Gout Treatment Flashcards
What are the goals of Gout Treatment?
- Relieve Pain
- Relieve Inflammation
- NOT decrease uric acid
How do you spell the brand name of Colchicine?
Colcrys
What is the MOA of Colcrys?
Inhibits neutrophil function and inflammatory response to urate crystals
What is the main side effect of Colcrys?
GI Effects >80% at full high dose
What are the Colcrys Cautiions of the 2020 ACR Guidelines?
- Only use colchicine if within 36 hrs of attack onset
- No further colchicine for >14 days if CrCl <30 or severe hepatic impairment
What are the Colcrys interactions?
- Macrolides
- Cyclosporine
- Grapefruit Juice
What are other side effects of Colcrys?
- Myopathy
- Bone Marrow Depression
What are the cautions for NSAID use for Gout?
- Renal failure
- Ulcer disease
- HTN
- CHF
- Liver disease
- With anticoagulants
What are the FDA Approved NSAIDs for Gout (effective)?
- Indomethacin
- Naproxen
- Sulindac
Are salicylate and COX-2 inhibitors recommended for gout treatment?
NO, not effective
When are corticosteroids used for Gout treatment?
Effective but reserved for:
1. Resistant cases
2. Other drugs contraindicated
What is the concern with Corticosteroids?
Exacerbate tophaceous disease
Corticosteroids can be given with Colcrys but not with what?
NSAIDs
What are the corticosteroid options that can be used in Gout?
- Oral Prednisone tapered
- ACTH tapered
- Intra-articular injections
What are the alternative therapy options for gout? Interleukin-1B?
- Anakinra
- Canakinumab
- Rilonacept
How do you spell the brand name of Allopurinol?
Zyloprim
What is the MOA of Allopurinol?
Xanthine Oxidase Inhibitors XOI
What are the side effects to be aware of for Allopurinol?
Skin Rash
What increases the risk of hypersensitivity with Allopurinol?
- Higher initial dose
- Chronic kidney disease
- Concomitant thiazides
- HLA-B*5801
What is the drug interaction for Allopurinol?
Inhibits breakdown of azathioprine and mercaptopurine, cut dose 25% if used with allopurinol
Allopurinol should be avoided when used with what?
- Didanosine
- Theophylline
How to spell Febuxostat brand name?
Uloric
What is the MOA for Uloric?
Selective Xanthine Oxidase Inhibitor
When should you avoid the use of Uloric?
- Azathioprine
- Mercaptopurine
- Didanosine
- Theophylline
What is the primary use of Uloric?
- Allopurinol hypersensitivity, intolerance, or failure
- Uricosurics not indicated or failed
- Renal dysfunction
Uricosurics are preferred for what?
Underexcretion
When should uricosurics be avoided?
Nephrolithiasis
What is a uricosuric drug that inhibits the reabsorption of urate and low dose ASA inhibits its effects?
Probenecid
What is the MOA of Urate Oxidases?
Convert uric acid to allantoin
What are the possible effects of Urate Oxidases?
- Gout flare
- Potential antigenicity
- Declining efficacy
- Anaphylaxis
What is the CI for Urate Oxidases?
G6PD Deficiency
What drug is an Urate Oxidase?
Pegloticase
How do you spell the brand name of Pegloticase?
Krystexxa
When should you use Pegloticase?
For patients with refractory chronic gout
What is the Gout Management ACR 2020 Guideline?
- Topical Ice
- Monotherapy with NSAID or Systemic Steroid or Low Dose Colcry
- If NPO, IA Steroid or IV Methylprednisolone
All of these over ACTH or IL-1 Inhibitor - If ineffective or CI recommend IL-1 Inhibitor
If severe pain or polyarticular gout, can consider what?
- Colcry + NSAID
- Steroid + Colcry
- IA Steroid + Other Med
NOT NSAID + Steroid = GI Effects
What can increase Pseudogout?
Bisphosphonate or Loop Diuretic
What can be used for prevention of Pseudogout?
Magnesium and Probenecid
What are the goals of Gout Prophylaxis?
- Prevent recurrent attacks
- Prevent complications or urate deposition
- Target uric acid is <6
What can you used for Gout Prophylaxis?
- Non-Drug Treatment
- Colcrys
- Low dose NSAID
- Low dose prednisone
- Allopurinol
- Uricosurics
What should you monitor in Colcrys Prophylaxis?
CBC and CK
What are the Nondrug Treatment ACR 2020 Guideline recommendations?
- Limit alcohol, purine intake, high-fructose corn syrup
- If overweight/obese, lose weight
- Recommend AGAINST adding vitamin C
What are dietary recommendations for gout?
Avoid high purine foods: meat, seafood, beer
What is Rasburicase/Elitek approved for?
Hyperuricemia associated with malignancy (tumor lysis syndrome)
When should you initiate urate-lowering therapy ULT?
If >t tophi: radiographic damage: >2 flares/y
What is the choice of initial ULT?
- Allopurinol, even if CKD stage >3 (or Uloric if CI)
- XOI over probenecid if CKD stage >3
With initial ULT, start anti-inflammatory prophylaxis
- Colcrys, NSAID, Prednisone
choice based on patient factors
Keep on for 3-6 months
Do not use what as 1st line for initial ULT?
Pegloticase
For all taking ULT, what is the target?
<6 mg/dL
If you have a history of CVD or new CV event, use alternative medication instead of what?
Febuxostat
In uricosurics, you do NOT need to do what?
- Do NOT check urinary A before starting
- Do NOT alkalinize urine
If not at target and frequent flares or unresolving tophi, switch to what instead of continuing current ULT?
Pegloticase
If not at target but <2 flares/y and no tophi, do NOT switch to what?
Pegloticase
What are drugs that induce hyperuricemia?
- Diuretics
- Cyclosporine
- Low Dose Salicylate