Clinical trial · Observational
An Observational Study in Patients With HER2 Positive Metastatic Breast Cancer (SystHERs Registry)
An Observational Cohort Study of Treatment Patterns and Outcomes in Patients With HER2 Positive (HER2+) Metastatic Breast Cancer (SystHERs Registry (Systemic Therapies for HER2+ Metastatic Breast Cancer Study)).
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
This multi-center, prospective observational study will evaluate the treatment patterns, and the safety in patients with HER2-positive (HER2+) metastatic breast cancer (MBC). Eligible patients will have an initial metastatic breast cancer diagnosis that has not been previously treated with systemic therapy; patients may be enrolled up to 6 months after the diagnosis. Data will be collected for up to 8 years.
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Breast Cancer | Malignant Breast Neoplasm | CURATED_EXACT | 0.92 |
Interventions
Interventions (0)
Data not yet available
Design
Arms and outcomes
Arms (1)
- label
- Cohort
Primary outcomes (1)
- measure
- Distribution of patients receiving unique treatment regimen/sequence of treatment regimens
- timeFrame
- Up to 8 years
Secondary outcomes (7)
- measure
- Progression-free survival (PFS)
- timeFrame
- Up to 8 years
- measure
- Overall survival (OS)
- timeFrame
- Up to 8 years
- measure
- Post-progression survival (PPS)
- timeFrame
- Up to 8 years
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
Show eligibility criteria text
Inclusion Criteria: * Adult patients, \>/=18 years of age * Initial diagnosis of HER2+ MBC, as diagnosed by the treating physician, no more than 6 months prior to study enrollment * Availability of cancer-specific historical data points in the patient's medical records Exclusion Criteria: * Any inability to provide informed consent
References
Publications (4)
- DERIVEDTripathy D, Brufsky A, Cobleigh M, Jahanzeb M, Kaufman PA, Mason G, O'Shaughnessy J, Rugo HS, Swain SM, Yardley DA, Chu L, Li H, Antao V, Hurvitz SA. De Novo Versus Recurrent HER2-Positive Metastatic Breast Cancer: Patient Characteristics, Treatment, and Survival from the SystHERs Registry. Oncologist. 2020 Feb;25(2):e214-e222. doi: 10.1634/theoncologist.2019-0446. Epub 2019 Oct 14. PMID 32043771
- DERIVEDCobleigh M, Yardley DA, Brufsky AM, Rugo HS, Swain SM, Kaufman PA, Tripathy D, Hurvitz SA, O'Shaughnessy J, Mason G, Antao V, Li H, Chu L, Jahanzeb M. Baseline Characteristics, Treatment Patterns, and Outcomes in Patients with HER2-Positive Metastatic Breast Cancer by Hormone Receptor Status from SystHERs. Clin Cancer Res. 2020 Mar 1;26(5):1105-1113. doi: 10.1158/1078-0432.CCR-19-2350. Epub 2019 Nov 26. PMID 31772121
- DERIVEDHurvitz SA, O'Shaughnessy J, Mason G, Yardley DA, Jahanzeb M, Brufsky A, Rugo HS, Swain SM, Kaufman PA, Tripathy D, Chu L, Li H, Antao V, Cobleigh M. Central Nervous System Metastasis in Patients with HER2-Positive Metastatic Breast Cancer: Patient Characteristics, Treatment, and Survival from SystHERs. Clin Cancer Res. 2019 Apr 15;25(8):2433-2441. doi: 10.1158/1078-0432.CCR-18-2366. Epub 2018 Dec 28. PMID 30593513
- DERIVEDTripathy D, Rugo HS, Kaufman PA, Swain S, O'Shaughnessy J, Jahanzeb M, Mason G, Beattie M, Yoo B, Lai C, Masaquel A, Hurvitz S. The SystHERs registry: an observational cohort study of treatment patterns and outcomes in patients with human epidermal growth factor receptor 2-positive metastatic breast cancer. BMC Cancer. 2014 May 2;14:307. doi: 10.1186/1471-2407-14-307. PMID 24885258