Bevarest 400mg/16ml & 100mg/4ml
Category: Monoclonal antibody or Anti-angiogenesis drug Bevacizumab is sold under the brand name Bevarest which belongs to vascular endothelial growth factor directed antibody, the main ingredient which is used as bevacizumab. Bevarest consist of human framework regions and murine complementarity-determining regions. Bevarest is a combined human monoclonal antibody IgG1, that predicament to and prohibits the biological activity of human vascular endothelial growth factor (VEGF)
INDICATION
Bevarest is indicated for the treatment :• In combination with 5-fluorouracil chemotherapy administered intravenously, first or second line drug of choice for Metastatic colon or rectal cancer
• Concurrent use with carboplatin and paclitaxel as first line therapy for Non-squamous, non-small cell lung cancer
• Used in the treatment of recurrent Glioblastoma in adults
• Concurrent use with interferon alfa for Metastatic renal cell cancer
• Concurrent use with paclitaxel & cisplatin or paclitaxel & topotecan for Metastatic cervical cancer
• In combination with paclitaxel, pegylated liposomal doxorubicin or topotecan for Epithelial ovarian, fallopian tube or peritoneal cancer.
Key point :
Avoid administrating Bevarest before at least 28 days following surgery and the wound is completely curedMetastatic colorectal carcinoma :
The Bevarest usual dosage by concomitant with 5-fluorouracil based chemotherapy. Bevarest 5mg/kg for every 2 weeks IV in concomitant with bolus IFL Bevarest 10mg/kg for every 2 weeks IV in combination with FOLFOX4 Bevarest 5mg/kg IV for every 2 weeks or Bevarest 7.5 mg/kg as IV every 3 weeks by concurrently take with fluoropyrimidine Irinotecan or fluoropyrimidine oxaliplatin based therapyNon-small cell lung cancer :
The patients regular dosage of Bevarest is 15mg/kg IV for every 3 weeks by interacting with carboplatin and paclitaxelGlioblastoma :
Bevarest 10mg/kg administered IV for every 2 weeksMetastatic renal cell cancer :
Concurrent use with interferon alfa: The usual dose of Bevarest is 10mg/kg IV for every 2 weeks
Metastatic cervical cancer : The usual dose of Bevarest; Bevarest 15mg/kg given intravenously for every 3 weeks by combining with paclitaxel and cisplatin or with paclitaxel and topotecan
Epithelial ovarian, fallopian tube or peritoneal cancer :
The usual dose of Bevarest for Platinum opposing:; 10mg/kg of Bevarest for every 2 weeks by concurrent use with paclitaxel, pegylated liposomal doxorubicin or topotecan Or The regular dosage of Bevarest; 15mg/kg of Bevarest given through IV for every 3 weeks by combining with topotecan The usual dose of Bevarest for Platinum responsive; 15mg/kg given IV for 3 weeks in concomitant with carboplatin and paclitaxel for 6 to 8 cycles The recommended dosage of Bevarest; 15mg/kg of Bevarest given IV for 3 weeks by combining with gemcitabine & carboplatin for 6 to 10 cycles.
PHARMACOKINETICS:
The pharmacokinetic form of Bevarest is assayed by measuring total serum Bevacizumab concentration.Distribution:
The volume of distribution is 2.9 (22%) L
Elimination:
The terminal half life period of Bevacizumab is 20days (11 to 50days)
MECHANISM:
Bevarest constitute an active ingredient like Bevacizumab which joined to VEGF and will not have communication of VEGF to its receptors like Flt-1 & KDR that present on the surface of the cells. While this interaction inhibits endothelial cell proliferation and new blood vessel production occurs Hence in counts discontinuation of metastatic tumor cells growth happens.STORAGE
Bevarest vial should be stored at 2 to 8℃ (36 to 46℉) Single use vial Discard the left out medicine under guidance of pharmacist
PRECAUTION:
Caution with use in the conditions like;Previously If you have taking or ever had DPD (dihydropyrimidine dehydrogenase) deficiency of enzyme . Inform the doctor about this then your doctor may preferably inform you avoid taking Bevarest. Discuss with the doctor that you have or have ever had renal, hepatic, or cardiac problem Discuss with the doctor that are you pregnant or plan to become pregnant. Avoid planning to have children while on treatment with Bevarest. You should use a essential method of conceiving to prevent pregnancy in yourself or your partner during your treatment with Bevarest. The drug will harm the fetus. Avoid breast feeding while on treatment with Bevarest While using Bevarest these are some other complications occurred during therapy, care should be taken Hypertension Posterior reversible encephalopathy syndrome Gastrointestinal perforations Wound healing complications Hemorrhage Arterial thromboembolic events Venous thromboembolic events Embryo fetal toxicity occurs.
DRUG INTERACTION:
If you missed a dose take it as soon as possible, if time reach for next dose, While interaction of Bevarest with paclitaxel & Carboplatin, leads to lowering in exposure of paclitaxel after four cycles of therapy. Interaction of Bevarest with paclitaxel & Carboplatin leads to increase the paclitaxel exposure at day 6MISSED DOSE:
If patient fail to take the dose or missed the cycle means must consult with oncologist and follow the regular dosing schedule Do not take overdoseSIDE EFFECTS:
Gastrointestinal perforation and fistulaeSurgery and wound healing complication
Hemorrhage
Arterial thromboembolic events
Venous thromboembolic events
Hypertension
Posterior reversible encephalopathy syndrome
Renal injury & Proteinuria
Infusion reactions
Ovarian failure
Congestive heart failure
Neutropenia, mucosal inflammation, infection, neuropathy, Epistaxis, erythrodysaesthesia.
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