Biopharmaceutics and Pharmacokinetics book, notes pdf - b pharmacy 3rd year (6th semester) - JNTUH
Biopharmaceutics and Pharmacokinetics
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B Pharmacy 3rd year (2nd sem) | 6th Semester | JNTUH
Unit - 1
Introduction to Biopharmaceutics
Absorption:
Mechanisms of drug absorption through GIT, factors influencing drug absorption though
GIT, absorption of drug from Non per oral extra-vascular routes, Distribution: Distribution of drugs
Tissue permeability of drugs, binding of drugs, apparent, volume of drug distribution, protein binding of
drugs, factors affecting protein-drug binding. Kinetics of protein binding, Clinical significance of protein
binding of drugs
Unit - 2
Metabolism & Excretion:
Drug metabolism and basic understanding of metabolic pathways. Renal
excretion of drugs, factors affecting renal excretion of drugs, renal clearance, Non renal routes of drug
excretion of drugs
Bioavailability and Bioequivalence:
Objectives of bioavailability studies, absolute and relative
bioavailability, measurement of bioavailability, in-vitro drug dissolution models, in-vitro, in-vivo
correlations, bioequivalence studies, methods to enhance the bioavailability.
Unit - 3
Pharmacokinetics:
Introduction to Pharmacokinetics models, Compartment models, non-compartment models,
physiological models, One compartment open model. a. Intravenous Injection (Bolus) b. Intravenous
infusion, extra vascular administrations, calculations of Ka, KE. From plasma and urinary excretion data
Unit - 4
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Multicompartment models:
Two compartment open model. IV bolus
Multiple – Dosage Regimens:
a). Repititive Intravenous injections – One Compartment Open Model
b). Repititive Extravascular dosing – One Compartment Open model
Unit - 5
Nonlinear Pharmacokinetics:
a. Introduction,
b. Factors causing non-linearity.
c. Michaelis-menton
method of estimating parameters, Biotransformation of drugs
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