Clinical trial Recruiting at 1 site Observational Ages 18 and up Women only

Using indocyanine green (ICG) dye alone to find sentinel lymph nodes in early vulvar cancer

Official title: Indocyanine Green for Detection of Sentinel Lymph Nodes In Comparison to ICG Plus Technetium in the Evaluation of Vulvar Squamous Cell Carcinoma: The IGNITE-V Study

Run by Hamilton Health Sciences Corporation · NCT06039111 · Data updated 2026-11-12

This will test whether near-infrared indocyanine green (ICG) alone can find sentinel lymph nodes as well as ICG plus technetium in adults with early-stage vulvar cancer.

More Vulvar Cancer trials

Quick facts

Study typeObservational
Ages18 Years and up
SexWomen only
Enrollment58 (estimated)
SponsorHamilton Health Sciences Corporation
Academic / other
Drugs / interventionsradiation
Locations1 site (Hamilton, Ontario)
StatusRecruiting
StartedOctober 1, 2023
Main results expectedMay 30, 2026
Study endsNovember 30, 2026
Registry record updatedApril 13, 2026
Trial IDNCT06039111 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adult women (18 years or older) with FIGO stage IB (depth >1 mm) or small stage II unifocal vulvar squamous cell carcinoma (tumor <4 cm) who have a negative clinical groin exam and are candidates for sentinel lymph node biopsy.

Probably not a fit

Patients with multifocal or larger tumors, a positive clinical groin exam, prior pelvic/vulvovaginal/inguinal radiation, or those allergic to technetium or ICG are unlikely to benefit or are excluded.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This prospective observational comparison uses near-infrared ICG mapping to identify sentinel lymph nodes in adults with early-stage vulvar squamous cell carcinoma and compares detection results to the dual-technique benchmark involving ICG plus technetium. Eligible patients have unifocal tumors less than 4 cm with negative clinical groin exams and are candidates for sentinel lymph node biopsy. Mapped nodes and detection rates will be recorded to calculate sensitivity and accuracy relative to the dual tracer approach. The work is conducted at Hamilton Health Sciences with data collection tied to routine surgical management.

Why it matters

Potential benefit: If successful, using ICG alone could simplify sentinel node mapping, avoid radioactive tracers, and reduce logistical burden for patients and hospitals.

How similar studies have gone: Prior smaller and retrospective series have shown promising sentinel node detection with ICG alone compared with dual tracers, but prospective confirmation in this specific population is limited.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

Adult women (18 years of age) with FIGO Stage IB (\> 1 mm depth of invasion) and small Stage II (4 cm) vulvar squamous cell carcinoma or cutaneous melanoma who are candidates for the Sentinel lymph node technique will be included (Negative clinical groin examination and/or imaging and primary unifocal vulvar tumor size of \< 4 cm).

Exclusion Criteria:

Women with a prior history of pelvic, vulvovaginal or inguinal radiation, with allergy or hypersensitivity to Technetium or ICG, or Bartholin gland cancer will be excluded.

Where it's running

  • Hamilton Health Sciences
    Hamilton, Ontario, Canada
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.