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Pharm 2 Final - Biophos/Gout/Derm
Biophosphonates, Gout and Derm
69
Health Care
Graduate
04/29/2009

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Term
Bisphosphonates are useful in the treatment of:
Definition

hypercalcemia

osteoporosis

Paget's disease

multiple myeloma

bone metastases

Term
Bisphosphonates inhibit _____________ activity. (MOA)
Definition
osteoclastic
Term
Bisphosphonates end in what?
Definition
-DRONATE
Term
Which drugs are bisphosphonates?
Definition

Alendronate (fosamax)

Risedronate (Actonel)

Ibandronate (boniva)

 

Etidronate

Pamidronate

Zoledronate (Reclast) IV

Tiludronate

Term
Which bisphosphonate is taken PO once a month?
Definition
Ibandronate (Boniva)
Term
Which bisphosphonate is taken by IV once a year?
Definition
Zoledronate (Reclast)
Term
Which bisphosphonates are used in the prevention of osteoporosis and vertebral fractures?
Definition

Alendronate (Fosamax)

Ibandronate (Boniva)

Risedronate (Actonel)

Term
Besides vertebral fractures and osteoporosis, what else do Alendronate and Risedronate help prevent?
Definition
hip fractures
Term
who are bisphosphonates frequently prescribed to?
Definition

postmenopausal women

and

those using steroid meds

Term
What MUST you tell a patient before they take bisphosphonates?
Definition

1. Take first thing in the morning with a full glass of water, 30 mins before ingesting anything

 

2. stay upright; do not recline

Term
Why is it important for someone on bisphosphonates to stay upright after they take them?
Definition
because of the high incidence of esophageal erosion
Term
What percentage of bisphosphonates are absorbed?
Definition
~1%
Term
What is the HL of a bisphosphonate?
Definition
ranges from ~1 to 10 years
Term
List the SEs of bisphosphonates.
Definition

GI: nausea, abd pain, loose stools

 

small risk of esophageal ulcers

 

BONE NECROSIS

Term
The bone necrosis that can occur with bisphosphonate use usually manifests where?
Definition
the mandible
Term
How often do you administer Alendronate and Risedronate?
Definition
once a week
Term
Which bisphosphonate is for Paget's disease only?
Definition
Tiludronate
Term
Which bisphosphonates are used IV to treat hypercalcemia of malignancy, Multiple Myeloma and renal cancer?
Definition

Etidronate

Ibandronate

Pamidronate

Zoledronate

Term
Hyperuricemia is due to...
Definition
overproduction or underexcretion of uric acid -- sometimes both
Term
What can cause secondary gout?
Definition

medications

myeloproliferative diseases

chronic renal disease

alcoholism

Term
What is the difference between how you treat primary and secondary gout?
Definition
nothing
Term
What are the possible lab findings of gout?
Definition

elevated serum uric acid -- doesn't have to be elevated

 

elevated ESR and WBC

 

Joint aspirates show Na urate crystals

Term
What is the treatment of choice for Gout?
Definition
NSAIDs
Term
Which NSAIDs do you normally use to treat gout?
Definition

Indomethacin (can cause frontal HAs)

 

Naproxen and Ibuprofen

Term
Colchicine is used specifically for the treatment of what?
Definition
Gout
Term
How is colchicine usually administered in the US?
Definition
PO
Term
How do you use colchicine is the prophylaxis of gout?
Definition
1 tablet once a day
Term
When using Colchine for prophylaxis, how do you change the dosage to abort an impending gouty attack?
Definition

increase dosage at first prodromal signs

 

2 tabs initially followed by 1-2 tabs every 1-2 hours until pain is relieved or until toxicity occurs

 

 

Term
Are NSAIDs used in the prophylaxis of gout?
Definition
nope
Term
List the AEs of colchicine.
Definition

Nausea, vomiting, diarrhea (can be terrible)

 

D/C immediately

Term
What is the max dose of colchicine?
Definition
8 mg in one day
Term
When should stop Colchicine use?
Definition

1. when the pain is relieved

2. when the SEs are too awful to continue

3. when you've taken 8 mg

Term
What drugs can be used to treat gout?
Definition

NSAIDs

Colchicine

Corticosteroids

Uricosuric agents (Probenecid)

Allopurinol

Term
When should you use corticosteroids to treat gout?
Definition
when pts are unable to take oral NSAIDs or colchicine
Term
What do you need to R/O before you administer corticosteroids for gout?
Definition
septic arthritis
Term
Which 2 classes of drugs are used to reduce serum uric acid levels long term?
Definition

uricosuric agents (Probenecid)

Allopurinol

Term
Which drug used to treat gout decreases the production of uric acid?
Definition
Allopurinol
Term
Which drug used to treat gout increases the elimination of uric acid?
Definition
Uricosuric agents - Probenecid
Term
How can you tell if a patient is an underexcretor of uric acid or an overproducer?
Definition

24 hr urine test

 

>800 mg overproducers

 

<800 mg underexcretors

Term
Uricosuric agents block tubular _________ of filtered urate and thus increase the ___________ of uric acid. (MOA)
Definition

reabsorption

 

excretion

Term
What should you avoid when using Probenecid?
Definition

ASA and other salicylates

 

high doses of salicylates inhibit uric acid reabsorption, low doses inhibit uric acid secretion

Term
Which drug should not be initiated during an acute gouty attack?
Definition
Allopurinol
Term
Do you have to stop the use of Allopurinol if an acute gouty attack occurs?
Definition

once started you do not have to stop for a gouty attack

 

however, do not initiate the drug during an acute gouty attack

Term
What is the active metabolite of Allopurinol?
Definition
Oxipurinol (Alloxanthine)
Term
Allopurinol and its _____________ decrease the production of ____________ by inhibiting xanthine oxidase, the enzyme that converts hypoxanthine to xanthine to __________. (MOA)
Definition

active metabolite

 

uric acid

 

uric acid

Term
How is Allopurinol administered?
Definition
PO
Term
What percentage of patients cannot tolerate Allopurinol because of its SEs?
Definition
25%
Term
List the SEs of Allopurinol.
Definition

N/V

Hepatitis

Skin rashes

Other forms of hypersensitivity

Term
What is a real concern with Allopurinol?
Definition

a hypersensitivity reaction can occur at ANY POINT DURING ITS USE

 

it progresses very rapidly and is often missed

Term
Allopurinol DIs:
Definition
inhibits the breakdown of azathioprine and mercaptopurine, these drug's doses should be decreased
Term
______________ and _____________ can be used to treat Psoriasis.
Definition
UV light and corticosteroids topical preparations
Term
What can you use to treat allergic contact dermatitis?
Definition
corticosteroid preparations (only need for a short time)
Term
When you have seborrheic dermatitis of the scalp, what do you use to treat it?
Definition

salicylic acid

selenium sulfide - Selsun blue

Zinc pyrithione - head and shoulders

coal tar - Neutrogena T/Gel

Term
Seborrheic dermatitis of the skin responds well to ____________________.
Definition
steroid lotions
Term
Babies with cradle cap often respond well to __________________.
Definition
mild baby shampoos.
Term
What treats eczema well?
Definition
steroid creams or ointments
Term
Warts are caused by viruses in the _____ family.
Definition
HPV
Term
What can you use to treat skin warts?
Definition

salicylic acid (compound W), plaster

cantharidin cryotherapy - liquid nitrogen

Term
_______________ is used to treat genital warts in those ______ years old and over.
Definition

Imiquimod

 

12

Term
Imiquimod should be used not longer than __________.
Definition
16 weeks
Term
Fungal and bacterial infections of the skin are treated with _____________ and ______________ respectively.
Definition

antifungals (topical or systemic)

 

antibiotics (topical or systemic)

Term
Topical retinoids used to treat acne are related to ___________.
Definition
Vitamin A
Term
List the Topical Retinoids
Definition

Tretinoin (Retin A)

Adapalene (Differin)

Tazarotene (Tazorac)

Term
Which drug is a systemic retinoid?
Definition
Isotretinoin (Accutane)
Term
How long should you take Accutane?
Definition
4-6 months
Term
Accutane works by reducing the secretion of ___________________ in addition to altering DNA trascription. (MOA)
Definition
oil from glands
Term
Accutane/Isotretinoin is recommended ONLY for _______________.
Definition
severe cystic acne
Term
List the SEs of Isotretinoin (Accutane)
Definition

Extremely Tetratogenic

Dry skin and mucous membranes

HA

depression

hypertriglyceridemia, hypercholesterolemia

reduced HDL

elevation of LFTs

Term
What is the program used to monitor proper control and use of Isotretinoin (accutane)?
Definition
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