- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00678015
Pharmacokinetic and Efficacy Study of Nordihydroguaiaretic Acid (NDGA) in Non Metastatic Recurrent Prostate Cancer
March 11, 2014 updated by: University of California, San Francisco
A Phase II Pharmacokinetic and Efficacy Study of Nordihydroguaiaretic Acid (NDGA) in Non-Metastatic Recurrent Prostate Cancer
This is a Phase II, single center study measuring the pharmacokinetic parameters of NDGA administration and assessing the proportion of patients who experience a 50% decline in PSA.
Study Overview
Status
Terminated
Conditions
Intervention / Treatment
Detailed Description
This study is a phase II trial of NDGA in patients with hormone-sensitive non-metastatic prostate cancer with a pharmacokinetics component.
The first six patients enrolled will be treated with a single 750 mg dose of oral NDGA on day -7 with measurement of pharmacokinetic parameters over eight hours after the dose, then begin treatment with 2000 mg of oral NDGA daily.
Every four weeks, measurement of pharmacokinetic parameters at steady state will be done for all patients.
All patients will continue dosing with NDGA and will be followed for PSA response and for safety.
Measurement of pharmacokinetics for a 750 mg dose has been chosen to evaluate levels with the dosage that patients will be taking at one time point during the day (this is roughly one-third of the daily dose, which is administered in three divided doses).
Study Type
Interventional
Enrollment (Actual)
12
Phase
- Phase 2
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
California
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San Francisco, California, United States, 94115
- UCSF Helen Diller Family Comprehensive Cancer Center
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
16 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
Male
Description
Inclusion Criteria:
- Rising prostate-specific antigen (PSA) value after local therapy with a PSA doubling time (PSADT) between 6 and 24 months (four or more readings at least two weeks apart within the last six months)
Prior definitive therapy for prostate cancer consisting of one of the following:
- External beam radiotherapy with or without hormone therapy
- Brachytherapy with or without pelvic external beam radiation or hormone therapy
- Radical prostatectomy with or without adjuvant or salvage radiation therapy
- PSA > 1 ng/ml, which has risen serially on two determinations at least one week apart
- Progressive disease by "Phoenix" consensus definition for patients who have undergone primary radiation therapy (PSA nadir + 2 ng/mL)
- No metastatic disease
Prior adjuvant or neoadjuvant androgen deprivation is permitted, provided:
- > 6 months since last day of effective androgen deprivation
- Testosterone > 250 ng/dL
- Patient is not on intermittent androgen deprivation
- Karnofsky performance status (KPS) of > 70%
- Liver Function Tests are within normal range
- Glycated hemoglobin (HgA1c) < 6%
- Patients must be four weeks from major surgery or radiotherapy to be eligible
Exclusion Criteria:
- Presence of another active malignancy other than prostate cancer, or treated squamous/basal cell carcinoma of the skin. Concomitant medical condition which would make it undesirable, in the physician's opinion, for the patient to participate in the protocol or would jeopardize compliance with the protocol requirements
- Diabetes mellitus, unless diet-controlled
- Must be off saw palmetto, pomegranate juice, finasteride, or any herbal agent intended to lower PSA for > 4 weeks. Baseline PSADT calculation must occur off of these agents
- Patients may not have evidence of local-only recurrence of prostate cancer
- No history of liver disease, including Hepatitis B or C, alcoholic liver disease, or autoimmune liver disease. A prior history of Hepatitis A is allowed provided that baseline liver function tests are within normal limits
- Patients with castration resistant prostate cancer are ineligible (prostate cancer which has progressed on androgen deprivation therapy with a Luteinizing hormone-releasing hormone (LHRH)-agonist or orchiectomy)
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: 1
|
NDGA 2000mg daily
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Prostate Specific Antigen (PSA) Response According to Consensus Criteria
Time Frame: Monthly, up to 29 months
|
Participants who experienced a PSA decline of at least 50%, confirmed by a second PSA value 4 or more weeks later.
The reference PSA for decline was a PSA measured within 2 weeks of beginning study treatment.
If at most 1 PSA response was observed among the first 12 patients, then accrual would stop and the trial would close for futility.
|
Monthly, up to 29 months
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Collaborators
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
May 1, 2008
Primary Completion (Actual)
February 1, 2011
Study Completion (Actual)
June 1, 2011
Study Registration Dates
First Submitted
May 12, 2008
First Submitted That Met QC Criteria
May 14, 2008
First Posted (Estimate)
May 15, 2008
Study Record Updates
Last Update Posted (Estimate)
April 9, 2014
Last Update Submitted That Met QC Criteria
March 11, 2014
Last Verified
March 1, 2014
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
- Molecular Mechanisms of Pharmacological Action
- Peripheral Nervous System Agents
- Enzyme Inhibitors
- Analgesics
- Sensory System Agents
- Anti-Inflammatory Agents, Non-Steroidal
- Analgesics, Non-Narcotic
- Anti-Inflammatory Agents
- Antirheumatic Agents
- Cyclooxygenase Inhibitors
- Protective Agents
- Antioxidants
- Lipoxygenase Inhibitors
- Masoprocol
Other Study ID Numbers
- 075511
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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