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What happens if you miss a dose of Afamitresgene Autoleucel Injection?

Updated Sep 7, 20262 min readAnswer
On this pageShort answer What to do about a missed treatment visit Common questions Related questions Sources
Short answer

**Afamitresgene autoleucel (Tecelra) is given as a single one-time infusion, so there is no repeat dose for you to miss.**

You do not take this medicine at home, and there is no catch-up dose to make up. What can be missed is an appointment in the treatment sequence: the visit where your T cells are collected, the lymphodepleting chemotherapy given in the days before infusion, the infusion itself, or the follow-up monitoring visits afterward. These steps are timed to work together, so a delay in one usually shifts the others. If illness, transportation, or anything else keeps you from an appointment, call your treatment center the same day so your team can rebuild the schedule. Keep the center's phone number saved in your phone and bring a written copy of your appointment dates to every visit.

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What to do about a missed treatment visit

1Call the center first:If you cannot make any scheduled visit, call your treatment center the same day rather than waiting for the next appointment.
2Do not skip the chemotherapy days:The lymphodepleting chemotherapy given before the infusion is part of the treatment, and missing it can change when the infusion happens.
3Keep the follow-up visits:Monitoring after the infusion checks for fever, low blood counts, confusion, and other effects that need fast treatment.
4Stay close by:Plan to remain near the treatment center for the period your team sets after the infusion, and have someone who can drive you.
5Track the plan in writing:Ask for the dates of cell collection, chemotherapy, infusion, and follow-up on one sheet so nothing gets lost between visits.
6Get help fast:Fever, chills, trouble breathing, severe fatigue, or new confusion after the infusion need same-day medical care, not a wait-and-see approach.

Common questions

What happens if you miss a dose of Afamitresgene Autoleucel Injection?

Afamitresgene autoleucel (Tecelra) is a one-time infusion of your own genetically modified T cells, given at a certified treatment center. There is no daily or weekly dose to take at home and no schedule to catch up on. What can be missed is an appointment in the process: the cell collection visit, the lymphodepleting chemotherapy days before the infusion, the infusion itself, or the required follow-up monitoring. Call your treatment center the same day if you cannot make any of these, because the steps are timed together and your team will reschedule the sequence for you. Stay within reach of the center for the monitoring period your team specifies.

About this page. Written and maintained by the Pymander Health team. Last updated September 7, 2026.

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