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Lymphatic MetastasisNCT07573657

Ultrasound-Guided Core Needle Biopsy to Assess Sensitivity and Specificity of Axillary Lymph Node Metastasis in Breast Cancer

An observational study of Lymphatic Metastasis and Breast Neoplasms, run by The First Hospital of Jilin University.

Not yet recruiting

Opening soon. The study is approved but enrolment has not started yet. Sites may already take enquiries.

Sites and contacts
Official record
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Trial summary

This study plans to find the most suitable lymph node cortex thickness and abnormal lymph node features to define suspicious lymph nodes. Then, ultrasound-guided core needle biopsy of axillary lymph nodes will be done, aiming to provide some guidance for the biopsy. Read more about this study

Who is it for?
Ages 18 to 70 years, women only
Conditions the study is for
Lymphatic Metastasis, Breast Neoplasms
How many people
200 participants
Where
No sites listed yet
Study dates
1 Oct 2026to 1 Oct 2028
How long will I take part?
10 Days
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 to 70 years
  • Women only
  • No healthy volunteers
  • Adult, Older adult

Study population: Consecutive patients newly diagnosed with primary breast cancer and assessed for axillary lymph node metastasis by ultrasound, prospectively enrolled from November 2025 to November 2026 across multiple hospitals.

Who may be able to join

  • Age ≥18 years and <70 years;
  • Histologically confirmed primary breast cancer;
  • Underwent ultrasound examination to assess axillary lymph node metastasis status.

Who cannot join

  • Presence of other malignancies (e.g., lymphoma, lung cancer, thyroid cancer, etc., with axillary metastasis);
  • Pregnant or lactating women;
  • Previous receipt of neoadjuvant radiotherapy or chemotherapy;
  • Lymph node metastasis status not confirmed by pathology, or time interval between ultrasound examination and pathological confirmation exceeding 6 weeks.

Trial locations and contacts

No sites are listed yet. Contact the study team or a site near you to ask about taking part.

Dezhi Zhang contact

18186876068

dezhi@jlu.edu.cn

About this study

Official title: Sensitivity and Specificity of Ultrasound-Guided Core Needle Biopsy in Evaluating Axillary Lymph Node Metastasis in Breast Cancer

This study plans to find the most suitable lymph node cortex thickness and abnormal lymph node features to define suspicious lymph nodes. Then, ultrasound-guided core needle biopsy of axillary lymph nodes will be done, aiming to provide some guidance for the biopsy.

Medical subject headings
Lymphatic Metastasis, Breast Neoplasms

What is being measured

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

  1. Maximum cortical thickness of the lymph node (mm)

    The maximum thickness of the lymph node's cortical layer. Measured via conventional ultrasound examination of the lymph node's long-axis cross-section, perpendicular to the capsule surface, determining the maximum distance from the capsule to the corticomedullary junction.

    Measured: Measurements should be performed prior to treatment initiation, with a time interval not exceeding 4 weeks between the measurement and pathological examination.

Secondary outcomes (5)
  1. Age

    Age of participants at the time of initial diagnosis of primary breast cancer, reported in years.

    Measured: Baseline

  2. Menstrual Status

    Menstrual status at initial diagnosis of primary breast cancer, assessed by medical record review and categorized as premenopausal, perimenopausal, postmenopausal, or unknown.

    Measured: At initial diagnosis of primary breast cancer

  3. Lymph node axial ratio

    The ratio of the maximum longitudinal diameter to the maximum transverse diameter of the lymph node. The maximum longitudinal diameter and maximum transverse diameter of the lymph node are measured separately, and the axial ratio is obtained by dividing the measured longitudinal diameter value by the transverse diameter value.

    Measured: Measurements should be performed prior to treatment initiation, with a time interval not exceeding 4 weeks between the measurement and pathological examination.

  4. Lymph node margin regularity

    Categorized as either regular or irregular.

    Measured: Measurements should be performed prior to treatment initiation, with a time interval not exceeding 4 weeks between the measurement and pathological examination.

  5. Lymph node hilum type

    Lymph node hilum type assessed on pre-treatment imaging, categorized according to the presence or absence of the lymph node hilum.

    Measured: Within 4 weeks before pathological examination and prior to treatment initiation

Timeline

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

  1. First posted7 May 2026
  2. Study start1 Oct 2026 (estimated)
  3. Primary completion1 Oct 2027 (estimated)
  4. Study completion1 Oct 2028 (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
Other
Time perspective
Prospective
Enrolment
200 participants (estimated)
Target duration
10 Days
IDs, dates and publications
ClinicalTrials.gov ID
NCT07573657
Sponsor's protocol ID
25K072-001
Status last verified
May 2026
First submitted
24 Apr 2026
Last updated
7 May 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes

Questions about this trial

What is this clinical trial studying?

An observational study of Lymphatic Metastasis and Breast Neoplasms, run by The First Hospital of Jilin University.

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 3 inclusion and 4 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: opening soon, as of the sponsor's last update on 7 May 2026. Status can change between updates, so confirm with the study contact before making plans.

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 Dezhi Zhang (18186876068, dezhi@jlu.edu.cn), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Maximum cortical thickness of the lymph node (mm) (time frame: Measurements should be performed prior to treatment initiation, with a time interval not exceeding 4 weeks between the measurement and pathological examination.). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 7 May 2026.

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