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. 2023 Aug 28;27(4):277–285. doi: 10.4103/ijem.ijem_78_23

Table 4.

Prescribing information for Teplizumab49

Indication: Teplizumab is a CD3-directed antibody indicated to delay the onset of Stage 3 type 1 diabetes (T1D) in adults and pediatric patients aged 8 years and older with Stage 2 T1D.
Investigation before use: It is advisable to obtain a complete blood count and liver enzymes tests, prior to the initiation of teplizumab.
Premedicate with:
 1) Nonsteroidal anti-inflammatory drug (NSAID) or acetaminophen,
 2) An antihistamine, and/or
 3) An antiemetic before each teplizumab dose for at least the first 5 days of the 14-day treatment course.
Warnings And Precautions:
• Use of teplizumab is not recommended in patients with
 1) Lymphocyte count less than 1,000 lymphocytes/mcL
 2) Hemoglobin less than 10 g/dL
 3) Platelet count less than 150,000 platelets/mcL
 4) Absolute neutrophil count less than 1,500 neutrophils/mcL
 5) Elevated ALT or AST more than 2 times the upper limit of normal (ULN) or bilirubin more than 1.5 times ULN
 6) Laboratory or clinical evidence of acute infection with Epstein-Barr virus (EBV) or cytomegalovirus (CMV)
 7) Any active serious infection or chronic active infection (other than localized skin infections)
• Administer all age-appropriate vaccinations prior to starting teplizumab
 1) Administer live-attenuated (live) vaccines at least 8 weeks prior to treatment.
 2) Administer inactivated (killed) vaccines or mRNA vaccines at least 2 weeks prior to treatment.
Recommended Dosage and Administration Intravenous infusion administration of teplizumab (over a minimum of 30 minutes), using a body surface area-based dosing, once daily for 14 consecutive days as follows:
 • Day 1: 65 mcg/m2
 • Day 2: 125 mcg/m2
 • Day 3: 250 mcg/m2
 • Day 4: 500 mcg/m2
 • Days 5 through 14: 1,030 mcg/m2
Do not administer two doses on the same day.
Recommendations Regarding Missed Dose (s): Resume dosing by administering all remaining doses on consecutive days to complete the 14-day treatment course if a planned teplizumab infusion is missed.
Adverse Reactions: Most common adverse reactions (>10%) were lymphopenia, rash, leukopenia and headache, cytokine release syndrome and serious infections.