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Gastrointestinal, Liver & Skin in Disease

  • Module code: PY6040
  • Year: 2018/9
  • Level: 6
  • Credits: 30
  • Pre-requisites: None
  • Co-requisites: None

Summary

This module will deal with physiology and pathology of the gastrointestinal system, including the liver and how it can be affected by disease, the chemistry of the drugs which affect the gastro-intestinal system and are used to treat gastro-intestinal diseases and relevant structure activity relationships. The science and use of various formulations to ensure optimal absorption, along with the science and practice of ensuring local delivery of drugs not only to the GI tract but also transdermaly. The module will examine the treatment of skin disorders, in addition to dealing with the structure of the skin and its pathophysiology. Drug metabolism and the central role that metabolism plays in many drug interactions will be dealt with within this module. Material that has been considered in previous years (examples; drug dissolution, cell structure) will be revisited in this module and the knowledge built upon. Key skills will be developed whilst employability has been embedded into the assessment strategy through the use of group work and the development of oral presentation skills

Aims

  • To provide a thorough knowledge of the gastrointestinal tract, liver and skin as required by a pharmacist in a community, hospital or industrial setting.
  • To equip students with the skills to apply this knowledge to analyse, evaluate and provide solutions to problems that may arise in a community, hospital or industrial setting. For example; responding to symptoms or applying QSAR

Learning outcomes

On successful completion of the module, students will be able to:

  • Evaluate the biopharmaceutics and pharmacokinetics of gastrointestinal tract (GIT) delivery systems and transdermal systems and how these may be altered by changes in chemical structure or formulation.
  • Describe the physiology of the GIT, liver and skin and the pathology and pathophysiology of diseases of the same.
  • Use advanced knowledge and evaluation skills to diagnose and prescribe appropriate treatments (medicines and other healthcare products) for diseases related to the GIT
  • Demonstrate teamwork and presentation skills through a presentation assessment

Curriculum content

  • GIT

           - Physiology

           - Responding to symptoms

           - Diseases of malabsorption

  • Gastroenteritis
  • Biopharmaceutics and pharmacokinetics of oral drug delivery including

          - IVIVC

          - Release kinetics, coating technology and modified release formulations

  • Irritable Bowel Syndrome and related symptoms

        - Clinical manifestations

        - Treatment choices

  • Inflammatory bowel disease and colitis

        - Targeting through drug chemistry or formulation strategies

        - Pathophysiology

        - Diagnosis and prescribing

  • GORD and peptic ulcers

       - Clinical manifestations

       - Prescribing and OTC treatments including PPIs in community

  • Stoma appliances
  • Liver

      - Chronic liver disease and liver failure

      - Liver function tests

      - Viral hepatitis

  • The chemistry and physiology of drug metabolism including

     - Cytochrome P450

     - Phase I and II metabolism

  • Quantitative structure-activity relationship chemistry pertaining to drugs acting in the GIT
  • Skin

     - Physiology and pathophysiology

     - Semi-solid preparations and prescribing choices

     - Transdermal drug delivery

     - Responding to symptoms

  • Wound management
  • Foot and fungal infections
  • Dispensing of medicines used in the treatment of GI, inflammatory conditions and diseases of the skin
  • Motivational interviews (how pharmacists can help and support clients/patients in actually making realistic changes in their health) related to weight loss and alcohol intake.

Teaching and learning strategy

Core concepts are discussed in lectures by the module team, comprising of both scientists and practitioners. Clinical concepts will be developed in further rlectureres given by experienced clinicians active in respective fields and pharmacist practitioners. All of these will provide information and an overview on topics while illustrating the practical application in the care of patients. They will also serve to guide students in directed reading and self-directed learning. Practicals, tutorials, workshops and seminars will be used to discuss and present relevant material; and, to further develop communication skills and enhance student-student, student-instructor and student-patient interaction. Practicals will involve laboratory exercises, patient/actor demonstration and dispensing simulation; tutorials will involve problem-based learning from case-based studies; and, workshops will present solving scientific dilemmas and practical aspects of patient care.

Problem-based learning within these formats will facilitate application of knowledge to real-life situations, both clinical and industrial; and to reinforce and assess student learning. Directed work in small tutorial groups will support peer-learning and develop skills in small group working and other employability skills.

Placement activities will help the student see the application of learning in real life environments and illustrate how the knowledge gained isa used in the management of health and illness.

Students will be directed to further reading to support their learning. Self-directed learning includes preparation for tests, the end-of-module examination and associated work. Independent study should encourage life-long habits of independent and sustained self-learning.

Breakdown of Teaching and Learning Hours

Definitive UNISTATS Category Indicative Description Hours
Scheduled learning and teaching Approx half are lectures and half practicals and tutorials 110
Guided independent study 182
Study abroad / placement Placement 8
Total (number of credits x 10) 300

Assessment strategy

The module has no end of module examination.

Summative assessment is through an oral presentation, an in-module assessment of learning, in the form of an in class test and a portfolio of coursework activities. This portfolio consists of the creation of a bank of questions in Peerwise (writing questions to develop learning, answering to test learning and rating to develop critical skills), the submission of pro forma associated with the sequence of practicals and a further submission related to possible peer assessment and review (again to develop critical skills). The in module assessment not only provides a measure of student progress and an opportunity  to provide feedback but also ensures that students maintain their learning throughout the module rather than learning purely for an end of module exam. The presentation, in-module assessment and Peerwise will be integrated across the subject areas.

The portfolio of coursework activities consists of:

  • Creation of a bank of questions in Peerwise (writing questions to develop learning, answering to test learning and rating to develop critical skills)
  • The submission of a pro forma associated with the sequence of practicals
  • A further submission related to peer assessment and review (again to develop critical skills).

Each coursework piece is worth 10%

Students will be encouraged to attend the SEC Academic Success Centre (SASC) for support on written aspects of coursework presentation as well as oral aspects. Furthermore the presentation will need to be correctly referenced and again students will be referred to SASC. This should help the students develop skills required for the project module. Where possible, rapid feedback will be given requiring students to visit SASC.

Along with the practicals, team working, leadership, interpersonal skills and oral communication skills are developed through the oral presentation assignment which is a group problem based learning assignment. The use of motivational skills tutorials will enable students to demonstrate that they have developed their interpersonal skills. Problem based or problem solving scenarios will allow students to develop initiative and demonstrate that they are proactive. The presentation will empower students to be self-motivated.

The use of Peerwise exercises as part of the summatively assessed coursework portfolio is intended to help students develop their critical thinking and decision making skills. Formative assessment in class using quizzes and turning point, distance assessment using e-learning, or other methods such as case studies may be more subject specific. Further feedback will be provided on a formative basis covering individual subject areas.

The oral presentation will be summatively assessed by academic staff but students will initially give the presentation to their peers who will provide formative feedback against predetermined criteria which will be used to incorporate improvements and changes for the summative assessment presentation.

Level 6 MPharm students are required to pass a synoptic OSCE style assessment and a synoptic calculations test before they can progress to Level 7. These are to assure that even at this Level the student is demonstrating the appropriate skills, knowledge, understanding and attributes to become a future pharmacist. In addition there is a synoptic exam covering the material in all four Level 6 modules, underpinned by learning from Levels 4 and 5. At level 6 the clinically themed modules have considerable cross module application and resonance to reflect the integrated nature of the course. To promote deeper learning, application and judgement as well as discourage silo learning a synoptic approach is more appropriate to assess the potential abilities of a future pharmacist. In addition it should facilitate in students the ability to ability to focus on a patient as a whole considering not only the prime condition but also co-morbidities.

Learning in this module feeds forward into all three of these synoptic assessments. In addition the assessment modes used (SBA and EMQ style questions) in the in module assessment will prepare the students for the synoptic assessments.

Mapping of Learning Outcomes to Assessment Strategy (Indicative)

Learning Outcome Assessment Strategy
1) Evaluate the biopharmaceutics and pharmacokinetics of gastrointestinal tract (GIT) delivery systems and transdermal systems and how these may be altered by changes in chemical structure or formulation Presentation Coursework activities Feeds forward to synoptic assessment and synoptic OSCE
2) Describe the physiology of the GIT, liver and skin and the pathology and pathophysiology of diseases of the same. In class test Coursework activities Feeds forward to synoptic assessment and synoptic OSCE
3) Use advanced knowledge and evaluation skills to diagnose and prescribe appropriate treatments (medicines and other healthcare products) for diseases related to the GIT In class test Coursework activities Presentation Feeds forward to synoptic assessment and synoptic OSCE
4) Demonstrate teamwork and presentation skills through a presentation assessment Presentation

Elements of Assessment

Description of Assessment Definitive UNISTATS Categories Percentage
Written exam In class test (In module assessment) 25%
Coursework Portfolio of coursework activities (3 x 10%) (Word count 800 words maximum/piece) 30%
Practical exam Oral presentation 45%
Total (to equal 100%) 100%

Achieving a pass

It IS NOT a requirement that any element of assessment is passed separately in order to achieve an overall pass for the module.

Bibliography core texts

Aulton (Ed) Pharmaceutics: The Science of Dosage Form Design. Latest Edition

Blenkinsopp, Paxton and Blenkinsopp Symptoms in the Pharmacy: A Guide to the Management of Common Illness. Latest Edition

Joint Formulary Committee (Eds) British National Formulary. Latest Edition

Kumar and Clark (Eds) Clinical Medicine. Latest Edition

Patrick. An Introduction to Medicinal Chemistry. Latest Edition

Rang and Dale Pharmacology. Latest Edition

Rutter Community Pharmacy: Symptoms, Diagnosis and Treatment. Latest Edition

Walker and Whittlesea Clinical Pharmacy & Therapeutics. Latest edition

Bibliography recommended reading

Boron and Boulpaep Medical Physiology. Latest Edition

Clayden, Greaves and Wothers Organic Chemistry. Latest Edition

Florence and Attwood Physico-Chemical Principles of Pharmacy. Latest Edition

Martini Fundamentals of Anatomy and Physiology. Latest Edition

McMurray Organic Chemistry. Latest Edition

Neals Medical Pharmacology at a Glance. Latest Edition

Rathbone, Hadgraft and Roberts Modified-Release Drug Delivery Technology. Latest Edition

Remington. The Science and Practice of Pharmacy. Latest Edition

The Pharmaceutical Journal

Sweetman (Ed) Martindale: The Complete Drug Reference. Latest Edition
Taylor, Nettleton and Harding Sociology for Pharmacists. Latest Edition

Ward, Clarke, Linden Physiology at a Glance. Latest Edition

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