- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00388804
External Beam Radiation Therapy (EBRT) With or Without Hormonal Therapy in Prostate Cancer
Randomized Trial of External Beam Radiation With or Without Short-Course Hormonal Therapy in Intermediate Risk Prostate Cancer Patients
Primary Objective:
- To assess the possible improvement in prostate specific antigen (PSA) outcome of short course androgen suppression therapy in conjunction with dose-escalation intensity modulated radiation therapy (IMRT), 3D conformal radiation therapy (3D-CRT), or proton therapy over IMRT, 3D-CRT, or proton therapy alone in prostate cancer patients traditionally considered at intermediate risk for PSA failure following conventional local therapy. PSA failure will be the primary endpoint.
Secondary Objectives:
- To assess local control, freedom from distant metastasis, and overall survival.
- To study the impact of radiation therapy and/or hormone therapy on health-related quality of life measures using the Expanded Prostate Cancer Index Composite-Short Form 12-American Urological Association Symptom Index (EPIC-SF12-AUASI: http://roadrunner.cancer.med.umich.edu/epic/).
- To assess prognostic value of pretreatment serum testosterone as well as the decrease in hemoglobin from neoadjuvant hormone therapy.
- To assess prognostic value of pretreatment biomarkers on subsequent post-treatment clinical outcomes.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Prior patient studies have shown that short-term hormone therapy (about 4 months) before and during radiation therapy can benefit patients with bulky tumors or locally-advanced prostate tumors. These prior results have been used to justify a potential benefit for using short-term hormone therapy combined with radiation therapy for patients with less bulky or less advanced prostate cancers. However, the combination of hormone therapy and radiation has not been shown to definitively benefit patients with your level of prostate cancer. Furthermore, these older studies used relatively low doses of radiation by today's standards, and hormone therapy may be of no benefit when using higher doses of radiation. Researchers want to study the use of combination hormone therapy and radiation therapy in the treatment of your level of prostate cancer.
If you are eligible to take part in this study, you will be randomly assigned (as in the toss of a coin) to one of 2 treatment groups. There is an equal chance of being assigned to either treatment group.
If you are assigned to Group 1, you will receive high-dose radiation treatment given over about 8 1/2 weeks. During this period, you will receive up to 42 treatments, 5 days per week with 2 days rest in between. There will be no treatment on weekends. This is the current standard schedule of treatment for prostate cancer patients. A radiation treatment planning session will be done before the actual radiation treatments. This planning session will be used to get images of your prostate and other pelvic organs to help plan the radiation fields. The planning session involves a computed tomography (CT) scan that takes about 40-45 minutes. During this time, about 3 special, permanent tattoo marks will be placed on your skin using ink. The tattoo marks will help with daily setup and positioning of the radiation fields. These marks are small and about the size of a freckle.
If you are assigned to Group 2, you will receive the same radiation therapy as participants in Group 1, but you will also receive hormone therapy with bicalutamide (Casodex) and either leuprolide (Lupron) or goserelin (Zoladex). The hormone therapy includes a total of 2 injections or shots (leuprolide or goserelin) given every 3 months and a pill (bicalutamide) that is taken once per day for the first 21 to 30 days. Flutamide, which is taken three times per day for the first 21-30 days, may be used instead of bicalutamide. The choice of hormone therapy will be left up to your treating physician. You will receive hormone therapy for a full 6 months. Hormonal treatment will begin about 2 months before radiation therapy is due to start and continue for 2 months during radiation therapy, with the last phase of hormone treatment for 2 months after radiation therapy.
No matter which group you are assigned to, you will be given questionnaires to study health-related quality of life. These questionnaires will take about 15 minutes to complete and will be given to you before therapy begins. Within 1-2 weeks before starting radiation therapy, you will answer a health-related quality of life questionnaire (Expanded Prostate Cancer Index Composite-SF12-AUASI). Participants who are receiving hormonal therapy will also be given this questionnaire within one week before hormonal therapy. During radiotherapy, you will be examined every week, and severe side effects and reactions will be recorded using the modified acute toxicity scale. During radiotherapy, you also will be given the EPIC-26 Short Form at Weeks 4 and 8.
After you finish radiation therapy, you will be given the EPIC-SF12-AUASI every 3 months for the first year, every 6 months for the next 2 years, and then once a year after that. This may be done in person, by phone or by mail.
Prostate specific antigen (PSA) and testosterone levels will be checked before therapy begins. These blood tests will require about 1 teaspoon of blood. They will be checked before radiation therapy begins, but will not be checked during your radiation treatment. Your PSA and testosterone levels will be rechecked at 3 to 6 month intervals after the radiation therapy is done for the first 2 years. PSA will be checked every 6 months for the Years 3 and 4, and once a year for Year 5.
If you have worsening of disease or have intolerable side effects, you may elect to remove yourself from the prescribed treatment, but you may still be followed as part of the study.
You will be asked to return for follow-up testing in the form of physical exam every 6 months for the first 2 years and once each year after that. The purpose of the follow-up visits and tests is to check the response of your cancer to treatment. If the PSA or physical exam shows that the disease has not gone away completely or has come back, you may have repeat staging with a bone scan, pelvic CT or magnetic resonance imaging (MRI), and repeat prostate biopsy.
You will be watched for the condition of your disease for at least 4-5 years with follow-up visits and PSA tests. If you are willing to return for follow-up visits beyond 5 years, then you will continue to receive long term follow-up and be observed and advised about your illness, according to your individual needs.
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
-
-
Texas
-
Houston, Texas, United States, 77030
- UT MD Anderson Cancer Center
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Biopsy proven prostate cancer within last 12 months. Pathology must be reviewed at M.D. Anderson Cancer Center (MDACC).
- 1992 American Joint Committee on Cancer (AJCC) clinical stage T1c-2b on digital rectal exam with biopsy Gleason sum of 7 and Prostate-Specific Antigen (PSA) < 20 ng/mL (i.e. PSA 19.99 ng/mL or less)
- 1992 AJCC clinical stage T2b on physical exam with biopsy Gleason sum of 7 or less and/or PSA < 20 ng/ml
- 1992 AJCC clinical stage T1c-2b on digital rectal exam with biopsy Gleason sum of 7 or less and PSA > 10 but less than 20 ng/ml (i.e. 10.01-19.99 ng/mL). PSA used for protocol eligibility should be obtained within 30 days of protocol enrollment.
- No evidence of metastatic disease on bone scan within 3 months of study enrollment.
- No evidence of metastatic disease on pelvic computed tomography (CT) or magnetic resonance imaging (MRI) within 3 months of study enrollment.
- Zubrod performance status < 2.
- Must be able to understand protocol and adhere to follow-up initially at 3 months post-radiation and then at 6 month intervals for first two years and annually thereafter.
- Patient must be able to undergo adequate daily trans-abdominal ultrasound localization (B.A.T.) or other image-guided localization of the prostate during radiation course.
- Patients will be allowed to participate in other protocols if they are eligible and the other protocols do not interfere with participation in this protocol.
Exclusion Criteria:
- Patients who do not meet the inclusion criteria. Specifically, patients with all the following features: clinical T1c-2a and Gleason sum of 6 and PSA </= 10 ng/ml. Patients with one or more of the following features: clinical T2c, or Gleason 8-10, or PSA > 20 ng/ml are not eligible.
- Prior androgen suppression therapy. (Prior finasteride and saw palmetto allowed but must be discontinued prior to enrollment. Biopsy and PSA must be documented prior to finasteride use.)
- Previous or concurrent malignancies other than basal or squamous cell skin cancers unless disease-free for 5 years or more.
- Prior pelvic radiation or chemotherapy. Patients who received chemotherapy for non-prostate cancer malignancies over 5 years prior will be eligible.
- Prior or planned radical prostate surgery.
- Patients with clinical evidence or biopsy-proven extracapsular extension, seminal vesicle involvement, or lymph node involvement will be excluded. Patients with radiographic evidence of nodal or bone metastasis will be excluded.
- Other histologies such as small cell carcinoma, sarcomatoid or ductal variants are not eligible.
- Patients with any Gleason grade 5 disease on biopsy will not be eligible.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: RT Group 1
Radiation Therapy (RT) over 8 1/2 weeks: 42 treatments, 5 days per week with 2 days rest in between.
|
Radiation treatment given over about 8 1/2 weeks; 42 treatments, 5 days per week with 2 days rest in between.
Other Names:
Questionnaires regarding health-related quality of life given before therapy begins, each taking about 15 minutes to complete.
Other Names:
|
Active Comparator: RT Group 2 + Hormone Therapy
Radiation Therapy over 8 1/2 weeks; + Hormone Therapy (Bicalutamide 50 mg orally/day or Flutamide 250 mg orally 3 times daily on first 21-30 Days) + Leuprolide (22.5 mg Intramuscularly (IM)/every 3 months or 7.5 mg IM monthly) or Goserelin (10.8 mg subcutaneously every 3 months or 3.6 mg subcutaneously monthly)
|
Radiation treatment given over about 8 1/2 weeks; 42 treatments, 5 days per week with 2 days rest in between.
Other Names:
Questionnaires regarding health-related quality of life given before therapy begins, each taking about 15 minutes to complete.
Other Names:
50 mg By Mouth (PO) Daily
Other Names:
22.5 mg Intramuscularly (IM) Every 3 Months or 7.5 mg IM Every 1 Month
Other Names:
10.8 mg Subcutaneously Every 3 Months or 3.6 mg Subcutaneously Every 1 Month
Other Names:
250 mg by mouth three times daily on first 21-30 Days.
May be used instead of Bicalutamide.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Prostate Specific Antigen (PSA) Failures
Time Frame: 3 months up to 2 years
|
Baseline + Post-radiation PSA levels at three month intervals for initial two years then every 6 months thereafter.
Participants with a rising PSA and no evidence of local or distant recurrence considered PSA failures.
|
3 months up to 2 years
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Andrew K. Lee, MD, M.D. Anderson Cancer Center
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Neoplasms
- Urogenital Neoplasms
- Neoplasms by Site
- Genital Neoplasms, Male
- Prostatic Diseases
- Prostatic Neoplasms
- Physiological Effects of Drugs
- Antineoplastic Agents
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Antineoplastic Agents, Hormonal
- Hormone Antagonists
- Reproductive Control Agents
- Fertility Agents, Female
- Fertility Agents
- Androgen Antagonists
- Leuprolide
- Goserelin
- Bicalutamide
- Flutamide
Other Study ID Numbers
- 2003-0819
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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