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A Study to Learn About the Relationship Between Hepatic Impairment and Myelosuppression (Decreased Bone Marrow Function) in Breast Cancer Patients Treated With the Study Medicine Palbociclib (Pal-bow-sai-klib)

Breast Cancer Clinical Trial

Official title:
Evaluation of Incidence of Myelosuppression (Grade 4 Neutropenia) in Breast Cancer Patients With Mild, Moderate or Severe Hepatic Impairment Treated With Palbociclib Compared to Patients With Reserved Hepatic Function in the Post-marketing Setting: Cohort Study Using the Medical Information Database Network (MID-NET) Database

Clinical Trial Summary

The purpose of this study is to evaluate incidence of grade 4 neutropenia in patients who have hepatic impairment and use the study medicine Palbociclib. This study is seeking participants: - treated with the study medicine Palbociclib - having any breast cancer records in same month as the index date (the first prescription date) - having prescription records of palbociclib from 20 December 2016 to 29 February 2024 The study design is a cohort study. This study design uses de-identified patient data from a hospital based electronic medical record and claim database in Japan. One of the important side effects of taking Palbociclib is neutropenia (decreased count of neutrophils - a type of white blood cell). In this study, the relationship between neutropenia caused by Palbociclib and hepatic impairment was studied after it was released to the market. To do that, the study gathered details of breast cancer patients newly treated with Palbociclib from 23 hospitals and 10 medical institutes across Japan. The below patient details were collected: - dose of Palbociclib - other medicines prescribed for cancer - age - gender - past information on cancer treatments - laboratory findings at baseline The result was based on the neutrophil count collected from the laboratory data. Around 1300 patients newly treated with Palbociclib for breast cancer was calculated by the medical information database network (MID-NET) in 6 years from 15 December 2017.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05912933
Study type Observational
Source Pfizer
Contact Pfizer CT.gov Call Center
Phone 1-800-718-1021
Email ClinicalTrials.gov_Inquiries@pfizer.com
Status Not yet recruiting
Phase
Start date March 1, 2024
Completion date April 30, 2024
View Details
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