Fosamprenavir/ritonavir plus tenofovir does not affect amprenavir pharmacokinetics: no effect of tenofovir. 2007

Michael Kurowski, and Ravi K Walli, and Antje Breske, and Guido Kruse, and Hartmut Stocker, and Norbert Banik, and Heinz Richter, and Dago Mazur
Therapia GmbH, Berlin, Germany.

The effect of tenofovir disoproxil fumarate (TDF) in combination with two boosted fosamprenavir regimens on amprenavir pharmacokinetic parameters was assessed in this prospective phase I crossover study with 30 healthy volunteers. The co-administration of TDF 300 mg once a day with fosamprenavir/ritonavir 1400/200 mg or 1400/100 mg once a day has no effect on the pharmacokinetics of amprenavir and results in non-significant increases of ritonavir pharmacokinetic parameters, suggesting that no dose modification is necessary when combining fosamprenavir/ritonavir with TDF.

UI MeSH Term Description Entries
D008297 Male Males
D010755 Organophosphates Carbon-containing phosphoric acid derivatives. Included under this heading are compounds that have CARBON atoms bound to one or more OXYGEN atoms of the P( Organophosphate,Phosphates, Organic,Phosphoric Acid Esters,Organopyrophosphates,Acid Esters, Phosphoric,Esters, Phosphoric Acid,Organic Phosphates
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D002219 Carbamates Derivatives of carbamic acid, H2NC( Carbamate,Aminoformic Acids,Carbamic Acids,Acids, Aminoformic,Acids, Carbamic
D004334 Drug Administration Schedule Time schedule for administration of a drug in order to achieve optimum effectiveness and convenience. Administration Schedule, Drug,Administration Schedules, Drug,Drug Administration Schedules,Schedule, Drug Administration,Schedules, Drug Administration
D004359 Drug Therapy, Combination Therapy with two or more separate preparations given for a combined effect. Combination Chemotherapy,Polychemotherapy,Chemotherapy, Combination,Combination Drug Therapy,Drug Polytherapy,Therapy, Combination Drug,Chemotherapies, Combination,Combination Chemotherapies,Combination Drug Therapies,Drug Polytherapies,Drug Therapies, Combination,Polychemotherapies,Polytherapies, Drug,Polytherapy, Drug,Therapies, Combination Drug
D005663 Furans Compounds with a 5-membered ring of four carbons and an oxygen. They are aromatic heterocycles. The reduced form is tetrahydrofuran. Tetrahydrofurans
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000068698 Tenofovir An adenine analog REVERSE TRANSCRIPTASE INHIBITOR with antiviral activity against HIV-1 and HEPATITIS B. It is used to treat HIV INFECTIONS and CHRONIC HEPATITIS B, in combination with other ANTIVIRAL AGENTS, due to the emergence of ANTIVIRAL DRUG RESISTANCE when it is used alone. (R)-9-(2-phosphonylmethoxypropyl)adenine,9-(2-Phosphonomethoxypropyl)adenine,9-(2-Phosphonylmethoxypropyl)adenine,9-(2-Phosphonylmethoxypropyl)adenine, (+-)-isomer,9-(2-Phosphonylmethoxypropyl)adenine, (R)-isomer - T357098,9-(2-Phosphonylmethoxypropyl)adenine, (S)-isomer,9-PMPA (tenofovir),Tenofovir Disoproxil,Tenofovir Disoproxil Fumarate,Viread,Disoproxil Fumarate, Tenofovir,Disoproxil, Tenofovir,Fumarate, Tenofovir Disoproxil
D000225 Adenine A purine base and a fundamental unit of ADENINE NUCLEOTIDES. Vitamin B 4,4, Vitamin B,B 4, Vitamin

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