Therapeutics of Gout and Hyperuricemia Flashcards
RF for Gout
Hyperuricemia Purine rich diet Alcohol Obesity Kidney damage Meds Insulin resistance OA
Low Purine Food
Milk
Green veggies
Fruits
High Purine Food
Liver, kidney
Alcoholic beverages
Bacon
Turkey
Triggers for attack
IV contrast Acidosis Rapid changes Lower body temperature Psoriasis Surgery
Treatment principles
Terminate attack
Prevent attack
Prevent complications with urate deposition
Minimize side effects
Non-Pharmacologic Modalities
Local, topical cold therapy
Weight reduction
Decrease alcohol
Dietary changes
1st line of attack is?
NSAIDs Naproxen, indomethacin, sulindac MAX dose and taper
Celecoxib?
Pts with increase risk of GI bleed
2nd line of attack?
Colchicine within <36 hrs after attack
Colchicine dosing
2 tablets at onset, 1 tablet 1 hr later
12 hrs later 0.6 mg PO QD or BID
Colchicine Side effects
DIARRHEA
Cyp 450
Last line therapy?
Corticosteroids (PO for systemic or IA for 1-2 joints)
Opoids (don’t get rid of inflammation)
Monotherapy?
Mild-mod pain
1 large joint or few small joints
Combo therapy?
Sever pain
2+ large joints
Gout prophylaxis?
Sever gout attack Nephrolithiasis Serum uric acid >10 24 urinary uric acid >1000 Tophi present 2+ attack/year Renal dysfunction
Prophylaxis agents
Anti-inflammatory (Colchicine or NSAIDs)
Uricosuric agents
Xanthine Oxidase Inhibitors
Duration of Anti-inflammatories
At least 6 months!!!
Uricosurics
Acoid in acute gout attack, <50 CrCl, using aspirin
Push fluids with it
Monitor renal, CBC
Xanthine Oxidase Inhibitors Agents
Allopurinol
Febuxostat
Xanthine Oxidase Inhibitors Use
Combo with NSAIDs
Overlap x 6-12 months
Xanthine Oxidase Inhibitors Interactions where you need to decrease dose by half?
Azathioprine
Didanosine
Mercaptopurine
Theophylline
Allopurinol Dose
100 mg PO QD and titrate
Consistently check serum uric acid
Fubuxostat
Renal impairment and cant increase allopurinol
40 mg PO QD titrate to 80
Increase risk of MI, stroke and CV death!!!
Pegloticase
Severe gout burden Refractory Intolerance to oral IV CHF!!!
Rasburicase
Urate oxidase enzyme
BAAAAD black box warnings