Electrospinning is a technique used to create nano/micro-fibrous materials from various polymers for biomedical uses. Polymers like polycaprolactone (PCL) are commonly used, but their hydrophobic properties can limit their applications. To enhance hydrophilicity, nonionic surfactants such as sorbitane monooleate (Span80) and poloxamer (P188) can be added to the PCL electrospinning solution without altering its net charge density.
View Article and Find Full Text PDFObjectives: To evaluate the efficacy and safety of abiraterone acetate plus prednisone (AAP) plus androgen-deprivation therapy (ADT) in Japanese subgroup with newly diagnosed, metastatic hormone-naïve prostate cancer (mHNPC) from Phase 3, randomized, global LATITUDE study.
Methods: Men with mHNPC having ≥2 of 3 high-risk factors (Gleason score ≥8, ≥3 bone lesions or measurable visceral metastases) randomly received abiraterone acetate 1000-mg+ prednisone 5-mg+ADT (AAP group) or ADT+Placebos (Placebo group). Coprimary endpoints were overall survival (OS) and radiographic progression-free survival (rPFS).
Background: In the LATITUDE trial, addition of abiraterone acetate plus prednisone to androgen deprivation therapy (ADT) improved overall survival compared with placebos plus ADT in patients with newly diagnosed, high-risk, metastatic castration-naive prostate cancer. Understanding the effects of treatments on patient-reported outcomes (PROs) and health-related quality of life (HRQOL) is important for treatment decisions; therefore we aimed to analyse the effects of ADT plus abiraterone acetate and prednisone versus ADT plus placebos on PROs and HRQOL in patients in the LATITUDE study.
Methods: In the multicentre, international, randomised, phase 3 LATITUDE trial, eligible patients were aged 18 years or older, had newly diagnosed, high-risk, metastatic castration-naive prostate cancer confirmed by bone scan (bone metastases) or by CT or MRI (visceral, soft tissue, or nodal metastases), and an Eastern Cooperative Oncology Group (ECOG) performance status score of 2 or less.
Background: Abiraterone acetate, a drug that blocks endogenous androgen synthesis, plus prednisone is indicated for metastatic castration-resistant prostate cancer. We evaluated the clinical benefit of abiraterone acetate plus prednisone with androgen-deprivation therapy in patients with newly diagnosed, metastatic, castration-sensitive prostate cancer.
Methods: In this double-blind, placebo-controlled, phase 3 trial, we randomly assigned 1199 patients to receive either androgen-deprivation therapy plus abiraterone acetate (1000 mg daily, given once daily as four 250-mg tablets) plus prednisone (5 mg daily) (the abiraterone group) or androgen-deprivation therapy plus dual placebos (the placebo group).
Background: The impact of subsequent metastases on costs and medical resource use (MRU) for prostate cancer (PC) patients initially diagnosed with localized disease was estimated.
Methods: Surveillance, Epidemiology, and End Results data, linked to Medicare (1999-2012), were used to identify 7482 patients diagnosed with subsequent metastases 12 months or more after the initial diagnosis of localized PC (cases), and they were matched to 25,709 localized PC patients without subsequent metastases (controls). Patients were followed for costs and MRU from 12 months before their index date (subsequent metastases or a matched date for controls) up to 12 months after it.
Unlabelled: In the COU-AA-302 trial, abiraterone acetate plus prednisone significantly increased overall survival for patients with chemotherapy-naïve metastatic castration-resistant prostate cancer (mCRPC). Limited information exists regarding response to subsequent androgen signaling-directed therapies following abiraterone acetate plus prednisone in patients with mCRPC. We investigated clinical outcomes associated with subsequent abiraterone acetate plus prednisone (55 patients) and enzalutamide (33 patients) in a post hoc analysis of COU-AA-302.
View Article and Find Full Text PDFBackground: Our understanding of the clinical characteristics and treatment patterns of men who present with newly diagnosed metastatic (M1) hormone-sensitive prostate cancer is based mainly on clinical trial data. We sought to characterize the M1 population seen in routine clinical practice using a commercial claims database.
Patients And Methods: A US claims (2000-2013) database was used to identify patients with an index diagnosis of prostate cancer.
Background: Treatment patterns for metastatic castration-resistant prostate cancer (mCRPC) have changed substantially in the last few years. In trial COU-AA-302 (chemotherapy-naïve men with mCRPC), abiraterone acetate plus prednisone (AA) significantly improved radiographic progression-free survival and overall survival (OS) when compared to placebo plus prednisone (P).
Objective: This post hoc analysis investigated clinical responses to docetaxel as first subsequent therapy (FST) among patients who progressed following protocol-specified treatment with AA, and characterized subsequent treatment patterns among older (≥75 yr) and younger (<75 yr) patient subgroups.
J Community Support Oncol
April 2016
Background: Metastatic castration-resistant prostate cancer (mCRPC) is typically associated with declining health-related quality of life (HR-QoL).
Objective: To assess patient experience with abiraterone acetate (hereafter abiraterone) plus prednisone longitudinally.
Methods: COU-AA-302 was a phase 3, multinational, randomized, double-blind study that enrolled asymptomatic or mildly symptomatic, chemotherapy-naïve patients with mCRPC.
Background: Abiraterone acetate (AA) is the prodrug of abiraterone, which inhibits CYP17A1 and testosterone synthesis and prolongs the survival of patients with metastatic castration-resistant prostate cancer (mCRPC). AA plus prednisone (P) (AA+P) is approved for the treatment of patients with mCRPC.
Objective: To investigate whether long-term use of low-dose P with or without AA leads to corticosteroid-associated adverse events (CA-AEs) in mCRPC patients.
Despite increasing drug treatment options for metastatic castration-resistant prostate cancer (mCRPC) patients, real-world treatment data are lacking. We conducted retrospective analyses of commercial claims and electronic medical record (EMR) databases to understand how treatment patterns for mCRPC have changed in a US-based real-world population. Truven Health Analytics MarketScan(®) (2000-2013) and EMR (2004-2013) databases were used to identify patients with an index prostate cancer diagnosis (ICD-9 codes 185X or 233.
View Article and Find Full Text PDFObjective: To identify patient populations most in need of treatment across the prostate cancer disease continuum, we developed a novel dynamic transition model based on risk of disease progression and mortality.
Design And Outcome Measurements: We modeled the flow of patient populations through eight prostate cancer clinical states (PCCS) that are characterized by the status of the primary tumor, presence of metastases, prior and current treatment, and testosterone levels. Simulations used published US incidence rates for each year from 1990.
Background: In the final analysis of the phase 3 COU-AA-301 study, abiraterone acetate plus prednisone significantly prolonged overall survival compared with prednisone alone in patients with metastatic castration-resistant prostate cancer progressing after chemotherapy. Here, we present the final analysis of an early-access protocol trial that was initiated after completion of COU-AA-301 to enable worldwide preapproval access to abiraterone acetate in patients with metastatic castration-resistant prostate cancer progressing after chemotherapy.
Methods: We did a multicentre, open-label, early-access protocol trial in 23 countries.
Background: Abiraterone acetate (an androgen biosynthesis inhibitor) plus prednisone is approved for treating patients with metastatic castration-resistant prostate cancer (mCRPC). Study COU-AA-302 evaluated abiraterone acetate plus prednisone versus prednisone alone in mildly symptomatic or asymptomatic patients with progressive mCRPC without prior chemotherapy.
Objective: Report the prespecified third interim analysis (IA) of efficacy and safety outcomes in study COU-AA-302.
Neuropsychol Rehabil
August 2008
This study provides ecological validity for laboratory findings that people with memory difficulties following brain injury can learn new skills. This was done by testing the acquisition of a useful real-world perceptual-motor skill. Using a conventional computer software training package supplemented by one-to-one coaching, a woman with severely impaired memory and a man with poor memory learned to touch type.
View Article and Find Full Text PDFCancer Chemother Pharmacol
August 2005
Recent studies of docetaxel have demonstrated improved survival over mitoxantrone and prednisone in patients with hormone-refractory prostate cancer (HRPC), supporting the study of novel docetaxel-containing regimens as primary therapy or following initial docetaxel-based therapy. To evaluate the combination of docetaxel and vinorelbine in the treatment of patients with HRPC, 40 patients with proven adenocarcinoma of the prostate with progressive metastatic disease despite androgen ablation were enrolled onto this phase II trial. Patients were treated with docetaxel 60 mg/m2 on day 1 and vinorelbine 15 mg/m2 on days 1 and 8 of a 21-day cycle.
View Article and Find Full Text PDFPurpose: To evaluate docetaxel in the treatment of patients with early-stage prostate cancer with prostate-specific antigen (PSA) progression after local therapy without androgen ablation therapy.
Patients And Methods: Twenty-five patients with adenocarcinoma of the prostate with PSA progression despite local therapy were treated with 70 mg/m2 docetaxel every 21 days. Treatment was planned for eight cycles.
The purpose of the study was to evaluate response and survival in patients with metastatic urothelial cancer treated with combination gemcitabine and paclitaxel administered on a biweekly schedule at doses of 3000 mg/m2 and 150 mg/m2, respectively. Patients with adequate organ function and performance status were accrued through 7 institutions, stratified by prior therapy status, and treated as noted. Response was evaluated by 1979 bi-dimensional World Health Organization (WHO) criteria.
View Article and Find Full Text PDFPurpose: A phase I trial was conducted to determine the maximally tolerated dose (MTD) of concurrent weekly docetaxel and three-dimensional conformal radiation therapy (3-D CRT) in unfavorable localized adenocarcinoma of the prostate.
Patients And Methods: Patients with unfavorable localized adenocarcinoma of the prostate underwent daily 3-D CRT to a total dose of 70.2 Gy at 1.
J Photochem Photobiol B
February 2004
Purpose: To determine the potential long term (three or six months) effectiveness of photodynamic therapy (PDT) in reducing intimal hyperplasia in swine.
Methods: Intimal hyperplasia in the abdominal aortae of swine was created by a combination of fat-supplemented diet and balloon catheter injury prior to PDT. Swine were randomly allocated into one of three groups which received either: (i) both drug and light (PDT), (ii) drug only, or (iii) light only.
Purpose: Vaccines, cytokines, and other biologic-based therapies are being developed as antineoplastic agents. Many of these agents are designed to induce an autologous immune response directed against the malignancy. In contrast, hematopoietic stem-cell transplantation is being developed as a form of allogeneic immunotherapy.
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