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Few data are available on the virological and clinical outcomes of advanced liver disease patients retreated after first-line DAA failure. To evaluate DAA failure incidence and the retreatment clinical impact in patients treated in the advanced liver disease stage. Data on HCV genotype, liver disease severity, and first and second line DAA regimens were prospectively collected in consecutive patients who reached the 12-week post-treatment and retreatment evaluations from January 2015 to December 2016 in 23 of the PITER network centers. Among 3,830 patients with advanced fibrosis (F3) or cirrhosis, 139 (3.6%) failed to achieve SVR. Genotype 3, bilirubin levels >1.5mg/dl, platelet count <120,000/mm3 and the sofosbuvir+ribavirin regimen were independent predictors of failure by logistic regression analysis. The failure rate was 7.6% for patients treated with regimens that are no longer recommended or considered suboptimal (sofosbuvir+ribavirin or simeprevir+sofosbuvir±ribavirin), whereas 1.4% for regimens containing sofosbuvir combined with daclatasvir or ledipasvir or other DAAs. Of the patients who failed to achieve SVR, 72 (51.8%) were retreated with a second DAA regimen, specifically 38 (52.7%) with sofosbuvir+daclatasvir, 27 (37.5%) with sofosbuvir+ledipasvir, and 7 (9.7%) with other DAAs ±ribavirin. Among these, 69 (96%) patients achieved SVR12 and 3 (4%) failed. During a median time of 6 months (range: 5-14 months) between failure and the second DAA therapy, the Child-Pugh class worsened in 12 (16.7%) patients: from A to B in 10 patients (19.6%) and from B to C in 2 patients (10.5%), whereas it did not change in the remaining 60 patients. Following the retreatment SVR12 (median time of 6 months; range: 3-12 months), the Child-Pugh class improved in 17 (23.6%) patients: from B to A in 14 (19.4%) patients, from C to A in 1 patient (1.4%) and from C to B in 2 (2.9%) patients; it remained unchanged in 53 patients (73.6%) and worsened in 2 (2.8%) patients. Of patients who were retreated, 3 (4%) had undergone OLT before retreatment (all reached SVR12 following retreatment) and 2 (2.8%) underwent OLT after having achieved retreatment SVR12. Two (70%) of the 3 patients who failed to achieve SVR12 after retreatment, and 2 (2.8%) of the 69 patients who achieved retreatment SVR12 died from liver failure (Child-Pugh class deteriorated from B to C) or HCC complications. Failure rate following the first DAA regimen in patients with advanced disease is similar to or lower than that reported in clinical trials, although the majority of patients were treated with suboptimal regimens. Interim findings showed that worsening of liver function after failure, in terms of Child Pugh class deterioration, was improved by successful retreatment in about one third of retreated patients within a short follow-up period; however, in some advanced liver disease patients, clinical outcomes (Child Pugh class, HCC development, liver failure and death) were independent of viral eradication.

Introduction We report interim 24‐weeks efficacy data of ATLAS‐M trial, a phase IV, multicentre, open‐label, randomized study designed to show 48‐weeks, non‐inferior efficacy (margin of −12%) of treatment simplification to atazanavir/ritonavir (ATV/r)+lamivudine (3TC) versus maintaining 3‐drugs ATV/r‐based cART. Methods Subjects on ATV/r+2 NRTIs, without previous treatment failure (TF), with HIV‐RNA <50copies/mL for >3 months and CD4>200 cells/mm3 for >6 months were eligible. At baseline, patients were randomized to switch to ATV/r+3TC (arm one) or to maintain the original 3‐drug regimen (arm two). Primary endpoint: proportion of patients free of TF at week 48. TF was defined as treatment modification for any reason, including virological failure (VF=two consecutive HIV‐RNA>50 copies/mL or a single value >1000 copies/mL). Enrollment of 266 patients was planned. Results A total of 266 patients (78% males, median age 44 years, median CD4 603 cells/µL, 79% treated with a tenofovir‐containing backbone) were enrolled. At the time of analysis, 24 weeks data were available for 84 and 87 patients in arm one and two, respectively. At baseline, subjects in the two arms did not differ for the main characteristics. At 24 weeks, at the intention to treat analysis the proportion of patients free of TF was 91.7% (95% CI 85.8–97.6) and 85.1% (95% CI 77.6–92.6) in arm one and two, respectively (difference +6.6%, 95% CI −2.9/+16.1). VF was observed in two patients randomized to arm one (one at baseline, before treatment simplification) and one to arm two without resistance mutations. Clinical and laboratory adverse events occurred at similar rates in the two arms. At week 24, patients in arm one showed a greater increase in CD4 (mean change +90 vs +10 cells/µL, p=0.007). A greater increase in total cholesterol (+18 vs −2 mg/dL, p<0.001), HDL (+4 vs +0 mg/dL, p=0.001) and LDL (+12 vs +0 mg/dL, p=0.001) was also observed in arm one without differences in other lipid parameters. Renal function showed a significant improvement in arm one (mean change in eGFR +5 vs −2 mL/min/1.73m2 in arm two, p=0.001). No significant differences in bilirubin levels or other laboratory parameters were observed between the two arms. Conclusions This interim analysis suggests a 24‐weeks non‐inferior efficacy of treatment simplification to ATV/rit+3TC as compared to continuation of ATV/rit +2 NRTI in virologically suppressed patients. Follow‐up until 48‐weeks is scheduled to confirm these data.

Esta entrevista fue preparada por la uruguaya Marcela Pini, licenciada en Psicología, activista trans, investigadora de la Universidad de la República Uruguay (UDELAR), y por las ítalobrasileñas Barbara Arisi, antropóloga, indigenista y activista LGBTQI2+, profesora licenciada de la Universidad Federal de la Integración Latinoamericana (UNILA), en Brasil, actualmente investigadora Post Doc de la Universidad Federal de Santa Catarina y de la Universidad Libre VU Ámsterdam, en los Países Bajos, y por Alessandra Caramori, lingüista, profesora e investigadora de la Universidad Federal da Bahía (UFBA), en Brasil.

Esta entrevista fue preparada por la uruguaya Marcela Pini, licenciada en Psicología, activista trans, investigadora de la Universidad de la República Uruguay (UDELAR), y por las ítalobrasileñas Barbara Arisi, antropóloga, indigenista y activista LGBTQI2+, profesora licenciada de la Universidad Federal de la Integración Latinoamericana (UNILA), en Brasil, actualmente investigadora Post Doc de la Universidad Federal de Santa Catarina y de la Universidad Libre VU Ámsterdam, en los Países Bajos, y por Alessandra Caramori, lingüista, profesora e investigadora de la Universidad Federal da Bahía (UFBA), en Brasil.