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Background: Despite a higher risk of classical Hodgkin lymphoma (cHL) in people with HIV and the demonstrated safety and efficacy of PD-1 blockade in cHL, there are limited data on the use of these agents in HIV-associated cHL (HIV-cHL)., Patients/methods: We retrospectively identified patients with HIV-cHL from the "Cancer Therapy using Checkpoint inhibitors in People with HIV-International (CATCH-IT)" database who received nivolumab or pembrolizumab, alone or in combination with other agents, and reviewed records for demographics, disease characteristics, immune-mediated adverse events (imAEs), and treatment outcomes. Changes in CD4 + T-cell counts with treatment were measured via Wilcoxon signed-rank tests. Overall response rate (ORR) was defined as the proportion of patients with partial or complete response (PR/CR) per 2014 Lugano classification., Results: We identified 23 patients with HIV-cHL who received a median of 6 cycles of PD-1 blockade: 1 as 1st-line, 6 as 2nd-line, and 16 as ≥3rd-line therapy. Seventeen (74%) patients received monotherapy, 5 (22%) received nivolumab plus brentuximab vedotin, and 1 received nivolumab plus ifosfamide, carboplatin, and etoposide. The median baseline CD4 + T-cell count was 155 cells/µL, which increased to 310 cells/µL at end-of-treatment (P = .009). Three patients had grade 3 imAEs; none required treatment discontinuation. The ORR was 83% with median duration of response of 19.7 months. The median progression-free survival was 21.2 months and did not differ between patients with <200 versus ≥200 CD4 + cells/µL (P = .95)., Conclusion: Our findings support the use of PD-1 blockade in HIV-cHL for the same indications as the general population with cHL., Competing Interests: Disclosure KL and RR: Bristol Myers Squibb-Celgene, Merck, EMD-Serono, Eli Lilly, Janssen, Lentigen, and CTI BioPharma research support through CRADAs with the NCI. DBJ: BMS, Catalyst Biopharma, Iovance, Mallinckrodt, Merck, Mosaic ImmunoEngineering, Novartis, Oncosec, Pfizer, Targovax, and Teiko—advisory boards or consultancy; BMS and Incyte—research funding. NAW: ChemoCentryx—consultancy and speaker honoraria CK: Ad board/Consulting fee: Novartis, Regeneron, Janssen, Eisai, Daiichi Sankyo, Jazz Pharmaceuticals, Arcus Biosciences, Mirati Therapeutics, Sanofi, Diffuse Pharmaceuticals; Grant Support: Blueprint Medicines, Bristol-Myers Squibb, Daiichi Sankyo, Inc., Debiopharm, Genentech, Inc., Janssen, Karyopharm, Lyell, Novartis Pharmaceuticals, Regeneron, Spectrum TF: ADC therapeutics—speakers bureau; Astrazeneca—Consultancy and Speakers Bureau; Daiichi—Speakers Bureau; Sankyo—Speakers Bureau; Genmab—Consultancy and Speakers Bureau; Karyopharm—Speakers Bureau; Kite/Gilead—Honoraria and Speakers Bureau; MorphoSys—Speakers Bureau; Secura Bio—Speakers Bureau; Juno/Bristol Myers Squibb (BMS)—Consultancy, Honoraria, Membership on an entity's Board of Directors or advisory committees and Research Funding; Celgene Corporation—Membership on an entity's Board of Directors or advisory committees; Janssen—Membership on an entity's Board of Directors or advisory committees; Pharmacyclics LLC/Janssen—Honoraria and Membership on an entity's Board of Directors or advisory committees; Seattle Genetics—Membership on an entity's Board of Directors or advisory committees and Research Funding; Takeda—Honoraria, Membership on an entity's Board of Directors or advisory committees and travel expenses; Abbvie—Consultancy and Honoraria; Seagen—Consultancy, Honoraria, travel expenses, and Speakers Bureau; Bayer—honoraria; Portola Pharmaceuticals—research funding; Eisai—research funding; Kyowa Kirin—research funding; Amgen—research funding; Viracta Therapeutics—research funding; Cell Medica—research funding; Roche—research funding; Trillium Therapeutics—research funding; Pfizer—research funding AD: Athos Therapeutics—Current Employment, Current holder of stock options in a privately-held company, Membership on an entity's Board of Directors or advisory committees and Patents & Royalties; Attica Sciences—Current Employment, Current holder of stock options in a privately-held company, Membership on an entity's Board of Directors or advisory committees and Patents & Royalties; Dyania Health—Consultancy, Current Employment and stocks; Urogen Pharma- Stocks; Alimera Sciences—stocks; Kyn Therapeutics—stocks; Moderna Therapeutics—stocks; Proteas Bioanalystics—stocks and patents and royalties; BMS—consultancy and research funding; AstraZeneca—Consultancy, Other: Travel, accommodations, expenses and Research Funding; Radmetric—consultancy; Seagen—Consultancy and travel, accommodations, expenses; Janssen—consultancy; PACT Pharma—consultancy; Merck—Consultancy and Research Funding; Roche/Genentech—Consultancy and Research Funding; Exelixis—consultancy; Aveo—consultancy; Kite/Gilead—research funding; Jounce Therapeutics—Research funding; Infinity Pharmaceutics—research funding; Seattle Genetics/Astellas—research funding; Immunomedics/Gilead—research funding; Harvard Medical School—patents and royalties to spouse; UCLA—patents and royalties to spouse; Eli Lilly—travel, accommodations, expenses MM: Genentech/Roche—honoraria and speakers bureau, Novartis—honoraria, Sanofi—honoraria, Lexicon—honoraria and Research Funding, Ipsen—Honoraria and Speakers Bureau, Bayer—honoraria, Taiho Pharmaceutical—Honoraria and speakers bureau, Boehringer Ingelheim—honoraria, Eisai—Honoraria, Research Funding and Speakers Bureau, Merck—Honoraria and Research Funding, Exelixis—Honoraria and Speakers Bureau, AstraZeneca/Daiichi Sankyo—Honoraria and Speakers Bureau, Servier—Honoraria and Speakers Bureau, Tersera—Honoraria, QED Therapeutics—Honoraria, Precision Biologics—Research Funding, BMS—research funding, Onyx—research funding, Advanced Accelerator Applciations—research funding, AlphaVax—Research Funding, Duke University—Patents and Royalities DBJ: Advisory boards/consultancy: BMS, Catalyst Biopharma, Iovance, Jansen, Mallinckrodt, Merck, Mosaic ImmunoEngineering, Novartis, Oncosec, Pfizer, Targovax, and Teiko; Research funding: BMS and Incyte AM: Research funding: Nektar, Tracon Pharma, Regeneron, Tempu slabs; Consultancy and research funding: SpringWorks Therapeutics; Honoraria: Targeted Oncology CD: Advisory Board: GenMab; BeiGene; ADC Pharmaceuticals Research funding: Genentech; Seagen; Astrazeneca AL: Advisory Board—Seagen, Kite Pharma; Consultancy—Research to Practice GS: Advisory Board: BMS, Genentech, EMD Serono, Merck, Sanofi, Seattle Genetics/Astellas, Astrazeneca, Exelixis, Janssen, Bicycle Therapeutics, Pfizer, Gilead, Scholar Rock, G1 Therapeutics, Eli Lilly/Loxo Oncology, Infinity Pharmaceuticals, Lucence Health, IMV, Vial, Syapse, Tempus, Ellipses Pharma; Consultant/Scientific Advisory Board (SAB): Suba Therapeutics, Syapse, Servier, Merck Research Support to institution: Sanofi (iaward), Astrazeneca, Gilead, Helsinn, Lucence, BMS, EMD Serono, Jazz Therapeutics; Speaker: BIO—INFORMAÇÃO BRASILEIRA DE ONCOLOGIA Ltda, OLE Forum (Mexico), Seagen, Gilead, Natera, Exelixis, Janssen, Bayer; Data safety monitoring committee honorarium: Mereo; Employment: Spouse employed by Myriad; Writing/Editor fees: Uptodate, Onviv PR: research funding (to institution)—Lilly, Bayer, Telix; speaker's fees—OncLive ARN: Funding to Institution for Trials he is PI on: Loxo@Lilly, Surface Oncology, ADC Therapeutics, IGM Biosciences, EMD Serono, Aravive, Nikang Therapeutics, Inspirna, Exelexis, Revolution Medicine, Jacobio, Pionyr, Jazz Pharmaceuticals, NGM Biopharmaceuticals; Consultant Editor Compensation: JCO Precision Oncology; Travel Compensation from: SITC/ AACR/ Conquer Cancer Foundation/BinayTara Foundation and Foundation Med/Caris Life Sciences; Advisory Board : Foundation Med AFH: Bristol Myers Squibb—research funding, consultancy; Genentech—research funding, consultancy; Merck—research funding, consultancy; Seattle Genetics—research funding, consultancy; KiTE Pharma—research funding; Gilead Sciences—research funding; AstraZeneca—research funding, consultancy; Karyopharm—consultancy; ADC Therapeutics—research funding, consultancy; Takeda—consultancy; Tubulis—consultancy; Regeneron—consultancy; Genmab—consultancy; Pfizer—consultancy; Caribou Biosciences—consultancy; Adicet Bio—consultancy; Abbvie—consultancy; Allogene Therapeutics—consultancy All other authors have nothing to disclose., (Published by Elsevier Inc.)

An estimated 38 million people live with human immunodeficiency virus (HIV) worldwide and are at excess risk for multiple cancer types. Elevated cancer risks in people living with HIV (PLWH) are driven primarily by increased exposure to carcinogens, most notably oncogenic viruses acquired through shared transmission routes, plus acceleration of viral carcinogenesis by HIV-related immunosuppression. In the era of widespread antiretroviral therapy (ART), life expectancy of PLWH has increased, with cancer now a leading cause of co-morbidity and death. Furthermore, the types of cancers occurring among PLWH are shifting over time and vary in their relative burden in different parts of the world. In this context, the International Agency for Research on Cancer (IARC) and the US National Cancer Institute (NCI) convened a meeting in September 2022 of multinational and multidisciplinary experts to focus on cancer in PLWH. This report summarizes the proceedings, including a review of the state of the science of cancer descriptive epidemiology, etiology, molecular tumor characterization, primary and secondary prevention, treatment disparities and survival in PLWH around the world. A consensus of key research priorities and recommendations in these domains is also presented., (© 2023 International Agency for Research on Cancer; licensed by UICC and The Authors. International Journal of Cancer published by John Wiley & Sons Ltd on behalf of UICC. This article has been contributed to by U.S. Government employees and their work is in the public domain in the USA.)

Background: The Food and Drug Administration recommends that people living with HIV (PWH) with a CD4+ T cell count (CD4) ≥350 cells/µL may be eligible for any cancer clinical trial, but there is reluctance to enter patients with lower CD4 counts into cancer studies, including immune checkpoint inhibitor (ICI) studies. Patients with relapsed or refractory cancers may have low CD4 due to prior cancer therapies, irrespective of HIV status. It is unclear how baseline CD4 prior to ICI impacts the proportion of treatment-emergent adverse events (TEAE) and whether it differs by HIV status in ICI treated patients., Methods: We conducted a pilot retrospective cohort study of participants eligible for ICI for advanced cancers from three phase 1/2 trials in the USA and Spain. We determined whether baseline CD4 counts differed by HIV status and whether the effect of CD4 counts on incidence of TEAE was modified by HIV status using a multivariable logistic regression model., Results: Of 122 participants, 66 (54%) were PWH who received either pembrolizumab or durvalumab and 56 (46%) were HIV-negative who received bintrafusp alfa. Median CD4 at baseline was 320 cells/µL (IQR 210-495) among PWH and 356 cells/µL (IQR 260-470) among HIV-negative participants (p=0.5). Grade 3 or worse TEAE were recorded among 7/66 (11%) PWH compared with 7/56 (13%) among HIV-negative participants. When adjusted for prior therapies, age, sex, and race, the effect of baseline CD4 on incidence of TEAE was not modified by HIV status for any TEAE (interaction term p=0.7), or any grade ≥3 TEAE (interaction term p=0.1)., Conclusions: There was no significant difference in baseline CD4 or the proportions of any TEAE and grade ≥3 TEAE by HIV status. CD4 count thresholds for cancer clinical trials should be carefully reviewed to avoid unnecessarily excluding patients with HIV and cancer., Competing Interests: Competing interests: RR, TSU, KL, and RY report receiving research support from Celgene (now Bristol Myers Squibb) through a CRADA at the NCI. RR, TSU, KL, and RY report receiving drug for a clinical trial from Merck through a CRADA at the NCI. RR, KL, and RY report receiving drug for a clinical trial from EMD-Serono through a CRADA at the NCI. RY reports receiving drug for preclinical studies from Janssen and CTI BioPharma. TSU reports receiving other commercial research support from Roche through a CTA with Fred Hutchinson Cancer Center. JM-P reports receiving research support from AstraZeneca (through the Spanish Lung Cancer Group) and Merck. TSU and RY are coinventors on US Patent 10001483 entitled ‘Methods for the treatment of Kaposi’s sarcoma or KSHV-induced lymphoma using immunomodulatory compounds, and uses of biomarkers’. RY is also a coinventor on patents on a peptide vaccine for HIV and on the treatment of Kaposi sarcoma with IL-12, and an immediate family member of RY is a coinventor on patents related to internalization of target receptors, on KSHV viral IL-6, and on the use of calreticulin and calreticulin fragments to inhibit angiogenesis. All rights, title, and interest to these patents have been or should by law be assigned to the US Department of Health and Human Services; the government conveys a portion of the royalties it receives to its employee inventors under the Federal Technology Transfer Act of 1986 (P.L. 99-502). No potential conflicts of interest were disclosed by the other authors. TSU is currently an employee of Regeneron., (© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)