UHFUS Characterization of Normal Lymphatic Anatomy

Recruiting now · Not applicable

Conditions studied: Breast Cancer

In brief

This is a prospective pilot study of breast cancer patients undergoing axillary lymph node dissection (ALND) or sentinel lymph node biopsy (SLNB). Participants will undergo ultra-high frequency ultrasound (UHFUS) imaging with indocyanine green (ICG) dye to map lymphatic channels between the wrist and elbow to investigate normal lymphatic anatomy in patients with breast cancer.

Key facts

Study ID

NCT07677839

Run by

University of California, Davis

People needed

50

Starts

2026-06-17

Expected to finish

2036-09-01

Last updated by the study team

2026-07-01

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• 1. Aged 18+ at the time of consent.
• 2. Confirmed breast cancer diagnosis
• 3. Planned ALND (CPT code: 38745) or SLNB (CPT code: 38900) for breast cancer treatment
• 4. Provision of a signed and dated informed consent form.
• 5. Stated willingness to comply with all study procedures and availability for the duration of the study.

You may not qualify if…

• 1. History of transient or permanent edema of the extremity, including edema ≥stage 1 per the International Society of Lymphology (ISL) staging system 15
• 2. History of prior axillary nodal surgery
• 3. History of any lymphatic disease or venous disease of the upper extremity, including deep venous thrombosis

Where it is running

• University of California Davis Health — Sacramento, California, United States (enrolling)

Full record on ClinicalTrials.gov

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