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What Is Jemperli?

Jemperli is a prescription programmed death receptor-1 blocking antibody containing dostarlimab. Current labeling includes primary advanced or recurrent endometrial cancer in combination with carboplatin and paclitaxel, selected mismatch repair deficient recurrent or advanced endometrial cancer as monotherapy, and selected dMMR recurrent or advanced solid tumors.

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What Is Jemperli?

Jemperli is a prescription programmed death receptor-1 blocking antibody containing dostarlimab. Current labeling includes primary advanced or recurrent endometrial cancer in combination with carboplatin and paclitaxel, selected mismatch repair deficient recurrent or advanced endometrial cancer as monotherapy, and selected dMMR recurrent or advanced solid tumors.

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How Does Jemperli Block PD-1?

Dostarlimab binds to the PD-1 receptor and blocks its interaction with PD-L1 and PD-L2. This reduces inhibitory signaling to T cells and increases immune activity against susceptible tumor cells.

Who Is Treated With Jemperli?

Jemperli is used in adults with primary advanced or recurrent endometrial cancer in combination with carboplatin and paclitaxel followed by Jemperli alone. Monotherapy is used for selected dMMR recurrent or advanced endometrial cancer and selected dMMR recurrent or advanced solid tumors after prior treatment under current labeling.

How Is Jemperli Dosed?

For primary advanced or recurrent endometrial cancer, Jemperli is given as 500 mg by intravenous infusion every three weeks for six cycles with carboplatin and paclitaxel, followed by 1000 mg every six weeks. Monotherapy regimens use 500 mg every three weeks for four cycles followed by 1000 mg every six weeks. Each infusion is given over 30 minutes.

What Serious Risks Are Linked to Jemperli?

Jemperli can cause severe or fatal immune-mediated reactions affecting organs including the lungs, colon, liver, endocrine glands, kidneys, skin, heart, and nervous system. Other serious concerns include infusion reactions, complications after allogeneic stem cell transplantation, and fetal harm. Severe toxicity can require treatment interruption or permanent discontinuation.

Frequently Asked Questions About Jemperli

What cancers does Jemperli treat?

Current labeling includes primary advanced or recurrent endometrial cancer and selected mismatch repair deficient recurrent or advanced cancers.

How is Jemperli administered?

Jemperli is given by intravenous infusion over 30 minutes.

What is the monotherapy dosing schedule?

Monotherapy uses 500 mg every three weeks for four cycles followed by 1000 mg every six weeks.

Can Jemperli cause immune-related reactions?

Yes. Immune-mediated reactions can affect several organs and can become severe or fatal.

References

Dostarlimab for Primary Advanced or Recurrent Endometrial Cancer. https://pubmed.ncbi.nlm.nih.gov/36972026/. Date Accessed October 6, 2026.

Dostarlimab-gxly Injection: MedlinePlus Drug Information. https://medlineplus.gov/druginfo/meds/a621030.html. Date Accessed October 6, 2026.

FDA Expands Endometrial Cancer Indication for Dostarlimab-gxly With Chemotherapy. https://www.fda.gov/drugs/resources-information-approved-drugs/fda-expands-endometrial-cancer-indication-dostarlimab-gxly-chemotherapy. Date Accessed October 6, 2026.

JEMPERLI (Dostarlimab-gxly) Prescribing Information. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=095eab9f-545a-4f12-bfb7-19477fb901a5. Date Accessed October 6, 2026.

Safety and Antitumor Activity of the Anti-PD-1 Monoclonal Antibody Dostarlimab for Patients With Advanced or Recurrent Endometrial Cancer: Interim Results From GARNET. https://pubmed.ncbi.nlm.nih.gov/35064011/. Date Accessed October 6, 2026.