Institution
Pharmaceutical Product Development
Company•Wilmington, North Carolina, United States•
About: Pharmaceutical Product Development is a company organization based out in Wilmington, North Carolina, United States. It is known for research contribution in the topics: Immunotoxin & Fusion protein. The organization has 402 authors who have published 353 publications receiving 16396 citations.
Topics: Immunotoxin, Fusion protein, Population, Cancer, Antigen
Papers published on a yearly basis
Papers
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TL;DR: While overall use of prostacyclins was relatively constant from 2010 to 2015, the findings revealed a shift from parenteral to nonparenteral formulations, coupled with increased prescribing of PAH-related medications from other drug classes.
Abstract: BACKGROUND: Prostacyclins play an important role in the management of pulmonary arterial hypertension (PAH). Intravenous prostacyclin was the first disease-specific treatment for patients with PAH. Subcutaneous and nonparenteral (oral or inhaled) formulations have subsequently become available. However, data are lacking on how these different prostacyclin formulations are being used in clinical practice. OBJECTIVES: To (a) conduct retrospective analyses of a large U.S. health care claims database to describe the characteristics of patients with PAH initiating prostacyclin therapy, and (b) evaluate their treatment patterns, health care resource use, and associated costs. METHODS: Truven Commercial and Medicare databases were used to define annual cohorts of adults with PAH between January 1, 2010, and October 31, 2015. These patients were identified based on claims with ICD-9-CM diagnoses indicative of PAH (codes 416.0 or 416.8) and claims for PAH-specific medications and PAH-related procedures. Patients w...
17 citations
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TL;DR: A reversed-phase high-performance liquid chromatographic technique is described for the analysis of cyclophosphamide in the presence of its hydrolysis products, which may be useful forAnalysis of dosage forms but probably lacks the sensitivity necessary for analysis of the drug in biological samples.
17 citations
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TL;DR: Although SQV plasma concentrations were higher when coadministered with RTV, a combination of SQV/ATV administered BID may be a viable alternative in HIV‐infected, PI‐naive subjects intolerant to RTV.
Abstract: ASPIRE I and II were prospective, 3-way sequential crossover studies in healthy volunteers to compare the safety and pharmacokinetics of saquinavir/ritonavir (SQV/RTV) with saquinavir/atazanavir (SQV/ATV) administered either once daily (QD, ASPIRE I) or twice daily (BID, ASPIRE II). Treatments were separated by 10 days, and pharmacokinetic analyses were performed on days 11, 32, and 53. SQV pharmacokinetics were significantly higher when dosed with RTV compared to ATV (P < .05 for all comparisons). ATV pharmacokinetics were similar within treatment arms. ATV Cmin increased approximately 60%, and Cmax decreased approximately 35% with BID dosing compared with QD dosing. Women had higher exposure for all 3 protease inhibitors (PIs) compared with men after adjusting for weight. Adverse effects were primarily gastrointestinal-related with SQV/RTV and hyperbilirubinemia with SQV/ATV. Although SQV plasma concentrations were higher when coadministered with RTV, a combination of SQV/ATV administered BID may be a viable alternative in HIV-infected, PI-naive subjects intolerant to RTV.
16 citations
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TL;DR: The method offers a convenient means to isolate semi-volatile organic extractable compounds from aqueous extraction solvents for analysis by gas chromatography/mass spectrometry and shows viability of solid phase extraction for use in an extractables survey.
16 citations
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TL;DR: The performance characteristics of immunofluorescence assays for ANA determinations for screening for screening of novel therapies for systemic lupus erythematosus were evaluated.
Abstract: Objective In the development of novel therapies for systemic lupus erythematosus, antinuclear antibody (ANA) positivity represents a criterion for trial eligibility. Since as many as 30% of patients enrolled in trials have been ANA negative, we evaluated the performance characteristics of immunofluorescence assays (IFAs) for ANA determinations for screening. Methods This study used 5 commercially available IFAs to assess the ANA status of 181 patients enrolled in a phase II clinical trial for an anti-interleukin-6 antibody. Enrollment included a detailed review of medical records to verify a historical ANA value. IFA results were related to various clinical and serologic features at enrollment. Results While the frequency of ANA negativity assessed by the central laboratory was 23.8% in a cohort of 181 patients, the evaluated IFA kits demonstrated frequencies of negativity from 0.6 to 27.6%. With 2 IFA kits showing a significant frequency of ANA negativity, positive and negative samples differed in levels of anti-double-stranded DNA, C3, and presence of other ANAs as well as the frequency of high interferon (IFN) expression. Conclusion These findings indicate that, when used for screening, IFAs can vary because of performance characteristics of kits and thus can affect determination of trial eligibility. With kits producing a significant frequency of ANA negativity, ANA status can be associated with other serologic measures as well as the presence of the IFN signature, potentially affecting responsiveness to a trial agent.
16 citations
Authors
Showing all 403 results
Name | H-index | Papers | Citations |
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Liangbing Hu | 128 | 480 | 61244 |
Evan A. Stein | 80 | 340 | 36392 |
Steven J. Schwartz | 75 | 313 | 17613 |
Debra A. Schaumberg | 62 | 154 | 15505 |
Lynda A. Szczech | 58 | 175 | 13972 |
Kim L. R. Brouwer | 57 | 247 | 12521 |
Robert S. Wallis | 57 | 147 | 10420 |
Marina A. Dobrovolskaia | 43 | 122 | 10915 |
Al Artaman | 38 | 41 | 61792 |
Bindu Kalesan | 38 | 123 | 8523 |
Stefan Barth | 34 | 238 | 4509 |
Yu.N. Makarov | 32 | 214 | 3578 |
Earl Hubbell | 28 | 76 | 12553 |
Alex Aravanis | 27 | 74 | 5230 |
Izabela Konczak | 24 | 47 | 1770 |