Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C1519176 (PSA)
 5,490 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Androgen deprivation displays the mean therapy of advanced stage prostatic cancer, independently of palliative radiotherapy. The evolution to hormone-resistance status leads to a fatal tumor progression. High-dose fosfestrol (diethylstilbestrol diphosphate) has been suggested to circumvent hormone-resistance and to induce a direct cytotoxic effect. Sixteen patients with hormone-resistant prostate cancer were treated by continuous infusion of high-dose fosfestrol according to two schedules: 10 patients were included in a phase I trial of a daily escalating dose from 1.5 g/d to 4.5 g/d for 7 to 10 days. Six other patients were uniformly treated by 4 g/d for 3.5 h for 5 days. Between each course, patients received orally 300 mg/d fosfestrol and 200 mg/d salicylic acid. The mean age was 65 years (range 51-75). Mean number of courses was two (extremes 1-7). Toxicities: reversible weight gain was observed in five patients. One patient presented a pulmonary edema which was resolved immediately after diuretics. One patient and 9 patients respectively experienced grade III and II (OMS) nausea and vomiting. Transient perineal pruritus occurred in 5 patients. Responses: 15 patients were evaluable (one early death occurred on day 3 from tumor progression complicated by an intravascular coagulation disease). There were four objective stabilizations (NPCP criteria) lasting 2 m, 2 m, 5 m and 10 m respectively. Subjective improvement of pain was observed in five other patients. There was more than 50% reduction of PSA in eight patients. High-dose fosfestrol seems to have some objective activity with moderate toxicity and warrants further investigation.
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PMID:[High dose fosfestrol in phase I-II trial for the treatment of hormone-resistant prostatic adenocarcinoma]. 817 77

To evaluate the clinical safety profile for the use of gold nanoshells in patients with human prostate cancer. This follows on the nonclinical safety assessment of the AuroShell particles reported previously. Twenty-two patients, with biopsy diagnosed prostate cancer, underwent nanoshell infusion and subsequent radical prostatectomy (RRP). Fifteen of these patients had prostates that were additionally irradiated by a single-fiber laser ablation in each prostate hemisphere prior to RRP. Patients in the study were assessed at 9 time points through 6 months postinfusion. Adverse events were recorded as reported by the patients and from clinical observation. Blood and urine samples were collected at each patient visit and subjected to chemical (16 tests), hematological (23 tests), immunological (3 tests, including total PSA), and urinalysis (8 tests) evaluation. Temperature of the anterior rectal wall at the level of the prostate was measured. The study, recorded 2 adverse events that were judged attributable to the nanoparticle infusion: (1) an allergic reaction resulting in itching, which resolved with intravenous antihistamines, and (2) in a separate patient, a transient burning sensation in the epigastrium. blood/hematology/urinalysis assays indicated no device-related changes. No change in temperature of the anterior rectal wall was recorded in any of the patients. The clinical safety profile of AuroShell particles is excellent, matching nonclinical findings. A recent consensus statement suggested that the published literature does not support a preference for any ablation technique over another.(1) Now that clinical safety has been confirmed, treatment efficacy of the combined infusion plus laser ablation in prostate will be evaluated in future studies using imaging modalities directing the laser against identified prostate tumors.
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PMID:Initial Evaluation of the Safety of Nanoshell-Directed Photothermal Therapy in the Treatment of Prostate Disease. 2629 72