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Chỉ định và Liều dùng
Oral
Type 2 diabetes mellitus Adult: As an adjunct to diet and exercise to improve glycaemic control: Monotherapy or in combination with other antidiabetic agents: 15-30 mg once daily. May increase dose in 15 mg daily increments every 4-12 weeks, as needed. Max: 45 mg daily. Dosing recommendations may vary among individual products and between countries (refer to specific product guidelines).
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Nhóm bệnh nhân đặc biệt
Patient taking gemfibrozil and other strong CYP2C8 inhibitors: Max: 15 mg daily.
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Suy gan
Contraindicated.
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Cách dùng
May be taken with or without food.
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Chống chỉ định
History or current heart failure (New York Heart Association [NYHA] stages I-IV); diabetic ketoacidosis, active or history of bladder cancer; uninvestigated macroscopic haematuria, hepatic impairment.
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Thận trọng
Patient with oedema, risk factors for CHF (e.g. previous MI, symptomatic coronary artery disease). Elderly. Pregnancy and lactation.
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Tác dụng không mong muốn
Significant: Decreased Hb or haematocrit, hypoglycaemia (if combined with other antidiabetic agents or insulin), macular oedema with decreased visual acuity, weight gain; increased risk of bladder carcinoma, bone fracture (higher risk in women), and cardiac failure; fluid retention, resumption of ovulation.
Blood and lymphatic system disorders: Anaemia. Eye disorders: Visual disturbance. Gastrointestinal disorders: Flatulence. General disorders and administration site conditions: Oedema. Musculoskeletal and connective tissue disorders: Arthralgia. Nervous system disorders: Hypo-aesthesia, headache, dizziness. Renal and urinary disorders: Haematuria. Reproductive system and breast disorders: Erectile dysfunction. Respiratory, thoracic and mediastinal disorders: Upper respiratory tract infection, dyspnoea, bronchitis. Potentially Fatal: Very rarely, hepatic failure. |
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Chỉ số theo dõi
Monitor HbA1c (at least twice yearly in patients with stable glycaemic control; quarterly in patients not meeting therapy goals or with changes in treatment); serum glucose; liver function (e.g. ALT, AST, alkaline phosphatase, total bilirubin) at baseline (for all patients) and periodically during therapy for patients with active or suspected liver disease; weight. Monitor for signs and symptoms of liver injury, fluid retention, heart failure, and bladder cancer.
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Tương tác
Increased serum concentration with strong CYP2C8 inhibitors (e.g. gemfibrozil). Decreased serum concentration with CYP2C8 inducers (e.g. rifampicin), and topiramate.
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Tác dụng
Description:
Mechanism of Action: Pioglitazone, a thiazolidinedione, is a potent and highly selective agonist for the peroxisome proliferator activated receptor-γ (PPAR-γ). Activation of these receptors promotes the production of gene products involved in lipid and glucose metabolism. It also improves insulin response to target cells without increasing the pancreatic secretion of insulin. Onset: Delayed. Pharmacokinetics: Absorption: Rapidly absorbed. Bioavailability: >80%. Time to peak plasma concentration: Approx 2 hours; delayed with food. Distribution: Apparent volume of distribution: 0.63 ± 0.41 L/kg. Plasma protein binding: >99%, mainly to albumin. Metabolism: Extensively metabolised in the liver via hydroxylation and oxidation by CYP2C8 and CYP3A4 isoenzymes to active (e.g. M-III and M-IV) and inactive metabolites. Excretion: Via urine (15-30%) and faeces, as metabolites. Elimination half-life: Pioglitazone: 3-7 hours; M-III and M-IV metabolites: 16-24 hours. |
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Đặc tính
 Source: National Center for Biotechnology Information. PubChem Compound Summary for CID 4829, Pioglitazone. https://pubchem.ncbi.nlm.nih.gov/compound/Pioglitazone. Accessed Nov. 23, 2023. |
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Bảo quản
Store between 20-25°C. Protect from light, moisture, and humidity.
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Phân loại MIMS
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Phân loại ATC
A10BG03 - pioglitazone ; Belongs to the class of thiazolidinediones. Used in the treatment of diabetes.
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Tài liệu tham khảo
Actos (Takeda Pharmaceutical Co., Ltd.). National Pharmaceutical Regulatory Agency - Ministry of Health Malaysia. https://www.npra.gov.my. Accessed 04/03/2022. Actos 45 mg Tablets (Neon Healthcare Limited). MHRA. https://products.mhra.gov.uk. Accessed 04/03/2022. Anon. Pioglitazone. Lexicomp Online. Hudson, Ohio. Wolters Kluwer Clinical Drug Information, Inc. https://online.lexi.com. Accessed 04/03/2022. Buckingham R (ed). Pioglitazone Hydrochloride. Martindale: The Complete Drug Reference [online]. London. Pharmaceutical Press. https://www.medicinescomplete.com. Accessed 04/03/2022. Joint Formulary Committee. Pioglitazone. British National Formulary [online]. London. BMJ Group and Pharmaceutical Press. https://www.medicinescomplete.com. Accessed 04/03/2022. Mylan New Zealand Ltd. Vexazone, 15 mg, 30 mg & 45 mg Tablets data sheet 16 February 2021. Medsafe. http://www.medsafe.govt.nz. Accessed 04/03/2022. Pioglitazone Hydrochloride (Aurobindo Pharma Limited). DailyMed. Source: U.S. National Library of Medicine. https://dailymed.nlm.nih.gov/dailymed. Accessed 04/03/2022.
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