Pharmaceutical Industry: Drug Dissolution Testing
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Questions and Answers

What is the main objective of developing and evaluating an IVIVC?

  • To assess batch-to-batch consistency of solid oral dosage forms
  • To predict in vivo drug release profiles
  • To optimize product formulation based on achieving specific dissolution targets
  • To establish the dissolution test as a surrogate for human studies (correct)

When does dissolution testing play a vital role in the pharmaceutical industry?

  • During routine manufacturing for product release decisions (correct)
  • During generic product development for regulatory approval decisions
  • During post-approval process or formulation changes for equivalence decisions
  • During optimization of product formulation and manufacturing process

What are the typical situations where dissolution testing plays a vital role?

  • Reference product comparison, product development, batch-to-batch consistency assessment
  • Drug development, post-approval process changes, human studies
  • Clinical trials, manufacturing process optimization, regulatory approval decisions
  • Formulation and optimization decisions, equivalence decisions, product compliance and release decisions (correct)

What does dissolution testing provide critical in vitro drug release information for?

<p>Quality control purposes and drug development (B)</p> Signup and view all the answers

What is the purpose of dissolution testing in drug development and manufacturing?

<p>To establish safety and efficacy of a drug product without in vivo tests (D)</p> Signup and view all the answers

Which apparatus is standardized and specified in the United States Pharmacopeia (USP) General Chapter Dissolution?

<p>USP Dissolution Apparatus 1 – Basket (C)</p> Signup and view all the answers

What is the temperature maintained for the dissolution medium within the vessels?

<p>37 °C ± 0.5 °C (A)</p> Signup and view all the answers

What is the main target of hydrodynamic studies in dissolution apparatuses?

<p>USP Dissolution Apparatus 2 (A)</p> Signup and view all the answers

Why is degassing the dissolution medium important?

<p>The presence of dissolved gases may affect results (D)</p> Signup and view all the answers

How are sample solutions collected from dissolution testing commonly analyzed?

<p>HPLC or Ultraviolet–visible spectroscopy (D)</p> Signup and view all the answers

What is initiated if there is a deviation from the acceptable Q values at S3 testing?

<p>An OOS (Out of Specification) investigation (D)</p> Signup and view all the answers

What do researchers suspect about USP Dissolution Apparatus 2 based on hydrodynamic studies?

<p>It provides inconsistent and sometimes faulty data (D)</p> Signup and view all the answers

Which type of solutions can be used as a dissolution medium?

<p>Degassed or sonicated deionized water to pH adjusted chemically-prepared solutions and mediums that are prepared with surfactants (D)</p> Signup and view all the answers

How are vessels of the dissolution method usually heated?

<p>Partially immersed in a water bath solution or heated by a jacket (D)</p> Signup and view all the answers

What is the main purpose of drug dissolution testing according to Qureshi and Shabnam (2001)?

<p>To establish safety and efficacy of a drug product without in vivo tests, following minor formulation and manufacturing changes (B)</p> Signup and view all the answers

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