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Factors associated with immunological non-response in HIV patients receiving antiretroviral therapy in Southeast Asia: A systematic review. 东南亚接受抗逆转录病毒治疗的HIV患者免疫无反应的相关因素:一项系统综述。
IF 2.3 4区 医学
Antiviral Therapy Pub Date : 2026-06-01 Epub Date: 2026-05-09 DOI: 10.1177/13596535261450699
Efrida, Aziizah Yuza
{"title":"Factors associated with immunological non-response in HIV patients receiving antiretroviral therapy in Southeast Asia: A systematic review.","authors":"Efrida, Aziizah Yuza","doi":"10.1177/13596535261450699","DOIUrl":"https://doi.org/10.1177/13596535261450699","url":null,"abstract":"<p><p>ObjectiveThis systematic review summarizes factors associated with immunological non-response (INR) among people with HIV on antiretroviral therapy (ART) in Southeast Asia.MethodsWe conducted a systematic search of PubMed, ScienceDirect, DOAJ, and Lens.org for studies published between 2010 and 2025. Observational studies examining immunological outcomes following ART initiation and related factors were included. Study quality was assessed using the Newcastle-Ottawa Scale, and results were synthesized using a harvest plot.ResultTen eligible studies were included in the synthesis, comprising a total of 6,988 participants with substantial heterogeneity observed across studies. Factors associated with INR included age, sex, baseline CD4 cell count, HIV RNA levels, and co-infections. Among these factors, baseline CD4 cell count at the initiation of ART emerged as the most consistently associated determinant; lower baseline CD4 levels were linked to a higher risk of INR even with virological suppression.ConclusionThis review highlights baseline immunological status at ART initiation as a key predictor of immunological non-response in Southeast Asia. These findings underscore the critical importance of early HIV diagnosis and timely initiation of ART to prevent advanced immune damage and optimize immunological recovery.</p>","PeriodicalId":8364,"journal":{"name":"Antiviral Therapy","volume":"31 3","pages":"13596535261450699"},"PeriodicalIF":2.3,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147855824","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Epidemiology and clinical management of cytomegalovirus infection in transplant recipients in Central and Eastern Europe - a physician survey. 中欧和东欧移植受者巨细胞病毒感染的流行病学和临床管理——一项医生调查。
IF 2.3 4区 医学
Antiviral Therapy Pub Date : 2026-04-01 Epub Date: 2026-04-29 DOI: 10.1177/13596535261440692
Alicja Dębska-Ślizień, Milena Todorović Balint, Radovan Vrhovac, Aleksandar Biljić Erski, Tina Roblek
{"title":"Epidemiology and clinical management of cytomegalovirus infection in transplant recipients in Central and Eastern Europe - a physician survey.","authors":"Alicja Dębska-Ślizień, Milena Todorović Balint, Radovan Vrhovac, Aleksandar Biljić Erski, Tina Roblek","doi":"10.1177/13596535261440692","DOIUrl":"https://doi.org/10.1177/13596535261440692","url":null,"abstract":"<p><p>BackgroundPosttransplant cytomegalovirus (PT-CMV) infection remains a challenging complication and a major cause of morbidity and mortality in transplant recipients.MethodsThis cross-sectional study surveyed physicians treating solid organ and hematopoietic stem cell transplantation recipients from Central and Eastern European countries. Physician-reported CMV infection prevalence in transplant recipients, treatment regimens, and unmet needs for managing patients with refractory with/without resistance (R+/R-) PT-CMV infection were assessed.ResultsOverall, 164 physicians completed the survey, 23.8% of whom were nephrologists. Physicians estimated that 26.4% of patients who received a transplant in the past 12 months developed PT-CMV infection, of whom 12.9% had refractory R+/R- PT-CMV infection. On average, 66.5%, 16.5%, and 4.0% of physicians' current patients with PT-CMV infection received first-, second-, and third- or later-line treatments, respectively. Physicians considered maintenance of CMV viremia clearance (94.5%), good symptom control (94.5%), and lack of renal toxicity (93.9%) as moderately-to-extremely important treatment attributes for managing PT-CMV infection. Compared with other available treatments, more physicians indicated oral valganciclovir to have a strong-to-complete association with these treatment attributes. Overall, 63.4% of physicians indicated some level of satisfaction with conventional refractory R+/R- PT-CMV treatments. However, 54.9% of physicians reported limited experience with newly approved therapies, such as maribavir. Most physicians considered limited treatment options as a major barrier for improving patient outcomes.ConclusionSurvey findings of physicians treating transplant recipients in Central and Eastern Europe suggest the need for increased awareness of newly approved therapies with better efficacy and less toxicity for refractory R+/R- PT-CMV infection.</p>","PeriodicalId":8364,"journal":{"name":"Antiviral Therapy","volume":"31 2","pages":"13596535261440692"},"PeriodicalIF":2.3,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147760487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
It's about time: The association between abacavir and cardiovascular disease. 是时候了:阿巴卡韦和心血管疾病之间的联系。
IF 2.3 4区 医学
Antiviral Therapy Pub Date : 2026-04-01 Epub Date: 2026-04-24 DOI: 10.1177/13596535261438178
Jim Young, Patrick R Lawler, Erica E M Moodie, Heiner C Bucher, Marina B Klein
{"title":"It's about time: The association between abacavir and cardiovascular disease.","authors":"Jim Young, Patrick R Lawler, Erica E M Moodie, Heiner C Bucher, Marina B Klein","doi":"10.1177/13596535261438178","DOIUrl":"https://doi.org/10.1177/13596535261438178","url":null,"abstract":"<p><p>Data from the REPRIEVE trial have been used to study the association between treatment with abacavir and cardiovascular disease in people with HIV. Past exposure to abacavir before the trial was found to be just as risky as exposure during the trial. This calls into doubt the widely accepted hypothesis that recent exposure to abacavir increases the risk of cardiovascular disease but that risk rapidly attenuates after exposure ends. The evidence for this hypothesis is weak while evidence for an alternative hypothesis has been neglected. An alternative hypothesis is that risk from exposure to abacavir is not immediate but increases as exposure cumulates, plateauing after about three years. Confusion over the likely effect of abacavir has arisen partly because overly simplistic methods have been used to model the exposure outcome relationship in observational cohort data. Better methods are available and should be used in future to avoid misdirected research effort.</p>","PeriodicalId":8364,"journal":{"name":"Antiviral Therapy","volume":"31 2","pages":"13596535261438178"},"PeriodicalIF":2.3,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147760461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Combination antiviral and anti-CMV immunoglobulin therapy for CMV infection: A case-control study. 抗病毒和抗巨细胞病毒免疫球蛋白联合治疗巨细胞病毒感染:一项病例对照研究。
IF 2.3 4区 医学
Antiviral Therapy Pub Date : 2026-02-01 Epub Date: 2026-04-17 DOI: 10.1177/13596535261444510
Biagio Pinchera, Ludovica Fusco, Vincenzo Fotticchia, Antonio Riccardo Buonomo, Emanuela Zappulo, Nicola Schiano Moriello, Ivan Gentile
{"title":"Combination antiviral and anti-CMV immunoglobulin therapy for CMV infection: A case-control study.","authors":"Biagio Pinchera, Ludovica Fusco, Vincenzo Fotticchia, Antonio Riccardo Buonomo, Emanuela Zappulo, Nicola Schiano Moriello, Ivan Gentile","doi":"10.1177/13596535261444510","DOIUrl":"https://doi.org/10.1177/13596535261444510","url":null,"abstract":"<p><p>BackgroundIntravenous hyper-immune anti-cytomegalovirus immunoglobulins (CMV-IG) therapy are licensed for prophylaxis, yet their therapeutic value in established CMV disease remains poorly defined. We aimed to evaluate the clinical and virological impact of adjunctive CMV-IG in combination with standard antiviral therapy in immunocompromised patients with CMV disease, compared with standard antiviral therapy alone.MethodsWe performed a single-center retrospective case-control study at A.O.U. \"Federico II\" University Hospital, Naples, Italy, including consecutive immunocompromised patients with CMV disease between March 2021 and November 2024. Cases received standard antiviral therapy plus CMV-IG (100 IU kg<sup>-1</sup> day<sup>-1</sup> for three consecutive days). Controls received antivirals only.ResultsThirty-four patients were analyzed (15 cases, 19 controls). Thirty-day survival was 93% vs 95% (p=>0.9) and composite outcome (combination of 30-day mortality and clinical response) occurred in 93% vs 90% (p=>0.9) in cases and controls, respectively. Median time-to-virological response in days was achieved 4 vs 7 days (p=<0.001), as was median duration of antiviral therapy in days 12 vs 16 days (p=0.001) and hospitalization 14 vs 19 days (p=0.004) in cases and controls, respectively. Adverse-event rates were low and comparable in the 2 groups.ConclusionsIn this real-world cohort, adjunctive CMV-IG did not affect mortality, but was associated with faster virological clearance and shorter antiviral and hospital courses, without additional toxicity.</p>","PeriodicalId":8364,"journal":{"name":"Antiviral Therapy","volume":"31 1","pages":"13596535261444510"},"PeriodicalIF":2.3,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147716073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Harnessing SuperNatural database to identify VP35 inhibitors as anti-Ebola drug candidates: A multistage In silico study. 利用SuperNatural数据库识别VP35抑制剂作为抗埃博拉候选药物:一项多阶段的计算机研究。
IF 2.3 4区 医学
Antiviral Therapy Pub Date : 2025-12-01 Epub Date: 2025-12-23 DOI: 10.1177/13596535251405027
Abeer A M Hasb, Gamal A H Mekhemer, Peter A Sidhom, Ahmed Rady, Yanshuo Han, Mahmoud A A Ibrahim
{"title":"Harnessing SuperNatural database to identify VP35 inhibitors as anti-Ebola drug candidates: A multistage <i>In silico</i> study.","authors":"Abeer A M Hasb, Gamal A H Mekhemer, Peter A Sidhom, Ahmed Rady, Yanshuo Han, Mahmoud A A Ibrahim","doi":"10.1177/13596535251405027","DOIUrl":"https://doi.org/10.1177/13596535251405027","url":null,"abstract":"<p><p>Ebola virus is a member of the <i>Filoviridae</i> family, which causes hemorrhagic fever in primates, exhibiting a mortality rate that can reach up to 90%. The VP35 suppresses the host IFN-<i>β/α</i> production by disrupting the immune responses of the host during viral infection, making it a putative target for therapeutic intervention. Herein, the UMH SuperNatural II database was mined to identify prospective VP35 inhibitors employing advanced <i>in</i> <i>silico</i> approaches. Filtration of the UMH SuperNatural II database was first conducted based on drug-likeness features. These compounds were screened towards VP35, and those exhibiting docking scores lower than 1DK, a reference ligand, further underwent molecular dynamics simulations (MDS), followed by binding energy calculations. Upon the assessed binding energy throughout 200 ns MDS, UMHSN00005544 and UMHSN00005545 disclosed superior binding affinity against VP35 compared to 1DK, with Δ<i>G</i><sub>binding</sub> values of -35.5, -34.9, and -29.3 kcal/mol, respectively. Energetic and structural evaluations were conducted for the identified natural compounds in complex with VP35 over 200 ns MDS. Post-MD analyses demonstrated the significant constancy of the investigated complexes. RMSD values averaged 0.14, 0.13, and 0.12 nm for UMHSN00005544, UMHSN00005545, and 1DK bound to VP35 over 200 ns MDS, indicating stable protein-ligand conformations. Furthermore, the ADMET characteristics of the identified natural compounds were assessed, revealing favorable pharmacokinetic and non-toxicity profiles. Density functional theory computations unveiled the electronic stability and chemical reactivity of the identified natural compounds. The obtained outcomes affirmed the substantial therapeutic potential of UMHSN00005544 and UMHSN00005545 as prospective candidates for combating EBOV, thereby necessitating further experimental investigations.</p>","PeriodicalId":8364,"journal":{"name":"Antiviral Therapy","volume":"30 6","pages":"13596535251405027"},"PeriodicalIF":2.3,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145809311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Phase 1 study of the safety, tolerability, and pharmacokinetics of ALG-000184 (pevifoscorvir sodium), a novel Class E capsid assembly modulator, in healthy participants. 一项关于新型E类衣壳组装调节剂ALG-000184 (pevifoscorvir钠)在健康参与者中的安全性、耐受性和药代动力学的i期研究。
IF 2.3 4区 医学
Antiviral Therapy Pub Date : 2025-12-01 Epub Date: 2025-11-21 DOI: 10.1177/13596535251392955
Ed Gane, Christian Schwabe, Min Wu, Tse-I Lin, Lawrence Blatt, John Fry, Sushmita Chanda, Kha Le
{"title":"A Phase 1 study of the safety, tolerability, and pharmacokinetics of ALG-000184 (pevifoscorvir sodium), a novel Class E capsid assembly modulator, in healthy participants.","authors":"Ed Gane, Christian Schwabe, Min Wu, Tse-I Lin, Lawrence Blatt, John Fry, Sushmita Chanda, Kha Le","doi":"10.1177/13596535251392955","DOIUrl":"10.1177/13596535251392955","url":null,"abstract":"<p><p>BackgroundClass E (empty) capsid assembly modulators (CAM-Es) inhibit HBV capsid assembly, pregenomic RNA encapsidation preventing formation the establishment of covalently closed circular HBV DNA (ccDNA). ALG-000184 (pevifoscorvir sodium), is a prodrug of the Class E CAM ALG-001075.MethodsALG-000184-201 was a Phase 1 randomized, double-blind, placebo-controlled study to evaluate the safety, tolerability and pharmacokinetics of ALG-000184. Healthy participants (n = 8/cohort) received oral single-ascending doses (SAD) of ALG-000184 (40, 100, 250, and 500 mg) or placebo, and multiple-ascending daily doses (MAD) (150 mg and 250 mg) or placebo for 7 days.ResultsALG-000184 was well tolerated by 48 participants who received single doses up to 500 mg and multiple daily doses up to 250 mg for 7 days. ALG-000184 was rapidly converted to the active moiety, ALG-001075. ALG-001075 had dose-proportional increase in plasma exposure, low-to-moderate variability (18%-34% CV for AUC<sub>0-24</sub>), rapid absorption (median t<sub>max</sub> 1-3.5 h), and biphasic distribution/elimination with terminal t½ 7-8 h and minimal accumulation (∼30%). A major oxidative metabolite, ALG-000302, was identified in plasma (∼17%-24% of ALG-001075). A high-fat/high-calorie meal did not significantly impact the plasma pharmacokinetics. No differences in pharmacokinetics between Asian and non-Asian participants were observed. A concentration QT analysis indicated no statistically significant change in ΔΔQTcF with plasma ALG-001075. Urinary excretion of ALG-001075 was low following single or multiple ALG-000184 doses.ConclusionsALG-000184 demonstrated good tolerability, safety and pharmacokinetic properties in healthy participants. The pharmacokinetic profile suggests that a daily dose of 100 mg or higher will provide efficacious exposures in patients with chronic HBV infection.Clinical trial numberNCT04536337 (https://clinicaltrials.gov/study/NCT04536337).</p>","PeriodicalId":8364,"journal":{"name":"Antiviral Therapy","volume":"30 6","pages":"13596535251392955"},"PeriodicalIF":2.3,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145562430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of combining the PDX analogue AN-137B with oseltamivir in a mouse model of severe influenza A (H1N1) infection. PDX类似物AN-137B与奥司他韦联合治疗严重甲型H1N1流感小鼠模型的评价
IF 2.3 4区 医学
Antiviral Therapy Pub Date : 2025-12-01 Epub Date: 2025-12-08 DOI: 10.1177/13596535251405300
Yacine Abed, Chantal Rhéaume, Julie Carbonneau, Nicolas Fortin, René Maltais, André Marette, Donald Poirier, Guy Boivin
{"title":"Evaluation of combining the PDX analogue AN-137B with oseltamivir in a mouse model of severe influenza A (H1N1) infection.","authors":"Yacine Abed, Chantal Rhéaume, Julie Carbonneau, Nicolas Fortin, René Maltais, André Marette, Donald Poirier, Guy Boivin","doi":"10.1177/13596535251405300","DOIUrl":"https://doi.org/10.1177/13596535251405300","url":null,"abstract":"<p><p>Severe influenza infections involve an exacerbation of the pro-inflammatory response, which is influenced by both viral and host factors. Protectins PD1 and PDX previously demonstrated anti-influenza activity as well as anti-inflammatory properties. We recently reported that the combination of AN-137B, a molecular analogue of PDX, with oseltamivir or baloxavir provided synergism/additive effects against influenza, <i>in vitro</i>. Herein, we investigated potential benefits of the AN-137B-oseltamivir combination in mice infected with influenza A/Puerto Rico/8/1934 (H1N1) virus. Untreated animals and those that received single oseltamivir or AN-137B treatment showed mortality rates of 80%, 100% and 100%, respectively, whereas only 40% of mice that received the oseltamivir-AN-137B combination had to be euthanized. Body weight loss was also lower in the group of the combination. In the latter group, the mean lung viral titre (LVT), as determined by plaque assay (2.53 ± 0.63 × 10<sup>5</sup> PFU/mL) and by qRT-PCR (2.39 ± 1.3 × 10<sup>8</sup> copies/mL), was significantly lower than that of the untreated group (4.76 ± 0.9 × 10<sup>5</sup> PFU/mL and 3.75 ± 0.86 × 10<sup>8</sup> copies/mL (<i>p</i> < .05), contrasting with LVTs of animals that received single therapies. These <i>in vivo</i> results reinforce the potential of AN-137B when combined to a potent anti-influenza agent against severe influenza.</p>","PeriodicalId":8364,"journal":{"name":"Antiviral Therapy","volume":"30 6","pages":"13596535251405300"},"PeriodicalIF":2.3,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145707052","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enterovirus-associated deafness and myositis in an immunocompromised patient with in vivo and in vitro efficacy of intravenous immunoglobulins and remdesivir: Case report. 免疫功能低下患者肠病毒相关性耳聋和肌炎的体内和体外静脉注射免疫球蛋白和瑞德西韦的疗效:病例报告。
IF 2.3 4区 医学
Antiviral Therapy Pub Date : 2025-10-01 Epub Date: 2025-10-08 DOI: 10.1177/13596535251385624
Emma M de Koff, Harmen van Andel, Hanna K de Jong, Anneke J van der Kooi, Carlemi Calitz, Gerrit Koen, Arjan J Kwakernaak, Katja C Wolthers
{"title":"Enterovirus-associated deafness and myositis in an immunocompromised patient with <i>in vivo</i> and <i>in vitro</i> efficacy of intravenous immunoglobulins and remdesivir: Case report.","authors":"Emma M de Koff, Harmen van Andel, Hanna K de Jong, Anneke J van der Kooi, Carlemi Calitz, Gerrit Koen, Arjan J Kwakernaak, Katja C Wolthers","doi":"10.1177/13596535251385624","DOIUrl":"10.1177/13596535251385624","url":null,"abstract":"<p><p>Enteroviruses can cause severe, chronic infections in patients with primary and secondary humoral immunodeficiencies. These patients may benefit from anti-enteroviral therapy. Here, we report a patient with mantle cell lymphoma treated with chemotherapy followed by autologous stem cell transplantation and rituximab maintenance therapy, who presented with echovirus 7-associated deafness and myositis leading to severe disability. She showed marked clinical improvement and enterovirus clearance from faeces and blood after treatment with intravenous immunoglobulins (IVIgs) followed by remdesivir. We demonstrated efficacy of IVIg and remdesivir against echovirus 7 using virus neutralization and cell culture assays, which supports a potential contribution to the treatment success for both therapies.</p>","PeriodicalId":8364,"journal":{"name":"Antiviral Therapy","volume":"30 5","pages":"13596535251385624"},"PeriodicalIF":2.3,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145249444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pharmacokinetic and mass balance characterization of [14C] RAY1216, a SARS-CoV-2 Mpro inhibitor, in healthy Chinese male subjects. SARS-CoV-2 Mpro抑制剂[14C] RAY1216在中国健康男性受试者体内的药代动力学和质量平衡特征
IF 2.3 4区 医学
Antiviral Therapy Pub Date : 2025-10-01 Epub Date: 2025-09-10 DOI: 10.1177/13596535251377204
Wang Hu, Jiaxiang Ding, Yunqiu Xie, Tonghao Zhang, Yu Peng, Ying Wang, Xiaoni Wang, Peng Xu, Xiaoli Li, Xuefeng Wang, Heyue Wang, Ning Cheng, Jinmei Zhou, Luning Sun, Huan Zhou, Qi Qi
{"title":"Pharmacokinetic and mass balance characterization of [<sup>14</sup>C] RAY1216, a SARS-CoV-2 M<sup>pro</sup> inhibitor, in healthy Chinese male subjects.","authors":"Wang Hu, Jiaxiang Ding, Yunqiu Xie, Tonghao Zhang, Yu Peng, Ying Wang, Xiaoni Wang, Peng Xu, Xiaoli Li, Xuefeng Wang, Heyue Wang, Ning Cheng, Jinmei Zhou, Luning Sun, Huan Zhou, Qi Qi","doi":"10.1177/13596535251377204","DOIUrl":"10.1177/13596535251377204","url":null,"abstract":"<p><p>BackgroundRAY1216 is an alpha-ketoamide-based peptide inhibitor of severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2) major protease (M<sup>pro</sup>). This study evaluated the absorption, distribution, metabolism and excretion of [<sup>14</sup>C]-labelled RAY1216 by oral administration.Research design and methodsThis phase Ι study was designed to assess the pharmacokinetics, mass balance and metabolic pathways in 6 healthy Chinese adult men after a single fasting oral administration of 240 mL (containing 400 mg/100 μCi) [<sup>14</sup>C] RAY1216.ResultsRAY1216 absorbed rapidly in the plasma, with a C<sub>max</sub> of 1796.83 ng/mL, t<sub>max</sub> of 1.42 h and t<sub>1/2</sub> of 5.97 h. RAY1216 is mainly excreted through feces and a small amount through urine, indicating that the excretion of RAY1216 occurs through the fecal route, within 96 h after administration, the majority (>90%) of the radioactive substances were excreted 104.17% of the metabolites were identified in urine and fecal samples. The radioactive transformation pathways suggest that RAY1216 has multiple metabolic pathways, including Oxidation-dealkylation, Mono-oxidation, Hydrolysis, and Urea binding. There were no reports of death, serious adverse events (SAEs), or withdrawals related to SAEs.ConclusionThe overall recovery rate data of radioactive substances in the excreta of all 6 subjects indicate that favourable mass balance recovery. The overall safety profile is favourable, and it demonstrates promising potential in mitigating both the duration and severity of COVID-19, and the comprehensive clinical safety and therapeutic effect are significantly superior to those of similar COVID-19 treatment drugs. RAY1216 can be referred to and further verified for the Phase II and Phase III clinical trials for the treatment of COVID-19.</p>","PeriodicalId":8364,"journal":{"name":"Antiviral Therapy","volume":"30 5","pages":"13596535251377204"},"PeriodicalIF":2.3,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145028854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Best practices for screening, testing, diagnosing, and treating patients with hepatitis D (delta) virus based on global expert review and recent guidelines. 基于全球专家审查和最新指南的丁型肝炎(丁型)病毒患者筛查、检测、诊断和治疗最佳做法。
IF 2.3 4区 医学
Antiviral Therapy Pub Date : 2025-10-01 Epub Date: 2025-09-29 DOI: 10.1177/13596535251349380
Markus Cornberg, Fabien Zoulim, Robert Gish, Ira M Jacobson, Tatyana Kushner, Pietro Lampertico, Mario Rizzetto, Cihan Yurdaydin, Michael Manns
{"title":"Best practices for screening, testing, diagnosing, and treating patients with hepatitis D (delta) virus based on global expert review and recent guidelines.","authors":"Markus Cornberg, Fabien Zoulim, Robert Gish, Ira M Jacobson, Tatyana Kushner, Pietro Lampertico, Mario Rizzetto, Cihan Yurdaydin, Michael Manns","doi":"10.1177/13596535251349380","DOIUrl":"https://doi.org/10.1177/13596535251349380","url":null,"abstract":"<p><p>BackgroundHepatitis D virus (HDV) represents the most severe form of human viral hepatitis, associated with rapid progression to cirrhosis and increased liver-related mortality. Globally, an estimated 9-19 million individuals are anti-HDV positive. To ensure early detetion, current guidelines recommend screening all HBsAg-positive individuals or, at a minimum, those with defined risk factors.MethodsThis expert consensus paper updates the current landscape of HDV management. Recommendations were derived from a structured expert panel discussion, incorporating recent evidence and clinical guideline developments, with a focus on screening, diagnosis, and antiviral therapy.ResultsThe panel emphasized the importance of systematic HDV screening in HBsAg-positive individuals. Therapeutic strategies aim at sustained HDV-RNA suppression and, ideally, HBV surface antigens (HBsAg) loss. Bulevirtide was recommended as a long-term monotherapy. Pegylated interferon alpha (PEG-IFNα), if used, should be limited to 48 weeks and tailored based on viral response and tolerability. Combination therapy with bulevirtide and PEG-IFNα may be considered in selected cases.ConclusionThis consensus provides updated recommendations for the screening, diagnosis, and treatment of HDV infection, highlighting the role of bulevirtide and individualized therapeutic approaches. As the treatment landscape continues to evolve, combination regimens and novel agents currently under investigation may offer additional options in the near future.</p>","PeriodicalId":8364,"journal":{"name":"Antiviral Therapy","volume":"30 4","pages":"13596535251349380"},"PeriodicalIF":2.3,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145190692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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