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Real-World Clinical Outcomes and Toxicity in Metastatic Breast Cancer Patients Treated With First or Second Line CDK 4/6 Inhibitors and Endocrine Therapy

Real-World Clinical Outcomes and Toxicity in Metastatic Breast Cancer Patients Treated With First or Second Line CDK 4/6 Inhibitors and Endocrine Therapy

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT06558084
Enrollment
64
Registered
2024-08-16
Start date
2022-07-06
Completion date
2024-08-10
Last updated
2024-08-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Toxicity, Drug, Progression, Disease

Keywords

Breast cancer, CDK4/6 inhibitor, toxicity, PFS

Brief summary

To assess CDK4/6i toxicity and effect on PFS in the Egyptian population

Interventions

CDK4/6 inhibitor in first and second lines

Sponsors

Ain Shams University
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Breast cancer patients aged 18 years old or more * Female patients * Histologically proven invasive breast cancer * Histologically proven HR-positive and HER2-negative breast cancer * Metastatic breast cancer (Stage 4 according to AJCC 8th edition 2017) * Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 to 3. * Adequate hematological and organs function * Patients receiving CDK 4/6 inhibitor combined with endocrine therapy(Aromatase inhibitors , GnRH agonists, fulvastrent). as a first or second line treatment

Exclusion criteria

* \- Male breast cancer patients * Patients in, visceral crisis (defined as : severe organ dysfunction, as assessed by signs and symptoms, laboratory studies and rapid progression of disease ) that are at risk of life threatening complication in the short term. * Prior treatment with any CDK 4/6 inhibitor. * History of any other cancer , unless in complete remission with no therapy for a minimum of 3 years. * Have active bacterial or fungal infection, or detectable viral infection.

Design outcomes

Primary

MeasureTime frameDescription
Adverse effect2 yearsassess the toxicity profile

Secondary

MeasureTime frameDescription
PFS2 yearsPFS in patient receiving CDK4/6i in Egypt

Countries

Egypt

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026