Randomized Trial of Adjuvant Hormonal Therapy in Surgically Treated Prostate Cancer Patients at High Risk for Recurrence

Prostate Cancer Clinical Trial

Official title:

A Phase III Randomized Prospective Trial of Adjuvant Hormonal Therapy in Surgically Treated Prostate Cancer Patients at High Risk for Recurrence

Clinical Trial Details — Status: Terminated

Administrative data

• NCT number: NCT00003645
• Other study ID #: ID97-077
• Secondary ID: P30CA016672MDA-I
• Status: Terminated
• Phase: Phase 3
• Start date: June 14, 1999
• Est. completion date: March 20, 2017

Study information

• Verified date: April 2020
• Source: M.D. Anderson Cancer Center
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

RATIONALE: Testosterone can stimulate the growth of prostate cancer cells. Hormone therapy using leuprolide and flutamide may fight prostate cancer by reducing the production of testosterone. It is not yet known whether receiving leuprolide and flutamide is more effective than receiving no further therapy.

PURPOSE: Randomized phase III trial to determine the effectiveness of hormone therapy in treating patients who have stage I or stage II prostate cancer that is at high risk of recurrence and who have already undergone surgery.

Description:

OBJECTIVES:

• Determine the effect of one year of adjuvant hormonal ablation on disease-free survival at 5 years in node-negative radical prostatectomy patients at high risk for progression.

• Determine the effect of this treatment on the incidence of androgen independent prostate cancer and on disease specific and overall survival.

• Determine the impact of one year of total androgen ablation on quality of life and serum testosterone levels.

• Assess differences in quality of life between wives of patients in the androgen ablation condition compared to wives of patients in the control condition.

• Obtain blood samples from patients at high risk for failure post-prostatectomy to evaluate serum markers of prognosis.

OUTLINE: This is a randomized study. Patients are randomized to one of two treatment arms.

• Arm I: Patients receive leuprolide intramuscularly once every 3 months and oral flutamide three times daily for 1 year.

• Arm II: Patients receive no initial treatment. Quality of life is assessed every 6 months for 5 years. Quality of life of wives/partners of patients is assessed every 6 months for two years.

Patients are followed every 3 months for 1 year and then every 6 months for 4 years.

PROJECTED ACCRUAL: A total of 496 patients (248 per treatment arm) will be accrued for this study within 3.5 years.

Recruitment information / eligibility

• Status: Terminated
• Enrollment: 64
• Est. completion date: March 20, 2017
• Est. primary completion date: March 20, 2017
• Accepts healthy volunteers: No
• Gender: Male
• Age group: N/A and older

Eligibility

Inclusion Criteria:

1. Organ confined prostate cancer (stage T1-T2c) subsequent to clinical staging

2. Radical prostatectomy and bilateral lymph node dissection performed

3. Pathologic assessment of surgical specimens by MDACC pathologist

4. High risk of clinical or biochemical failure post prostatectomy (must fulfill one of the following criteria): pathology; a) Gleason grade sum score greater than or equal to 8, b) Seminal vesicle involvement, c) Extraprostatic extension with positive surgical margins and Gleason greater than or equal to 7

5. Radical prostatectomy performed within 90 days of enrollment and serum PSA level < 0.1ng/ml

6. Written informed consent

Exclusion Criteria:

1. Any evidence of metastatic disease confirmed prior to enrollment

2. Inability to confirm pathologic risk factors or inadequate prostatectomy (see item 4.1.5).

3. Hormonal ablation for greater than 3 months or radiotherapy for prostate cancer

4. Failure to achieve prostate specific antigen level of less than 0.1ng/ml prior to enrollment in study

5. Elevation of liver function tests 2x normal

6. Contraindication to the use of LH-RH agonists or antiandrogens

7. Active secondary malignancy (other than squamous or basal cell skin cancer) within five years prior to enrollment in study

8. Any concomitant medical condition that would make it undesirable for the 7patient to participate in the trial or jeopardize compliance with the protocol

Related Conditions & MeSH terms

• Prostate Cancer
• Prostatic Neoplasms
• Recurrence

Intervention

Drug:
• Flutamide
10.8 mg intramuscularly once every 3 months for 12 months
• Leuprolide Acetate
50 mg tablet orally daily for 12 months

Locations

Country	Name	City	State
United States	University of Texas - MD Anderson Cancer Center	Houston	Texas

Sponsors (4)

Lead Sponsor	Collaborator
M.D. Anderson Cancer Center	AstraZeneca, Eastern Cooperative Oncology Group, National Cancer Institute (NCI)

Country where clinical trial is conducted

United States, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Other	Number of Wives of the Participants Having Better Than or Equal to a "Good" Quality of Life	To measure the differences in quality of life between wives of participants in the androgen ablation condition compared to wives of patients in the control condition by using quality of life assessments. The following questionnaires were completed in the clinic setting and used to assess Health related (HRQoL): Medical Outcomes Study 36-Item Short Form (SF-36), University of California-Los Angeles Sexual Function Scale (UCLA-SFS), and Southwest Oncology Group Treatment-Specific Symptoms Scale (SWOG-TSSS). The SF-36 was analysed using a composite score for each of physical health and mental health. SF-36, UCLA-SFS, SWOGTSSS were combined to classify participants' quality of life.	2 years
Other	Quality of Life for Participants	To determine the impact of one year of total androgen ablation on quality of life mentally, physically and sexual function. The following questionnaires were completed by patients in the clinic setting and used to assess HRQoL: Medical Outcomes Study 36-Item Short Form (SF-36) and University of California-Los Angeles Sexual Function Scale (UCLA-SFS). To score the SF-36, scales are standardized with a scoring algorithm or by the SF-36v2 scoring software to obtain a score ranging from 0 to 100. Higher scores indicate better quality of life.	1 year
Other	Markers of Prognosis	To obtain blood/tissue samples from patients at high risk for failure post prostatectomy to evaluate markers of prognosis.	1 year after treatment
Primary	Number of Participants With Disease Free Survival at 5 Years	To determine if one year of adjuvant hormonal ablation in node negative radical prostatectomy patients at high risk for progression will result in an improvement in disease-free survival at five years.	Beginning of the study up to 5 years

External Links

•   University of Texas MD Anderson Cancer Center Official Website