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Kimmtrak

tebentafusp-tebn
ImmTAC / TCR Bispecific FDA Approved 2022 Immunocore
Route
IV
Half-Life
~8 hrs
FDA Approved
2022
Manufacturer
Immunocore
1. Indications and Usage

HLA-A*02:01-positive adult patients with unresectable or metastatic uveal melanoma. Note: This page redirects to the Kimmtrak page, which contains full prescribing information.

2. Dosage and Administration

20 mcg IV week 1, 30 mcg IV week 2, then 68 mcg IV weekly.

5. Warnings and Precautions

Cytokine Release Syndrome (CRS): Occurs in majority of patients. Skin reactions: Rash common. Elevated liver enzymes. Requires hospitalization/observation for first 3 doses.

6. Adverse Reactions
Most Common Adverse Reactions

CRS (89%), rash (75%), pyrexia (70%), pruritus (61%), fatigue (52%), nausea (42%), chills (38%), hypotension (29%)

Consult the complete prescribing information for a comprehensive list of adverse reactions and their frequencies.

12. Clinical Pharmacology
Mechanism of Action

Tebentafusp is an Immune Mobilizing Monoclonal T Cell Receptor Against Cancer (ImmTAC) consisting of a high-affinity T-cell receptor (TCR) domain that targets a gp100 peptide-HLA-A*02:01 complex on melanoma cells, fused to an anti-CD3 antibody fragment that activates T cells. This redirects T cells to kill gp100-expressing uveal melanoma cells regardless of their native TCR specificity.

Pharmacokinetics

Half-life: ~8 hrs. Route: IV. Refer to the full prescribing information for complete pharmacokinetic data.

14. Clinical Studies
Pivotal Clinical Trials
IMCgp100-202
Tebentafusp vs investigator choice in 1L metastatic uveal melanoma. Phase III, n=378. First therapy to show OS benefit in uveal melanoma.
NCT03070392 ↗

Clinical efficacy and safety data are available in the full prescribing information and referenced publications.

External Resources

Frequently Asked Questions

What is Kimmtrak (tebentafusp-tebn) approved for?

HLA-A*02:01-positive adult patients with unresectable or metastatic uveal melanoma. Note: This page redirects to the Kimmtrak page, which contains full prescribing information.

How does Kimmtrak (tebentafusp-tebn) work?

Tebentafusp is an Immune Mobilizing Monoclonal T Cell Receptor Against Cancer (ImmTAC) consisting of a high-affinity T-cell receptor (TCR) domain that targets a gp100 peptide-HLA-A*02:01 complex on melanoma cells, fused to an anti-CD3 antibody fragment that activates T cells. This redirects T cells to kill gp100-expressing uveal melanoma cells regardless of their native TCR specificity.

What are the most common side effects?

CRS (89%), rash (75%), pyrexia (70%), pruritus (61%), fatigue (52%), nausea (42%), chills (38%), hypotension (29%)

View by Tumor Type
Uveal Melanoma
Medical Disclaimer: This page is intended as a navigational reference to FDA prescribing information. It does not replace the full prescribing information. Healthcare professionals should consult the complete package insert available at DailyMed before making prescribing decisions.