NCT05226871Active, not recruitingPhase 2
Study for Participants Continuing From Pfizer-sponsored Palbociclib (a Study Medicine) Studies
A TREATMENT PROTOCOL FOR PARTICIPANTS CONTINUING FROM PFIZER-SPONSORED PALBOCICLIB CLINICAL STUDIES
Source: ClinicalTrials.gov · Last updated 9 Sept 2026
Brief summary (registry, in English)
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).
- Status (registry)
- Active, not recruiting
- Phase (registry)
- Phase 2
- Study type
- Interventional
- Enrollment
- 35 (actual)
- First submitted
- 26 Jan 2022
- Start date
- 7 Jul 2022
- Primary completion date
- 31 Dec 2029
- Lead sponsor
- Pfizer
- NCT number
- NCT05226871
- EudraCT number
- 2021-005735-22
What you commit to
- Study type: Interventional · Phase 2
- Participants enrolled: 35
- From 7 Jul 2022 to the primary completion date, 31 Dec 2029
- 23 sites in 7 countries
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Other
- Any medical reason that, in the opinion of the investigator or sponsor, precludes the participant from inclusion in the study
Who the study is looking for
- Any participant who is receiving study treatment and deriving clinical benefit as determined by the investigator in a Pfizer-sponsored palbociclib Parent Study
- Participants must agree to follow the reproductive criteria
- Participants who are willing and able to comply with all scheduled visits, treatment plans, and other study procedures
- Capable of giving signed informed consent which includes compliance with the requirements and restrictions listed in the informed consent document and protocol
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (23)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Cancer Hospital Chinese Academy of Medical Science Coordinator of this site? Confirm its status | Beijing | China | Unknown status |
| Beijing Cancer Hospital Coordinator of this site? Confirm its status | Beijing | China | Unknown status |
| The First Hospital of Jilin University Coordinator of this site? Confirm its status | Changchun | China | Unknown status |
| Sun Yat Sen Memorial Hospital of Sun Yat sen University Coordinator of this site? Confirm its status | Guangzhou | China | Unknown status |
| Harbin Medical University Cancer Hospital Coordinator of this site? Confirm its status | Harbin | China | Unknown status |
| The First Affiliated Hospital of Anhui Medical University Coordinator of this site? Confirm its status | Hefei | China | Unknown status |
| Ruijin Hospital, Shanghai Jiao Tong University School of Medicine Coordinator of this site? Confirm its status | Shanghai | China | Unknown status |
| The First Hospital of China Medical University Coordinator of this site? Confirm its status | Shenyang | China | Unknown status |
| Liaoning Cancer Hospital and Institute Coordinator of this site? Confirm its status | Shenyang | China | Unknown status |
| Hubei Cancer Hospital Coordinator of this site? Confirm its status | Wuhan | China | Unknown status |
| Henan Cancer Hospital Coordinator of this site? Confirm its status | Zhengzhou | China | Unknown status |
| National Cancer Center Coordinator of this site? Confirm its status | Goyang-si | South Korea | Unknown status |
| Samsung Medical Center Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| Seoul National University Hospital Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| Hospital Universitario Dr. Jose Eleuterio González Coordinator of this site? Confirm its status | Monterrey | Mexico | Unknown status |
| Department of Medicine, Faculty of Medicine Siriraj Hospital Coordinator of this site? Confirm its status | Bangkok | Thailand | Unknown status |
| Faculty of Medicine Ramathibodi Hospital, Mahidol University Coordinator of this site? Confirm its status | Ratchathewi | Thailand | Unknown status |
| National Cheng Kung University Hospital Coordinator of this site? Confirm its status | Tainan | Taiwan | Unknown status |
| MacKay Memorial Hospital Coordinator of this site? Confirm its status | Taipei | Taiwan | Unknown status |
| Regional Municipal Non-profit Enterprise "Bukovinian Clinical Oncology Center" Coordinator of this site? Confirm its status | Chernivtsi | Ukraine | Unknown status |
| Municipal Non-profit Enterprise "City Clinical Hospital #4" of Dnipro City Council Coordinator of this site? Confirm its status | Dnipro | Ukraine | Unknown status |
| Municipal non-profit enterprise Regional Clinical Hospital of Ivano-Frankivsk Regional Council Coordinator of this site? Confirm its status | Ivano-Frankivsk | Ukraine | Unknown status |
| UCSF Helen Diller Comprehensive Cancer Center at Mission Bay Coordinator of this site? Confirm its status | San Francisco | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.