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Trastuzumab

Trastuzumab deruxtecan

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Cohort 1 containing patients with documented HER2-positive unresectable or metastatic BC receiving T-DXd for 2L treatment in line with the applicable summary of product characteristics (SmPC) within routine clinical practice.

Cohort 2 containing patients with documented HER2-low unresectable or metastatic BC receiving T DXd treatment in line with the applicable summary of product characteristics (SmPC) within routine clinical practice.

AstraZeneca Clinical Study Information Center

This is a prospective non-interventional, multicenter study observing patient reported outcomes as well as real-world efficacy and safety of trastuzumab deruxtecan (T-DXd) in patients with documented Human epidermal growth factor receptor 2 (HER2)-positive unresectable or metastatic breast cancer (BC) and in patients with documented HER2-low unresectable or metastatic BC receiving T-DXd in line with the applicable summary of product characteristics (SmPC) within routine clinical practice in Germany. In addition, patients will be informed about use of digital healthcare application (DiGA).

Eligible participants will be those patients with documented HER2-positive unresectable or metastatic BC receiving T-DXd for 2L treatment or patients with documented HER2-low unresectable or metastatic BC receiving T DXd treatment in line with the applicable summary of product characteristics (SmPC) within routine clinical practice.

All diagnostic and treatment procedures including visit frequency are at the discretion of the treating physician and not defined by the protocol. T-DXd treatment is considered as a selection criteria. Patients will be informed about use of digital healthcare application (DiGA).

Approximately 800 eligible participants will be enrolled which includes 400 patients in the HER2-positive cohort and 400 patients in the HER2-low cohort.

PROVIDENCE - Prospective Non-interventional Study (NIS) to Examine Patient-reported Outcomes and Real-world Clinical Data in Patients With HER2-positive or HER2-low Unresectable or Metastatic Breast Cancer Treated With Trastuzumab Deruxtecan

Prospective Non-interventional Study (NIS) to Examine Patient-reported Outcomes and Real-world Clinical Data in Patients With HER2-positive or HER2-low Unresectable or Metastatic Breast Cancer Treated With Trastuzumab Deruxtecan

Qualified researchers can request access to anonymized individual patient-level data from AstraZeneca group of companies sponsored clinical trials via the request portal.

All request will be evaluated as per the AZ disclosure commitment:

https://astrazenecagrouptrials.pharmacm.com/ST/Submission/Disclosure. Yes, indicates that AZ are accepting requests for IPD, but this does not mean all requests will be shared.

Defined as changes in FACT-B (total score and subscale domains) at different timepoints compared to baseline. The Functional Assessment of Cancer Therapy - Breast (FACT-B) is a 37-item instrument designed to measure five domains of HRQoL in breast cancer patients: Physical, social, emotional, functional well-being as well as a breast-cancer subscale (BCS).

Defined as changes in EQ-5D (subscale domains and VAS) at different timepoints compared to baseline.

EQ-5D is a standardized instrument for use as a measure of patient-reported health outcomes (Euro-QoL). The 5 health-state dimensions in the EQ-5D-5L include: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. Each dimension is rated on a 5-point scale from 1 (no problem) to 5 (unable to/extreme problems). The EQ-5D-5L also includes a graded (0 to 100) vertical visual analog scale (EQ VAS) on which the participant rates his or her general state of health at the time of the assessment.

rwORR is defined as percentage of patients having complete response or partial response as best response as determined by the investigator

rwPFS is defined as time from T-DXd initiation to the date of the first source evidence for progression referenced by the clinician (e. g., radiology/ pathology report date) or the date of clinician note when no other corresponding evidence sources were documented) or death, whichever occurs first

rwOS is defined as time from T-DXd initiation to date of death

rwTTD is defined as time from T-DXd initiation to discontinuation, or death

rwTTNT2 is defined as time from initiation of T-DXd treatment to initiation of second next treatment, or death

rwTTD2 is defined as time from initiation T-DXd treatment to discontinuation of corresponding subsequent therapy, or death

rwPFS2 is defined as time from T-DXd initiation to the date of the first source evidence for the second progression referenced by the clinician (e. g., radiology/ pathology report date) or the date of clinician note when no other corresponding evidence sources were documented) or death, whichever occurs first

Safety evaluated based on type of Adverse Event (AE), intensity, causal relationship to treatment, duration, handling, outcome, and seriousness

To evaluate treatment modifications in patients treated with T-DXd in a real-world setting

Age, Education, Family status, depressive mood, diagnostic testing, HR-status, Stage IV at initial diagnosis, localization of metastases, presence or history of (in) active brain metastases, previous therapies, subsequent therapies, center characteristics, DiGA usage

rwTTNT1 is defined as the time from T-DXd initiation to initiation of subsequent therapy

To evaluate patient-reported outcomes (PROs)/ health-related quality of life (HRQoL) based on FACT-B questionnaire at 6 months after baseline. The Functional Assessment of Cancer Therapy - Breast (FACT-B) is a 37-item instrument designed to measure five domains of HRQoL in breast cancer patients: Physical, social, emotional, functional well-being as well as a breast-cancer subscale (BCS). FACT-B will be collected electronically at time points synchronized with clinic visits during the study.

To evaluate patient-reported outcomes (PROs)/ health-related quality of life (HRQoL) based on FACT-G questionnaire at 6 months after baseline. The Functional Assessment of Cancer Therapy - General (FACT-G) is a 27-item questionnaire designed to measure four domains of HRQoL in cancer patients: Physical, social, emotional, and functional well-being. FACT-G will be collected electronically at time points synchronized with clinic visits during the study.

Spots Global Cancer Trial Database for human epidermal growth factor receptor 2 positive breast cancer,