We hypothesized that PBEF might play a role

We hypothesized that PBEF might play a role NVP-LDE225 mw in acute and chronic liver damage. We show that PBEF is strongly up-regulated in human chronic liver diseases and acute experimental hepatitis. Mice overexpressing hepatic

PBEF at baseline are more susceptible to liver damage during ConA- or D-galactosamine/lipopolysaccharide (LPS)–mediated hepatitis, whereas FK866 protected mice from acute hepatic injury induced by either ConA or D-galactosamine/LPS. ALT, alanine aminotransferase; AST, aspartate aminotransferase; ConA, concanavalin A; CTP, Child-Turcotte-Pugh; ELISA, enzyme-linked immunosorbent assay; IFNγ, interferon-γ; IL, interleukin; LPS, lipopolysaccharide; LTA, lipoteichoic acid; mRNA, messenger RNA; NAD, nicotinamide adenine dinucleotide; Nampt, nicotinamide phosphoribosyltransferase; PARP, poly (adenosine diphosphate-ribose) polymerase; PBEF, pre–B cell colony–enhancing factor; PCR, polymerase chain reaction; RT-PCR, reverse-transcription polymerase chain reaction; shRNA, short hairpin RNA; SIRT, sirtuin; TNFα, tumor necrosis factor α; TUNEL, terminal deoxynucleotidyl transferase–mediated deoxyuridine triphosphate

nick-end labeling. Serum samples were obtained from 83 randomly selected, consecutive patients with clinically, biochemically, radiologically, and histologically confirmed diagnosis of chronic liver disease. Chronic liver disease was staged according to Child-Turcotte-Pugh (CTP) criteria.20 Thirty-nine age- and sex-matched healthy subjects served as a control group. Baseline characteristics of chronic liver disease patients are reported in Table 1. Informed consent was obtained, and the study was approved by the local Rucaparib ethics committee of the Innsbruck Medical University. Nine milliliters of blood were collected in Sarstedt Monovette tubes. Blood was centrifuged at 1,200g for 15 minutes and 1-mL aliquots were stored at −80°C until assayed. Each sample was assigned an encoding number, and all assays were performed in duplicate in a blinded manner. Six- to eight-week old Afatinib solubility dmso female C57BL/6 mice were obtained from Charles River (Sulzfeld, Germany). Mice were housed in accordance with institutional animal care with open access

to standard chow and water. Animal experiments were approved by the Austrian Federal Ministry of Science and Research (license number: 66011/34-II/10b/2009). Unless stated otherwise, mice were injected intravenously through the lateral tail vein with 15 mg/kg ConA from Canavalia ensiformis (Sigma-Aldrich, St. Louis, MO) in endotoxin-free phosphate-buffered saline. Mice received an intraperitoneal injection of 700 mg/kg D-galactosamine (Carl Roth, Karlsruhe, Germany) and 1 μg/kg lipopolysaccharide (InvivoGen, San Diego, CA). Mice were euthanized at the indicated time after injection. FK866 was purchased from Axon Medchem (Groningen, Netherlands) and dissolved in dimethyl sulfoxide; 25-mg/mL aliquots were stored at −80°C until further use.

The 3-year survival rate with native liver in the era before

The 3-year survival rate with native liver in the era before Wnt inhibitor the stool card screening program was 51.7%, which increased to 61.8% in the stool card screening era (Table 1). Why is this improvement not as evident as expected? Persistent and/or progressive jaundice is usually the first alarm of impaired bile flow and progressive liver cirrhosis. In the years before the stool card screening program,

the skills and care involved in liver transplantation were not as fully developed as they are now. Moreover, the concept of a living-related donor had not yet been accepted by the general population. The requirement and timing of liver transplantation was therefore more conservative and delayed. Some patients, however, lived with their native liver despite severe jaundice-related complications. In the era of the stool card screening program, liver transplantation has become more polished and have gained more social acceptance. Pediatricians and surgeons in recent years have preferred to choose an appropriate but earlier timed liver transplantation for those patients with persistent jaundice, before many complications occur. Hence, the 3-year survival rate with native click here liver in the stool card screening era is only slightly better than that of the era without screening. As time goes by, fewer and fewer patients can survive without

transplantation if their jaundice is persistent. In the analyses of 5-year survival with native liver, those born in the stool card screening era already show significantly better results. We believe that jaundice-free survival rate with native liver can reflect the true outcome of BA without the interference

of liver transplantation during time change. Our study defined patients who had jaundice-free survival with native liver as a quality outcome. In our analyses, we found that use of the stool card screening program and Kasai operation before 60 days of age both contribute to quality outcome in BA patients. In the study by Sitaxentan Shneider et al.,17 jaundice-free at 3 months after Kasai operation is an excellent predictor of 2-year survival with native liver. In the current study, patients who were jaundice-free at 3 months postsurgery had significantly higher survival rates with native liver and overall survival rates, as well as more quality outcome in both the 3- and 5-year analyses. Jaundice-free at 3 months after Kasai operation can be an indicator for successful surgery and a valuable predictor of 5-year outcome. In the analyses here, jaundice-free at 3 months after surgery is significantly correlated with the implementation of the stool card screening program and earlier age at surgery. Although the timing of abnormal stool presented is different in each case of biliary atresia, the stool color card alerts the parents, medical personnel, and guardians to find BA patients and send them for Kasai operation earlier when their hepatic damage are milder.

However, deficiency of both ERK and JNK markedly reduced the basa

However, deficiency of both ERK and JNK markedly reduced the basal expression of the Cyp7a1 and Cyp8b1 genes, adding another layer of selleck products complexity in regulating bile-acid synthesis after

MAPK activation. Our study suggests that activating Fxr in the intestine may result in a stronger suppression of bile-acid synthesis, which may be used as a strategy to inhibit bile-acid synthesis to treat diseases with overt bile-acid production. In contrast, inhibiting Fxr in the intestine may lead to enhanced cholesterol conversion to bile acids, which may be used as a useful strategy to reduce cholesterol levels. The authors thank Dr. Silvia Giordano (University of Torino, Torino, Italy) for the cJun-shRNA vector. Additional Supporting Information may be found in the online version of this article. “
“Along with twin and family studies, recent genome-wide association studies suggest that genetic factors contribute to the susceptibility and severity of primary biliary cirrhosis (PBC). Although several reports have demonstrated that the human leukocyte antigen

(HLA) DRB1*08:03 allele is MI-503 associated with disease susceptibility in Japan, the precise analysis of HLA haplotypes and the role of amino acid alignment have not been fully clarified. We investigated HLA class I A, B, and C and HLA class II DRB1 and DQB1 alleles and haplotypes in 229 Japanese patients with PBC and compared them with the published data of 523 healthy subjects. Significant associations were found with PBC susceptibility for the DRB1*08:03-DQB1*06:01 (13% versus 6%; Tyrosine-protein kinase BLK P = 0.000025; odds ratio [OR] = 2.22) and DRB1*04:05-DQB1*04:01 haplotypes (17% versus 13%; P = 0.044; OR = 1.38). Conversely, there were significant

protective associations with the DRB1*13:02-DQB1*06:04 (2% versus 5%; P = 0.00093; OR = 0.27) and DRB1*11:01-DQB1*03:01 haplotypes (1% versus 4%; P = 0.03; OR = 0.37). The frequency of the DRB1*09:01-DQB1*03:03 haplotype was significantly higher in patients who had received orthotopic liver transplantation (33% versus 11%; P = 0.0012; OR = 3.96). Furthermore, the frequency of serine at position 57 (P = 0.0000015; OR = 1.83) of the DRβchain differed the most in patients with PBC, compared with healthy subjects. Conclusion: This study established the role of HLA haplotypes in determining PBC susceptibility and progression in the Japanese population. Further resequencing of the HLA region is required to more precisely identify the genetic components of PBC.

However, deficiency of both ERK and JNK markedly reduced the basa

However, deficiency of both ERK and JNK markedly reduced the basal expression of the Cyp7a1 and Cyp8b1 genes, adding another layer of Y-27632 supplier complexity in regulating bile-acid synthesis after

MAPK activation. Our study suggests that activating Fxr in the intestine may result in a stronger suppression of bile-acid synthesis, which may be used as a strategy to inhibit bile-acid synthesis to treat diseases with overt bile-acid production. In contrast, inhibiting Fxr in the intestine may lead to enhanced cholesterol conversion to bile acids, which may be used as a useful strategy to reduce cholesterol levels. The authors thank Dr. Silvia Giordano (University of Torino, Torino, Italy) for the cJun-shRNA vector. Additional Supporting Information may be found in the online version of this article. “
“Along with twin and family studies, recent genome-wide association studies suggest that genetic factors contribute to the susceptibility and severity of primary biliary cirrhosis (PBC). Although several reports have demonstrated that the human leukocyte antigen

(HLA) DRB1*08:03 allele is Roxadustat associated with disease susceptibility in Japan, the precise analysis of HLA haplotypes and the role of amino acid alignment have not been fully clarified. We investigated HLA class I A, B, and C and HLA class II DRB1 and DQB1 alleles and haplotypes in 229 Japanese patients with PBC and compared them with the published data of 523 healthy subjects. Significant associations were found with PBC susceptibility for the DRB1*08:03-DQB1*06:01 (13% versus 6%; DOK2 P = 0.000025; odds ratio [OR] = 2.22) and DRB1*04:05-DQB1*04:01 haplotypes (17% versus 13%; P = 0.044; OR = 1.38). Conversely, there were significant

protective associations with the DRB1*13:02-DQB1*06:04 (2% versus 5%; P = 0.00093; OR = 0.27) and DRB1*11:01-DQB1*03:01 haplotypes (1% versus 4%; P = 0.03; OR = 0.37). The frequency of the DRB1*09:01-DQB1*03:03 haplotype was significantly higher in patients who had received orthotopic liver transplantation (33% versus 11%; P = 0.0012; OR = 3.96). Furthermore, the frequency of serine at position 57 (P = 0.0000015; OR = 1.83) of the DRβchain differed the most in patients with PBC, compared with healthy subjects. Conclusion: This study established the role of HLA haplotypes in determining PBC susceptibility and progression in the Japanese population. Further resequencing of the HLA region is required to more precisely identify the genetic components of PBC.

We analyzed Fra-1 expression and localization in samples of Wilso

We analyzed Fra-1 expression and localization in samples of Wilson disease, focal nodular hyperplasia (FNH), hepatocellular carcinoma (HCC), hepatitis C virus (HCV), nonalcoholic fatty liver disease (NAFLD), PBC, primary sclerosing cholangitis (PSC) patients, and healthy controls. Interestingly, GDC-0068 we determined the highest fra-1 mRNA expression in samples of PBC and PSC patients. Expression of fra-1 in liver biopsies of Wilson disease, FNH, HCC, HCV, NAFLD was also evident (Fig. 7A). Immunostaining

for Fra-1 showed an evident localization of the transcription factor in inflammatory and bile duct cells in the human biopsies with liver fibrosis, similar to the fra-1tg mice. Healthy controls showed weak staining of inflammatory cells and bile ducts in the portal tracts. Further, we determined the number of Fra-1-positive cells morphometrically. We determined the highest presence of Fra-1-positive inflammatory and bile duct cells in samples of PSC and PBC patients (P < 0.05; Fig. 7A), for which representative

images are shown in Fig. 7B. As there is a strong infiltration of activated T-cells in the livers of fra-1tg mice, we questioned whether immune cells actually drive hepatic fibrosis in this model. We therefore Palbociclib lethally irradiated wildtype mice and performed an adoptive transfer of bone marrow from fra-1tg mice (data not shown). These chimeric mice did not show any signs of liver inflammation, suggesting that Fra-1 expression in the nonhematopoietic compartment is crucial for development of liver fibrosis. Given that cholangiocytes are the only nonhematopoietic lineage expressing Fra-1, this further supports the notion that Fra-1 expression in cholangiocytes is critical for the liver pathology observed in fra-1tg mice. We then crossed fra-1tg mice with rag2−/− mice to determine the contribution of lymphocytes to the progression of liver fibrosis. Interestingly, liver pathology was less pronounced in fra-1tg × rag2−/− mice. We could not detect any signs of an inflammatory reaction in the liver of fra-1tg × rag2−/− mice

(Fig. 8). Although we could still detect liver fibrosis in fra-1tg × rag2−/− mice with a mean fibrotic area of 2.8 ± 0.5 mm2 as compared to fra-1tg mice (10 weeks, mean fibrotic area 6.0 ± 11.9 mm2), the amount of fibrosis was significantly (P < 0.05) reduced (Supporting Fig. Pregnenolone 5). Investigations of mRNA expression of procollagen α1 (I), α2 (I), and α1 (III) in the fra-1tg × rag2−/− determined reduced expression as compared to fra-1tg × rag2+/- mice (Supporting Fig. 5). In addition, the ductular reaction also observed in fra-1tg mice was attenuated in fra-1tg × rag2−/− mice, suggesting that the inflammatory infiltrate participates in liver fibrosis of fra-1tg mice but is not an essential factor for its onset. In this study we demonstrate the involvement of the AP-1 transcription factor Fra-1 in liver injury and fibrosis.

In particular, respondents were primarily concerned with running

In particular, respondents were primarily concerned with running out of their triptan medication with 35% of the Delayed Treatment cohort expressing this concern compared with 22% of the Early Treatment cohort (P ≤ .001). Statistically significant differences were also noted for concerns PD98059 molecular weight about taking medications (P ≤ .001), side effects (P ≤ .05), expense (P ≤ .01), and taking prescription medications (P ≤ .001). Results build upon previously published studies and suggest that patient beliefs directly influence how migraineurs manage

their migraines and have implications for patient outcomes. Such insights should be used to facilitate physician–patient communication and reinforce the need for Gefitinib solubility dmso patient-centered care to improve patient outcomes. “
“Headache disorder is a major public health issue and is a great burden for the person, the health care system, and society. This article

reviews epidemiological surveys of primary headache disorders including migraine and tension-type headache (TTH) among adults in the Asia-Pacific region using the International Classification of Headache Disorders (ICHD), first or second edition. Chronic daily headache (CDH), which is not an official diagnosis in the ICHD, was also reviewed. In the Asia-Pacific region, the median (range) 1-year prevalence of primary headache disorders was 9.1% (1.5-22.8%) for migraine, 16.2% (10.8-33.8%) for TTH, and 2.9% (1.0-3.9%) for CDH. The 1-year prevalence of migraine and TTH were rather consistent; however, the extremes in the 1-year prevalence of migraine in earlier studies from Hong Kong (1.5%) and South Korea (22.3%) were not repeated in later surveys (Hong Kong: 12.5%; South Korea: 6%). According to the United Nations, the estimated population of the Asia-Pacific region was 3.85 billion Protein tyrosine phosphatase in 2010, equaling to headache suffers

of 350 million patients with migraine, 624 million with TTH, and 112 million with CDH; many remain to be treated. The prevalence of headache disorders has remained stable over the last 2 decades in this region, where the diversity of geography, race, and development is wide. Thus, the pursuit of better headache care in this region might be our next challenge. “
“(Headache 2010;50:1273-1277) Objective.— To determine the prevalence of neck pain at the time of migraine treatment relative to the prevalence of nausea, a defining associated symptom of migraine. Methods.— This is a prospective, observational cross-sectional study of 113 migraineurs, ranging in attack frequency from episodic to chronic migraine. Subjects were examined by headache medicine specialists to confirm the diagnosis of migraine and exclude both cervicogenic headache and fibromyalgia. Details of all migraines were recorded over the course of at least 1 month and until 6 qualifying migraines had been treated.

The ecology of most rainforest mammals in Indonesia is poorly kno

The ecology of most rainforest mammals in Indonesia is poorly known, because these species tend to be shy and secretive and therefore difficult to study. This situation is even more acute for medium-large bodied mammal taxa as they typically occur at naturally low population densities. It is therefore ironic that one of Indonesia’s largest mammal species, the Sumatran

tiger Panthera tigris sumatrae, which occurs at the some of the lowest population densities, due to its trophic status and poaching pressures, is one of the country’s best studied. Scientific research on the Sumatran tiger has been enabled by the introduction of camera-trap equipment and associated statistical sampling techniques (Karanth & Nichols, 1998). The overwhelming majority of these studies have estimated tiger population densities with varying levels of precision (O’Brien, Kinnaird & Wibisono 2003; Wibisono et al., 2009) and their http://www.selleckchem.com/products/ch5424802.html spatial habitat use across landscapes with varying levels of disturbance (Kinnaird et al., 2003; Linkie et al., 2006, 2008a). Yet, basic information about interactions between Sumatran tiger and

selleck products their prey, prey ecology or even which species represents principal tiger prey is still lacking. According to the foraging theory, prey such as tapir should be preferentially selected given its large body and presumed low risk posed, being predominantly solitary and lacking tusks, horns, antlers or other defence weapons that might injure

a marauding tiger. To investigate interactions between tiger and their prey, studies should focus on their spatial and temporal dimensions. Thus, strong overlap for both of these is expected for the principal prey species as this will increase tiger encounter rates with these species. In the only study to investigate such patterns, O’Brien et al. (2003) found a significant spatial relationship between Sumatran tiger and wild pig (Sus sp., P<0.05) and sambar Cervus unicolor (P<0.10). Inositol monophosphatase 1 Camera traps also provide information about daily activity patterns of different species, but to date there has been no comparative study of activity patterns between the Sumatran tiger and its putative prey species. Recently, Ridout & Linkie (2009) developed a statistical technique for estimating daily activity pattern overlap between sympatric felid species using camera-trap data that includes a measure of precision of the estimated overlap value. In this study, we apply the methodology of Ridout & Linkie (2009) on camera trap data from the Kerinci Seblat (KS) region to investigate the overlap of predator–prey activity patterns, focusing on the Sumatran tiger and its five presumed principal prey of sambar, red muntjac Muntiacus muntjac, wild pig Sus scrofa, pig-tailed macaque Macaca nemestrina and Malayan tapir Tapirus indicus.

In the left-sided hepatic hydrothorax that we previously reported

In the left-sided hepatic hydrothorax that we previously reported, Levovist, the ultrasonography contrast agent, was seen as jet flow synchronized with heartbeat

inside the pleural cavity. In the present right-sided hepatic hydrothorax, Sonazoid was seen as turbinated flow synchronized with respiration in three of the five patients and as hyperechoic spots diffused inside the pleural cavity in the other two patients, representing a very interesting finding. None of the seven patients experienced any complications during or after the examination. This is the first report to show transdiaphragmatic movement of ascitic fluid into the pleural cavity using contrast-enhanced ultrasonography with Sonazoid. This method can safely detect ascitic flow in real time, and thus, is NVP-BEZ235 nmr very useful for the diagnosis of hepatic hydrothorax. see more
“We read with interest the letter by Marrero and El-Serag that calls for the inclusion of alpha-fetoprotein

(AFP) in the American Association for the Study of Liver Diseases (AASLD) updated guidelines for the management of hepatocellular carcinoma (HCC).1, 2 However, we disagree with their conclusions and feel that the AASLD recommendation to perform HCC surveillance with ultrasonography (US) alone is supported by solid evidence.1, 2 The evidence supporting surveillance programs for HCC with liver US with or without AFP testing stems from the results of a randomized controlled trial and from cohort studies showing that selleck chemical surveillance improves both detection rate of early HCCs and patient survival.3-5 However, it is clear that the authors of the AASLD guidelines took into account the numerous limitations of AFP testing, and therefore it is no surprise that they did not include this serological marker in their HCC surveillance recommendations.2

In fact, although we may agree with Marrero and El-Serag that the Hepatitis C Antiviral Long-Term Treatment Against Cirrhosis (HALT-C) trial is a suboptimal setting to assess the role of AFP for the early detection of HCC, this study had the precious gifts of providing prospectively collected data and to include a large population of patients who were mainly at risk of developing HCC.6 Furthermore, data were available both at HCC diagnosis and 1 year before, thus being as close as possible to everyday clinical practice and therefore providing the best evidence currently available.2, 6 In this study, the sensitivity of AFP at a cutoff of 20 ng/mL was low (i.e., 61%) at the time of HCC diagnosis, yet at 22% it was unacceptably low 12 months before, when HCC was likely present in the majority of patients.

Radioisotopic synovectomy

using a pure beta emitter (phos

Radioisotopic synovectomy

using a pure beta emitter (phosphorus-32 or yttrium-90) is highly effective, has few side effects, and can be accomplished in an outpatient setting. (Level 4) [[18, selleck products 19]] A single dose of clotting factor is often sufficient for a single injection of the isotope. Rehabilitation is less intense than after surgical synovectomy, but is still required to help the patient regain strength, proprioception, and normal functional use of the joint. If a radioisotope is not available, chemical synoviorthesis with either rifampicin or oxytetracycline chlorhydrate is an appropriate alternative [[20, 21]]. Chemical synoviorthesis involves weekly injections until the synovitis is controlled. These painful injections require the administration of intra-articular xilocaine a few minutes before injection of the sclerosing agent, oral analgesics

(a combination of acetaminophen/paracetamol and an opioid), and a dose of clotting factor concentrate prior to each injection. The low cost of the chemical agent is offset by the need for multiple injections of factor concentrate. Rehabilitation, as described for radioactive synovectomy, is recommended. Surgical synovectomy, whether open or arthroscopic, requires a large supply of clotting factor for both surgery and the lengthy period of rehabilitation. The procedure must be performed by an experienced team at a dedicated hemophilia treatment center. It is only considered when other less invasive and equally effective procedures fail. Chronic hemophilic arthropathy can develop any time from the second decade of life FK506 in vitro (and sometimes earlier), depending on the severity of bleeding and its treatment. The process is set in motion by the immediate effects of blood on the articular cartilage during hemarthrosis [[1, 2]] and reinforced by persistent chronic synovitis and recurrent hemarthroses, resulting in irreversible damage. With advancing cartilage loss, a progressive arthritic condition develops that includes: secondary soft tissue contractures muscle atrophy angular deformities Deformity can also be enhanced by contracture following muscle bleeds or neuropathy.

Loss of motion is common, with flexion contractures causing the most significant functional Liothyronine Sodium loss. Joint motion and weight bearing can be extremely painful. As the joint deteriorates, swelling subsides due to progressive fibrosis of the synovium and the capsule. If the joint becomes ankylosed, pain may diminish or disappear. The radiographic features of chronic hemophilic arthropathy depend on the stage of involvement. Radiographs will only show late osteochondral changes. [[22, 23]] Ultrasound or MRI examination will show early soft tissue and osteochondral changes. [[24-26]] Cartilage space narrowing will vary from minimal to complete loss. Bony erosions and subchondral bone cysts will develop, causing collapse of articular surfaces that can lead to angular deformities. Fibrous/bony ankylosis may be present.

The IL28B polymorphism did predict for short duration in the RGT

The IL28B polymorphism did predict for short duration in the RGT arm, with 90% of good-responder patients qualifying for 28 weeks of therapy. Poor-response IL28B patients Vadimezan research buy gained the most from the addition of BOC, with SVR rates increasing approximately twofold.74 The RESPOND-2 trial included only patients with prior relapse and partial response, that is, primary non-responders with a < 2log10 drop in HCV—RNA at week 12 were excluded.73 In this more difficult-to-treat population with a well-documented treatment

history, major improvements were seen in SVR rates irrespective of IL28B genotype. The IL28B genotype was not an independent predictor of SVR. Despite not predicting for SVR, the IL28B genotype did identify patients who were more likely to be eligible for short-duration therapy (36 weeks in total). The ADVANCE trial assessed TVR and peg-IFN/RBV in comparison with peg-IFN/RBV control.77 Patients were randomized to receive either standard of care, or 24 or 48 weeks of peg-IFN or RBV in combination with either 8 or 12 weeks of TVR. A total of 454 Caucasian patients or 42% of the overall trial cohort were genotyped, with improvements compared to control across all IL28B genotypes, but greater than twofold in poor-response genotypes.76 Again, the association between the IL28B genotype and treatment response was attenuated with TVR regimens, and the major SVR increment was noted in patients

who carried the poor-response IL28B genotypes. In contrast to SPRINT-2, SVR rates did increase compared to control Fulvestrant mw in patients with the good-response IL28B genotype. The IL28B genotype identified patients more likely to be eligible for short-duration therapy. The REALIZE study included patients who failed to achieve SVR from prior treatment (i.e. patients with prior primary non-response were included), with patients receiving either 48 weeks of peg-IFN/RBV (control) or 12 weeks of combination triple therapy with TVR, and then another 36 weeks of peg-IFN/RBV.78 Absolute increases in SVR rate of 40–50% were seen with TVR, irrespective of IL28B genotype.75

Again, however, there remained a 18–19% difference in SVR rates observed between the good- and poor-response genotypes, even with the addition of TVR (SVR by IL28B genotype for TVR12/PR48: CC 79% vs CT 61% Y-27632 2HCl vs TT 60%). The IL28B genotype remains relevant to treatment outcomes in the setting of TVR/BOC therapy for treatment-naïve patients, but the strength of the association is attenuated. The major benefit of DAA is in poor-response IL28B genotype patients, where SVR rates are dramatically increased. In good-responder IL28B patients, the SVR benefit of DAA therapy is less clear. We feel that DAA therapy is likely to be associated with a small increase in SVR rate, but that the major benefit of DAA therapy in these patients will be to allow short-duration therapy. SVR rates were not increased in good-responder IL28B patients in SPRINT-2 (BOC), but were in ADVANCE (TVR).