์ฌ์ด๋ผ์ง ๋ํธ๋ฅจ
์ฌ์ด๋ผ์ง ๋ํธ๋ฅจ์ ์ฃผ๋ก ์์ํ์์ ๊ฐ์ **๋ง์ฑ ๋์ฅ์ผ** ์น๋ฃ์ ์ฌ์ฉ๋๋ ๊ตญ์ ์์ฉ ์์ฅ๊ด ํญ์ผ์ฆ์ ์ ๋๋ค. **์คํ์ด๋ผ์ง**์ ๋ฐ์ํ์ง ์๊ฑฐ๋ ๋ถ์์ฉ(์ฃผ๋ก ์คํ ์ฑ๋ถ์ผ๋ก ์ธํ ๊ฑด์ฑ ๊ฐ๊ฒฐ๋ง์ผ ๋ฑ)์ ๊ฒฌ๋์ง ๋ชปํ๋ ํ์๋ฅผ ์ํ ๋์ฒด์ ๋ก ์ฌ์ฉ๋ฉ๋๋ค. ๊ตฌ์กฐ์ ์ผ๋ก ์ด ์ฝ๋ฌผ์ ์์กฐ ๊ฒฐํฉ์ผ๋ก ์ฐ๊ฒฐ๋ ๋ ๋ถ์์ **5-์๋ฏธ๋ ธ์ด๋ฆฌ์ค์ฐ(5-ASA, ๋ฉ์ด๋ผ๋ฏผ)**์ผ๋ก ๊ตฌ์ฑ๋ ์ ๊ตฌ์ฝ๋ฌผ์ ๋๋ค. ์คํ์ด๋ผ์ง์ ์๋ ์คํํผ๋ฆฌ๋ ์ฑ๋ถ์ด ์๊ธฐ ๋๋ฌธ์ ๋ฉด์ญ ๋งค๊ฐ์ฑ ๋ถ์์ฉ์ ์ ๋ฐํ ์ํ์ด ์ผ๋ฐ์ ์ผ๋ก ๋ฎ์ง๋ง, ๊ฐํน ๋๋ฌผ ์์ฑ ๊ฐ์ ๋ฌธ์ ๊ฐ ๋ฐ์ํ ์ ์์ต๋๋ค.
์์ฉ ๊ธฐ์ : Olsalazine is a prodrug that passes through the stomach and small intestine largely intact. Upon reaching the colon, **bacterial azoreductase enzymes** (produced by normal colonic flora) cleave the azo bond, releasing two molecules of **5-ASA (mesalamine)**. * **5-ASA** acts locally on the colonic mucosa. * It inhibits the **cyclooxygenase (COX)** and **lipoxygenase (LOX)** pathways โ decreasing the production of pro-inflammatory prostaglandins and leukotrienes. * It also acts as a **free radical scavenger**, reducing oxidative tissue damage in the inflamed colon.
๋๋ฌผ ์ข ๋ณ ์ฉ๋
- For dogs who cannot tolerate sulfasalazine ยท 10-20 mg/kg ยท PO ยท three times daily
- Chronic colitis ยท 10-20 mg/kg ยท PO ยท q8h ยท Has had limited use in dogs without causing apparent side effects.
- Chronic colitis ยท 10-15 mg/kg ยท PO ยท q8-12h
- Chronic colitis ยท 5-10 mg/kg ยท PO ยท three times daily ยท Initially, then reduce gradually.
์ฉ๋์ ๋ฉดํ ์์ ์ ๋ฌธ๊ฐ๋ฅผ ์ํ ์์ ์ฐธ๊ณ ์๋ฃ์ ๋๋ค. ํญ์ ์ต์ ๋ผ๋ฒจ๊ณผ ๊ฐ๋ณ ํ์์ ๋ํด ํ์ธํ์ญ์์ค.
ํฌ์ฌ ๊ฒฝ๋ก
๊ธ๊ธฐ
- Hypersensitivity to olsalazine or salicylates
์ด์๋ฐ์
- Keratoconjunctivitis sicca (KCS / dry eye) - less frequent than with sulfasalazine
- Diarrhea (paradoxical worsening reported in humans)
- Vomiting (especially with overdose)
- Decreased motor activity (with overdose)
- Elevated ALT or AST
์ฝ๋ฌผ ์ํธ์์ฉ
- Warfarin ยท Olsalazine may increase prothrombin times in patients receiving warfarin.
๋ชจ๋ํฐ๋ง
- Clinical efficacy (resolution of colitis signs)
- Adverse effects (especially signs of KCS/dry eye)
- Schirmer Tear Test (STT) periodically
- Serum ALT and AST
๊ณผ์ฉ๋
Overdosage in dogs may cause **vomiting, diarrhea, and decreased motor activity**. * **Toxicity:** Dosages up to 2 grams/kg were not lethal in dogs. * **Treatment:** Treat symptomatically and supportively. GI decontamination may be considered if a massive overdose was recently ingested.
VetSheet ์ฝ๋ฌผ ๋ ํผ๋ฐ์ค๋ ๋ฉดํ ์์ ์ ๋ฌธ๊ฐ๋ฅผ ์ํ ์์ ์์ฌ๊ฒฐ์ ๋ณด์กฐ ๋๊ตฌ์ด๋ฉฐ, ์ ๋ฌธ์ ํ๋จ์ด๋ ์ ์กฐ์ฌ์ ์ต์ ๋ผ๋ฒจ์ ๋์ ํ์ง ์์ต๋๋ค.