AzTrials
AzTrials

Breast CancerNCT05621564

Pre-operative Therapy in Breast Cancer

An observational study of Breast Cancer, run by RenJi Hospital at 1 site in China.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
Search all trials

Trial summary

This is a prospective and retrospective study to evaluate the effect of pre-operative therapy on response and survival, and compare the difference in response and survival by pre-operative regimen or by patient's clinicopathological characteristic in early or advanced breast cancer. Read more about this study

Who is it for?
Ages 18 years and older, women only
Conditions the study is for
Breast Cancer
What is being tested?
pre-operative therapy
How many people
6,032 participants
Where
1 siteChina
Study dates
1 Nov 2022to Nov 2030
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • Women only
  • No healthy volunteers
  • Adult, Older adult

Study population: The study population will be selected from the hospital where they are treated

Who may be able to join

  • Female, Aged ≥18 years
  • Histologically confirmed primary breast cancer
  • Plan to receive pre-operative therapy
  • Adequate organ function

Who cannot join

  • History of neurological or psychological disease, including epilepsy or dementia
  • Not suitable to participate in this study judged by investigators

Trial locations and contacts

1 site in 1 country. Contact the study team or a site near you to ask about taking part.

China1 site, 1 recruiting
  • Renji Hospital, School of Medicine, Shanghai Jiaotong University

    Shanghai, 200127

    Wenjin Yin, 86(21)68385569, yinwenjin@renji.com

    Recruiting

Other trials in China

About this study

Official title: The Effect of Pre-operative Therapy on Response and Survival in Breast Cancer

This is a prospective and retrospective study to evaluate the effect of pre-operative therapy on response and survival, and compare the difference in response and survival by pre-operative regimen or by patient's clinicopathological characteristic in early or advanced breast cancer.

Conditions
Breast Cancer
Being tested
pre-operative therapy
Medical subject headings
Breast Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • pre-operative therapyDrug

    pre-operative therapy includes pre-operative chemotherapy, radiation, endocrine therapy, target therapy and other anti-tumor therapy

Study groups in NCT05621564
Study groupRoleWhat they receive
early breast cancerno requirements for therapy
Receives: Drug: pre-operative therapy
advanced breast cancerno requirements for therapy
Receives: Drug: pre-operative therapy

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Pathologic Complete Response

    ypT0 ypN0, ypT0/is ypN0

    Measured: at surgery

Secondary outcomes (2)
  1. Objective response rate

    the rate of complete response and partial response

    Measured: from the start of pre-operative treatment until the completion of surgery up to 6 months

  2. Disease-free Survival

    Disease-free survival time is defined as the time from date of randomization until the first occurrence of disease recurrence, distant metastasis and death from any cause.

    Measured: From surgery until time of event up to 8 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted18 Nov 2022
  2. Study start1 Nov 2022
  3. Primary completionNov 2030 (estimated)
  4. Study completionNov 2030 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Other
Enrolment
6,032 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05621564
Sponsor's protocol ID
LY2022-028-B
Status last verified
Aug 2026
First submitted
8 Nov 2022
Last updated
4 Aug 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided

Publications

  • Chen X, Zhao Y, Wang Y, Ye Y, Xu S, Zhou L, Lin Y, Lu J, Yin W. Serum lipid ratios as novel prognostic biomarkers for patients with locally advanced breast cancer treated with neoadjuvant therapy. Postgrad Med. 2024 Jun;136(5):541-550. doi: 10.1080/00325481.2024.2370235. Epub 2024 Jun 24.

    PubMed 38912905

Questions about this trial

What is this clinical trial studying?

An observational study of Breast Cancer, run by RenJi Hospital at 1 site in China.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: looking for participants now, as of the sponsor's last update on 4 Aug 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Wenjin Yin (86(21)68385569, yinwenjin@renji.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Pathologic Complete Response (time frame: at surgery). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT05621564, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 4 Aug 2026.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in