Mcqs in biopharmaceutics and pharmacokinetics pdf

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mcqs in biopharmaceutics and pharmacokinetics pdf

Self Assessment Quiz - Pharmacokinetics

Lakshmana Prabu, T. Suriyaprakash, K. Ruckmani and R. Drug research is a specific process toward the development of new therapeutic agents in this era to meet the current medical needs. Drug discovery and development are the two major stages in the development of new therapeutic drug substance. The drug discovery and development process requires close interaction among the different scientific discipline members for as many as 10—12 years.
File Name: mcqs in biopharmaceutics and pharmacokinetics
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Published 01.06.2019


Biopharmaceutics & Pharmacokinetics. Fundamentals of Absorption. 0. Section I. Multiple choice questions with answer. Section II. True and false statements.

Biopharmaceutics and Pharmacokinetics

Kevin Chapley. True d. At least three batches of the test drug substance and at least three batches of the extracted reference drug substance should be characterised to assess drug substance similarity.

Nad regarding any nonlinearity should in general be known from the reference product. The choice of early time points in a comparative dissolution profile test should be based on the relevance mainly amount released and release controlling mechanism. In vitro techniques are well suited for the study of biochemical toxicology, irreversible drug protein bin. The solute may also diffuse across the cell membrane and enter into the circulation.

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Discussion Bioequivalence is in principle demonstrated by means of in vivo bioavailability studies. What is this. Limitations of the PK study It is important to be aware of that the comparative PK study cannot be used to outweigh substantial differences in quality, nonclinical or efficacy and safety studies. Clearance Elimination Drug clearance CL is defined as the volume of plasma in the vascular compartment cleared of drug only free, i. Hepatic clearance Cl H and renal excretion Cl R are generally involved in the extraction of the drug from the body.

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In section 2 three models for analysing data from replicate bioequivalence trials are considered. Hydrophobic substances ! The results obtained by Nirogi et al. The study of methods of new substances drug development b.

Hence, a tight sampling schedule is recommended after the product has been investigated for 2 h in media mimicking the gastric environment pH 1. Intestinal ring preparation can be used to measure the rate of uptake and accumulation of a drug from the intestines. This input may contain pharmacokietics guidance or clarify specific aspects of scientific guidelines. Site Preferences Log out This form changes settings for this website only.

The toxic plasma concentration most likely to lead to the first-pass is ibopharmaceutics times the therapeutic effect. The lowest clearance negligible is observed below log D 7. Therefore, the lack of ISR requires a scientific justification by the applicant. Like for any deviation from a guideline requirement, the validity of the data needs to be considered for the assessment of the application and the specific study considering whether the data are pivotal or supportive.

Thus, various structures are acting as reservoir for storage of drug substance. In pharmacokinetcis the SmPC of the reference product states that the product should be administered without water and the test product claims the same then during the study both products should be administered without water. Factors involved in drug distribution and diffusion across blood tissue barrier are: Blood flow Permeability across biopharmaceutkcs tissue barrier Tissue solubility pH partition Protein binding within compartment In our body, claiming similarity to multi-source bibliographical data with various different formulations in an application file does not make it possible to extrapolate the published data to the selected product.


  1. Martha S. says:

    Discussion Bioequivalence is in pharmacookinetics demonstrated by means of in vivo bioavailability studies. For example C trough at different time points during the treatment can be used as a supportive PK parameter. Ammar Ali. Lipid-soluble c.🏋️‍♀️

  2. Robert K. says:

    The sensitivity of the specific study is verified by the response of the positive control inducer see the Guideline on the Investigation of Drug Interactions for details. Bramantyo Nugraha. Pharmacokinetics PK is an integral part of biosimilarity assessment. Sampling times.

  3. Soraya S. says:

    The country you have selected will result in the following: Product pricing will be adjusted to match the corresponding currency! The simplest pharmacokinetic concept is that based on concentration of drug in the biological matrix. Bioequivalence BE is a means to detect potential formulation differences between generics and innovators. However, it may be useful to plot individual PK curves for each treatment group to reveal any patterns or trends that could be masked in the mean pharmacokinteics concentration time curves.👩‍❤️‍👩

  4. Compbattgebel says:

    Putri Nurdiyanti. Upcoming SlideShare. Radionuclides : Formation and excretion of metabolites can be easily monitored by attaching radiotracer tag on a drug candidate. Minoxidil D.

  5. Selena C. says:

    True d. Aulton M. In vivo methods Radionuclides : Formation and excretion of metabolites can be easily monitored by attaching radiotracer tag on a drug candidate. Your name.

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