Completed

Randomized, Placebo-Controlled, Double-Blind, Phase 2 Study Of AG-013736 In Combination With Docetaxel Versus Docetaxel Alone In Patients With Metastatic Breast Cancer Preceded By A Phase 1 Evaluation Of The Combination

0 criteria met from your profileSee at a glance how your profile meets each eligibility criteria.
What is being tested

Placebo

+ Docetaxel
+ AG-013736 (axitinib)
Drug
Who is being recruted

Breast Diseases
+2

+ Breast Neoplasms
+ Neoplasms
Over 18 Years
See all eligibility criteria
How is the trial designed

Treatment Study

Phase 1 & 2
Interventional
Study Start: February 2004
See protocol details

Summary

Principal SponsorPfizer
Last updated: January 14, 2026
Sourced from a government-validated database.Claim as a partner
Study start date: February 1, 2004Actual date on which the first participant was enrolled.

The primary purpose of the study is to determine the time to progression of the combination of study drug (AG-013736) and docetaxel versus docetaxel alone in patients who have not received prior chemotherapy for metastatic breast cancer. The secondary purpose of the study is to determine the dose of study drug that can be given with docetaxel administered on an every 3 week schedule.

Official TitleRandomized, Placebo-Controlled, Double-Blind, Phase 2 Study Of AG-013736 In Combination With Docetaxel Versus Docetaxel Alone In Patients With Metastatic Breast Cancer Preceded By A Phase 1 Evaluation Of The Combination 
NCT00076024
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
174 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 effectiveness of the treatment is controlled
In a non placebo-controlled study, no participants receive an inert substance (placebo) to compare outcomes. Instead, all participants receive either the experimental treatment or an alternative treatment (often the Standard of Care). This method allows researchers to compare the effects of the experimental treatment with those of a different active intervention, rather than a placebo.

Other Options
Placebo-Controlled: A placebo is used to compare the effects of the experimental treatment with those of an inert substance, isolating the true treatment effect.

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
FemaleBiological sex of participants that are eligible to enroll.
Over 18 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
Breast Diseases
Breast Neoplasms
Neoplasms
Neoplasms by Site
Skin Diseases
Criteria

Inclusion Criteria: * Female patients with histologically/cytologically proven metastatic breast carcinoma (stage IV, or recurrent with local or regional spread or distant metastatic disease) * Adequate bone marrow, liver, and renal function Exclusion Criteria: * Adjuvant chemotherapy given in the past 12 months * Uncontrolled brain metastases

Study Plan

Find out more about all the medication administered in this study, their detailed description and what they involve.
Treatment Groups
Study Objectives
2 intervention groups 

are designated in this study

This study does not include a placebo group 

Treatment Groups
Group I
Docetaxel + Placebo

5 mg twice daily \[bid\] continuous dosing

Standard of care drug administration
Group II
Experimental
Docetaxel + AG-013736

5mg twice daily \[bid\] continuous dosing

Standard of care drug administration
Study Objectives
Primary Objectives

Time in days from start of study treatment to first documentation of objective tumor progression or death due to cancer, whichever comes first. TTP was calculated as first event date minus the date of first dose of study medication plus 1. Tumor progression was determined from oncologic assessment data (where data meet the criteria for progressive disease \[PD\]).
Secondary Objectives

Percentage of participants with OR based assessment of confirmed complete response (CR) or confirmed partial response (PR) according to Response Evaluation Criteria in Solid Tumors (RECIST). Confirmed responses are those that persist on repeat imaging study at least 4 weeks after initial documentation of response. CR are defined as the disappearance of all lesions (target and/or non target). PR are those with at least 30 percent (%) decrease in the sum of the longest dimensions of the target lesions taking as a reference the baseline sum longest dimensions.

Percentage of participants with OR based assessment of confirmed complete response (CR) or confirmed partial response (PR) according to Response Evaluation Criteria in Solid Tumors (RECIST). Confirmed responses are those that persist on repeat imaging study at least 4 weeks after initial documentation of response. CR are defined as the disappearance of all lesions (target and/or non target). PR are those with at least 30% decrease in the sum of the longest dimensions of the target lesions taking as a reference the baseline sum longest dimensions.

Time in days from the first documentation of objective tumor response to objective tumor progression or death due to any cause. Duration of tumor response was calculated as the date of the first documentation of objective tumor progression or death due to cancer minus the date of the first CR or PR that was subsequently confirmed plus 1. DR was calculated for the subgroup of participants with a confirmed objective tumor response.

Time in days from the first documentation of objective tumor response to objective tumor progression or death due to any cause. Duration of tumor response was calculated as the date of the first documentation of objective tumor progression or death due to cancer minus the date of the first CR or PR that was subsequently confirmed plus 1. DR was calculated for the subgroup of participants with a confirmed objective tumor response.

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 54 locations
Suspended
Pfizer Investigational SiteNottingham, United KingdomSee the location
Suspended
Pfizer Investigational SiteSheffield, United Kingdom
Suspended
Pfizer Investigational SiteTucson, United States
Suspended
Pfizer Investigational SiteTucson, United States
Completed54 Study Centers