Clinical trial · Observational
Breast Cancer in Pregnancy Register Study
Prospective and Retrospective Register Study of the German Breast Group (GBG) for Diagnosis and Treatment of Breast Cancer in Pregnancy
- 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)
Women who were diagnosed with breast cancer during their pregnancy may be registered in this trial. Data is collected on the foetal outcome 4 weeks after delivery, maternal outcome of pregnancy as well as the breast cancer therapy applied (treatment, response to chemotherapy, type of surgery), diagnostic procedures applied (palpation, US, mammogram) and the outcome of mother and child after 5 years of therapy.
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
Eligibility
Eligibility (as posted)
- Sex
- Female
Show eligibility criteria text
Inclusion Criteria: * Cohort 1: Women with histologically confirmed breast cancer during pregnancy * Cohort 2: Patients ≤ 40 years with histological confirmed breast cancer who are not pregnant (patients who have been pregnant recently can also be collected into this cohort) * Informed consent for data collection (for prospective participants) and biomaterial collection. For retrospective participants an informed consent is not required as long as the data are anonymously captured Exclusion Criteria: * Cohort 1: Diagnosis of breast cancer outside the period of pregnancy * Cohort 2: Age at diagnosis of breast cancer \> 40 years
References
Publications (1)
- DERIVEDLoibl S, Han SN, von Minckwitz G, Bontenbal M, Ring A, Giermek J, Fehm T, Van Calsteren K, Linn SC, Schlehe B, Gziri MM, Westenend PJ, Muller V, Heyns L, Rack B, Van Calster B, Harbeck N, Lenhard M, Halaska MJ, Kaufmann M, Nekljudova V, Amant F. Treatment of breast cancer during pregnancy: an observational study. Lancet Oncol. 2012 Sep;13(9):887-96. doi: 10.1016/S1470-2045(12)70261-9. Epub 2012 Aug 16. PMID 22902483