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Recruiting NCT05433753

NCT05433753 Asian Multicenter Prospective Study in HER2 Positive Early Breast Cancer for Detecting MRD by ctDNA;HARMONY Study

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Clinical Trial Summary
NCT ID NCT05433753
Status Recruiting
Phase
Sponsor National Cancer Center, Japan
Condition HER2-positive Breast Cancer
Study Type OBSERVATIONAL
Enrollment 60 participants
Start Date 2022-05-24
Primary Completion 2027-09-30

Eligibility & Interventions

Sex All sexes
Min Age 20 Years
Max Age N/A
Study Type OBSERVATIONAL

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

This is an observational study. You will not receive an experimental treatment; researchers will collect data based on your existing condition or standard treatment.

This trial targets 60 participants in total. It began in 2022-05-24 with a primary completion date of 2027-09-30.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

This study will assess minimal residual disease (MRD) in HER2-positive early breast cancer patients in Asian countries. The purpose is to evaluate the relation between the detection rate of MRD and recurrence.

Eligibility Criteria

Inclusion Criteria: 1. Age of 20 years or older at the date of registration. 2. Histological diagnosis of HER2-positive invasive breast carcinoma. 3. Patients scheduled for neoadjuvant chemotherapy followed by surgery. 4. Clinical Stage IIA-IIIC. 5. Known hormone receptor status. 6. Signed informed consent. Exclusion Criteria: 1. Any other malignancy within 5 years prior to registration, except for adequately treated basal cell or squamous cell skin cancer, or carcinoma in situ of the esophagus, stomach, colon, or cervix. 2. Bilateral synchronous breast cancer. 3. History of breast cancer. 4. Pregnancy at registration.

Contact & Investigator

Central Contact

Yuki Kojima, MD, PhD

✉ yuukojim@ncc.go.jp

📞 0335422511

Principal Investigator

Sho Shiino, MD, PhD

PRINCIPAL INVESTIGATOR

Department of Medical Oncology, National Cancer Cancer Hospital

Frequently Asked Questions

Who can join the NCT05433753 clinical trial?

This trial is open to participants of all sexes, aged 20 Years or older, studying HER2-positive Breast Cancer. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

Is NCT05433753 currently recruiting?

Yes, NCT05433753 is actively recruiting participants. Contact the research team at yuukojim@ncc.go.jp for enrollment information.

Where is the NCT05433753 trial being conducted?

This trial is being conducted at Chuo-ku, Japan.

Who is sponsoring the NCT05433753 clinical trial?

NCT05433753 is sponsored by National Cancer Center, Japan. The principal investigator is Sho Shiino, MD, PhD at Department of Medical Oncology, National Cancer Cancer Hospital. The trial plans to enroll 60 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology