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Trial Title: Letrozole and CDK 4/6 Inhibitor for ER Positive, HER2 Negative Breast Cancer in Postmenopausal Women

NCT ID: NCT01709370

Condition: ER Positive, HER2 Negative Breast Cancer

Conditions: Official terms:
Breast Neoplasms
Letrozole
Palbociclib

Study type: Interventional

Study phase: Phase 2

Overall status: Unknown status

Study design:

Allocation: N/A

Intervention model: Single Group Assignment

Primary purpose: Treatment

Masking: None (Open Label)

Intervention:

Intervention type: Drug
Intervention name: Letrozole, PD 0332991
Arm group label: Letrozole plus PD 0332991

Summary: This is a phase II study evaluating the efficacy and safety of the pre-operative use of letrozole plus PD 0332991 (combination therapy)

Criteria for eligibility:
Criteria:
Inclusion Criteria: - Postmenopausal women - Primary tumor greater than 2 cm in diameter - Histologically proven invasive breast cancer - Positive estrogen receptor - Negative HER-2 receptor - ECOG performance status ≤ 1 or Karnofsky performance status ≥ 70% - Laboratory values must be follows: Absolute neutrophil count ≥ 1,500/mm3; Platelets ≥ 100,000/mm3; Hemoglobin ≥ 9 g/dL; Bilirubin ≤ 1.5 × institutional upper limit of normal (ULN); Serum Creatinine ≤ 1.5 × ULN; Alkaline phosphatase ≤ 2 × ULN; AST and ALT ≤ 2 × ULN; Normal finding of ECG - QTc ≤ 470 msec (based on the mean value of the triplicate ECGs); Left ventricular ejection fraction (LVEF) ≥ 60%. - Able to give written informed consent form - Able to follow prescription instructions reasonably well Exclusion Criteria: - Male - Severe psychiatric disorder - Prior history of other malignancy within 5 years of study entry, aside from basal cell carcinoma or the skin or carcinoma-in-situ of the uterine cervix - Locally advanced breast cancer (T3N1 or Any T4 or Any N2, N3), or distant metastasis - Multifocal or multicentric breast cancer except that the largest lesion is greater than 2cm - Major surgery within 3 weeks of first study treatment - Current use or anticipated need for: Food or drugs that are known strong CYP3A4 inhibitors; drugs that are known strong CYP3A4 inducers - Severe cardiovascular diseases in the previous 6 months - Active inflammatory bowel disease or chronic diarrhea - Renal Impairment - Poor adrenal function - Hepatitis B and/or hepatitis C carriers (unless with normal hepatic function) - Known human immunodeficiency virus infection - Known hypersensitivity to anti-aromatase drugs or any cell cycle inhibitor - Other severe acute or chronic medical or psychiatric condition, or laboratory abnormality that would impart, in the judgment of the investigator, excess risk associated with study participation or study drug administration, or which, in the judgment of the investigator, would make the patient inappropriate for entry into this study

Gender: Female

Minimum age: 18 Years

Maximum age: N/A

Healthy volunteers: No

Locations:

Facility:
Name: Unimed Medical Institute

Address:
City: Hong Kong
Country: China

Status: Recruiting

Contact:
Last name: Louis Chow, MD

Phone: (852)28610286

Investigator:
Last name: Louis Chow, MD
Email: Principal Investigator

Start date: February 2012

Lead sponsor:
Agency: Organisation for Oncology and Translational Research
Agency class: Other

Source: Organisation for Oncology and Translational Research

Record processing date: ClinicalTrials.gov processed this data on November 12, 2024

Source: ClinicalTrials.gov page: https://clinicaltrials.gov/ct2/show/NCT01709370

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