Evaluating the CONVIVO System for Brain Tumor Surgery

Clinical Investigation to Evaluate the CONVIVO System for Discrimination of Normal From Abnormal Tissue During Brain Tumor Resection

Not applicable Interventional Dartmouth-Hitchcock Medical Center · NCT05139277

This study is testing a new imaging tool during brain tumor surgery to see if it can better tell the difference between healthy and unhealthy brain tissue for patients with brain tumors.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment30 (estimated)
Ages18 Years and up
SexAll
SponsorDartmouth-Hitchcock Medical Center Academic / other
Locations1 site (Lebanon, New Hampshire)
Trial IDNCT05139277 on ClinicalTrials.gov

What this trial studies

This study aims to assess the diagnostic performance of the CONVIVO confocal endomicroscope in distinguishing between normal and abnormal brain tissue during surgical procedures for brain tumors. By comparing intraoperative images obtained with the CONVIVO system to conventional histologic evaluations of targeted biopsies, the researchers hope to establish a strong correlation between the two methods. The study focuses on patients with various types of brain tumors, including glioblastoma and meningiomas, who are candidates for surgical intervention. This innovative approach seeks to enhance the extent of tumor resection while minimizing risks associated with surgery.

Who should consider this trial

Good fit: Ideal candidates for this study are adult patients over 18 years old with suspected intracranial gliomas or other specified brain tumors who are eligible for surgery.

Not a fit: Patients who are pregnant, under 18 years old, or have an allergy to fluorescein sodium may not benefit from this study.

Why it matters

Potential benefit: If successful, this could lead to improved surgical outcomes and survival rates for patients with brain tumors.

How similar studies have performed: This approach is novel, as previous studies have not evaluated the use of confocal microscopy for real-time tissue discrimination during brain tumor surgeries.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adult patients (age\>18)
* Adults presenting with suspected intracranial gliomas (including glioblastoma), cerebral metastasis, meningiomas, acoustic neuromas, and pituitary adenomas, who are surgical candidates
* Adults able to provide informed consent.

Exclusion Criteria:

* Pregnancy
* Children (age \<18 years)
* Fluorescein sodium (FNa) allergy

Where this trial is running

Lebanon, New Hampshire

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions GlioblastomaGlial TumorBrain MetastasesMeningiomaSchwannomaPituitary Tumor
Last reviewed 2026-06-09 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.