Luteinizing Hormone-Releasing Hormone Agonist Therapy and Iodine I 125 Implant in Treating Patients With Previously Untreated Prostate Cancer

2014-08-27 03:31:10 | BioPortfolio


RATIONALE: Androgens can cause the growth of prostate cancer cells. Luteinizing hormone-releasing hormone agonists may lessen the amount of androgens made by the body. Internal radiation uses radioactive material placed directly into or near a tumor to kill tumor cells. Giving luteinizing hormone-releasing hormone agonist together with an iodine I 125 implant may be an effective treatment for patients with prostate cancer.

PURPOSE: This randomized phase III trial is studying how well giving luteinizing hormone-releasing hormone agonist therapy together with an iodine I 125 implant works with or without additional luteinizing hormone-releasing hormone agonist therapy in treating patients with previously untreated prostate cancer.



- To evaluate the biochemical progression-free survival (PFS), overall survival, clinical PFS, and disease-free survival of patients with previously untreated intermediate-risk prostate cancer treated with neoadjuvant luteinizing hormone-releasing hormone (LHRH) agonist therapy and permanent iodine I 125 implantation with vs without adjuvant LHRH agonist therapy.

- To determine the non-adaptive interval to salvage therapy in patients treated with these regimens.

- To determine the safety of these regimens in these patients.

OUTLINE: This is a multicenter study. Patients are randomized to 1 of 2 treatment arms.

- Arm I: Patients receive neoadjuvant luteinizing hormone-releasing hormone (LHRH) agonist therapy for up to 3 months and undergo permanent iodine I 125 implantation. Patients then receive adjuvant LHRH agonist therapy for up to 9 months.

- Arm II: Patients receive neoadjuvant LHRH agonist therapy and undergo permanent iodine I 125 implantation as in arm I.

Study Design

Allocation: Randomized, Control: Active Control, Primary Purpose: Treatment


Prostate Cancer


releasing hormone agonist therapy, adjuvant therapy, neoadjuvant therapy, iodine I 125


Jikei University School of Medicine Hospital




National Cancer Institute (NCI)

Results (where available)

View Results


Published on BioPortfolio: 2014-08-27T03:31:10-0400

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