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Study for Participants Continuing From Pfizer-sponsored Palbociclib (a Study Medicine) Studies
Sponsor: Pfizer
Summary
The purpose of this clinical trial is to provide study medicine(s) and learn about their safety. This study is seeking participants who: * Have benefited from ongoing study treatment as determined by the study doctor in a Pfizer-sponsored palbociclib Parent Study * Must agree to follow the reproductive criteria * Are willing and able to comply with all scheduled visits, treatment plans, and other study procedures * Can give signed informed consent documents Participants in this study will continue to receive treatment as they were in the parent study. The time by which participants will take part in this study is retrospective (after completed parent study). We will examine the experiences of people receiving the study medicine(s). This will help us determine if the study medicine(s) are safe. During this time, the participants will be monitored for the safety of the study medicine(s).
Official title: A TREATMENT PROTOCOL FOR PARTICIPANTS CONTINUING FROM PFIZER-SPONSORED PALBOCICLIB CLINICAL STUDIES
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
35
Start Date
2022-07-07
Completion Date
2026-12-31
Last Updated
2025-11-25
Healthy Volunteers
No
Conditions
Interventions
Palbociclib
oral
Cetuximab
Intravenous (IV) infusion
Fulvestrant
Intramuscular (IM)
Letrozole
oral
Locations (23)
UCSF Medical Center at Mission Bay
San Francisco, California, United States
The First Affiliated Hospital of Anhui Medical University
Hefei, Anhui, China
Beijing Cancer Hospital
Beijing, Beijing Municipality, China
Sun Yat-sen Memorial Hospital of Sun Yat-sen University
Guangzhou, Guangdong, China
Harbin Medical University Cancer Hospital
Harbin, Heilongjiang, China
Henan Cancer Hospital
Zhengzhou, Henan, China
Hubei Cancer Hospital
Wuhan, Hubei, China
The First Hospital of Jilin University
Changchun, Jilin, China
Liaoning Cancer Hospital and Institute
Shenyang, Liaoning, China
The First Hospital of China Medical University
Shenyang, Liaoning, China
Ruijin Hospital, Shanghai Jiao Tong University School of Medicine
Shanghai, Shanghai Municipality, China
Cancer Hospital Chinese Academy of Medical Science
Beijing, China
Hospital Universitario "Dr. Jose Eleuterio Gonzalez"
Monterrey, Nuevo León, Mexico
National Cancer Center
Goyang-si, Gyeonggi-do, South Korea
Samsung Medical Center
Seoul, Seoul-teukbyeolsi [seoul], South Korea
Seoul National University Hospital
Seoul, South Korea
National Cheng Kung University Hospital
Tainan, Taiwan
Mackay Memorial Hospital
Taipei, Taiwan
Faculty of Medicine, Ramathibodi Hospital, Mahidol University
Ratchathewi, Bangkok, Thailand
Department of Medicine, Faculty of Medicine Siriraj Hospital
Bangkok, Thailand
Regional Municipal Non-profit Enterprise "Bukovinian Clinical Oncology Center"
Chernivtsi, Chernivetska Oblast, Ukraine
Municipal Non-profit Enterprise "City Clinical Hospital #4" of Dnipro City Council
Dnipro, Ukraine
Municipal non-profit enterprise Regional Clinical Hospital of Ivano-Frankivsk Regional Council
Ivano-Frankivsk, Ukraine