RB Liquid Biopsy Biorepository (rbliqbx)

  • STATUS
    Recruiting
  • End date
    Dec 31, 2025
  • participants needed
    800
  • sponsor
    Children's Hospital Los Angeles
Updated on 4 October 2022
cancer
bilateral retinoblastoma

Summary

Retinoblastoma (RB) is a primary eye cancer that forms in the back of the eye of infants and toddlers. Traditionally, RB is diagnosed without a biopsy; tumor can only be studied once an eye has been surgically removed.

Given this limitation, we use aqueous humor (AH), the clear fluid in the front of the eye to detect specific markers, or information, that comes from the tumor itself.

Description

Retinoblastoma (RB) is a primary intraocular malignancy that forms in the retina of infants and toddlers. Traditionally, RB is diagnosed without tissue as direct tumor biopsy is prohibited due to risk of extraocular spread; tissue can only be obtained once an eye has been surgically removed.

Given this limitation, there are no eye-specific molecular biomarkers in current clinical practice for RB. The lack of in vivo molecular data without removing the eye limits our ability to prognosticate clinical outcomes and develop personalized treatment plans. It also limits our understanding of intratumoral dynamics throughout therapy.

The aqueous humor (AH) is a high-yield source of tumor-derived nucleic acid that can be utilized as a liquid biopsy in eyes with retinoblastoma. Detection of biomarkers from the AH may be used to prognosticate the likelihood of eye salvage and in the future may facilitate targeted, patient-centered therapies based on molecular biomarkers.

OBJECTIVES
  1. Systematically and prospectively record accurate and complete data regarding the clinical presentation, treatment, and outcomes of patients diagnosed with RB.
  2. Collect, bank, preserve, and analyze biomaterials including AH, blood and saliva from patients with RB.
  3. Correlate phenotypic data with genotypic findings from human biomaterials in retinoblastoma patients to identify clinically relevant biomarkers

Details
Condition Retinoblastoma, Retinoblastoma Bilateral, Retinoblastoma Unilateral
Clinical Study IdentifierNCT04959097
SponsorChildren's Hospital Los Angeles
Last Modified on4 October 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

All patients, age 0 days to 18 years, with a diagnosis unilateral or bilateral retinoblastoma (RB) seen at CHLA (Children's Hospital Los Angeles)

Exclusion Criteria

Patients referred for second opinions only and not treated at CHLA for any reason
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