The PowerPoint presentation will be based on the topic assigned to you. Assignments will be posted in announcements during Week 1. If you cannot loca
he PowerPoint presentation will be based on the topic assigned to you.
Assignments will be posted in announcements during Week 1. If you cannot locate your assignment contact your faculty.
Your presentation must include the following headings.
Heading – Title Page
Heading – Pathophysiology of Assigned Disease
Heading – Definitions of the Two Assigned Drug Classes
Heading – Discussion of 4 Medications (2 drugs from each assigned drug class)
Heading – Pharmacokinetics, Pharmacodynamics, Safety/Monitoring, & Pregnancy/Lactation of the 4 Medications Discussed Earlier
Heading – Contraindications of the 4 Medications Discussed Earlier
Heading – Conclusions
Heading – References
The Powerpoint template titled Pharmacological – Management Project for you to use as a guide for the following assignments: Weeks 4, 6, 8, & 9 is located here.
Pharmacological Management Project
Student Name
NSG6005
Faculty name
Pathophysiology of assigned disease
Assigned Disease: Primary Biliary Cholangitis
Pathophysiology: Primary biliary cholangitis (PBC, formerly known as primary biliary cirrhosis) is an uncommon cholestatic liver disease characterized by immune-mediated destruction of biliary epithelial cells. PBC is female preponderant and typically presents in the fifth or sixth decade of life. The clinical presentation may include generalized pruritus, dryness of eyes and mouth, fatigue, and upper abdominal discomfort; patients may be asymptomatic. Typical laboratory findings are elevations in serum alkaline phosphatase levels, increased serum immunoglobulin M levels, and the presence of antimitochondrial antibodies or specific subtypes of antinuclear antibodies. A diagnosis of PBC is usually made without histologic examination. When used, liver biopsy typically reveals nonsuppurative granulomatous cholangitis with loss of small bile ducts and lymphocytic portal inflammation. Patients who do not achieve an adequate biochemical response to first-line therapy have a greater risk of disease progression to cirrhosis and may ultimately require liver transplantation.
Definition of the two assigned drug Classifications
Classification 1: Bile Acid Analog
Bile acids aid in the digestion and solubilization of lipophilic nutrients and drugs in the small intestine, they signal endocrine molecules that regulate the glucose, lipid, and energy metabolism through complex and intertwined pathways that are largely mediated by activation of nuclear receptor farnesoid X receptor (FXR) and cell surface G protein-coupled receptor 1, TGR5 (also known as GPBAR1).
Classification 2: Immunomodulatory therapy
Immunomodulatory drugs modify the response of the immune system by increasing (immunostimulators) or decreasing (immunosuppressives) the production of serum antibodies. Immunostimulators are prescribed to enhance the immune response against infectious diseases, tumours, primary or secondary immunodeficiency, and alterations in antibody transfer, among others. Immunosuppressive drugs are used to reduce the immune response against transplanted organs and to treat autoimmune diseases.
Discussion of 4 medications – 2 from each drug classification (you are to choose the drugs – they must belong to the drug class)
Classification 1: Bile Acid analog
Drug 1: Actigall (ursodiol)
13 – 15 mg/kg/day orally given in 2 – 4 divided doses
Give with food
Drug 2: Obeticholic acid
5 – 10 mg PO qD
Start 5mg PO qd x 3 months, then may increase to 10mg PO qd if needed
Classification 1: immunomodulatory therapy
Drug 1: prednisone
20 – 30 mg PO qd initially for one month, titrate downward according to IgG concentration
Drug 2: Mycophenolate mofetil
500 – 1000 mg PO qd BID
Pharmacokinetics, Pharmacodynamics, safety/monitoring & pregnancy/lactation of the 4 Medications you discussed earlier
Drug 1: actigall (ursodiol)
Metabolism: Liver, GI Tract, CYP450; half-life unknown
Excretion: feces primarily; urine
Mechanism of Action: decreases cholesterol synthesis, secretion, and absorption; alters bile cholesterol composition
Monitoring Parameters: liver function tests q months x 3months, then q6 months
Pregnancy: may use during pregnancy; no known risk of fetal harm based on human data
Lactation: may use while breastfeeding; no known risk of infant harm based on limited human data
Drug 1: obeticholic
Metabolism: live; no CYP450; enterohepatically recirculated; active metabolites
Excretion: feces 87%; urine <3%; half-life 24 hours
Mechanism of Action: agonizes farnesoid X receptor, decreasing intracellular hepatocyte concentrations of bile acids
Monitoring Parameters: liver function tests at baseline, then frequently, especially if there is an increase in risk of hepatic decompensation or before dose adjustment; lipid panel
Pregnancy: caution advised during pregnancy; inadequate human data available to assess risk
Lactation: caution advised while breastfeeding; no human data available to assess risk of infant harm or effects on milk production
Drug 1: prednisone
Metabolism: liver; CYP450 – 3A4 substrate; prodrug converted to prednisolone
Excretion: urine; half-life: 2-4 hours (plasma); 18-36 hours (biological)
Mechanism of Action: exact mechanism of anti-inflammatory action unknown; inhibits multiple inflammatory cytokines; produces multiple glucocorticoid and mineralocorticoid effects
Monitoring Parameters: electrolytes; BP; weight; 2 hours postprandial glucose; chest x-ray if prolonged treatment; ophthalmic exam if treatment >6weeks
Pregnancy: weight risk/benefit during pregnancy, especially in 1st trimester; risk of orofacial cleft based on limited human data; possible risk of teratogenicity based on animal data
Lactation: may use while breastfeeding, consider breastfeeding at least 4 hours after high-dose prednisone use; no known risk of infant harm
Drug 1: mycophenolate mofetil
Metabolism: liver; CYP450-unknown; UGT: 1A9 substrate; info: prodrug converted to mycophenolic acid
Excretion: urine 93%, feces 6%, half-life: 17.9 hour (PO route), 16.6h (IV route)
Mechanism of Action: inhibits B- and T-lymphocyte proliferation
Monitoring Parameters: pregnancy test immediately prior to treatment start, then 8-10 days later, then continue at routine visits, creatinine at baseline, CBC qwk x 1 month, then 2x/mo x 2mo, then q month during 1st year of treatment
Pregnancy: avoid use during pregnancy; risk of fetal harm; included teratogenicity and spontaneous abortion, based on human data
Lactation: weigh risk/benefit while breastfeeding; no human data available to assess risk of infant harm though possible drug excretion into milk
Contraindications of the 4 medications discussed earlier
Actigall (ursodiol)
Hypersensitivity to drug, unremitting acute cholecystitis, acute cholangitis, biliary obstruction, gallstone pancreatitis
Obeticholic acid
Hypersensitivity to drug; complete biliary obstruction, caution if Child-Pugh Class B or C hepatic impairment, caution if prior hepatic decompensation event
prednisone
Systemic fungal infection, cerebral malaria, avoid abrupt withdrawal, caution in pediatrics, pregnancy, if immunosuppressed, if active infection, if TB infection, if hypertensive, if diabetic
Mycophenolate mofetil
Hypersensitivity to polysorbate 80, pregnancy, avoid donating blood during treatment and 6 weeks after d/c, avoid semen donation during treatment and 90 days after d/c, caution HBV or HCV infection, caution if CrCl <50
conclusion
Summarize what you learned on this slide – what are the important things to know about the disease, the classifications, drugs and risks
references
Include all the references used following the APA 7th Edition
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