Inhibition of platelet aggregation in man by indobufen (K 3920). 1981

A Vittoria, and F Laghi Pasini, and G L Messa, and T Di Perri, and G Corvi, and L M Fuccella

A complete crossover trial was undertaken in six healthy volunteers to gain information on dose-effect responses to indobufen by assessing the intensity and duration of the effect of 3 single oral doses of the drug on platelet aggregation induced by threshold concentration of ADP and by 3 added doses of collagen. The results of the study confirm that the activity is dose-related and is reversible since 24 hours after administration it has practically disappeared. The effect of the same dose of indobufen differed significantly according to the amount of collagen added to plasma, whereas increasing doses of indobufen provoked a significantly more marked effect when the amount of inducer employed was the same.

UI MeSH Term Description Entries
D007211 Indoles Benzopyrroles with the nitrogen at the number one carbon adjacent to the benzyl portion, in contrast to ISOINDOLES which have the nitrogen away from the six-membered ring.
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010654 Phenylbutyrates Derivatives of 4-phenylbutyric acid, including its salts and esters.
D010974 Platelet Aggregation The attachment of PLATELETS to one another. This clumping together can be induced by a number of agents (e.g., THROMBIN; COLLAGEN) and is part of the mechanism leading to the formation of a THROMBUS. Aggregation, Platelet
D003094 Collagen A polypeptide substance comprising about one third of the total protein in mammalian organisms. It is the main constituent of SKIN; CONNECTIVE TISSUE; and the organic substance of bones (BONE AND BONES) and teeth (TOOTH). Avicon,Avitene,Collagen Felt,Collagen Fleece,Collagenfleece,Collastat,Dermodress,Microfibril Collagen Hemostat,Pangen,Zyderm,alpha-Collagen,Collagen Hemostat, Microfibril,alpha Collagen
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000244 Adenosine Diphosphate Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position. ADP,Adenosine Pyrophosphate,Magnesium ADP,MgADP,Adenosine 5'-Pyrophosphate,5'-Pyrophosphate, Adenosine,ADP, Magnesium,Adenosine 5' Pyrophosphate,Diphosphate, Adenosine,Pyrophosphate, Adenosine

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