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Table of Contents
LETTER TO THE EDITOR
Year : 2019  |  Volume : 2  |  Issue : 4  |  Page : 129

In the era of immune checkpoint inhibitor therapy, can we safely expand to patients with immunodeficiency?


1 Department of Hematology and Medical Oncology, School of Medicine, Emory University; Winship Cancer Institute of Emory University, Atlanta, GA, USA
2 UC San Diego School of Medicine, San Diego, CA, USA

Date of Submission26-Sep-2019
Date of Acceptance27-Sep-2019
Date of Web Publication18-Oct-2019

Correspondence Address:
Dr. Razelle Kurzrock
UC San Diego School of Medicine, San Diego, CA
USA
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JIPO.JIPO_20_19

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How to cite this article:
Bilen MA, Kurzrock R. In the era of immune checkpoint inhibitor therapy, can we safely expand to patients with immunodeficiency?. J Immunother Precis Oncol 2019;2:129

How to cite this URL:
Bilen MA, Kurzrock R. In the era of immune checkpoint inhibitor therapy, can we safely expand to patients with immunodeficiency?. J Immunother Precis Oncol [serial online] 2019 [cited 2019 Dec 5];2:129. Available from: http://www.jipoonline.org/text.asp?2019/2/4/129/269515



We have read with great interest the recent issue of the Journal of Immunotherapy and Precision Oncology, which is edited by Dr. Joud Hajjar. It illuminated the area of cancer immunotherapy in immunosuppressed patients.[1] This is a very important matter in the immunotherapy field because these patients are notoriously more susceptible to developing a variety of different cancers, and there is limited advancement in new drug development for them.

In recent years, the treatment of cancer has evolved with our understanding of the immune checkpoint pathway. This effort has paid off by the approval of several new drugs, such as programmed death 1/L1 and cytotoxic T-lymphocyte-associated antigen 4 antibodies. Currently, those agents are available for patients with many types of malignancies including, but not limited to, melanoma, kidney cancer, bladder cancer, lung cancer, and others. Although many patients are receiving immune checkpoint inhibitor (ICI) therapies, we still have limited knowledge regarding the efficacy and safety in cancer patients with an immunosuppressed condition because these individuals were often excluded from the original trials that led to the approval of those agents.

Recently, we and others challenged the exclusion of these “forgotten” patients, and we have been able to obtain real-world data on the efficacy and safety of ICIs in the immunocompromised population.[2],[3] Some of the recent studies showed that ICIs are both safe and efficacious in HIV-positive patients with various malignancies, including Kaposi sarcoma, non-small cell lung cancer, melanoma, Merkel-cell carcinoma, and Hodgkin's lymphoma.[3],[4] Currently, several prospective studies are also examining the use of ICIs in multiple tumor types among patients with HIV infection.

Due to exclusion criteria, cancer patients with HIV infection are underrepresented in cancer clinical trials, including those with ICIs. There is an unmet need for prospective trials with ICIs that are designed for HIV-positive patients to explore the biology and outcome in this population. Furthermore, there is already a body of evidence that support the use of those agents in HIV-infected patients, and these patients should not be excluded from immunotherapy clinical trials. Hajjar is to be commended for highlighting this critical issue.[1]

Financial support and sponsorship

The authors disclosed no funding related to this article.

Conflicts of interest

Dr. Bilen has a consulting/advisory role with Exelixis, Seattle Genetics, EMD Serono, Nektar, and Sanofi and receives institutional research funding from Bayer, Bristol-Myers Squibb, Genentech/Roche, Xencor, Incyte, Nektar, AstraZeneca, Tricon Pharmaceuticals, Peleton, and Pfizer.

Dr. Kurzrock discloses stock and other equity interests (IDbyDNA, CureMatch, Inc., and Soluventis); Consulting or Advisory Role (Gaido, LOXO, X-Biotech, Actuate Therapeutics, Roche, NeoMed, Soluventis, and Pfizer); speaker's fee (Roche); research funding (Incyte, Genentech, Merck Serono, Pfizer, Sequenom, Foundation Medicine, Guardant Health, Grifols, Konica Minolta, DeBiopharm, Boerhringer Ingelheim, and OmniSeq [All institutional]); and Board membership (CureMatch, Inc).



 
  References Top

1.
Hajjar J. Cancer immunotherapy for the immunosuppressed: Dissecting the conundrum of safety and efficacy. J Immunother Precis Oncol 2019;2:53-4.  Back to cited text no. 1
    
2.
Adashek JJ, Junior PN, Galanina N, et al. Remembering the forgotten child: The role of immune checkpoint inhibition in patients with human immunodeficiency virus and cancer. J Immunother Cancer 2019;7:130.  Back to cited text no. 2
    
3.
Galanina N, Goodman AM, Cohen PR, et al. Successful treatment of HIV-associated Kaposi sarcoma with immune checkpoint blockade. Cancer Immunol Res 2018;6:1129-35.  Back to cited text no. 3
    
4.
Cook MR, Kim C. Safety and efficacy of immune checkpoint inhibitor therapy in patients with HIV infection and advanced-stage cancer: A systematic review. JAMA Oncol 2019;5:1049-54.  Back to cited text no. 4
    




 

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