Netupitant + Palonosetron

Thông tin thuốc gốc
Chỉ định và Liều dùng
Prophylaxis of chemotherapy-induced nausea and vomiting
Adult: Available preparation:
Netupitant 300 mg and palonosetron 0.5 mg
1 cap approx 1 hour prior to initiation of each chemotherapy cycle.
Suy thận
Severe or ESRD: Contraindicated.
Suy gan
Severe (Child-Pugh score >9): Contraindicated.
Chống chỉ định
Severe hepatic and renal (including ESRD) impairment. Pregnancy and lactation.
Thận trọng
Patient with history of constipation or signs of subacute intestinal obstruction; history of QT prolongation, CHF, bradyarrhythmia, electrolyte abnormalities, and conduction disturbance.
Tác dụng không mong muốn
Significant: Hypersensitivity (including anaphylaxis), constipation with faecal impaction.
Blood and lymphatic system disorders: Neutropenia, leucocytosis.
Cardiac disorders: Cardiomyopathy, bundle branch block, atrio-ventricular block, conduction disorder.
Gastrointestinal disorders: Dyspepsia, abdominal distension, abdominal pain, flatulence, nausea, hiccups, diarrhoea.
General disorders and administration site conditions: Fatigue, asthenia.
Investigations: Increased hepatic transaminases, blood alkaline phosphatase, creatine phosphokinase, and creatinine; prolonged QT interval, abnormal ST-T segment.
Metabolism and nutrition disorders: Decreased appetite.
Musculoskeletal and connective tissue disorders: Weakness.
Nervous system disorders: Headache, dizziness, vertigo.
Psychiatric disorders: Somnolence, insomnia.
Skin and subcutaneous tissue disorders: Erythema, alopecia, urticaria.
Vascular disorders: Hypertension.
Potentially Fatal: Serotonin syndrome.
Thông tin tư vấn bệnh nhân
This drug may cause fatigue, dizziness, and somnolence, if affected, do not drive or operate machinery.
Chỉ số theo dõi
Monitor for signs of serotonin syndrome (e.g. mental status and neuromuscular changes, autonomic instability, gastrointestinal symptoms). Obtain liver and renal function. Perform pregnancy test on all pre-menopausal women prior to treatment.
Tương tác
Increased risk of serotonin syndrome with SSRIs and SNRIs.
Netupitant: Plasma concentration is increased by CYP3A4 inhibitors (e.g. ketoconazole) and decreased by CYP3A4 inducers (e.g. rifampicin). Increases exposure to dexamethasone, etoposide, docetaxel, midazolam, erythromycin.
Tác dụng
Description: Netupitant is a selective human substance P/neurokinin (NK1) receptor antagonist which increases the antiemetic activity of 5-HT3 receptor antagonists and corticosteroids, thereby inhibiting acute and delayed emesis associated with chemotherapy.
Palonosetron is a selective 5-HT3 receptor antagonist which blocks serotonin on peripheral vagal nerve terminals in the periphery and centrally in the chemoreceptor trigger zone.
Absorption: Netupitant: Time to peak plasma concentration: Approx 5 hours.
Palonosetron: Well absorbed. Absolute bioavailability: Approx 97%.
Distribution: Netupitant: Volume of distribution: 1,982 ± 906 L. Plasma protein binding: >99.5% (netupitant); >97% (major metabolites).
Palonosetron: Volume of distribution: 8.3 ± 2.5 L/kg. Plasma protein binding: Approx 62%.
Metabolism: Netupitant: Extensively metabolised in the liver mainly by CYP3A4, and to a lesser extent by CYP2C9 and CYP2D6, to form active metabolites M1, M2, and M3.
Palonosetron: Metabolised by CYP2D6, CYP3A4, and CYP1A2 to form inactive metabolites N-oxide-palonosetron and 6-S-hydroxy-palonosetron.
Excretion: Netupitant: Mainly via faeces (approx 71%); urine (approx 4%). Elimination half-life: 80 ± 29 hours.
Palonosetron: Mainly via urine (85-93%, 40% as unchanged drug); faeces (5-8%). Elimination half-life: 48 ± 19 hours.
Đặc tính

Chemical Structure Image

Source: National Center for Biotechnology Information. PubChem Database. Netupitant, CID=6451149, (accessed on Jan. 22, 2020)

Chemical Structure Image

Source: National Center for Biotechnology Information. PubChem Database. Palonosetron, CID=6337614, (accessed on Jan. 22, 2020)

Bảo quản
Store between 20-25°C.
Phân loại MIMS
Thuốc chống nôn
Phân loại ATC
A04AA55 - palonosetron, combinations ; Belongs to the class of serotonin (5HT3) antagonists. Used for the prevention of nausea and vomiting.
Tài liệu tham khảo
Akynzeo Capsule (Eisai Inc.). DailyMed. Source: U.S. National Library of Medicine. Accessed 30/01/2018.

Anon. Netupitant and Palonosetron. Lexicomp Online. Hudson, Ohio. Wolters Kluwer Clinical Drug Information, Inc. Accessed 30/01/2018.

Buckingham R (ed). Netupitant. Martindale: The Complete Drug Reference [online]. London. Pharmaceutical Press. Accessed 30/01/2018.

Buckingham R (ed). Palonosetron Hydrochloride. Martindale: The Complete Drug Reference [online]. London. Pharmaceutical Press. Accessed 30/01/2018.

Joint Formulary Committee. Palonosetron with Netupitant. British National Formulary [online]. London. BMJ Group and Pharmaceutical Press. Accessed 30/01/2018.

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