• Diabetes

Tzield Generic Name & Formulations

General Description

Teplizumab-mzwv 1mg/mL; soln for IV inj after dilution; preservative-free.

Pharmacological Class

CD3-directed antibody.

How Supplied

Single-dose vials (2mL)—1, 10, 14


Generic Availability


Tzield Indications


To delay onset of Stage 3 type 1 diabetes in patients ≥8yrs with Stage 2 type 1 diabetes. 

Tzield Dosage and Administration

Adults and Children

<8yrs: not established. Confirm Stage 2 type 1 diabetes with ≥2 positive pancreatic islet cell autoantibodies, dysglycemia without overt hyperglycemia using an oral glucose tolerance test. Premedicate for the first 5 days of dosing with an NSAID or APAP, an antihistamine, and/or an antiemetic. Give as IV infusion once daily over ≥30mins. Dosing based on body surface area. ≥8yrs: Day 1: 65mcg/m2; Day 2: 125mcg/m2; Day 3: 250mcg/m2; Day 4: 500mcg/m2; Days 5–14: 1030mcg/m2.

Tzield Contraindications

Not Applicable

Tzield Boxed Warnings

Not Applicable

Tzield Warnings/Precautions


Risk of cytokine release syndrome (CRS). Obtain CBCs and liver tests prior to and during treatment. Discontinue if ALT/AST >5×ULN or bilirubin >3×ULN develops. If severe CRS develops, consider interrupting for 1–2 days or discontinuing treatment. Lymphocytes <1000 lymphocytes/mcL, hemoglobin <10g/dL, platelets <150,000 platelets/mcL, ANC <1500 neutrophils/mcL, ALT/AST >2×ULN, bilirubin >1.5×ULN, acute EBV or CMV infection, active serious or chronic active infection (other than localized skin infections): not recommended. Monitor for infection during and post-treatment; discontinue and treat if serious infection develops. Monitor WBCs; discontinue if severe lymphopenia (<500 cells/mcL lasting ≥1 week) develops. Discontinue if severe hypersentivity reactions occur. Complete all age-appropriate vaccinations prior to initiation. Pregnancy: not recommended (during and ≥30 days prior to planned pregnancy). Nursing mothers: discard breast milk during and for 20 days after treatment.

Tzield Pharmacokinetics




Half-life: 4.5 days.

Tzield Interactions


May interfere with response to vaccine or reduce efficacy. Avoid inactivated or mRNA vaccines within 2 weeks prior to, during, or 6 weeks post-treatment. Avoid live-attenuated vaccines within 8 weeks prior to, during, or up to 52 weeks post-treatment. 

Tzield Adverse Reactions

Adverse Reactions

Lymphopenia, rash, leukopenia, headache; cytokine release syndrome, infections, hypersensitivity reactions.

Tzield Clinical Trials

See Literature

Tzield Note

Not Applicable

Tzield Patient Counseling

See Literature