Non-randomized allocation: Participants are assigned based on specific factors, such as their medical condition or a doctor's decision.
None (Single-arm trial): If the study has only one group, all participants receive the same treatment, and no allocation is needed.

How treatments are given to participants
Participants are divided into different groups, each receiving a specific treatment at the same time. This helps researchers compare how well different treatments work against each other.

Other Ways to Assign Treatments
Single-group assignment: Everyone gets the same treatment.
Cross-over assignment: Participants switch between treatments during the study.
Factorial assignment: Participants receive different combinations of treatments.
Sequential assignment: Participants receive treatments one after another in a specific order, possibly based on individual responses.
Other assignment: Treatment assignment does not follow a standard or predefined design.

How the interventions assigned to participants is kept confidential
Neither participants nor researchers know who is receiving which treatment. This is the most rigorous way to reduce bias, ensuring that expectations do not influence the results.

Other Ways to Mask Information
Open-label: Everyone knows which treatment is being given.
Single-blind: Participants do not know which treatment they are receiving, but researchers do.
Triple-blind: Participants, researchers, and outcome assessors do not know which treatment is given.
Quadruple-blind: Participants, researchers, outcome assessors, and care providers all do not know which treatment is given.

Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Conditions
Criteria
Any sexBiological sex of participants that are eligible to enroll.
From 40 to 90 YearsRange of ages for which participants are eligible to join.
Healthy volunteers not allowedIf individuals who are healthy and do not have the condition being studied can participate.
Conditions
Pathology
Brain Diseases
Cardiovascular Diseases
Central Nervous System Diseases
Cerebrovascular Disorders
Nervous System Diseases
Vascular Diseases
Stroke
Criteria

Inclusion Criteria: Males \& females age 40-90 years Enrolled in study within 6 hours of onset of stroke symptoms Willing to sign informed consent form No significant disabilities prior to stroke Exclusion Criteria: Treatment with t-PA (tissue plasminogen activator) Premorbid modified rankin scale score of 2 or more

Study Plan

Find out more about all the medication administered in this study, their detailed description and what they involve.
Study Objectives
Study Objectives
Primary Objectives

Secondary Objectives

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.
This study has 30 locations
Suspended
Pfizer Investigational SiteLa Mesa, United StatesSee the location
Suspended
Pfizer Investigational SiteAtlanta, United States
Suspended
Pfizer Investigational SiteFort Wayne, United States
Suspended
Pfizer Investigational SiteFort Wayne, United States
Suspended30 Study Centers
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