Prostate Cancer Clinical Trial
Trial of eRapa in Prostate Cancer Patients
Summary
This study is to determine the safety, pharmacokinetics/pharmacodynamics, and immunologic impact of encapsulated rapamycin in patients with low risk prostate cancer under active surveillance. There will be four groups of patients, each receiving a different dose of rapamycin.
Full Description
This is a phase Ib trial of encapsulated rapamycin to determine safety, pharmacokinetics/pharmacodynamics, and immunologic impact in patients with low risk prostate cancer under active surveillance. This new formulation, encapsulated rapamycin (sirolimus), provides a more predictable bioavailability of this drug than [the other formulation]. The encapsulated and targeted rapamycin (eRapa) can be delivered at a consistent and lower dosage, not only improving the toxicity profile but also capitalizing on the newly appreciated mechanism of partial and/or intermittent mTOR inhibition, making eRapa an ideal immuno-oncologic and chemopreventative agent. Low dose rapamycin has been shown to prevent cancer formation, progression, and/or recurrence in the majority of cancer histologies including the most prevalent: lung, breast, prostate, and colon cancers.
Eligibility Criteria
Inclusion Criteria:
-
The patient must:
Have pathologically (histologically) proven diagnosis of prostate cancer with a Gleason score ≤7 (3+4) and already undergoing active surveillance
Be able to give informed consent
Be age 18 or older
Exclusion Criteria:
Prostate cancer with a Gleason score >7
Unable to give informed consent
Age < 18
Immunosuppressed state (e.g., HIV, use of chronic steroids)
Active, uncontrolled infections
On medications with strong inhibitors or inducers of CYP3A4 and or P-gp.
On agents known to alter rapamycin metabolism significantly (Appendix H)
Have another cancer requiring active treatment (except basal cell carcinoma or squamous cell carcinoma of the skin)
Individuals with a reported history of liver disease (e.g., cirrhosis)
Individuals who are not a good candidate for active surveillance in their treating physician's opinion
Have a medical condition (e.g., anemia, anticoagulated) for which repeated phlebotomy may be problematic.
Uncontrolled hypertension.
Individuals that have abnormal screening vital organ function prior to enrollment
Liver Function Test
Bilirubin >2.0
Alkaline phosphatase >5x upper limit of normal (ULN)
ALT/AST >2x ULN
Complete Blood Count:
WBC elevated above the normal standard per the testing laboratory
Hgb/Hct below the normal standards of the testing lab
Platelets below the normal standards of the testing lab
Total Cholesterol >240 mg/dL
Triglycerides > 200 mg/dL
Serum creatinine >2 and BUN >30
Urinary protein: proteinuria >1+ on urinalysis or >1 gm/24hr
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There is 1 Location for this study
San Antonio Texas, 78229, United States
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