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Cancer Biology of Retinoblastoma

This study has been terminated.
Information provided by (Responsible Party):
Stanford University Identifier:
First received: July 11, 2012
Last updated: March 2, 2017
Last verified: March 2017
Many children with the childhood cancer, Retinoblastoma, have surgery to remove the tumor and sometimes the entire eye. The purpose of this study is to collect the extra tissue from patients who undergo tumor removal for laboratory experiments that will help us understand not only what occurs in retinoblastoma cells but also how cells normally function. Some of these studies will include an evaluation of how cells control the way that genes are expressed, how cells "know" to become retinal cells, how cells remain retinal cells, how cells lose their identity as retinal cells, what changes make retinoblastoma cells different from normal retinal cells, and what changes make some retinoblastomas worse than others.


Study Type: Observational
Study Design: Observational Model: Case-Only
Time Perspective: Retrospective
Official Title: Cancer Biology of Retinoblastoma

Resource links provided by NLM:

Further study details as provided by Stanford University:

Primary Outcome Measures:
  • Change in efficiency of reprogramming in cells with "naturally occurring" retinoblastoma mutations [ Time Frame: After appropriate time, e.g., 7, 10, 14 days after reprogramming ]
    Comparison of number of reprogramming events (defined by colony formation assay and normalized for number of cell plated) as well as the time to reprogramming.

Biospecimen Retention:   Samples With DNA
retinoblastoma tumor tissue sample

Enrollment: 8
Study Start Date: July 2012
Study Completion Date: December 2015
Primary Completion Date: December 2015 (Final data collection date for primary outcome measure)
retinablastoma tumor tissue


Ages Eligible for Study:   up to 5 Years   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Retinoblastoma patients undergoing surgical removal of part or all of their tumor, with or without the remainder of the eye

Inclusion Criteria:

  • Patient must have retinoblastoma
  • Patient must be receiving biopsy, partial surgical excision of the tumor, complete excision of the tumor, or enucleation of the eye as part of their standard care.
  • Parental consent

Exclusion Criteria:

  • Diagnosis other than Retinoblastoma
  • No surgical sampling of tumor is planned as part of standard care
  • Parental preference to not participate.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01642823

United States, California
Stanford University Cancer Institute
Stanford, California, United States, 94305
Unidad Nacional de Oncologia Pediatrica
Guatemala, Guatemala
Sponsors and Collaborators
Stanford University
Principal Investigator: Julien Sage Stanford University
  More Information

Responsible Party: Stanford University Identifier: NCT01642823     History of Changes
Other Study ID Numbers: PEDSEYE0002
Study First Received: July 11, 2012
Last Updated: March 2, 2017

Keywords provided by Stanford University:

Additional relevant MeSH terms:
Neoplasms, Neuroepithelial
Neuroectodermal Tumors
Neoplasms, Germ Cell and Embryonal
Neoplasms by Histologic Type
Neoplasms, Glandular and Epithelial
Neoplasms, Nerve Tissue
Retinal Neoplasms
Eye Neoplasms
Neoplasms by Site
Eye Diseases
Retinal Diseases processed this record on September 21, 2017