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Tesetaxel as First-line Therapy for Metastatic Breast Cancer

Phase 2
Conditions
Breast Neoplasm
Interventions
Registration Number
NCT01221870
Lead Sponsor
Genta Incorporated
Brief Summary

The intravenously administered taxane, paclitaxel, is one of the most commonly employed agents for the treatment of both localized and advanced breast cancer.

Tesetaxel is an orally administered taxane that is in development as first- and second-line treatment for patients with advanced cancers. This study is being undertaken to determine the efficacy and safety of tesetaxel administered as first-line therapy to patients with metastatic breast cancer.

Detailed Description

Not available

Recruitment & Eligibility

Status
UNKNOWN
Sex
Female
Target Recruitment
81
Inclusion Criteria
  • Female
  • At least 18 years of age
  • Histologically or cytologically confirmed adenocarcinoma of the breast
  • Stage IV disease
  • HER2 status negative
  • Measurable disease (revised RECIST; Version 1.1)
  • Eastern Cooperative Oncology Group performance status 0 or 1
  • Life expectancy of at least 3 months
  • Chemotherapy naïve or 1 prior chemotherapy regimen in the adjuvant setting (Prior taxane-based adjuvant therapy allowed provided patient had a disease-free interval of at least 12 months after completing this adjuvant therapy)
  • Prior hormonal therapy, aromatase inhibitor therapy, and immunotherapy allowed
  • Prior radiotherapy in the adjuvant setting allowed provided that less than 25% of the bone marrow had been irradiated
  • Adequate bone marrow, hepatic, and renal function, as specified in the protocol
  • At least 4 weeks and recovery from effects of prior surgery, hormonal therapy, aromatase inhibitor therapy, immunotherapy, radiotherapy, or other therapy with an approved or investigational agent
  • Ability to swallow an oral solid-dosage form of medication

Primary

Exclusion Criteria
  • Known metastasis to the central nervous system
  • History of other malignancy within the last 5 years other than curatively treated basal and squamous cell carcinoma of the skin or carcinoma of the cervix in situ
  • Significant medical disease other than Stage IV breast cancer
  • Presence of neuropathy > Grade 1 (NCI CTC, Version 4.0)
  • History of hypersensitivity to a taxane
  • Need to continue any regularly-taken medication that is a potent inhibitor or inducer of the CYP3A pathway or P-glycoprotein activity

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Tesetaxel once weeklyTesetaxel once weeklyTesetaxel 15 mg/m2 orally once every 7 days for 3 consecutive weeks in a 28-day cycle for up to 12 months
Tesetaxel once every 3 weeksTesetaxel once every 3 weeksTesetaxel 27 mg/m2 orally once every 21 days for up to 12 months
Primary Outcome Measures
NameTimeMethod
Response rate (revised RECIST)12 months from date of first dose of study medication for last patient enrolled

Proportion of patients with a confirmed complete or partial response

Secondary Outcome Measures
NameTimeMethod
Disease control rate12 months from date of first dose of study medication for last patient enrolled

Proportion of patients with a confirmed complete or partial response of any duration or stable disease ≥ 3 months in duration

Progression-free rate6 months from date of first dose of study medication for last patient enrolled

Proportion of patients without disease progression 6 months following the first dose of study medication

Durable response rate12 months from date of first dose of study medication for last patient enrolled

Proportion of patients with a confirmed complete or partial response ≥ 6 months in duration

Duration of response12 months from date of first dose of study medication for last patient enrolled

Date when response criteria are first met to the date when progression is first documented

Time to progression12 months from date of first dose of study medication for last patient enrolled

Date of first dose of study medication to the date when progression is first documented

Adverse eventsUp to 30 days after the last dose of study medication for a specific patient

Incidence of adverse events

Trial Locations

Locations (4)

The Moses H. Cone Regional Cancer Center

🇺🇸

Greensboro, North Carolina, United States

The West Clinic

🇺🇸

Memphis, Tennessee, United States

Memorial Sloan-Kettering Cancer Center

🇺🇸

New York, New York, United States

Texas Oncology - Baylor Charles A. Sammons Cancer Center

🇺🇸

Dallas, Texas, United States

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