PMID- 33273328 OWN - NLM STAT- MEDLINE DCOM- 20210514 LR - 20210514 IS - 2542-5641 (Electronic) IS - 0366-6999 (Print) IS - 0366-6999 (Linking) VI - 133 IP - 23 DP - 2020 Dec 5 TI - Safety and efficacy of allogeneic natural killer cell immunotherapy on human immunodeficiency virus type 1 immunological non-responders: a brief report. PG - 2803-2807 LID - 10.1097/CM9.0000000000001189 [doi] AB - BACKGROUND: Allogeneic natural killer (NK) cell immunotherapy is recognized as a promising anti-tumor strategy, but whether it plays a role in poor CD4 recovery among human immunodeficiency virus type 1 (HIV-1) infected patients is unknown. This study aimed to investigate the safety and effectiveness of allogeneic NK cells immunotherapy on HIV-1 immunological non-responders (INRs) receiving antiretroviral therapy (ART). METHODS: From February to April 2018, a prospective, randomized, controlled, open-label clinical trial, which enrolled 20 HIV-1 INRs following specific inclusion criteria, was conducted at Nankai University Second People's Hospital. Participants were randomly allocated (simple randomization 1:1) to either the combined treatment (NK + ART) group (n = 10) or the control (ART) group (n = 10). The allogenic highly activated NK cells from killer cell immunoglobulin-like receptor (KIR)/human leukocyte antigen (HLA)-Cw mismatched healthy donor were prepared (10 cells in each injection) and intravenously infused to each recruited patient of NK+ART group in three courses. Key immune parameters (CD4 count, CD8 count, CD4/CD8 ratio), laboratory tests (count of blood cells, biochemistry panel) and symptoms at baseline and at month 1, 3, 6, 9, 12, and 24 were measured/collected to analyze the safety and efficacy of the therapy. Comparisons were between the seven time-points of both groups using repeated measurement analysis of variance (ANOVA) test. Generalized estimating equations (GEE) model was performed to evaluate the overall effect of the NK+ART group vs. the ART group. RESULTS: From baseline to 24 months, we noted a mean CD4 count augmentation (139 to 243 cells/muL) in the NK + ART group and (144 to 176 cells/muL) in the ART group (difference, 67; 95% CI, 10 to 124; P = 0.024). Our estimations revealed that NK+ART group could improve CD4 level (beta = 54.59, P = 0.006) and CD8 level (beta = 322.47, P = 0.010) on average among the six measurements compared with the ART group. Only two (2/10, 20%) participants in the NK+ART group developed a transient mild fever after the first course. CONCLUSIONS: This preliminary study informs that HIV-1 INRs, allogenic NK cells immunotherapy is safe and could significantly improve CD4 recovery but not CD4/CD8 ratio. The practical effects, however, need long-term follow-up observations. Further study on the potential underlying mechanism is warranted. REGISTRATION INFO:: www.chictr.org.cn/showproj.aspx?proj=34912 (No. ChiCTR1900020634). FAU - Xia, Huan AU - Xia H AD - Department of Infectious Diseases, Nankai University Second People's Hospital, Tianjin 300192, China. FAU - Wang, Yin AU - Wang Y AD - Department of Infectious Diseases, Public Health Clinical Center of Chengdu, Chengdu, Sichuan 610066, China. FAU - Sun, Hua-Li AU - Sun HL AD - Department of Infectious Diseases, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, China. FAU - Gao, Li-Ying AU - Gao LY AD - Department of Infectious Diseases, Nankai University Second People's Hospital, Tianjin 300192, China. FAU - Cao, Yu AU - Cao Y AD - Tianjin Institute of Hepatology, Nankai University Second People's Hospital, Tianjin 300192, China. FAU - Zaongo, Silvere D AU - Zaongo SD AD - Department of Infectious Diseases, Nankai University Second People's Hospital, Tianjin 300192, China. FAU - Zeng, Rong-Nan AU - Zeng RN AD - Tianjin Institute of Hepatology, Nankai University Second People's Hospital, Tianjin 300192, China. FAU - Wu, Hao AU - Wu H AD - Center for Infectious Diseases, Beijing Youan Hospital, Capital Medical University, Beijing 100069, China. FAU - Zhang, Ming-Jie AU - Zhang MJ AD - HANK Bioengineering Co., Ltd., Shenzhen, Guangdong 518000, China. FAU - Ma, Ping AU - Ma P AD - Department of Infectious Diseases, Nankai University Second People's Hospital, Tianjin 300192, China. LA - eng PT - Journal Article PT - Randomized Controlled Trial PL - China TA - Chin Med J (Engl) JT - Chinese medical journal JID - 7513795 SB - IM MH - CD4 Lymphocyte Count MH - *HIV Infections/therapy MH - *HIV-1 MH - *Hematopoietic Stem Cell Transplantation MH - Humans MH - Immunotherapy MH - Killer Cells, Natural MH - Prospective Studies MH - Viral Load PMC - PMC7717728 COIS- None. EDAT- 2020/12/05 06:00 MHDA- 2021/05/15 06:00 PMCR- 2020/12/05 CRDT- 2020/12/04 05:38 PHST- 2020/12/04 05:38 [entrez] PHST- 2020/12/05 06:00 [pubmed] PHST- 2021/05/15 06:00 [medline] PHST- 2020/12/05 00:00 [pmc-release] AID - 00029330-202012050-00006 [pii] AID - CMJ-2020-2180 [pii] AID - 10.1097/CM9.0000000000001189 [doi] PST - ppublish SO - Chin Med J (Engl). 2020 Dec 5;133(23):2803-2807. doi: 10.1097/CM9.0000000000001189.