NCT04456855 (SYSBTC-001) is a clinical trial of Locoregional surgery in Breast Neoplasm Female, sponsored by Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University.

Who is sponsoring NCT04456855?

NCT04456855 is sponsored by Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University.

What drugs are being tested in NCT04456855?

Interventions in NCT04456855: Locoregional surgery.

What condition does NCT04456855 study?

NCT04456855 studies Breast Neoplasm Female, Surgery, Advanced Breast Cancer.

Is NCT04456855 still recruiting?

NCT04456855 is currently status unknown. Last updated 7 July 2020.

Last reviewed 2020-07-07 · How we verify

NCT04456855: SYSBTC-001

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

Locoregional Surgery of the Primary Tumor in de Novo Stage IV Breast Cancer Patients

Status unknown Last updated 7 July 2020

What this trial tests

trial testing Locoregional surgery in Breast Neoplasm Female in 358 participants. Status unknown.

Timeline

1 September 2019

Primary endpoint
30 October 2020

30 July 2021

Quick facts

Lead sponsor	Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Status	Status unknown
Study type	OBSERVATIONAL
Enrollment	358
Start date	1 September 2019
Primary completion	30 October 2020
Estimated completion	30 July 2021
Sites	3 locations across China

Drugs / interventions tested

Locoregional surgery

Conditions studied

Breast Neoplasm Female — all drugs for Breast Neoplasm Female →
Surgery — all drugs for Surgery →
Advanced Breast Cancer — all drugs for Advanced Breast Cancer →

Sponsor

Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University

Who can join

Adults 18 to 75, female only, with Breast Neoplasm Female or Surgery. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

Current guidelines lack definitive evidences about the relative benefits of locoregional surgery for the primary tumor in de novo stage IV breast cancer. The aim of this study (SYSBTC-001) was to investigate the role of locoregional surgery for primary tumor in de novo stage IV breast cancer.

Publications & conference data

1 peer-reviewed publication reference this trial (live from Europe PMC):

Clinical Evidence for Locoregional Surgery of the Primary Tumor in Patients with De Novo Stage IV Breast Cancer.
Yu Y, Hong H, Wang Y, Fu T, et al · · 2021 · cited 14× · PMID 33534046 · DOI 10.1245/s10434-021-09650-3

Verify or expand the search:

Other recruiting trials for Breast Neoplasm Female

Currently open trials in the same condition.

NCT07465523 — A Novel Approach in the Evaluation of Breast Masses With Doppler US · recruiting
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NCT04812652 — Digitally Distributed Yoga for Women Treated for Breast Cancer · NA · active not recruiting

Other Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University trials

Trials by the same sponsor.

NCT07168083 — Efficacy and Safety of Sacituzumab in Patients With OCCC After Immunotherapy Progression · not yet recruiting
NCT07413497 — A Prospective Observational Clinical Study on Exploring the Value of Surgical Excision Combined With 32P Application in · not yet recruiting
NCT07461077 — Noninvasive Implantation Potential vs Morphology-Based Selection in IVF Single Blastocyst Transfer · NA · not yet recruiting
NCT07533526 — Effects of Instrument-Assisted Constant-Speed Injection Versus Manual Injection on Pain From Large-Volume Subcutaneous I · NA · not yet recruiting
NCT07408648 — A Clinical Study on the Efficacy and Safety of Hetrombopag in the Treatment of Thrombocytopenia Induced by Gynecological · Phase 2 · not yet recruiting

Verify against primary sources

ClinicalTrials.gov — authoritative US registry record
WHO ICTRP — international registry index
EU Clinical Trials Register
Sponsor press releases (Google)

Data sources for this page

Trial protocol + status: ClinicalTrials.gov NCT04456855 (US National Library of Medicine, public domain)
Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Last refreshed: 7 July 2020

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT04456855.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing