Pharmacokinetic profile of defibrotide in patients with renal impairment.

Hepatic veno-occlusive disease, also called sinusoidal obstruction syndrome (VOD/SOS), is an unpredictable, potentially life-threatening complication of hematopoietic stem cell transplant conditioning. Severe VOD/SOS, generally associated with multiorgan dysfunction (pulmonary or renal dysfunction), may be associated with >80% mortality. Defibrotide, recently approved in the US, has demonstrated efficacy treating hepatic VOD/SOS with multiorgan dysfunction. Because renal […]

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Population Pharmacokinetic and Pharmacodynamic Analyses from a 4-Month Intra–Dose Escalation and Its Subsequent 12-Month Dose Titration Studies for a Human Monoclonal Anti-FGF23 Antibody (KRN23) in Adults with X-Linked Hypophosphatemia

X-linked hypophosphatemia (XLH) is an inherited metabolic bone disease with abnormally elevated serum FGF23 resulting in low renal maximum threshold for phosphate reabsorption, low serum phosphate (Pi) and 1,25-dihydroxyvitamin D levels with subsequent development of short stature and skeletal deformities. KRN23 is a novel human anti-FGF23 antibody for the treatment of XLH. The pharmacokinetics (PK) […]

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Learning from Failure: Leveraging Biosimulation for Pediatric Drug Development Success

The high rate of trial failures, increasing regulatory demands, and ethical imperatives all require a reexamination of the current approach to pediatric drug development. Biosimulation is a proven approach that will help optimize trial design and inform the drug label. This approach can support global regulatory strategies that increase the likelihood of success for pediatric drug development programs.

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Pharmacokinetics, Safety, and Tolerability of Teduglutide, a Glucagon-Like Peptide-2 (GLP-2) Analog, Following Multiple Ascending Subcutaneous Administrations in Healthy Subjects

Teduglutide, a glucagon-like peptide-2 (GLP-2) analog, is currently being evaluated for the treatment of short-bowel syndrome, Crohn’s disease, and other gastrointestinal disorders. The pharmacokinetics, safety, and tolerability of teduglutide in healthy subjects (N = 64) were assessed following daily subcutaneous administrations for 8 days in a double-blinded, randomized, placebo-controlled, ascending-dose study. Teduglutide treatments were administered […]

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Pharmacokinetic Analysis of Capsaicin After Topical Administration of a High-Concentration Capsaicin Patch to Patients With Peripheral Neuropathic Pain

Capsaicin, a pungent compound in chili peppers, is a highly selective agonist for the transient receptor potential vanilloid 1 receptor expressed in nociceptive sensory nerves. A high-concentration (640 μg/cm2) capsaicin patch, designated NGX-4010, is in clinical evaluation for the management of peripheral neuropathic pain. To determine systemic capsaicin exposure after single 60- or 90-minute NGX-4010 […]

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Pharmacokinetics and Pharmacodynamics of TBR-652, a Novel CCR5 Antagonist, in HIV-1-Infected, Antiretroviral Treatment-Experienced and CCR5 Antagonist-Naive Patients

TBR-652 is a novel CCR5 antagonist with potent in vitro anti-HIV activity. The objective of this study was to determine the pharmacokinetics (PK) and pharmacodynamics (PD) of TBR-652 in HIV-1-infected, antiretroviral treatment-experienced, CCR5 antagonist-naive patients. A double-blind, placebo-controlled, randomized, dose-escalating study of TBR-652 monotherapy given once daily orally for 10 days was performed followed by […]

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Pharmacokinetic and Pharmacodynamic Modeling to Determine the Human Dose of ST-246(R) to Protect Against Smallpox.

Although smallpox has been eradicated, the United States government considers it a “material threat” and has funded the discovery and development of potential therapeutic compounds. As reported here, the human efficacious dose for one of these compounds, ST-246, was determined using efficacy studies in nonhuman primates (NHPs), together with pharmacokinetic and pharmacodynamic analysis that predicted […]

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