Clinical trial · Observational
Patterns of Relapse After Neoadjuvant Chemotherapy in Breast Cancer
Patterns of Relapse After Neoadjuvant Chemotherapy in Breast Cancer and Implications for Follow up in Clinical Practice
NCT06210347CI-TRIAL-00073067unknownClinicalTrials.gov clinicaltrialsProvenance
- 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 study aims to identify patterns of relapse after Neoadjuvant Chemotherapy (NAC) for breast cancer to refine follow up recommendations.
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
No intervention recorded.
Design
Arms and outcomes
Arms (0)
[]Primary outcomes (1)
- measure
- The patterns of relapse after Neoadjuvant Chemotherapy (NAC) for breast cancer to refine follow up recommendations.
- timeFrame
- 2 years
- description
- Patterns of relapse after Neoadjuvant Chemotherapy (NAC) in breast cancer patients to refine follow up recommendations.
Eligibility
Eligibility (as posted)
- Sex
- Female
- Minimum age
- 18 Years
- Maximum age
- 100 Years
Show eligibility criteria text
Inclusion Criteria: 1. Female patients aged \>= 18 2. Pathologically proved breast cancer 3. PS 0-1 (ECOG) 4. Patients indicated to receive NAC Exclusion Criteria: 1. Patients with metastatic disease at diagnosis 2. Patients who did not undergo subsequent curative intent surgery 3. Those who received Neoadjuvant hormonal treatment 4. Those that had incomplete treatment information
References
Publications (8)
- BACKGROUNDFisher B, Bryant J, Wolmark N, Mamounas E, Brown A, Fisher ER, Wickerham DL, Begovic M, DeCillis A, Robidoux A, Margolese RG, Cruz AB Jr, Hoehn JL, Lees AW, Dimitrov NV, Bear HD. Effect of preoperative chemotherapy on the outcome of women with operable breast cancer. J Clin Oncol. 2023 Apr 1;41(10):1795-1808. doi: 10.1200/JCO.22.02571. PMID 36989610
- BACKGROUNDvan der Hage JA, van de Velde CJ, Julien JP, Tubiana-Hulin M, Vandervelden C, Duchateau L. Preoperative chemotherapy in primary operable breast cancer: results from the European Organization for Research and Treatment of Cancer trial 10902. J Clin Oncol. 2001 Nov 15;19(22):4224-37. doi: 10.1200/JCO.2001.19.22.4224. PMID 11709566
- BACKGROUNDMauri D, Pavlidis N, Ioannidis JP. Neoadjuvant versus adjuvant systemic treatment in breast cancer: a meta-analysis. J Natl Cancer Inst. 2005 Feb 2;97(3):188-94. doi: 10.1093/jnci/dji021. PMID 15687361
- BACKGROUNDEarly Breast Cancer Trialists' Collaborative Group (EBCTCG). Long-term outcomes for neoadjuvant versus adjuvant chemotherapy in early breast cancer: meta-analysis of individual patient data from ten randomised trials. Lancet Oncol. 2018 Jan;19(1):27-39. doi: 10.1016/S1470-2045(17)30777-5. Epub 2017 Dec 11. PMID 29242041
- BACKGROUNDKong X, Moran MS, Zhang N, Haffty B, Yang Q. Meta-analysis confirms achieving pathological complete response after neoadjuvant chemotherapy predicts favourable prognosis for breast cancer patients. Eur J Cancer. 2011 Sep;47(14):2084-90. doi: 10.1016/j.ejca.2011.06.014. Epub 2011 Jul 5. PMID 21737257
- BACKGROUNDCortazar P, Zhang L, Untch M, Mehta K, Costantino JP, Wolmark N, Bonnefoi H, Cameron D, Gianni L, Valagussa P, Swain SM, Prowell T, Loibl S, Wickerham DL, Bogaerts J, Baselga J, Perou C, Blumenthal G, Blohmer J, Mamounas EP, Bergh J, Semiglazov V, Justice R, Eidtmann H, Paik S, Piccart M, Sridhara R, Fasching PA, Slaets L, Tang S, Gerber B, Geyer CE Jr, Pazdur R, Ditsch N, Rastogi P, Eiermann W, von Minckwitz G. Pathological complete response and long-term clinical benefit in breast cancer: the CTNeoBC pooled analysis. Lancet. 2014 Jul 12;384(9938):164-72. doi: 10.1016/S0140-6736(13)62422-8. Epub 2014 Feb 14.