Inflammatory Bowel Disease Flashcards
What is included in the proximal large intestine
Ascending colon and transceding colon
What is included in the Distal large intestine?
Descending colon and sigmoid colon
What is UC?
It is chronic inflammatory condition characterized by episodes of infalmmation limited to the mucosal layer of the colon
What is CD
Chronic transmural inflammation with skip lesions, affecting mouth to perianal
What is the etiology of Crohn’s disease?
What is the etiology of Ulcerative colitis disease?
Where does UC being?
Rectum
Where does CD begin?
Anywhere
What are the risk factors of UC/CD
What is the prognosis of mortality rates?
1.4-5 times
What are the complications of UC?
Colectomy
Osteoporosis
Hypercoagulability
Anemia
What is the main symptoms of UC/CD?
Abdominal pain and diarrhea
What are the systemic effects that generally occur during a flair?
Fever
Sweats
Malaise
Arthralgia
What is the diagnosis of UC/CD?
Physical exam
lab exam (Stool testing, blood tests)
Imaging and endoscopy/coloncoscopy
What needs to be monitored with respect to UC/CD?
HG
Iron Indices
Nutrition
Growth
BMD
Colonoscopy
What is the goal of txtmnt?
What are the medicaitons used for treatment?
Corticosteroids
5-ASA
Immune modifiers
What are the dietary items we need to consider with CD/UC
Fiber
Reduce fat (Except Omega 3)
Consider trigger foods
Prevent malnutrition of specific nutrients
Multivitamin has a good role!
What role is their for probiotics?
Evidence is limiting, can be added on as therapy but should not be replaced
What are some other non-pharm treatments we should consider
Smoking cessation
Exercise
What is the principle of therapy for UC/CD?
Induce remission
Maintain remission
Minimize use of steroids
What is the definition of remission?
WIth respect to CS what are the benefits?
Highly effective agents for inducing remission
What are the dosage forms of CS and indication?
Orally for UC/CD and topical foams and enemas in UC
What are the indications of CS for UC?
Topical (Mild to moderate) induction
Oral: Moderate to severe induction
WHat is the indicaitions for CS?
Oral: mild to severe Crohns disease induction
Budesonide can be used for short term maintenance as well <3 months
What is the general dosing of prednisone for flare management?
40-60mg daily
What is the Budesonide entocort capasules generally target?
Ileal and ascending colon for CD only (9mg) daily
What is the Budesonide enocort enema generally used for?
Distal UC only 2mg qhs
What are the cortiment tablets used for?
UC, 9mg daily
What are the hydrocortisone 10% enemas/foams used for?
UC only QHS<but unavailable
What are the special administration instructions of CS?
Prednisone with food
Topicals: Life on left side and attempt to retain contents for as long as posible
What is the onset of CS for symptom imporvement?
As early as 2-3 days
What is the typical duration of therapy for corticosteroids?
Prednisione (4 weeks max recommended)
Budesonide: 8 weeks maze
What is the taper recommendations for budesonide?
How long can budesonide capules be continued for after induction?
3 months at 6mg/day and then taper 8-3-0 over 2 weeks
If switching from Prednisone to Budesonide
Done to reduce ADRs HPA-Axis supression or reduce disease recurrence
Common side effects of CS?
What are the serious side effects due to long term exposure of CS?
What are the monitoring parameters of CS?
If systemic toxicity is present what should be done?
Switch to budesonide or topicals if possible
What are aminosalicylates?
Most commonly used agents in UC, but ahs questionable efficacy in acute CD
Topical and oral agents available
What are the indications for 5-ASA?
Oral/topical therapy for mild UC
5-ASA + prednisone for moderate and severe UC
SSZ for induction of mild-moderate CD
What is the maintenance dose of 5-ASA?
What are the contraindications of Aminosaliclates?
What is the MOA of Aminosalicylates?
Controls inflammation by inhibiting Cox pathways and blocks prostaglandin/leukotriene production in the colon
SSZ is convereted into 5-ASA in the colon
What is the typical dosing of topical induction of UC? (3) with respect to ASA?
What is the typical dosing of topical maintenance of UC? with respect to ASA
What is the dosing for Mezacant (ASA)
2.4-4.78mg once daily, Very expensive
What are the Aminosalicylates agents?
Asacol
Pentasa
Salofalk
Mezavant
Sulfasalazine
What is the administration of the suppositories or enemas?
Must be able to retain enema contents for >30 minutes
What is generally the onset of Aminosalicylates?
2-4 weeks to achieve remission
What are the common side-effects of aminosalicylates
What are the SSZ only side effects/
What are the serious AE of Aminosalicylates?
What should be monitored while on Aminosalicylates?
What are the drug interactions of 5-ASA?
Antacids, PPis, H2RAs
Azathioprine/mercaptopurine toxicity increased
Digoxin decreased
What are the pH dependant 5-ASA medicaitons?
Salofalk, Mesavant, Asacol
What is the Clinical evidence for UC with the usage of aminosalicylates?
What is the Clinical evidence for CD with the usage of aminosalicylates?
What are the DI of SSZ?
Which ASA has the greatest location of action?
PENTASA
Take some time to review location of action for Aminosalicylates
What are the immune modifieing aganets for CD/UC
Azathioprine and Mercaptopurine (Immunosuppressants)
Which immune modifiers are indicated for maintenance of UC/CD?
Azathioprine and Mercaptopurine BUT
What are the indications of the immune modifiers?
What is the MOA of Azathioprine/Mercaptopurine?
Purine antagonists/Immune suppression
What is the MOA of Vedolizumab?
Integrin receptor blockers
What is the MOA of Ustekinumab?
Inhibits IL-12 and 23
How is Mercaptopurine/Azathioprine dosed?
oral once daily dosing
What is the onset of action of Mercaptopurine/Azathioprine?
3-6 months
How long does biologics take to work?
2-8 weeks
What is special about vedolizumab?
18-20 weeks
What is the duration of therapy for the immune modifiers?
What are the side effects of Mercaptopurine/Azathioprine?
Flu-Like symptoms
GI symptoms
What are the Side effects of the biologics/
What are the serious side effects of mercaptopurine or azathioprine?
What should be monitored while on Mercaptopurine/Azathioprine?
What should be monitored while on TNF-Inhibitors/
What are the DI of Mercaptopurine/Azathioprine?
What are generally the IBD biologic treatment?
TNF-inhibitors (Infliximab may have slight efficacy_
Vedolizumab is gut selective, but slow onset
Is maintenance therapy always offered for patient?
UC yes
Crohns (Mild disease no), Consider if >2 or more exacerbations per year
What is combo therapy appropriate for UC?
When is combo therapy for CD appropriate?