Nabumetone

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Warning

• 유해·위험 문구

  H303：삼키면 유해할 수 있음

• 예방조치문구

  P270：이 제품을 사용할 때에는 먹거나, 마시거나 흡연하지 마시오.

  P301+P312：삼켜서 불편함을 느끼면 의료기관(의사)의 진찰을 받으시오.

  P403：환기가 잘 되는 곳에 보관하시오.

Nabumetone MSDS

• 4-(6-Methoxy-2-naphthyl)-2-butanone

Nabumetone 화학적 특성, 용도, 생산

• 개요

  Nabumetone is a non-acidic, nonsteroidal antiinflammatory agent formally related to naproxen. Its main circulating metabolite is 6-methoxy-2-naphthylacetic acid (α-nornaproxen). Administered once daily (Tsub>1/2 * 30 hrs), nabumetone is reported to be effective in the treatment of rheumatoid and osteoarthritis.

• 화학적 성질

  White Powder

• 용도

  Nabumetone is an anti-inflammatory and antibacterial agent (1). A non-steroidal anti-inflammatory prodrug used for treatment of inflammatory and degenerative rheumatic diseases.

• Indications

  Nabumetone (Relafen) is approved for rheumatoid arthritis, osteoarthritis, and pain management. Its long half-life allows for once-daily dosing. Although this drug is a weak inhibitor of COX, it is metabolized in the liver to 6-methoxy-2-naphthylacetic acid (6-MNA), a strong COX inhibitor that is chemically similar to naproxen. As with most NSAIDs, GI side effects are most commonly reported. The incidence of gastric ulceration is lower with nabumetone than with many other NSAIDs.This is due to its nature as a prodrug, not to COX-2 selectivity. Lower-bowel complaints, rashes, and CNS disturbances are common adverse effects.

• 정의

  ChEBI: A methyl ketone that is 2-butanone in which one of the methyl hydrogens at position 4 is replaced by a 6-methoxy-2-naphthyl group. A prodrug that is converted to the active metabolite, 6-methoxy-2-naphthylacetic acid, following oral administration. It is s own to have a slightly lower risk of gastrointestinal side effects than most other non-steroidal anti-inflammatory drugs.

• 일반 설명

  Nabumetone (Relafen), a nonacidic NSAID prodrug, isclassified as an arylacetic acid, because it undergoes rapidhepatic metabolism to its active metabolite, 6-methoxy-2-naphthylacetic acid. Similar to the other arylacetic aciddrugs, it is used in short- or long-term management of RAand OA. Being nonacidic, it does not produce significantprimary insult to the GI mucosa lining and also has no effecton prostaglandin synthesis in gastric mucosa, thus producingminimum secondary GI damage when comparedwith other conventional NSAIDs.

• Pharmacokinetics

  Nabumetone is absorbed primarily from the duodenum. Milk and food increase the rate of absorption and the bioavailability of the active metabolite. Plasma concentrations of unchanged drug are too low to be detected in most subjects after oral administration, so most pharmacokinetic studies have involved the disposition of the active metabolite. Pharmacokinetic properties are altered in elderly patients, with higher plasma levels of the active metabolite being noted. Nabumetone undergoes rapid and extensive metabolism in the liver, with a mean absolute bioavailability of the active metabolite of 38%. The metabolism of nabumetone is illustrated in Figure 36.15. The major, most active metabolite is 6MNA, but the initial alcohol metabolite, a minor product, and its esters also possess significant anti-inflammatory properties.

• Clinical Use

  Nabumetone is indicated for the acute and chronic treatment of the signs and symptoms of osteoarthritis and rheumatoid arthritis. The recommended starting dosage is 1,000 mg as a single dose with or without food. More symptomatic relief of severe or persistent symp-toms may be obtained at doses of 1,500 or 2,000 mg/day

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