Bortezomib


Thông tin thuốc gốc
Chỉ định và Liều dùng
Intravenous, Subcutaneous
Multiple myeloma
Adult: Previously untreated patients who are not eligible for haematopoietic stem cell transplantation: In combination with melphalan and prednisone: Initially, 1.3 mg/m2 on days 1, 4, 8, 11, 22, 25, 29 and 32 of a 42-day cycle for 4 cycles then 1.3 mg/m2 on days 1, 8, 22 and 29 for 5 cycles. Previously untreated patients who are eligible for haematopoietic stem cell transplantation: In combination with dexamethasone: 1.3 mg/m2 on days 1, 4, 8 and 11 of a 21-day cycle for 4 cycles. In combination with dexamethasone and thalidomide: 1.3 mg/m2 on days 1, 4, 8 and 11 in a 28-day treatment cycle for 4 cycles. In patients with progressive case who have received at least 1 prior therapy: Monotherapy: 1.3 mg/m2 on days 1, 4, 8 and 11 of a 21-day cycle; additional 2 cycles is given to patients with complete response while those who respond but do not achieve complete remission receive a total of 8 cycles. Combination therapy with pegylated liposomal doxorubicin: 1.3 mg/m2 on days 1, 4, 8 and 11 of a 21-day cycle; at least 2 additional cycles may be given to patients with complete response while those whose levels of paraprotein continue to decrease after 8 cycles may continue treatment according to response and tolerance. Combination therapy with dexamethasone: 1.3 mg/m on days 1, 4, 8 and 11 of a 21-day cycle. Patients achieving response or stable disease after 4 cycles can continue to receive the same combination for a Max of 4 additional cycles. Doses may be given either via SC inj or (after dilution) as a 3-5 seconds bolus IV inj. Observe at least 72-hour interval between consecutive doses. Dose reduction or dosing interruption may be required according to individual safety or tolerability. Treatment guidelines may vary among countries or individual products. Refer to country- or product-specific recommendations.

Intravenous, Subcutaneous
Mantle cell lymphoma
Adult: Previously untreated patients who are not eligible for haematopoietic stem cell transplantation, in combination with rituximab, cyclophosphamide, doxorubicin and prednisone: Initial bolus doses of 1.3 mg/m2 on days 1, 4, 8 and 11 of a 21-day cycle for 6 cycles; additional 2 cycles may be given in patients with a response 1st documented at cycle 6. Doses may be given via SC inj or (after dilution) as a 3-5 second bolus IV inj. Observe at least 72-hour interval between consecutive doses. Dose reduction or dosing interruption may be required according to individual safety or tolerability. Treatment guidelines may vary among countries or individual products. Refer to country- or product-specific recommendations.
Hepatic Impairment
Moderate to severe: Reduce dose in the 1st cycle to 0.7 mg/m2; subsequent cycles may be increased up to 1 mg/m2 or reduced to 0.5 mg/m2 based on tolerability.
Hướng dẫn pha thuốc
IV: Reconstitute each vial containing 3.5 mg with 3.5 mL of NaCl 0.9% to a concentration of 1 mg/mL. SC: Reconstitute each vial containing 3.5 mg with 1.4 mL of NaCl 0.9% to a concentration of 2.5 mg/mL; if inj site reaction occurs, 1 mg/mL concentration may be used.
Chống chỉ định
Acute diffuse infiltrative pulmonary disease and pericardial disease. Pregnancy and lactation.
Thận trọng
Patient with hypotension, cardiac disease, peripheral neuropathy, diabetes, dehydration. Not intended for intrathecal administration. Moderate to severe hepatic impairment (bilirubin >1.5 times the upper limit of normal with any AST concentration).
Phản ứng phụ
Significant: Neutropenia, thrombocytopenia, anaemia, peripheral neuropathy, seizures, hypotension (including orthostatic or postural hypotension), congestive heart failure, tumour lysis syndrome, decreased LVEF, diarrhoea or constipation, nausea, vomiting, herpes zoster virus reactivation, gastrointestinal or intracerebral haemorrhage, serum-sickness-type reaction, polyarthritis with rash, proliferative glomerulonephritis. Rarely, acute hepatic failure, posterior reversible leucoencephalopathy syndrome.
Blood and lymphatic system disorders: Leucopenia, lymphopenia, febrile neutropenia.
Cardiac disorders: Arrhythmia, cardiac fibrillation, myocardial ischaemia.
Ear and labyrinth disorders: Dysacusis.
Eye disorders: Abnormal vision, conjunctivitis, eye swelling.
Gastrointestinal disorders: Dyspepsia, dysphagia, abdominal pain or distension, flatulence, gastritis, stomatitis, dysgeusia, oropharyngeal pain, oral ulceration.
General disorders and administration site conditions: Asthenia, chills, lethargy, pain, pyrexia, fatigue, malaise, inj site reaction.
Hepatobiliary disorders: Hepatitis, hyperbilirubinaemia.
Immune system disorders: Hypersensitivity.
Infections and infestations: Herpes simplex, bacterial or fungal infection.
Investigations: Abnormal glucose and hepatic enzyme levels, decreased or increased weight.
Metabolism and nutrition disorders: Decreased appetite, dehydration, diabetes mellitus, fluid retention, hypocalcaemia, hypokalaemia, hyponatraemia.
Musculoskeletal and connective tissue disorders: Myalgia, musculoskeletal pain, muscle weakness or spasm, pain in extremities.
Nervous system disorders: Headache, vertigo, paraesthesia, dysaesthesia, neuralgia, motor neuropathy, loss of consciousness.
Psychiatric disorders: Anxiety, sleep or mood disorders.
Renal and urinary disorders: Renal impairment, UTI.
Respiratory, thoracic and mediastinal disorders: Dyspnoea, epistaxis, cough, hiccups, respiratory tract infection.
Skin and subcutaneous tissue disorders: Rash, dry skin, dermatitis, erythema, hair disorder, pruritus.
Vascular disorders: Hypertension.
Potentially Fatal: Acute respiratory distress syndrome, interstitial pneumonia, pneumonitis, lung infiltrates, thrombotic microangiopathy, progressive multifocal leucoencephalopathy.
IV/Parenteral/SC: D
Thông tin tư vấn bệnh nhân
This drug may cause, dizziness, fatigue, orthostatic/postural hypotension, syncope or blurred vision, if affected, do not drive or operate machinery.
Monitoring Parameters
Monitor CBC, blood glucose levels. Assess for signs/symptoms of peripheral neuropathy.
Tương tác
Increased exposure with potent CYP3A4 inhibitors (e.g. ritonavir, ketoconazole). Decreased exposure with potent CYP3A4 inducers (e.g. carbamazepine, rifampicin). May alter the effects of oral hypoglycaemics.
Food Interaction
Decreased exposure with St. John’s wort.
Tác dụng
Description: Bortezomib reversibly inhibits the chymotrypsin-like activity of the 26S proteasome, a large protein complex in cells that is responsible for maintaining homeostasis within cells. This results in the disruption of normal homeostatic mechanisms leading to cell cycle arrest, and apoptosis.
Pharmacokinetics:
Distribution: Widely distributed to peripheral tissues. Volume of distribution: Approx 498-1,884 L/m2. Plasma protein binding: Approx 83%.
Metabolism: Metabolised in the liver via oxidation mainly by CYP3A4, CYP2C19, and CYP1A2, with minor metabolism by CYP2D6 and CYP2C9; forms inactive metabolites via deboronation followed by hydroxylation.
Excretion: Elimination half-life: IV: Single dose: 9-15 hours; Multiple dosing: 1 mg/m2: 40-193 hours; 1.3 mg/m2: 76-108 hours.
Đặc tính

Chemical Structure Image
Bortezomib

Source: National Center for Biotechnology Information. PubChem Compound Summary for CID 387447, Bortezomib. https://pubchem.ncbi.nlm.nih.gov/compound/Bortezomib. Accessed Dec. 21, 2020.

Bảo quản
Store between 20-25°C or between 2-8°C. Storage recommendations vary among countries or individual products. Refer to specific product guidelines. Protect from light. This is a cytotoxic drug. Follow applicable procedures for receiving, handling, administration, and disposal.
Phân loại MIMS
Phân loại ATC
L01XG01 - bortezomib ; Belongs to the class of proteasome inhibitors. Used in the treatment of cancer.
References
Anon. Bortezomib. Lexicomp Online. Hudson, Ohio. Wolters Kluwer Clinical Drug Information, Inc. https://online.lexi.com. Accessed 19/06/2020.

Bortezomib STADA 2.5 mg/mL Solution for Injection (Thornton & Ross Ltd.). MHRA. https://products.mhra.gov.uk/. Accessed 19/06/2020.

Buckingham R (ed). Bortezomib. Martindale: The Complete Drug Reference [online]. London. Pharmaceutical Press. https://www.medicinescomplete.com. Accessed 19/06/2020.

Joint Formulary Committee. Bortezomib. British National Formulary [online]. London. BMJ Group and Pharmaceutical Press. https://www.medicinescomplete.com. Accessed 19/06/2020.

Velcade Injection, Powder, Lyophilized, for Solution (Millennium Pharmaceuticals, Inc.). DailyMed. Source: U.S. National Library of Medicine. https://dailymed.nlm.nih.gov/dailymed/. Accessed 19/06/2020.

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