WELIDX (Belzutifan)

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  • Model Number:
    RL3020241030
  • Brand Name:
    WELIDX
  • Origin:
    Generic drug,Laos
  • Small Orders:
    Small batches also available
  • Tags:
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Poster
  • Details
  • Description
  • Packaging Size
    90tablets
  • Strength
    40mg
  • Compositon
    Belzutifan
  • Treatment
    Von Hippel-Lindau Disease(VHL),Renal Cell Carcinoma(RCC)
  • Form
    tablet
  • Brand
    WELIDX
  • Quantity Unit
    40mg*90t/bottle
  • Manufacturer
    BIGBEAR Pharma,Laos PDR

About  Belzutifan

Belzutifan is an hypoxia-inducible factor-2 alpha inhibitor. 

Belzutifan is used to treat von Hippel-Lindau (VHL) disease in patients who need treatment for kidney cancer (renal cell carcinoma), brain and spinal cord tumors (CNS hemangioblastomas), or pancreatic cancer (pancreatic neuroendocrine tumor [pNET]) that do not require surgery right away.

Von Hippel-Lindau Disease

Indicated for adults with von Hippel-Lindau (VHL) disease who require therapy for associated renal cell carcinoma, CNS hemangioblastomas, or pancreatic neuroendocrine tumors, not requiring immediate surgery

120 mg PO qDay

Continue until disease progression or unacceptable toxicity

Renal Cell Carcinoma

Indicated for advanced renal cell carcinoma (RCC) following a programmed death receptor-1 (PD-1) or PD-ligand 1 (PD-L1) inhibitor and a vascular endothelial growth factor tyrosine kinase inhibitor (VEGF-TKI)

120 mg PO qDay

Continue until disease progression or unacceptable toxicity

Dosage Modifications

Dose reductions for adverse reactions

  • First dose reduction: 80 mg PO qDay
  • Second dose reduction: 40 mg PO qDay
  • Third dose reduction: Permanently discontinue

Anemia

  • Hemoglobin <9 g/dL or transfusion indicated: Withhold until hemoglobin ≥8 g/dL; resume at same or reduced dose; or discontinue depending on severity of anemia
  • Life-threatening or urgent intervention indicated: Withhold until hemoglobin ≥8 g/dL; resume at a reduced dose or permanently discontinue

Hypoxia

  • Decreased oxygen saturation with exercise (eg, pulse oximeter <88%): Consider withholding until resolved; resume at same dose or at reduced dose depending on severity
  • Decreased oxygen saturation at rest (eg, pulse oximeter <88% or PaO2 ≤55 mm Hg) or urgent intervention indicated: Withhold until resolved; resume at reduced dose or discontinue depending on severity
  • Life-threatening or recurrent symptomatic hypoxia: Permanently discontinue

Other adverse reactions

Grade 3: Withhold until resolved to Grade ≤2; consider resuming at a reduced dose (reduce by 40 mg)

Recurrent Grade 3 or Grade 4: Permanently discontinue

Renal impairment

  • Mild-to-moderate (eGFR 30-89 mL/min/1.73 m2): No dosage adjustment necessary
  • Severe (eGFR 15-29 mL/min/1.73 m2): Not studied

Hepatic impairment

  • Mild (total bilirubin [TB] ≤ULN and AST >ULN or TB >1 to 1.5x ULN and any AST): No dosage adjustment necessary
  • Moderate-to-severe hepatic impairment (TB >1.5x ULN and any AST): Not studied

Dosing Considerations

Verify pregnancy status in females of childbearing potential before initiation

Closely monitor for adverse reactions in patients who are dual UGT2B17 and CYP2C19 poor metabolizers


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