Index Catalog // ScholarsArchive@OSU

Pharmacokinetics of theophylline and it's N-7 derivatives in rabbits

Creator:: Tavipatana, Wattanaporn
Abstract:: Pharmacokinetics of theophylline and N-7 substituted theophylline in rabbits when administered alone and in various combinations were investigated. This thesis has four chapters dealing with etophylline and theophylline; proxyphylline and theophylline; dyphylline and theophylline; and etophylline, proxyphylline and dyphylline pharmacokinetics when administered concomitantly. All chapters are interrelated. Each chapter has...
Resource Type:: Masters Thesis

Product formulations and in vitro-in vivo evaluation of 1) topical insect repellent formualtions against mosquitoes; 2) oral sustained release formulations of cefaclor and pentoxifylline in adults

Creator:: Chou, Joyce Tian-wei
Resource Type:: Dissertation
Full Text:: materialized. The enthusiasm and optimism of my advisor, Dr. James Ayres, who makes this research an

Development and in vivo testing of novel hydrochlorothiazide gastric retention formulations in healthy volunteers and stage I hypertensive patients

Creator:: Farid, Samar Farghali
Abstract:: This thesis describes in vitro and in vivo evaluation of a gastric retention formulation (GRF) developed at Oregon State University. The formulation was prepared from xanthan gum and locust bean gum as gelling agents and other formulation ingredients were added, then it was originally vacuum oven dried. The effect of...
Resource Type:: Dissertation
Full Text:: Hypertensive Patients. Abstract Approved: James W This thesis describes in vitro and in vivo evaluation of a

Evaluation of gastrointestinal transit time and novel oral acetaminophen product formulation

Creator:: Hossain, Mohammad
Abstract:: Gastrointestinal (GI) transit data were collected using pigs as animal models. Density and size effects of non-disintegrating dosage forms on GI transit were investigated. Total GI transit times range from 2 to 33 days for 22 administrations of these nondisintegrating dosage forms. Pigs are found to not be an appropriate...
Resource Type:: Dissertation
Full Text:: Novel Oral Acetaminophen Product Formulation. Abstract approved: ,Redacted for Privacy James W. Ayres

Bioadhesive polymers in drug product formulations

Creator:: Tavipatana, Wattanaporn
Abstract:: Gastric retention time of single unit dosage forms in swine was found to be much longer than in humans. It was concluded that swine are not a good animal model to study GI transit time of nonerodable or slowly eroded dosage forms. Noneradable and slowly eroded dosage forms used to...
Resource Type:: Dissertation
Full Text:: approved: _Redacted for Privacy ((/ James W. Ayres, Ph /. / Gastric retention time of single unit dosage

Pharmacokinetics and pharmacodynamics of: 1) Oral sustained release acetaminophen suspension in children; 2) Potassium chloride in adults

Creator:: Kalns, John Eric
Resource Type:: Dissertation
Full Text:: ., St. Louis, MO.) dissolved in 700 ml 95% ethanol USP. Polyvinylpyrrolidinone (2% w/w), MW 40,000 and

Development and evaluation of a sustained release amoxicillin dosage form

Creator:: Ge, Yan, 1962-
Resource Type:: Masters Thesis
Full Text:: . James W. Ayres. Who was the instructor of my first class I took in the US. That class gave me the

Pharmacokinetic modeling and simulations of gastrointestinal transit effects on drug pharmacokinetics from enteric-coated pellet formulations and their applications

Creator:: Watanalumlerd, Prapoch
Abstract:: Effects of gastrointestinal transit on plasma concentrations of drugs from enteric-coated pellet formulations were demonstrated using pharmacokinetic models describing plasma concentrations of drugs from various enteric-coated pellet formulations. Gastric emptying time, lag time of emptying, and drug release rate from pellets in the small intestine, along with other pharmacokinetic parameters...
Resource Type:: Dissertation
Full Text:: Formulations 3) Development of Leaky Enteric-Coated Pellets Formulations Abstract James W. Effects of

In vitro and in vivo testing of a gastric retention device : development and evaluation of a new colonic delivery system

Creator:: Ahmed, Iman Saad
Abstract:: This thesis describes evaluation of a gastric retention device (GRD) developed at Oregon State University. The device was originally fabricated from Xanthan gum and Locust bean gum. A modified gastric retention device containing other additives was developed and investigated in this work. The modified device was evaluated in vitro for...
Resource Type:: Dissertation
Full Text:: Professor Dr. James Ayres for giving me the chance to be one of his students. I was inspired by his

The absolute bioavailability of dyphylline tablets in human subjects

Creator:: Huston, Thomas K.
Abstract:: Dyphylline has been shown to be rapidly and completely absorbed from oral tablets in an absolute bioavailability study. In a pilot study two healthy male subjects received 1000 mg of dyphylline via intravenous infuson at a rate of 50 mg/min (1.0 ml/min) for 20 minutes. Plasma samples were collected for...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Redacted for Privacy 0 James W. Ayres,(PV.D. Dyphylline has been shown to be rapidly

ScholarsArchive@OSU

Pharmacokinetics of theophylline and it's N-7 derivatives in rabbits

Product formulations and in vitro-in vivo evaluation of 1) topical insect repellent formualtions against mosquitoes; 2) oral sustained release formulations of cefaclor and pentoxifylline in adults

Development and in vivo testing of novel hydrochlorothiazide gastric retention formulations in healthy volunteers and stage I hypertensive patients

Evaluation of gastrointestinal transit time and novel oral acetaminophen product formulation

Bioadhesive polymers in drug product formulations

Pharmacokinetics and pharmacodynamics of: 1) Oral sustained release acetaminophen suspension in children; 2) Potassium chloride in adults

Development and evaluation of a sustained release amoxicillin dosage form

Pharmacokinetic modeling and simulations of gastrointestinal transit effects on drug pharmacokinetics from enteric-coated pellet formulations and their applications

In vitro and in vivo testing of a gastric retention device : development and evaluation of a new colonic delivery system

The absolute bioavailability of dyphylline tablets in human subjects

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