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- Publications
- Influence
Complexes of .NO with nucleophiles as agents for the controlled biological release of nitric oxide. Vasorelaxant effects.
- C. M. Maragos, D. Morley, +7 authors L. Keefer
- Chemistry, Medicine
- Journal of medicinal chemistry
- 1 November 1991
Selected nucleophile/nitric oxide adducts [compounds which contain the anionic moiety, XN(O-)N = O] were studied for their ability to release nitric oxide spontaneously in aqueous solution and for… Expand
Expandable gastroretentive dosage forms.
- E. Klausner, E. Lavy, M. Friedman, A. Hoffman
- Medicine
- Journal of controlled release : official journal…
- 24 June 2003
Expandable gastroretentive dosage forms (GRDFs) have been designed for the past 3 decades. They were originally created for possible veterinary use, but later the design was modified for enhanced… Expand
The role of the lymphatic system in subcutaneous absorption of macromolecules in the rat model.
- L. Kagan, P. Gershkovich, A. Mendelman, Sofia Amsili, N. Ezov, A. Hoffman
- Medicine
- European journal of pharmaceutics and…
- 1 November 2007
The purpose of this study was to assess the contribution of lymphatics to the systemic bioavailability of macromolecules following SC administration in a rat model. The rat model included continuous… Expand
The effect of different lipid based formulations on the oral absorption of lipophilic drugs: the ability of in vitro lipolysis and consecutive ex vivo intestinal permeability data to predict in vivo…
- A. Dahan, A. Hoffman
- Chemistry, Medicine
- European journal of pharmaceutics and…
- 1 August 2007
The purpose of this study was to investigate the impact of different lipid based formulations of lipophilic drugs on in vitro solubilization and intestinal ex vivo permeability processes. Thereafter,… Expand
Uptake of lipophilic drugs by plasma derived isolated chylomicrons: linear correlation with intestinal lymphatic bioavailability.
- P. Gershkovich, A. Hoffman
- Chemistry, Medicine
- European journal of pharmaceutical sciences…
- 1 December 2005
Association of a drug with chylomicrons in the enterocyte is an essential step in the lymphatic absorption pathway. In this article, the uptake of lipophilic compounds by chylomicrons ex vivo was… Expand
Evaluation of a chylomicron flow blocking approach to investigate the intestinal lymphatic transport of lipophilic drugs.
- A. Dahan, A. Hoffman
- Chemistry, Medicine
- European journal of pharmaceutical sciences…
- 1 March 2005
The purpose of this study was to examine the feasibility of investigating the lymphatic transport of drugs in vivo utilizing known chylomicron flow blocking substances. Vitamin D(3) (0.5 mg/kg), a… Expand
Novel levodopa gastroretentive dosage form: in-vivo evaluation in dogs.
- E. Klausner, S. Eyal, E. Lavy, M. Friedman, A. Hoffman
- Chemistry, Medicine
- Journal of controlled release : official journal…
- 14 February 2003
Due to its narrow absorption window, levodopa has to be administered continuously to the upper parts of the intestine in order to maintain sustained therapeutic levels. This may be achieved by a… Expand
Rationalizing the selection of oral lipid based drug delivery systems by an in vitro dynamic lipolysis model for improved oral bioavailability of poorly water soluble drugs.
- A. Dahan, A. Hoffman
- Chemistry, Medicine
- Journal of controlled release : official journal…
- 2 July 2008
As a consequence of modern drug discovery techniques, there has been a consistent increase in the number of new pharmacologically active lipophilic compounds that are poorly water soluble. A great… Expand
Use of a Dynamic in Vitro Lipolysis Model to Rationalize Oral Formulation Development for Poor Water Soluble Drugs: Correlation with in Vivo Data and the Relationship to Intra-Enterocyte Processes in…
- A. Dahan, A. Hoffman
- Chemistry, Medicine
- Pharmaceutical Research
- 11 August 2006
PurposeTo examine the correlation between the in vitro solubilization process of lipophilic compounds from different lipid solutions and the corresponding in vivo oral bioavailability data. In… Expand
Pharmacokinetic-pharmacodynamic analysis of the glucose-lowering effect of metformin in diabetic rats reveals first-pass pharmacodynamic effect.
- D. Stepensky, M. Friedman, I. Raz, A. Hoffman
- Medicine
- Drug metabolism and disposition: the biological…
- 1 August 2002
Metformin, a commonly used antidiabetic drug, exerts its glucose-lowering effect due to metabolic activities at several sites of action (biophases), including liver, intestine, muscle cells, and… Expand