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Novel Agents Show Impressive Activity in Hodgkin Lymphoma

Angelica Welch
Published: Friday, Oct 27, 2017

Jane N. Winter, MD
Jane N. Winter, MD
The recent breakthrough designation of brentuximab vedotin (Adcetris) for the first-line treatment of patients with classical Hodgkin lymphoma could potentially allow for another option for select populations, such as elderly patients, who have demonstrated promising responses.

In the ECHELON-1 trial, the combination of brentuximab vedotin plus AVD (adriamycin, vinblastine, and dacarbazine) (AVD) reduced the risk of disease progression or death by 23% (HR, 0.770; P = .035). Two-year overall survival data favored the combination when compared to with ABVD (adriamycin, bleomycin, vinblastine, and dacarbazine (ABVD)) in an interim analysis.

Immunotherapy agents have also been displaying efficacious results in patients with classical Hodgkin lymphoma, with ongoing trials ofFDA-approved PD-1 inhibitors pembrolizumab (Keytruda) and nivolumab (Opdivo) producing promising results.

“We have identified the fact that Hodgkin lymphoma is genetically poised to be sensitive to checkpoint inhibition,” said Jane N. Winter, MD.

During a presentation at the 2017 OncLive® State of the Science SummitTM on Hematologic Malignancies, Winter, professor of medicine, Division of Hematology/Oncology, Feinberg School of Medicine at Northwestern University, discussed immunotherapy in the treatment of patients with Hodgkin lymphoma.

In an interview during the meeting, Winter shared her insight on the progress of the above-mentioned agents, emphasizing the importance of clinical trials in this disease.

OncLive®: Can you please give an overview of your presentation on immunotherapy in Hodgkin lymphoma?

Winter: For Hodgkin lymphoma, we have new agents that are available. Recently, we have been trying to balance long-term toxicities as well as acute toxicities with efficacy. There is a long way to go, particularly for some subgroups of patients, and especially for the elderly. The overall outcomes for patients over the age of 60 are poor, with approximately 50% only surviving 5 years with conventional therapy. Also, for younger patients, there are unmet needs with many patients failing upfront and salvage therapy. The So much so that the issue of increased efficacy in the frontline setting, as well as the issue of reducing long-term toxicities, including secondary malignancies, and cardiovascular disease, are foremost in our consideration.

Checkpoint inhibition is well known to those wwho treat patients with ho create solid tumors, and only more recently to those of us who treat those with hematologic malignancies. It has been recognized that tumors dampen the immune response through the PD-1/PD-L1/PD-L2 axis, and that it is possible to intercept that pathway with antibodies. Uniquely, Hodgkin lymphoma, through a genetic abnormality, is especially sensitive to this strategy. The over expression of PD-L1 and PD-L2 ligand is a result of amplification that occurs genetically, and interception with an anti–-PD-1 antibody has shown to be exceptionally effective. Phase I and II studies have now shown that response rates are very high in relapsed patients, both those who have failed upfront therapy as well as those that who have relapsed after autologous stem cell transplant (ASCT). Often, these are patients who have previously been treated with brentuximab vedotin. 

Brentuximab vedotin is a new kid on the block. It has been given breakthrough status for upfront therapy in combination with chemotherapy for Hodgkin lymphoma. This agent has been approved for some time now for treatment post-ASCT for patients who relapse, as well as for those who are not eligible for ASCT. It is a new alternative to conventional therapy, or something that can be added to conventional therapy—as demonstrated in the recent ECHELON-1 study. 

Checkpoint inhibition provides us with an alternative approach for treating patients. Going forward, we hope to be able to capitalize on the use of 2 new strategies for the treatment of patients with Hodgkin lymphoma. Specifically, in the elderly, we have recently shown that upfront therapy with brentuximab vedotin followed by chemotherapy provides excellent outcomes, and that data will be presented at the ASH Annual Meeting by Andy Evans from our group.

An alternative for elderly patients may be therapy that includes checkpoint inhibition. We have launched 2 new clinical trials using pembrolizumab—1 of 2 checkpoint inhibitors approved for Hodgkin lymphoma—in both the upfront setting as well as in combination with chemotherapy for relapsed patients. For those who have relapsed after post initial therapy, or have proven to be refractory, pembrolizumab is given in combination with ICE (ifosfamide, carboplatin and etoposide )(ICE) chemotherapy with a PET scan following 2 cycles as the primary endpoint. That study is up and running and actively accruing patients.


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TitleExpiration DateCME Credits
Community Practice Connections™: Expert Insights on the Management of Myeloproliferative Neoplasms: Evidence-based Approaches and Emerging Strategies to Address Challenges in CareSep 29, 20181.5
1st Annual LIVE Medical Crossfire®: Expert Exchanges in Hematologic Malignancies OnlineSep 30, 20188.0
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