Breast Cancer Clinical Trial
A Study of PF-06873600 in People With Cancer
Summary
The purpose of this clinical trial is to learn about the safety and effects of study medicine (PF-06873600) when taken alone or with hormone therapy by people with cancer.
People may be able to participate in this study if they have the following types of cancer: Hormone Receptor positive (HR+) breast cancer; Human Epidermal Growth Factor Receptor 2 (HER2)-negative breast cancer that is advanced or metastatic (spread to other parts of the body); triple negative breast cancer; epithelial ovarian cancer; fallopian tube cancer; or primary peritoneal cancer.
All participants in this study will receive the study medicine by mouth, 1 to 2 times a day at home. The dose of the study medicine may be changed during the study.
Some participants will also receive hormone therapy. The hormone therapy will be either letrozole by mouth once a day at home, or fulvestrant as a shot into the muscle. Fulvestrant will be given every two weeks at the study clinic for the first month, and then once a month after that.
Participants will take part in this study for at least 7 to 8 months, depending on how they respond to the therapy. During this time participants will visit the study clinic once a week.
Full Description
This is a Phase 1/2a, open-label, multi-center, non-randomized, multiple dose, safety, tolerability, pharmacokinetic, and pharmacodynamic study of PF-06873600 administered as a single agent in sequential dose levels and then in combination with endocrine therapy. In Part 1A and Part 1C, successive cohorts of patients will receive escalating doses of PF-06873600 and then in dose finding (Part 1B) with PF-06873600 in combination with endocrine therapy (ET). This study contains 2 parts, dose escalation with single agent (Part 1A and 1C) and then dose finding with PF-06873600 in combination with endocrine therapy (Part 1B) followed by dose expansion arms of PF-06873600 in combination with endocrine therapy (Part 2).
Eligibility Criteria
Inclusion Criteria:
Have a diagnosis of Hormone Receptor Positive (HR+), Human Epidermal Growth Factor Receptor 2 Negative (HER2-) breast cancer
• Prior combined CDK 4/6 inhibitor and endocrine therapy and 1 or 2 prior lines of chemotherapy
Have a diagnosis of metastatic triple negative breast cancer (TNBC)
• Up to 1-2 prior lines of chemotherapy
Have a diagnosis of advanced platinum resistant epithelial ovarian cancer (EOC)/fallopian tube cancer/primary peritoneal cancer (PPC)
• Up to 2-3 prior lines of therapy
Eastern Cooperative Oncology Group (ECOG) Performance Status (PS) 0 or 1
Measurable disease or non-measurable disease and refractory to or intolerant of existing therapies (Part 1)
Measurable disease as defined by RECIST 1.1 is required (Part 1B and Part 2 only)
Exclusion Criteria:
Known active uncontrolled or symptomatic Central Nervous System (CNS) metastases
Other active malignancy within 3 years prior to randomization, except for adequately treated basal cell or squamous cell skin cancer, or carcinoma in situ
Major surgery or radiation within 4 weeks prior to study entry
Last anti-cancer treatment within 2 weeks prior to study entry
Participation in other studies involving investigational drug(s) within 4 weeks prior to study entry
Pregnant or breastfeeding female patients
Active inflammatory gastrointestinal (GI) disease, known diverticular disease or previous gastric resection or lap band surgery including impairment of gastro intestinal function or GI disease
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There are 45 Locations for this study
Birmingham Alabama, 35233, United States
Birmingham Alabama, 35249, United States
Scottsdale Arizona, 85258, United States
Scottsdale Arizona, 85258, United States
Scottsdale Arizona, 85258, United States
Fayetteville Arkansas, 72703, United States
Rogers Arkansas, 72758, United States
Springdale Arkansas, 72762, United States
Springdale Arkansas, 72762, United States
Glendale California, 91204, United States
Long Beach California, 90805, United States
San Francisco California, 94143, United States
San Francisco California, 94158, United States
Santa Ana California, 92705, United States
Santa Monica California, 90404, United States
Santa Monica California, 90404, United States
Whittier California, 90602, United States
Aurora Colorado, 80045, United States
Aurora Colorado, 80045, United States
Aurora Colorado, 80045, United States
Lone Tree Colorado, 80124, United States
Fort Lauderdale Florida, 33308, United States
Boston Massachusetts, 02114, United States
Boston Massachusetts, 02115, United States
Boston Massachusetts, 02215, United States
Boston Massachusetts, 02215, United States
Long Island City New York, 11101, United States
New York New York, 10065, United States
Nashville Tennessee, 37203, United States
Nashville Tennessee, 37203, United States
Nashville Tennessee, 37203, United States
Houston Texas, 77030, United States
San Antonio Texas, 78229, United States
Federal Way Washington, 98003, United States
Gig Harbor Washington, 98332, United States
Puyallup Washington, 98373, United States
Puyallup Washington, 98373, United States
Seattle Washington, 98109, United States
Seattle Washington, 98109, United States
Seattle Washington, 98195, United States
Tacoma Washington, 98405, United States
Dobrich , 9300, Bulgaria
Haskovo , 6300, Bulgaria
Plovdiv , 4000, Bulgaria
Montreal Quebec, H4A 3, Canada
Kashiwa Chiba, 277-8, Japan
Yokohama Kanagawa, 24185, Japan
Pushkin Saint-petersburg, 19660, Russian Federation
Omsk , 64401, Russian Federation
Omsk , 64404, Russian Federation
Saint-Petersburg , 19102, Russian Federation
Saint-Petersburg , 19200, Russian Federation
Dnipro Dnipropetrovska Oblast, 49102, Ukraine
Kharkiv Kharkivska Oblast, 61166, Ukraine
Kyiv , 03115, Ukraine
Lviv , 79031, Ukraine
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