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Casgevy

Casgevy Dosage

Ally Tsai, PharmDKristianne Hannemann, PharmD
Reviewed by Ally Tsai, PharmD, Kristianne Hannemann, PharmD
Last reviewed on December 11, 2025

Typical dosage for Casgevy

Casgevy is usually given at a qualified treatment center or in a hospital. Your hematologist will choose your dose based on your weight. The treatment process takes several stages:

  • Cell collection and manufacturing: Your stem cells are collected and sent to a lab where they're made into Casgevy that's specific for you. This part of the process can take up to 6 months.
  • Conditioning: You'll receive chemotherapy to prepare your body to receive Casgevy.
  • Infusion: Your care team will infuse Casgevy through a vein as a one-time infusion.

After treatment, you'll stay in the hospital for about 4 to 6 weeks so your care team can monitor your recovery and watch for side effects.

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