D. Friend

J. Hill, D. Friend, S. Phillips, 1991, Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association.

Advances in development, scale-up and manufacturing of microbicide gels, films, and tablets.

M. Krumme, L. Rohan, S. Garg, 2010, Antiviral research.

Colonic delivery of dexamethasone: a pharmacoscintigraphic evaluation

I. Wilding, G. Hooper, D. Friend, 1997, Alimentary pharmacology & therapeutics.

Development of a microbicide-releasing diaphragm as an HIV prevention strategy

D. Lowry, P. Labarre, D. Friend, 2010, 2010 Annual International Conference of the IEEE Engineering in Medicine and Biology.

A 90-Day Tenofovir Reservoir Intravaginal Ring for Mucosal HIV Prophylaxis

G. Doncel, Meredith R Clark, Justin T. Clark, 2012, Antimicrobial Agents and Chemotherapy.

Budesonide-beta-D-glucuronide: a potential prodrug for treatment of ulcerative colitis.

R. Fedorak, D. Friend, H. Nolen, 1995, Journal of pharmaceutical sciences.

Steady‐state pharmacokinetics of corticosteroid delivery from glucuronide prodrugs in normal and colitic rats

R. Fedorak, D. Friend, H. Nolen, 1997, Biopharmaceutics & drug disposition.

In vitro study drug for the assessment of poly(L-aspartic acid) as a drug carrier for colon-specific drug delivery

C. Leopold, D. Friend, 1995 .

Colonic delivery of dexamethasone from a prodrug accelerates healing of colitis in rats without adrenal suppression.

R. Fedorak, L. Jewell, N. Cui, 1995, Gastroenterology.

A budesonide prodrug accelerates treatment of colitis in rats.

R. Fedorak, N. Cui, D. Friend, 1994, Gut.

Synthesis and chemical stability of glucocorticoid-dextran esters: potential prodrugs for colon-specific delivery

T. Tozer, D. Friend, A. McLeod, 1993 .

Drug glycosides: potential prodrugs for colon-specific drug delivery.

D. Friend, G. Chang, 1985, Journal of medicinal chemistry.

Gastrointestinal parameters that influence oral medications.

W. Ritschel, J. Dressman, E. Ziv, 1993, Journal of pharmaceutical sciences.

A colon-specific drug-delivery system based on drug glycosides and the glycosidases of colonic bacteria.

D. Friend, G. Chang, 1984, Journal of medicinal chemistry.

Oral Colon-Specific Drug Delivery

D. Friend, 1992 .

DRUG GLYCOSIDES: POTENTIAL PRODRUGS FOR COLON-SPECIFIC DRUG DELIVERY

G. Chang, D. Friend, 1985 .

A COLON-SPECIFIC DRUG-DELIVERY SYSTEM BASED ON DRUG GLYCOSIDES AND THE GLYCOSIDASES OF COLONIC BACTERIA

G. Chang, D. Friend, 1984 .

In vitro skin permeation techniques

David R. Friend, D. Friend, 1992 .

Preformulation and development of a once-daily sustained-release tenofovir vaginal tablet tablet containing a single excipient.

Meredith R Clark, D. Friend, K. Malcolm, 2013, Journal of pharmaceutical sciences.

Transdermal delivery of levonorgestrel I: Alkanols as permeation enhancers in vitro

R. Baker, D. Friend, J. Heller, 1988 .

Menthol-beta-D-glucuronide: a potential prodrug for treatment of the irritable bowel syndrome.

D. Friend, H. Nolen, 1994, Pharmaceutical research.

Guar Gum-Based Sustained Release Diltiazem

Syed A. Altaf, David R. Friend, D. Friend, 1998, Pharmaceutical Research.

Drug delivery for the treatment of endometriosis and uterine fibroids

D. Friend, 2017, Drug Delivery and Translational Research.

A glucocorticoid prodrug facilitates normal mucosal function in rat colitis without adrenal suppression.

R. Fedorak, T. Tozer, N. Cui, 1994, Gastroenterology.

Site‐specific drug delivery

D. Friend, S. Pangburn, 1987, Medicinal research reviews.

Transdermal delivery of levonorgestrel. VII. In vivo studies.

D. Friend, P. Catz, S. Phillips, 1989, Contraception.

Simultaneous Delivery of Tenofovir and Acyclovir via an Intravaginal Ring

Thomas J. Smith, A. Malone, M. Motamedi, 2011, Antimicrobial Agents and Chemotherapy.

Development of a UC781 releasing polyethylene vinyl acetate vaginal ring

R. Malcolm, D. Friend, Christopher Mcconville, 2012, Drug Delivery and Translational Research.

Design of tenofovir-UC781 combination microbicide vaginal gels.

D. Katz, J. Peters, Eric Smith, 2012, Journal of pharmaceutical sciences.

A hot-melt extruded intravaginal ring for the sustained delivery of the antiretroviral microbicide UC781.

Todd J Johnson, Meredith R Clark, Justin T. Clark, 2012, Journal of pharmaceutical sciences.

Pharmacokinetics of UC781-loaded intravaginal ring segments in rabbits: a comparison of polymer matrices

A. Loxley, R. Malcolm, D. Friend, 2011, Drug Delivery and Translational Research.

Preclinical evaluation of UC781 microbicide vaginal drug delivery

G. Doncel, D. Friend, Timothy J. McCormick, 2011, Drug Delivery and Translational Research.

Approaches to improve the stability of the antiviral agent UC781 in aqueous solutions.

Judit Fabian, D. Friend, P. Kiser, 2010, International journal of pharmaceutics.

Lack of in vitro–in vivo correlation for a UC781-releasing vaginal ring in macaques

Clare F. McCoy, G. Doncel, R. Malcolm, 2015, Drug Delivery and Translational Research.

Characterization of UC781-Tenofovir Combination Gel Products for HIV-1 Infection Prevention in an Ex Vivo Ectocervical Model

C. Dezzutti, L. Rohan, M. Cost, 2012, Antimicrobial Agents and Chemotherapy.

Transdermal delivery of levonorgestrel

D. Friend, 1991, Medicinal research reviews.

Development of a UC781 releasing polyethylene vinyl acetate vaginal ring

R. Malcolm, D. Friend, Christopher Mcconville, 2012, Drug Delivery and Translational Research.

Ethylene vinyl acetate intravaginal rings for the simultaneous delivery of the antiretroviral UC781 and contraceptive levonorgestrel

A. Loxley, D. Friend, L. Goldman, 2011, Drug Delivery and Translational Research.

Intravaginal rings: controlled release systems for contraception and prevention of transmission of sexually transmitted infections

D. Friend, 2011, Drug Delivery and Translational Research.

Drug release profiles of swellable hydrocolloid formulations : Swellable hydrocolloid formulations : USP apparatus 2 versus apparatus 3, in vitro correlation

D. Friend, S. Larrabee, Karen Yu, 1998 .

Polyacrylate resin microcapsules for taste masking of antibiotics.

D. Friend, 1992, Journal of microencapsulation.

Investigating the feasibility of temperature-controlled accelerated drug release testing for an intravaginal ring.

S. Klein, D. Friend, Anna Externbrink, 2013, European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V.

Novel approaches to vaginal delivery and safety of microbicides: biopharmaceuticals, nanoparticles, and vaccines.

Robin Shattock, Justin Hanes, K. Whaley, 2010, Antiviral research.

Pharmacokinetics and Tolerability of a Novel 17β-Estradiol and Progesterone Intravaginal Ring in Sheep.

Bridget A. Martell, J. Vidal, G. Constantine, 2019, Journal of pharmaceutical sciences.

Pharmacokinetics and tolerability of a novel progesterone intravaginal ring in sheep

Bridget A. Martell, J. Vidal, G. Constantine, 2019, Drug Delivery and Translational Research.

Development and characterisation of a self-microemulsifying drug delivery systems (SMEDDSs) for the vaginal administration of the antiretroviral UC-781.

D. Friend, Christopher Mcconville, 2013, European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V.

Multipurpose prevention technologies: products in development.

Justin T. Clark, D. Friend, P. Kiser, 2013, Antiviral research.

Assessment of topical microbicides to prevent HIV-1 transmission: concepts, testing, lessons learned.

D. Friend, P. Kiser, 2013, Antiviral research.

In Vitro Evaluation of Dexamethasone-β-D-Glucuronide for Colon-Specific Drug Delivery

Barbara Haeberlin, David R. Friend, W. Rubas, 1993, Pharmaceutical Research.

Evaluation of 28-day estradiol and progesterone vaginal rings in a phase 1 clinical pharmacokinetic study

B. Stuckey, D. Friend, Nadene Zack, 2023, Menopause.

A Pilot Study Measuring the Distribution and Permeability of a Vaginal HIV Microbicide Gel Vehicle Using Magnetic Resonance Imaging, Single Photon Emission Computed Tomography/Computed Tomography, and a Radiolabeled Small Molecule.

E. Fuchs, C. Hendrix, J. Schwartz, 2015, AIDS research and human retroviruses.

Post hoc analysis of a randomized placebo-controlled pilot study on the effect of Amphora®, an acid-buffering vaginal gel, on vaginal pH by baseline vaginal pH level

J. Griffiss, S. Nayak, D. Friend, 2018, Fertility and Sterility.

Pharmacokinetics and topical vaginal effects of two tenofovir gels in rabbits.

D. Friend, M. Clark, 2012, AIDS research and human retroviruses.

Reformulated tenofovir gel for use as a dual compartment microbicide.

C. Dezzutti, Lin Wang, L. Rohan, 2012, The Journal of antimicrobial chemotherapy.

Pharmacokinetic and Safety Analyses of Tenofovir and Tenofovir-Emtricitabine Vaginal Tablets in Pigtailed Macaques

G. Doncel, D. Garber, J. Mcnicholl, 2014, Antimicrobial Agents and Chemotherapy.

Advances in vaginal drug delivery

D. Friend, 2011, Drug Delivery and Translational Research.

An interdisciplinary framework for measuring and supporting adherence in HIV prevention trials of ARV-based vaginal rings

B. Friedland, E. Tolley, K. MacQueen, 2014, Journal of the International AIDS Society.

Effect of antibiotic pretreatment on glycoside/glycosidase-based colonic drug delivery.

D. Friend, G. Chang, J. J. Chow, 1990, Drug design and delivery.

Transdermal delivery of contraceptives.

D. Friend, 1990, Critical reviews in therapeutic drug carrier systems.

Menthol-β-D-Glucuronide: A Potential Prodrug for Treatment of the Irritable Bowel Syndrome

D. Friend, Harold W. Nolen III, 1994, Pharmaceutical Research.

Solvent drag in ethanol/ethyl acetate enhanced skin permeation of d-norgestrel

D. Friend, S. Smedley, 1993 .

Effect of cosolvents on ethyl acetate enhanced percutaneous absorption of levonorgestrel

D. Friend, P. Catz, 1990 .

Safety and acceptability of intravaginal rings releasing estradiol and progesterone

D. Friend, M. L. Hull, A. Thurman, 2023, Climacteric : the journal of the International Menopause Society.

Purified guar galactomannan as an improved pharmaceutical excipient.

D. Friend, M. Gebert, 1998, Pharmaceutical development and technology.

Perceptibility and the "Choice Experience": User Sensory Perceptions and Experiences Inform Vaginal Prevention Product Design.

D. Katz, J. Fava, K. Guthrie, 2016, AIDS research and human retroviruses.

Evaluation of Rapidly Disintegrating Vaginal Tablets of Tenofovir, Emtricitabine and Their Combination for HIV-1 Prevention

M. Peet, G. Doncel, D. Friend, 2014, Pharmaceutics.

Drug delivery to the small intestine

David R. Friend, D. Friend, 2004, Current gastroenterology reports.

Increased permeability occurs in rat ileum following induction of pancolitis

K. Madsen, R. Fedorak, N. Cui, 1996, Digestive Diseases and Sciences.

Development of polylactide and polyethylene vinyl acetate blends for the manufacture of vaginal rings.

A. Woolfson, R. Malcolm, D. Friend, 2012, Journal of biomedical materials research. Part B, Applied biomaterials.

Author response: Mucosal effects of tenofovir 1% gel

James Y. Dai, R. Gottardo, M. McElrath, 2015 .

Transdermal delivery of levonorgestrel. IV: Evaluation of membranes.

D. Friend, P. Catz, J. Heller, 1989, Journal of Pharmacy and Science.

Transdermal Delivery of Levonorgestrel. V. Preparation of Devices and Evaluation in Vitro

D. Friend, J. Heller, P. Catz, 1989, Pharmaceutical Research.

Simple alkyl esters as skin permeation enhancers

D. Friend, J. Heller, P. Catz, 1989 .

Transdermal delivery of levonorgestel II: Effect of prodrug structure on skin permeability in vitro

R. Baker, D. Friend, J. Heller, 1988 .

Alkyl esters as skin permeation enhancers for indomethacin

D. Friend, P. Catz, 1989 .

Optimization of Sustained‐release Diltiazem Formulations in Man by use of an In‐vitro/In‐vivo Correlation

K. Yu, D. Friend, M. Gebert, 1998, The Journal of pharmacy and pharmacology.

MASRx and COSRx Sustained-Release Technology

Syed A. Altaf, David R. Friend, D. Friend, 2002 .

Glucocorticoid-dextran conjugates as potential prodrugs for colon-specific delivery: hydrolysis in rat gastrointestinal tract contents.

T. Tozer, D. Friend, A. McLeod, 1994, Journal of pharmaceutical sciences.

Pharmaceutical development of microbicide drug products

D. Friend, 2010, Pharmaceutical development and technology.

Assessment of topical microbicides to prevent HIV-1 transmission: concepts, testing, lessons learned.

D. Friend, P. Kiser, 2013, Antiviral research.

Drug delivery in female reproductive health

D. Friend, 2017, Drug Delivery and Translational Research.