Prospective Evaluation of a Commercially Available Hydrogel Spacer

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

Dosimetry efficacy evaluation of the hydrogel spacer

Single arm study for evaluation of dosimetry following use of a commercially available hydrogel spacer implanted in 20 males undergoing radiotherapy to treat prostate cancer. Study will utilize pre and post gel insertion CT images to determine the endpoints.

Inclusion Criteria:

• Males
• At lease 18 years of age
• Undergoing external beam or brachy radiation therapy with a hydrogel spacer

Exclusion Criteria:

• Invasive adenocarcinoma that is extracapsular and demonstrates posterior extension