Overcoming the blood-brain barrier in chemotherapy treatment of pediatric brain tumors.

abstract：PURPOSE:To determine whether a Protected Graft Copolymer (PGC) containing fatty acid can be used as a stabilizing excipient for GLP-1 and whether PGC/GLP-1 given once a week can be an effective treatment for diabetes. METHODS:To create a PGC excipient, polylysine was grafted with methoxypolyethyleneglycol and fatty ac...

journal_title：Pharmaceutical research

authors： Castillo GM,Reichstetter S,Bolotin EM

更新日期：2012-01-01 00:00:00

abstract：:Porcine pancreatic elastase, a well-characterized serine protease, has been used as a model to assess the effects of excessive humidity on solid-state stability of the lyophilized protein. Elastase lyophilized without excipients retained full activity immediately after freeze-drying but became denatured upon continued...

journal_title：Pharmaceutical research

authors： Chang BS,Randall CS,Lee YS

更新日期：1993-10-01 00:00:00

abstract：:Fibers were spun by the downward configuration of the wet spinning technique. This configuration is capable of encapsulating nonspherical and/or coarse particles. We examined encapsulation of propranolol hydrochloride and the ability of the fibers to act as a sustained-release delivery system for propranolol hydrochlo...

journal_title：Pharmaceutical research

authors： Hussain MA,DiLuccio RC,Shefter E,Hurwitz AR

更新日期：1989-12-01 00:00:00

abstract：PURPOSE:To assess the efficacy of lipid-protein-sugar particles (LPSPs) in providing prolonged duration local anesthesia by percutaneous injection. METHODS:Bupivacaine-containing LPSPs were characterized and optimized in vitro. Male Sprague-Dawley rats were given sciatic nerve blocks with bupivacaine-containing LPSPs....

journal_title：Pharmaceutical research

authors： Kohane DS,Lipp M,Kinney RC,Lotan N,Langer R

更新日期：2000-10-01 00:00:00

abstract：PURPOSE:To study the biorelevant drug release from novel starch-based polyvinyl alcohol capsules (S-PVA-C). The effect of the shell material is studied by considering microstructural formulation changes during hydration. METHODS:Two different self-emulsifying systems containing either fenofibrate or probucol were fill...

journal_title：Pharmaceutical research

authors： Misic Z,Urbani R,Pfohl T,Muffler K,Sydow G,Kuentz M

更新日期：2014-01-01 00:00:00

abstract：PURPOSE:To design and synthesize fatty acid-RGD peptide amphiphiles with ADA linker for their potential delivery of hydrophobic drugs like paclitaxel targeted to α(v)β(3) integrin overexpressing tumors. METHODS:Four amphiphiles - C16 or C18 fatty acid-RGD peptide and ADA linker were designed and synthesized. CMC, size...

journal_title：Pharmaceutical research

authors： Javali NM,Raj A,Saraf P,Li X,Jasti B

更新日期：2012-12-01 00:00:00

abstract：PURPOSE:To dynamically analyze the processes of oral absorption and hepatobiliary distribution of telmisartan using positron emission tomography (PET). METHODS:(11)C-labeled telmisartan ([(11)C]TEL) was orally administered to rats with or without non-radiolabeled telmisartan (0.5, and 10 mg/kg). PET scanning of abdomi...

journal_title：Pharmaceutical research

authors： Kataoka M,Takashima T,Shingaki T,Hashidzume Y,Katayama Y,Wada Y,Oh H,Masaoka Y,Sakuma S,Sugiyama Y,Yamashita S,Watanabe Y

更新日期：2012-09-01 00:00:00

abstract：PURPOSE:Nonlinear conjugation metabolic rate of valproic acid (VPA) has been speculated previously from plasma elimination and liver concentration of VPA in guinea pigs. The purposes of the present study were to assess our speculation by direct measurement of VPA glucuronidation rate in vitro. METHODS:VPA at various c...

journal_title：Pharmaceutical research

authors： Yu HY,Shen YZ

更新日期：1996-08-01 00:00:00

abstract：PURPOSE:Studies were conducted to evaluate whether the use of an in vitro model of the blood-brain barrier (BBB) resulted in more accurate predictions of the in vivo transport of compounds compared to the use of a human intestinal cell line (Caco-2). METHODS:The in vitro BBB model employs bovine brain capillary endoth...

journal_title：Pharmaceutical research

authors： Lundquist S,Renftel M,Brillault J,Fenart L,Cecchelli R,Dehouck MP

更新日期：2002-07-01 00:00:00

abstract：:Moisture sorption characteristics and the effect of moisture content on the compression properties of two dextrose-based directly compressible diluents, namely, Emdex (diluent A) and Sweetrex (diluent B) were studied. Both diluents sorbed moisture rapidly at relative humidities greater than 60%. For both the diluents,...

journal_title：Pharmaceutical research

authors： Shukla AJ,Price JC

更新日期：1991-03-01 00:00:00

abstract：PURPOSE:Synthetic hydrogels fabricated from photopolymerization are attractive for tissue engineering for their controlled macroscopic properties, the ability to incorporate biological functionalities, and cell encapsulation. The goal of the present study was to exploit the attractive features of synthetic hydrogels to...

journal_title：Pharmaceutical research

authors： Bryant SJ,Nicodemus GD,Villanueva I

更新日期：2008-10-01 00:00:00

abstract：PURPOSE:To characterize the electrochemical behavior of the photodegradation product of nifedipine, i.e., 2,6-dimethyl-4-(2-nitrosophenyl)-3,5-pyridine-carboxylic acid dimethyl ester (NPD) in different electrolytic media. We also evaluated the interaction between free radicals generated from NPD and xeno/endobiotics. ...

journal_title：Pharmaceutical research

authors： Núñez-Vergara LJ,Bollo S,Fuentealba J,Sturm JC,Squella JA

更新日期：2002-04-01 00:00:00

abstract：PURPOSE:We recently showed that the perfusion of isolated rat livers with perfusates containing bovine serum albumin (BSA) would significantly stimulate the release of tumor necrosis factor (TNF)-alpha. Here, we hypothesize that BSA-induced increase in the release of TNF-alpha, and possibly other cytokines, would affec...

journal_title：Pharmaceutical research

authors： Vuppugalla R,Shah RB,Chimalakonda AP,Fisher CW,Mehvar R

更新日期：2003-01-01 00:00:00

abstract：PURPOSE:The gadopentetic acid (Gd-DTPA)-loaded chitosan nanoparticles (Gd-nanoCPs) were prepared for gadolinium neutron-capture therapy (Gd-NCT) and characterized and evaluated as a device for intratumoral (i.t.) injection. METHODS:Gd-nanoCPs were prepared by a novel emulsion-droplet coalescence technique. The effects...

journal_title：Pharmaceutical research

authors： Tokumitsu H,Ichikawa H,Fukumori Y

更新日期：1999-12-01 00:00:00

abstract：:The effect of buprenorphine on bremazocine-induced diuresis was tested in the rat to determine the nature of buprenorphine's action at the ϰ opioid receptor. Both morphine-tolerant and naive rats were used to account for possible antidiuretic effects of buprenorphine at the µ site. Separate experiments established tha...

journal_title：Pharmaceutical research

authors： Richards ML,Sadée W

更新日期：1985-07-01 00:00:00

abstract：PURPOSE:The aim of the study is to determine the effect of experimental parameters on microinfusion through hollow microneedles into skin to optimize drug delivery protocols and identify rate-limiting barriers to flow. METHODS:Glass microneedles were inserted to a depth of 720-1080 microm into human cadaver skin to mi...

journal_title：Pharmaceutical research

authors： Martanto W,Moore JS,Kashlan O,Kamath R,Wang PM,O'Neal JM,Prausnitz MR

更新日期：2006-01-01 00:00:00

abstract：:The pharmacokinetics of methylergometrine were investigated in the rat, with emphasis on the role of biliary excretion and enterohepatic recirculation in the overall disposition of the drug. A linked-rat model, where the bile from a rat receiving a constant rate of iv infusion of methylergometrine was allowed to flow ...

journal_title：Pharmaceutical research

authors： Bredberg U,Paalzow L

更新日期：1990-01-01 00:00:00

abstract：PURPOSE:Evista (raloxifene HCl) is a nonsteroidal selective estrogen receptor modulator that displays estrogen agonist effects on bone and lipid metabolism but estrogen antagonist effects on the breast and endometrium. The potential for drug-drug interaction between raloxifene and warfarin was assessed in 15 healthy po...

journal_title：Pharmaceutical research

authors： Miller JW,Skerjanec A,Knadler MP,Ghosh A,Allerheiligen SR

更新日期：2001-07-01 00:00:00

abstract：PURPOSE:Bioadhesion is an important property of biological membranes, that can be utilized in pharmaceutical and biomedical applications. In this study, we have fabricated mucoadhesive drug releasing films with bio-based, non-toxic and biodegradable polymers that do not require chemical modifications. METHODS:Nanofibr...

journal_title：Pharmaceutical research

authors： Laurén P,Paukkonen H,Lipiäinen T,Dong Y,Oksanen T,Räikkönen H,Ehlers H,Laaksonen P,Yliperttula M,Laaksonen T

更新日期：2018-05-22 00:00:00

abstract：:The delivery of therapeutic nucleic acids to neurons has the potential to treat neurological disease and spinal cord injury. While select viral vectors have shown promise as gene carriers to neurons, their potential as therapeutic agents is limited by their toxicity and immunogenicity, their broad tropism, and the cos...

journal_title：Pharmaceutical research

authors： Bergen JM,Park IK,Horner PJ,Pun SH

更新日期：2008-05-01 00:00:00

abstract：PURPOSE:Simvastatin (SIM), a HMG-CoA reductase inhibitor widely prescribed for hypercholesterolemia, has been reported to ameliorate inflammation and promote osteogenesis. Its clinical applications on these potential secondary indications, however, have been hampered by its lack of osteotropicity and poor water solubil...

journal_title：Pharmaceutical research

authors： Wang X,Jia Z,Almoshari Y,Lele SM,Reinhardt RA,Wang D

更新日期：2018-06-25 00:00:00

abstract：PURPOSE:To co-crystallise mannitol and lactose with a view to obtaining crystals with more favourable morphological features than either lactose or mannitol alone, suitable for use as carriers in formulations for dry powder inhalers (DPIs) using simultaneous engineering of lactose-mannitol mixtures. METHODS:Mannitol a...

journal_title：Pharmaceutical research

authors： Kaialy W,Larhrib H,Martin GP,Nokhodchi A

更新日期：2012-08-01 00:00:00

abstract：:This paper describes an investigation of the use of poly(lactic/glycolic acid) polymers for long-term delivery of high molecular weight, water-soluble proteins. Poly(lactic/glycolic acid) (PLGA) microspheres, containing (fluorescein isothiocyanate)-labeled bovine serum albumin and (fluorescein isothiocyanate)-labeled ...

journal_title：Pharmaceutical research

authors： Cohen S,Yoshioka T,Lucarelli M,Hwang LH,Langer R

更新日期：1991-06-01 00:00:00

abstract：:The pharmacokinetic parameters of leuprolide acetate, a potent analogue of LH-RH, were determined in rats and dogs after i.v. and s.c. dosing with leuprolide solution. The effective human dose of once-a-month injectable microspheres of leuprolide was estimated to be about 3.2 to 8.1 mg analogue/month using these param...

journal_title：Pharmaceutical research

authors： Okada H,Inoue Y,Heya T,Ueno H,Ogawa Y,Toguchi H

更新日期：1991-06-01 00:00:00

abstract：PURPOSE:Treatment of acute lung injury (ALI) observed in Gram-negative sepsis represents an unmet medical need due to a high mortality rate and lack of effective treatment. Accordingly, we developed and characterized a novel nanomedicine against ALI. We showed that when human glucagon-like peptide 1(7-36) (GLP-1) self-...

journal_title：Pharmaceutical research

authors： Lim SB,Rubinstein I,Sadikot RT,Artwohl JE,Önyüksel H

更新日期：2011-03-01 00:00:00

abstract：PURPOSE:A pattern fitting procedure using X-ray powder diffraction patterns was applied to study the crystallization kinetics of amorphous griseofulvin. From the optimized parameters obtained by pattern fitting, a change in the quantity and quality of griseofulvin crystals with crystallization was also investigated. M...

journal_title：Pharmaceutical research

authors： Yamamura S,Takahira R,Momose Y

更新日期：2007-05-01 00:00:00

abstract：PURPOSE:To develop novel bioactive-chylomicrons to solve oral delivery obstacles of Berberine chloride and target the lymphatic system. METHODS:Berberine-loaded bioactive-chylomicrons were prepared and underwent full in vitro characterization. Intestinal permeability was appraised via both non-everted gut sac model an...

journal_title：Pharmaceutical research

authors： Elsheikh MA,Elnaggar YSR,Otify DY,Abdallah OY

更新日期：2018-01-05 00:00:00

abstract：:The stability of a freeze-dried model protein, ribonuclease A (RNase), was investigated under accelerated storage conditions at 45 degrees C for time periods up to 60 days. Because RNase is a fairly stable molecule around pH 7, lyophilization was performed in phosphate buffers at pH 4.0 or 10.0 to accelerate degradati...

journal_title：Pharmaceutical research

authors： Townsend MW,Byron PR,DeLuca PP

更新日期：1990-10-01 00:00:00

abstract：OBJECTIVE:Amorphous pharmaceuticals, a viable approach to enhancing bioavailability, must be stable against crystallization. An amorphous drug can be stabilized by dispersing it in a polymer matrix. To implement this approach, it is desirable to know the drug's solubility in the chosen polymer, which defines the maxima...

journal_title：Pharmaceutical research

authors： Tao J,Sun Y,Zhang GG,Yu L

更新日期：2009-04-01 00:00:00

abstract：PURPOSE:To investigate how likely two extended release formulations are to be bioequivalent when they demonstrate f2 similarity. METHOD:Dissolution profiles were simulated using the Weibull model and varying model parameters around those of a reference profile. The f2 values were calculated for the comparisons of each...

journal_title：Pharmaceutical research

authors： Duan JZ,Riviere K,Marroum P

更新日期：2011-05-01 00:00:00