Aceclofenac


Thông tin thuốc gốc
Chỉ định và Liều dùng
Oral
Ankylosing spondylitis, Osteoarthritis, Rheumatoid arthritis
Adult: As conventional tab or soft gel cap: 100 mg bid, in the morning and the evening. As sustained-release tab: 200 mg once daily.
Elderly: As conventional tab or soft gel cap: Use the lowest effective dose for the shortest possible duration.
Suy thận
Mild to moderate: As conventional tab or soft gel cap: Use the lowest effective dose for the shortest possible duration. Severe: Contraindicated.
Suy gan
Mild to moderate: As conventional tab or soft gel cap: Initially, 100 mg daily. Severe: Contraindicated.
Cách dùng
Should be taken with food. Take w/ or immediately after meals.
Chống chỉ định
Hypersensitivity to aceclofenac, aspirin, ibuprofen or other NSAIDs. Active or history of peptic ulcer/haemorrhage, active bleeding or bleeding disorders, history of gastrointestinal bleeding or perforation related to previous NSAID therapy; CHF (NYHA class II-IV), ischaemic heart disease, peripheral arterial disease, cerebrovascular disease, severe heart failure, varicella infection. Severe hepatic and renal impairment. Pregnancy (3rd trimester).
Thận trọng
Patient with history of bronchial asthma, history of gastrointestinal disease (e.g. ulcerative colitis, Crohn's disease); fluid retention, hypertension, mild to moderate CHF or CHF NYHA class I, history of MI, stroke, or cerebrovascular bleeding; coagulation disorders, anaemia, SLE, hepatic porphyria. Patient undergoing or after CABG. Mild to moderate hepatic and renal impairment. Elderly. Pregnancy (1st-2nd trimester) and lactation.
Tác dụng không mong muốn
Significant: CV thrombotic events, including MI and stroke; fluid retention and oedema, new-onset or exacerbation of hypertension, haematologic effects (e.g. decreased platelet adhesion and aggregation, prolonged bleeding time), hyperkalaemia, increased transaminases, renal effects (e.g. deteriorated renal function, precipitated renal failure), drowsiness, dizziness, blurred vision, photosensitivity; hypersensitivity reactions, including anaphylactic or anaphylactoid reactions. Rarely, blood dyscrasias (e.g. aplastic anaemia, thrombocytopenia, agranulocytosis), hepatitis, aseptic meningitis (particularly in patients with SLE and mixed connective tissue disorders).
Gastrointestinal disorders: Nausea, diarrhoea, dyspepsia, abdominal pain, vomiting, constipation, flatulence, gastritis, mouth ulceration.
Investigations: Increased blood BUN and creatinine.
Skin and subcutaneous tissue disorders: Rash, pruritus, dermatitis, urticaria.
Potentially Fatal: Gastrointestinal bleeding, ulceration and perforation, severe bronchospasm. Rarely, serious skin reactions (e.g. Stevens-Johnsons syndrome, toxic epidermal necrolysis, exfoliative dermatitis).
Thông tin tư vấn bệnh nhân
This drug may cause drowsiness, dizziness or blurred vision, if affected, do not drive or operate machinery.
Chỉ số theo dõi
Monitor LFTs periodically, renal function tests (urine output, serum BUN, creatinine), blood pressure, CBC, serum K, and occult blood loss. Perform ophthalmic exam as necessary (long-term use).
Quá liều
Symptoms: Headache, vomiting, nausea, epigastric pain, gastrointestinal irritation and bleeding, diarrhoea, disorientation, excitation, dizziness, drowsiness, tinnitus, hypotension, fainting, convulsions, respiratory depression, coma, and renal failure or liver damage for significant doses. Management: Symptomatic and supportive treatment. Give activated charcoal or perform gastric lavage within 1 hour of ingestion. Administer IV diazepam for frequent or prolonged convulsions. Closely monitor renal and hepatic function.
Tương tác
Increased risk of gastrointestinal ulceration and bleeding with anticoagulants (e.g. warfarin), corticosteroids, and SSRIs. Increased risk of nephrotoxicity with diuretics, ciclosporin, and tacrolimus. May inhibit the renal clearance resulting in increased plasma levels of cardiac glycosides (e.g. digoxin) and lithium. May enhance the risk of renal insufficiency with ACE inhibitors or angiotensin II receptor antagonists. May increase the plasma levels and toxicity of methotrexate. May decrease the effects of mifepristone. May enhance the risk of convulsions with quinolones.
Potentially Fatal: Increased risk of gastrointestinal ulceration and bleeding with other NSAIDs, COX-2 selective inhibitors, and antiplatelets (e.g. aspirin).
Tương tác với thức ăn
Increased risk of gastrointestinal bleeding with alcohol.
Ảnh hưởng đến kết quả xét nghiệm
May result in a false-positive aldosterone/renin ratio (ARR).
Tác dụng
Description: Aceclofenac, a phenylacetic acid derivative, a potent inhibitor of cyclooxygenase (COX) enzyme which is involved in the production of prostaglandins, thereby causing marked anti-inflammatory and analgesic effects.
Pharmacokinetics:
Absorption: Rapidly and completely absorbed from the gastrointestinal tract (conventional tab). Time to peak plasma concentration: 1-3 hours (conventional tab).
Distribution: Penetrates the synovial fluid. Volume of distribution: Approx 25 L (conventional tab). Plasma protein binding: >99% (conventional tab).
Metabolism: Metabolised into 4'-hydroxyaceclofenac.
Excretion: Via urine (approx 2/3 mainly as hydroxymetabolites). Elimination half-life: Approx 4 hours (conventional tab).
Đặc tính

Chemical Structure Image
Aceclofenac

Source: National Center for Biotechnology Information. PubChem Compound Summary for CID 71771, Aceclofenac. https://pubchem.ncbi.nlm.nih.gov/compound/Aceclofenac. Accessed Apr. 26, 2021.

Bảo quản
Store below 30°C.
Phân loại MIMS
Thuốc kháng viêm không steroid
Phân loại ATC
M01AB16 - aceclofenac ; Belongs to the class of acetic acid derivatives and related substances of non-steroidal antiinflammatory and antirheumatic products.
Tài liệu tham khảo
Airtal 100 mg Film-Coated Tablet (Zuellig Pharma Sdn Bhd). National Pharmaceutical Regulatory Agency - Ministry of Health Malaysia. https://www.npra.gov.my. Accessed 05/03/2021.

Anon. Aceclofenac. Lexicomp Online. Hudson, Ohio. Wolters Kluwer Clinical Drug Information, Inc. https://online.lexi.com. Accessed 05/03/2021.

Buckingham R (ed). Aceclofenac. Martindale: The Complete Drug Reference [online]. London. Pharmaceutical Press. https://www.medicinescomplete.com. Accessed 05/03/2021.

Clanza/Clanza CR/Clanza S (One Pharma Co, Inc). MIMS Philippines. http://www.mims.com/philippines. Accessed 05/03/2021.

Dolowin SR (Brown & Burk Phils., Inc.). MIMS Philippines. http://www.mims.com/philippines. Accessed 05/03/2021.

Joint Formulary Committee. Aceclofenac. British National Formulary [online]. London. BMJ Group and Pharmaceutical Press. https://www.medicinescomplete.com. Accessed 05/03/2021.

Preservex 100 mg Film-Coated Tablets (Almirall, S.A.). MHRA. https://products.mhra.gov.uk. Accessed 05/03/2021.

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