{"id":55591,"date":"2021-09-18T14:55:11","date_gmt":"2021-09-18T18:55:11","guid":{"rendered":"https:\/\/www.med.unc.edu\/medicine\/?p=55591"},"modified":"2023-06-06T18:15:03","modified_gmt":"2023-06-06T22:15:03","slug":"immunotherapy-after-high-dose-chemotherapy-leads-to-favorable-outcomes-in-acute-myeloid-leukemia","status":"publish","type":"post","link":"https:\/\/www.med.unc.edu\/medicine\/news\/immunotherapy-after-high-dose-chemotherapy-leads-to-favorable-outcomes-in-acute-myeloid-leukemia\/","title":{"rendered":"Immunotherapy After High-Dose Chemotherapy Leads to Favorable Outcomes in Acute Myeloid Leukemia"},"content":{"rendered":"
\"josh-zeidner-1024x683\"
Joshua Zeidner, MD<\/figcaption><\/figure>\n

A clinical trial conducted at UNC Lineberger Comprehensive Cancer Center and Johns Hopkins Sidney Kimmel Comprehensive Cancer Center found that high-dose cytarabine followed by subsequent immunotherapy treatment with pembrolizumab benefited patients with resistant or relapsed acute myeloid leukemia (AML), a highly aggressive cancer.<\/p>\n

The findings were published in Blood Cancer Discovery<\/a>, <\/em>a journal of the American Association for Cancer Research.<\/p>\n

The phase II trial enrolled 37 patients under age 70. They received high-dose injections of cytarabine followed by intravenous pembrolizumab two weeks later to examine whether clinical responses can be improved with the addition of pembrolizumab. At the primary endpoint of the trial, 14 people (38 percent) had a complete remission of their cancer.<\/p>\n

These results compare favorably to remission rates seen with high-dose cytarabine and other chemotherapy regimens in resistant or relapsed AML. Even better, in patients who had not benefited from standard therapy and received high-dose cytarabine followed by pembrolizumab in their second overall treatment phase, 46 percent of trial enrollees achieved complete remission with the one-two punch, suggesting this treatment might be best early in the course of their disease. Serious side-effects were rare and limited.<\/p>\n

\"serody_garden-1-1024x683\"
Jonathan Serody, MD<\/figcaption><\/figure>\n

\u201cImmunotherapy has led to a paradigm shift in treating cancer, but AML has lagged behind other cancers despite extensive data that it may be effective,\u201d said Joshua Zeidner, MD,<\/a> associate professor of medicine in the division of hematology, chief of Leukemia Research at UNC Lineberger and corresponding author of this study. \u201cOur study is the first clinical trial to investigate the role of pembrolizumab in combination with intensive chemotherapy in patients with AML that relapses or is resistant to therapy.\u201d<\/p>\n

While five-year survival for AML has risen from about six percent in 1975 to nearly 30 percent today, survival at advanced stages of the disease remains poor. Patients whose cancer does not respond to aggressive treatment or becomes resistant to chemotherapy generally have life expectancies measured in months, making the search for better therapies a pressing need.<\/p>\n

\u201cOverall, trial participants lived for a median of nearly one year after their therapy, which is significant in comparison to previous benefits seen from chemotherapy alone, which resulted in median survival of six to seven months,\u201d said Zeidner.<\/p>\n

In addition to finding benefit for chemotherapy followed by immunotherapy, the clinicians found that a specific type of immune-system cell, known as a T cell, was prevalent prior to treatment. Treatment benefit correlated with the function of these T cells as a certain population of T cells were possibly able to be reinvigorated by pembrolizumab. The presence of these T cells may be able to predict which patients derive benefit from pembrolizumab in AML. Also, different gene pathways were more prevalent in leukemia cells in those who responded to pembrolizumab, suggesting that these genes could serve as potential biomarkers to predict response.<\/p>\n

\u201cWe hope that these study results will lead to a clinical trial of chemotherapy with or without immunotherapy. We also hope to identify robust biomarkers of response to immunotherapy that can be incorporated into future study designs,\u201d said Jonathan S. Serody, MD<\/a>, Elizabeth Thomas Professor of Medicine, chief of the division of hematology, and director of the Cellular Therapy Program at UNC Lineberger, one of the study\u2019s senior authors. \u201cAdditionally, we are planning to incorporate our results into a larger, multi-institutional analysis of predictive biomarkers and characteristics of response to immunotherapy in AML.\u201d<\/p>\n

Read more from Lineberger<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

A clinical trial conducted at UNC Lineberger Comprehensive Cancer Center and Johns Hopkins Sidney Kimmel Comprehensive Cancer Center found that high-dose cytarabine followed by subsequent immunotherapy treatment with pembrolizumab benefited patients with resistant or relapsed acute myeloid leukemia (AML), a highly aggressive cancer. The findings were published in Blood Cancer Discovery, a journal of the … Read more<\/a><\/p>\n","protected":false},"author":69419,"featured_media":55595,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"layout":"","cellInformation":"","apiCallInformation":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[520,2],"tags":[630],"class_list":["post-55591","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hematology","category-news","tag-630","odd"],"acf":[],"yoast_head":"\nImmunotherapy After High-Dose Chemotherapy Leads to Favorable Outcomes in Acute Myeloid Leukemia | Department of Medicine<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.med.unc.edu\/medicine\/news\/immunotherapy-after-high-dose-chemotherapy-leads-to-favorable-outcomes-in-acute-myeloid-leukemia\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Immunotherapy After High-Dose Chemotherapy Leads to Favorable Outcomes in Acute Myeloid Leukemia | Department of Medicine\" \/>\n<meta property=\"og:description\" content=\"A clinical trial conducted at UNC Lineberger Comprehensive Cancer Center and Johns Hopkins Sidney Kimmel Comprehensive Cancer Center found that high-dose cytarabine followed by subsequent immunotherapy treatment with pembrolizumab benefited patients with resistant or relapsed acute myeloid leukemia (AML), a highly aggressive cancer. 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