Retrospective Evaluation of a Commercially Available Hydrogel Spacer (BP-009)

Clinical Protocol for the Retrospective Evaluation of a Commercially Available Hydrogel Spacer

Dosimetry efficacy of the hydrogel spacer.

Single arm study for evaluation of dosimetry following use of a commercially available hydrogel spacer implanted in up to 20 males who underwent radiotherapy treatment for prostate cancer. Study utilized pre and post gel insertion CT images to determine endpoints.

Inclusion Criteria:

• Males
• At least 18 years of age
• Undergone external beam or brachy radiation therapy with a hydrogel spacer in place

Exclusion Criteria:

• Clinical and pathological data are not available
• Invasive adenocarcinoma that is extracapsular and demonstrates posterior extension