(14), and Conio et al (15), however, Han et al (12) reported 31

(14), and Conio et al. (15), however, Han et al. (12) reported 312 days median overall survival in stent alone patients. The present

study shows survival benefits for addition of radiotherapy to stent patients of locally advanced disease, its median overall survival time was 237d days, Han et al. (12)reported 499 days, while Song et al. (16) reported Inhibitors,research,lifescience,medical 161 days, this advantage may be due to tumor local control by radiotherapy. Yu et al. in a their trail of offering radiotherapy 4-7 days after stent replacement has reported mean survival of 510 days but this was a very small series (17). In the future, it can be expected that removable stents will be used as a bridge to surgery or radiotherapy to maintain luminal patency during neoadjuvant treatment.

However it is difficult to assess the survival http://www.selleckchem.com/products/otx015.html benefit in these approaches for each treatment modalities as some patients underwent Inhibitors,research,lifescience,medical surgery or radical chemoradiotherapy thereafter (18,19). It is very likely that the survival benefit in group III were due to selection bias as this study was not intended to be a randomized trial. Also patients who offered Inhibitors,research,lifescience,medical stent as first step were those who are having Grade III or more dysphgaia and their survival is expected to be limited. The role of combined EBRT and stent as opposed to either alone is a relevant area of investigation and a randomized phase III study of SEMS +/- EBRT is due to open shortly in the UK (ROCS). In conclusion, combinations of stent and RT may provide survival benefit in patients with malignant dysphagia. A randomized clinical trial Inhibitors,research,lifescience,medical is recommended. Acknowledgements Disclosure: The authors declare no conflict of interest.
Improving outcomes in management of pancreatic cancer remains a challenge, owing to advancement of the disease at presentation. Only 15-20% patients are diagnosed at a resectable or borderline resectable Inhibitors,research,lifescience,medical stage (1). During the past 1-2 decades, adjuvant chemotherapy with surgery first approach did not bring

a significant survival benefit (2-4). Recent studies have shown that neoadjuvant chemoradiation therapy results in Cediranib (AZD2171) better post surgical outcomes for potentially resectable pancreatic cancer (5-7). This has led to change in management strategy in many pancreatic cancer centers from initial surgery to now neoadjuvant therapy followed by surgery, especially in borderline resectable pancreatic cancer. In this approach, preoperative therapy lasts approximately 3 months and is followed by a 1-month recovery period before surgery. Therefore, patients who have biliary obstruction due to cancer in the head of the pancreas need drainage while receiving the treatment and waiting to undergo surgery. Effective biliary drainage is essential to prevent liver toxicity due to chemotherapeutic agents.

This is especially so regarding pediatric aspects of sleep and it

This is especially so regarding pediatric aspects of sleep and its disorders. Health education for parents and prospective parents often pays Epacadostat little regard to sleep. With some commendable exceptions, medical students, and specialist trainees, including pediatricians and child psychiatrists, health visitors, child psychologists, and teachers, receive little relevant instruction despite the fact that they all come into contact with many young people whose sleep is disturbed, sometimes with serious Inhibitors,research,lifescience,medical consequences. This relative neglect of children is interesting

historically. To some degree it can be seen to reflect the very gradual and sporadic Inhibitors,research,lifescience,medical emergence of pediatrics in general as a branch of medicine in its own right. At times (and in some respects still), children have been thought of as little adults. The extent to which this has been the case has been hotly debated by historians. On various grounds, Aries1 argued that for many centuries childhood was not acknowledged as a distinct period of development. This view was considered by some to Inhibitors,research,lifescience,medical have lingered on in some respects until as late as the 19th century; witness child labor and sometimes the use of severe punishment of the type meted out to adults. Others have vigorously contested

Aries’ claim, pointing out the various ways in which, from early times, children have been recognized by parents and both secular and Church law, for example, as being very different from adults.2 Despite this counterclaim, it is interesting to trace the slow

and (at least initially) Inhibitors,research,lifescience,medical faltering development of pediatrics as a specialty, the classic account of which remains Still’s The History of Paediatrics, first published in 1931.3 Hippocrates was probably the first eminent writer to pay special attention to children’s diseases, followed, some hundreds of years later, by Soranus Inhibitors,research,lifescience,medical and Galen and then, much later again, Rhazes and however Avicenna. Still describes the gathering (although sporadic) momentum in more recent centuries, often in relation to descriptions of individual pediatric conditions, but eventually leading to more systematic and comprehensive clinical accounts and provision of pediatric services in the 19th and 20th centuries. Along the way, a particularly notable figure, for whom Still seems to have had a special regard, was Thomas Phaire, a lawyer and physician, who in 1545 published The Bote of Chyldren, the first pediatrics textbook written by an Englishman.4 The book proved very popular, and ran to several editions. It deserves special mention for many reasons, not least because it discusses children’s sleep problems and disorders.

The chloroform extract showed moderate amount of the

The chloroform extract showed moderate amount of the hydroxyl radical scavenging activity as compared to the ascorbic acid Dabrafenib price standard. On the other hand, petroleum ether extract failed to exhibit hydroxyl radical scavenging activity which could be attributed to the absence of phenolics and less number of flavonoids (Fig. 4). The flavonoids and flavonols together are thought to be responsible

for a good antibacterial activity and an increase in these contents increases the antibacterial activity. The amount of flavonoids content is found to be more than the phenolic content in methanolic extract which imparts good antimicrobial activity to the extract.14 The antibacterial activity of the extract was assessed using five different organisms and the dose dependent activity was recorded for all the three extracts. Among the different extracts, the methanolic extract of the plant exhibited strong antibacterial activity that was comparable to that of the Modulators standard streptomycin (Table 1). Further, the antifungal activity of the plant extract was not significant although the methanolic extract did show a moderate to weak antifungal activity against various

strains tested (Table 2). In the present investigation, we have shown the pharmacological importance of the plant, Enzalutamide ic50 M. umbellatum, which is an endemic plant with high medicinal value, found in the Western Ghat region of Karnataka State, India. Although, the pharmacological value of this plant has not been established systematically, it is being widely

used by the traditional healers for the treatment of several diseases and infections. Among various extracts tested, the methanolic extract showed very good antioxidant activity. Further, although the chloroform extract is rich in phenolic content, its antioxidant activity is less than that of methanolic extract which may be due to the presence of high flavonoids and terpenoids content. Although the exact mode of action is unknown, the scavenging activity exhibited by the methanolic extract of M. umbellatum leaves was higher than the standard ascorbic acid. The extracts also showed very good antibacterial activity and moderate antifungal activity which could be attributed to the phenolics and terpenoids content. Although the present data suggests the usefulness of this plant in the treatment of various Adenosine diseases, in depth studies are needed to substantiate this. Further studies on other biological activities such as hypoglycemic activity are needed to be studied in detail as this plant is also being used to treat diabetic patients. The isolation and purification of individual active components from this plant extract and their detailed analysis should reveal the exact structure – activity relationship. All authors have none to declare. The authors are thankful to Kuvempu University and the department of biochemistry for providing the necessary facilities to carry out this work.

28 Noxious stimuli will disturb a variety of neuronal circuits an

28 Noxious stimuli will disturb a variety of neuronal circuits and, hence, a variety of psychological systems. The extent to which neuronal disruption will be induced by a noxious stimulus is variable, because it is influenced by personality strength and neuronal adaptability. selleck chemicals llc Psychiatric conditions will therefore lack symptomatological consistency and predictability. For instance, mood lowering is blended

with fluctuating measures of anxiety, anger, obsessional thoughts, addictive behavior, cognitive impairment, and psychotic features. These features will vary in intensity and prominence between subjects and, over time, within the same individual. The need to demarcate Inhibitors,research,lifescience,medical depression categories is thus never-ending and in essence futile. The reaction-form model provides an explanation for several other urgent questions facing Inhibitors,research,lifescience,medical psychiatry. First, the question as to why most psychiatric patients seem to suffer from a multitude of disorders. According to this model, the co-occurrence of various discrete mental disorders is mainly appearance. In fact, we are dealing with ever-changing composites of psychopathological features. Secondly, the reaction-form model offers an Inhibitors,research,lifescience,medical explanation for why, in spite of more than 35 years of intense efforts, no biological

markers of categorical entities have been established, whereas the search for correlations between psychological and biological dysfunctions has been quite successful. The reaction-form model, if valid, would have profound consequences for biological psychiatry The search for markers and, eventually, causes of discrete mental disorders would be Inhibitors,research,lifescience,medical largely futile. The most one could do would be to group the multitude of reaction patterns in a limited number of diagnostic “basins,” Inhibitors,research,lifescience,medical such as the

group of the psychotic, dementia!, and affective reaction forms, each of which, however, would show considerable heterogeneity. Just as it is Histone demethylase futile to search for the antecedents and characteristics of, for example, the group of abdominal disorders, so it would equally be foolhardy to hope for the discovery of, eg, the pathophysiology of the “basin” of affective reaction forms. Within the scope of this model, the focus of biological psychiatric research has to shift from the alleged mental “disorders” to disordered psychological domains. It is not schizophrenia, panic disorder, or major depression as such that will be studied, but disturbances in perception, information processing, mood regulation, anxiety regulation, and impulse control, to name but a few. A biology of psychological dysfunctions as they occur in dysfunctional mental states would thus be the ultimate goal of biological psychiatric research.

Event-related potentials P50 auditory ERPs The majority

o

Event-related potentials P50 auditory ERPs The majority

of evidence in support of electrophysiological candidate intermediate phenotypes in schizophrenia derives from studies of event-related potentials (ERPs), particularly components of P50 auditory ERPs.60-72 Most studies of ERPs in schizophrenia are designed to determine aspects of waveform amplitude or latency that distinguish healthy controls from patients and their unaffected siblings. P50 studies, however, are typically composed of a series of trials in which paired click stimuli (S1, S2) are presented with a 500-ms #GDC 973 keyword# interstimulus interval and a 8- to 10-s intertriai interval, to an alert subject. The role of the P50 as a candidate intermediate phenotype

is principally based on group differences in the ratio S2/S1, or the P50 ratio.60-65 Similar findings have been reported for the ratio S2/S1 in the N100 ERP64-65 Variance between groups Inhibitors,research,lifescience,medical in the P50 auditory ERPs has been conceived as reflecting perturbed inhibitory factors, on the basis of the recognition that the amplitude of specific components of a sensory ERP in healthy subjects declines with repeated stimulation, depending upon the interstimulus interval and the refractory period Inhibitors,research,lifescience,medical of neural generators. As a result, it has been proposed that dysmodulated sensory signals are permitted access to higherorder cortical processing, an assumption for which direct evidence is lacking.60-63 On the basis of evidence that patients with schizophrenia and their unaffected siblings had a larger P50 ratio than healthy comparison groups, previous studies of the P50 found support for this ERP as a plausible candidate intermediate phenotype in schizophrenia. For example, Inhibitors,research,lifescience,medical on the Pacific island nation of Palau, Myles-Worsley63,69 examined P50 sensory gating in 85 schizophrenia patients (56 medicated with typical antipsychotics and 29 unmedicated), 83 of their first-degree relatives (46 parents and 37 siblings), and 29 normal comparison subjects. Abnormal P50 ratios were

found in 64.7% of the schizophrenia patients and 51.8% Inhibitors,research,lifescience,medical of their first-degree relatives, but only 10.3% of the normal subjects. This proportion of abnormal P50 sensory gating in relatives versus normal subjects resulted in a risk ratio of 5.0. A relative risk of this size is unusual in comparison with relative risk of ±2 in the majority of studies of complex disorders, Adenylyl cyclase but evidence suggests the prevalence of schizophrenia in this isolated population may be twice the incidence reported elsewhere. Recently, Leonard and colleagues70 found that P50 ratio distinguished schizophrenia patients (P50 ratio >0.5) from healthy controls (P50 ratio <0.5), and predicted the likelihood of a group association with variant single nucleotide polymorphisms (SNPs) in the promoter region of the gene for the 0C7-nicotinic receptor (CHNRA7).

Patients on etanercept had greater improvements on measures of de

Patients on etanercept had greater improvements on measures of depression (as measured by Beck Depression Inventory) than those on placebo. Notably, these improvements were not associated with reduction in psoriatic plaques or joint pain, which indicates a primary effect of TNF antagonism on depression, not simply a cosmetic or click here analgesic effect.108 These effects were confirmed in subsequent longer term studies in psoriasis patients109,110 and in patients with Inhibitors,research,lifescience,medical rheumatoid arthritis.111 A similar effect has been shown with the TNF-α

monoclonal antibody infliximab.112,113 Adiposity as a possible causal pathway to depression In considering possible sources of inflammation leading to depression, there has been increasing interest in the role of obesity. Rates of overweight and obesity have increased tremendously in recent years in both adults and children.114-119 Along with this has been an epidemic of related metabolic conditions Inhibitors,research,lifescience,medical like type 2 diabetes, dyslipidemias, cardiovascular and fatty liver disease, and certain forms of cancer.120-122 The bulk of evidence links obesity and its attendant complications to inflammation.123-125 Inhibitors,research,lifescience,medical The possible relationship between depression and obesity appears to be bidirectional, as evidence indicates that being depressed also increases the risk for the subsequent development of obesity, probably mediated, in part, by inactivity.126 Obesity

as an Inhibitors,research,lifescience,medical inflammatory state Adipose tissue is now understood as being a very complex organ system.127 White adipose tissue (WAT) is the main location for long-term fat storage in the body. WAT, particularly in the abdomen, is the main contributor to metabolic diseases.122,128,129 Adipocytes in WAT secrete a variety of hormones, inflammatory factors including cytokines (referred to Inhibitors,research,lifescience,medical as adipocytokines or adipokines).130,131 These factors include hormones traditionally associated with adipose tissue such as leptin, adiponectin, resistin, and visfatin; however, adipocytes can also secrete

IL-6 and TNF-α.130,130 Nevertheless, one of the primary mechanisms for the induction of inflammation in adipose tissue is the secretion of chemokines, particularly MCP-1. MCP-1 attracts leukocytes such as macrophages, T lymphocytes, and dendritic cells to adipose tissue, which in turn secrete cytokines including IL1, IL6, and TNF-α.132,133 Thus, chemokines and cytokines produced by WAT may contribute to widespread mafosfamide immune activation, potentially causing or exacerbating diseases associated with inflammation such as type 2 diabetes, cardiovascular disease, cancer, and depression.130 Leptin is another important peptide produced by adipocytes that regulates dietary intake. It regulates appetite by acting on leptin receptors in brain, particularly the hypothalamus.134 In the case of obesity, a state of leptin resistance develops in which circulating levels are actually increased but responsiveness is reduced.

68 In summary, the above clinical variables predict poor antidepr

68 In summary, the above clinical variables predict poor antidepressant outcomes in LLD. However, there is insufficient understanding of how they contribute to poorer outcomes, and so their clinical utility is limited. This lack of understanding is part of the gap between personalized medicine (matching treatment, to patients based upon patient characteristics) and the current trialand-error approach to LLD management. The relationship of genetic and drug exposure variability to TRLLD Functional genetic polymorphisms change the pharmacodynamics of antidepressant medications; therefore, Inhibitors,research,lifescience,medical it is posited that antidepressant outcomes in LLD can be predicted by genetic

variation in their homologous receptor targets.69 In other words, functional genetic variation of the 5-HTT is expected to affect. SSRI response, while variation in the norepinephrine transporter (NET) is expected to affect. SNRI response. One example is the serotonin transporter linked polymorphic region (5-HTTLPR) in the promoter Inhibitors,research,lifescience,medical of the gene that encodes for the serotonin transporter (5-HTF), the primary Inhibitors,research,lifescience,medical target of SSRIs. A deletion

polymorphism in 5-HTTLPR, the s allele (s=“short” vs l=“long”), appears to be functional: it reduces expression of 5-HTT so that individuals with the s allele have fewer 5-HTTs than those with 1/1 genotype. The association of the s allele with poorer SSRI outcomes has been demonstrated in LLD,70 including a study from

our group that, was the first to report this association in LLD.20 The association appears specific to SSRIs and was not found with mirtazapine71 or nortriptyline.70 In addition, Inhibitors,research,lifescience,medical we think that measures of drug exposure are needed to Inhibitors,research,lifescience,medical interpret clinical and genetic findings.72 Specifically, we think that, pharmacokinetic modeling is important in pharmacogenetic www.selleckchem.com/products/ABT-263.html analyses. Supporting this contention, Lotrich et al73 found that the 5-HTTLPR s allele predicted poorer treatment outcome at lower concentrations of paroxetine but not at. higher concentrations. Following up on this observation, Lotrich examined depressed elderly subjects who were treated in an openlabel paroxetine study and who were genotyped (n=110). Again, there was an interaction between paroxetine concentration and 5-HTTLPR genotype on symptomatic improvement over 12 weeks (F(18,59.5)=1.8; P<0.05): paroxetine concentrations were correlated with change in the Hamilton Linifanib (ABT-869) Depression Rating Scale (HAM-D) in subjects with the s allele, but not. in subjects homozygous for the 1 allele. In other words, the s allele moderated the impact of the drug. ‘ITtiesc data demonstrate the importance of pharmacokinetic data for conducting meaningful pharmacogenetic analyses. This issue is particularly relevant to geriatrics, as age-related changes in drug elimination amplify drug concentration differences for a given dose.

In a recent GWAS on a Norwegian sample, Athanasiu et al100 also f

In a recent GWAS on a Norwegian sample, Athanasiu et al100 also failed to find genome-wide significant results in their discovery sample (n=506), probably due to the small sample size. However, when they analyzed the top 1000 SNPs of their study (or the surrogates of these SNPs) in the SGENE-plus consortia sample,41 16 loci showed marginal association (P<0.05). In the combined analysis they observed three markers to be significant at the genome-wide

level. These were- rs7045881 in the gene phospholipase A2-activating protein (PLAA, 9p21, P=2.12×10-6, OR=0.86); rs433598 in acyl-CoA synthetase medium-chain family member 1 (ACSM1, 16p12.3, P=3.27×10-6, OR=1.13); and rs10761482 in ankyrin 3, node of Ranvier (ankyrin G) gene Inhibitors,research,lifescience,medical (ANK3, 10q21, P=3.27×10-6, OR=0.86). The function of these genes includes inflammatory response and membrane integrity (PLAA), endocrine function and dislipidemia (ACSM1), and involvement Inhibitors,research,lifescience,medical in activities such as cell motility, activation, proliferation, contact, and maintenance of specialized membrane domains (ANK3). Interestingly ANK3 has also been associated with bipolar disorder in a recent meta-analysis.101 In addition to the above observations, Inhibitors,research,lifescience,medical Schulze et al102 also observed nominal association of genes for bipolar disorder that have been associated with schizophrenia in candidate gene

as well as genome-wide association studies (DISCI, NRG1, RELN, and OPCML). One of the major new observations from the GWAS studies is the fact that many of the positive loci Inhibitors,research,lifescience,medical for schizophrenia are also positive in bipolar, and vice-versa. This molecular-genetic overlap may have important implications for diagnostic classification of schizophrenia in the future DSM-5 and beyond. Also in the future, the field will see a transition from SNP methodology to DNA sequencing. Thus all of the DNA variation in a given gene will be detected. For example, the sequencing will detect small insertions and deletions, as well as repeat sequences, that largely would have been missed by the current SNP arrays. The downside of this Inhibitors,research,lifescience,medical large increase in the amount of information available will be even more

multiple testing challenges, as well as considerable labor to establish the functional status of each else variant of the gene in question. Copy number variation and schizophrenia Considering that two thirds of the cases of schizophrenia are sporadic, a role of rare variation in development of schizophrenia is not unexpected. Rare variations can include mutations as well as deletions and duplications. Copy number variations (CNV) are submicroscopic deletions or duplications stretching from a few kilobases to Afatinib nmr several megabases covering several or many genes. One of the earliest well-supported deletions relating to schizophrenia is on 22q11. This region, also known as the velocardiofacial/DiGeorge (VCFS) syndrome region, is caused by a deletion of 1.

Brain MRI was performed before, 1, 3, 6 and 12 months after surge

Brain MRI was performed before, 1, 3, 6 and 12 months after surgery with the dog under general inhalant anesthesia using a GE Signa HDx 3/0T scanner. A sagittal localizer series (TR = 400 ms/time and TE = 20 ms) was performed Nutlin-3a price to delineate subsequent transverse images. The following MR images were acquired precontrast: sagittal T2 (TE = 105, TR = 2967, 2.5 mm slice thickness, 0.2 mm slice spacing), axial T2 (TE = 102,

TR = 3000, 2.5 mm slice thickness, 0.2 mm slice spacing), dorsal T2 (TE = 102, TR = 3017, 3.0 mm slice thickness, 0.2 mm slice spacing), axial T2 flair (TE = 120, TR = 8000, 2.5 mm slice thickness, 0.2 mm slice spacing), axial gradient (TE = 13.5, TR = 800, 2.5 mm slice thickness, 0.2 mm slice spacing), axial T1 flair (TE = min full, TR = 2500, 2.5 mm slice thickness, 0.2 mm slice spacing), DWI (TE = min, TR = 10,000, 2.4 mm slice thickness), DTI (TE = min, TR = 10,000, 3.0 mm slice thickness, 0.3 mm slice spacing), 3DT of MTFS (TE = min, TR = min, 1.6 mm slice thickness with 2 overlap locations). Further images were aquired after gadolinium-diethylenetriamine Modulators pentaacetic acid (DTPA) bismethylamide at 0.1-mmol/kg body weight (BW) (Omniscan, C59 wnt GE Healthcare Inc, Princeton, NJ): axial T1 flair (TE = min full, TR = 2500, 2.5 mm slice thickness, 0.2 mm slice spacing), sagittal TI (TE = min full, TR = 700, 2.5 mm slice thickness, 0.2 mm slice spacing), dorsal T1 (TE = min

full, TR = 700, 3.0 mm slice thickness, 0.2 mm slice spacing). The scans were Phosphoprotein phosphatase evaluated for tumor location, signal intensity, gadolinium enhancement pattern, peritumoral edema and tumor volume. For the surgical procedure,

the dog was placed in sternal recumbency with the head elevated and secured in a craniotomy head stand to prevent jugular vein occlusion. Intravenous catheters were aseptically placed in peripheral veins to administer propofol (6 mg/kg/min continuous intravenous infusion) to maintain general anesthesia and lactated Ringers solution (10 mL/kg/h) throughout the procedure and for administration of other drugs. Antibiotic prophylaxis was given using cefazolin (22 mg/kg BW IV), 20 min prior to surgery, every 90 min during surgery. A cuffed endotracheal tube was placed to administer oxygen to induce mild hypocapnia (PaCO2 25–35 mmHg). Capnometry (Datex 254 Airway Gas Analyzer, Puritan-Bennett Corp., Wilmington, MA) and arterial blood gas measurements (AVL 995 pH/blood gas analyzer, AVL Scientific Corp., Roswell, GA) were performed to verify maintenance of a hypocapnic state. A catheter was placed in a dorsal pedal artery and connected to an electronic pressure transducer (Transpac II pressure transducer, Abbott Critical Care System, North Chicago, IL) and a pressure monitor (Vital Signs Monitor, PhysioControl VSMI, PhysioControl Inc., Redmond, WA) to directly measure mean arterial blood pressure.

e 14 days PD3) Thus, it is important to note that enrollment pa

e. 14 days PD3). Thus, it is important to note that enrollment patterns and rotavirus circulation patterns may influence the interpretation of background rates of antibody. Although rotavirus is known to circulate throughout the year in Bangladesh and Vietnam, rotavirus activity is highest during certain months of the year. For the Modulators subjects who participated

in the immunogenicity cohort, Bangladesh enrolled some of the subjects during the months of highest rotavirus S3I-201 molecular weight activity, while Vietnam enrolled them in a single month during the high rotavirus season. Another important observation is that at the time these Asian subjects received Dose 1, at approximately 4–10 weeks of age, they have little to no pre-existing serum anti-rotavirus IgA as evidenced by the low GMT levels. However, at the time of the first dose, nearly all subjects, whether they received PRV or placebo, had high levels of SNA against all the rotavirus serotypes tested,

suggesting acquisition of SNA transplacentally or via breastmilk (the isotype of the prevalent neutralizing antibody responsible for the neutralization activity in the SNA assay is not known). This observation supports the suggestion that pre-existing maternal antibody plays an important role in learn more vaccine take of live oral rotavirus vaccines [27]. Our clinical trial demonstrated that the immunogenicity of PRV was consistently higher in Vietnamese than in Bangladeshi subjects in all immunogenicity assays performed. In addition, higher immune response levels translated into higher efficacy level as demonstrated in the

same trial (Vietnam, 68.1% [95% CI: 7.6, 90.9%]; Bangladesh, 42.7% [95% CI: 10.4, 63.9%]) [15]. The differences in efficacy between the two countries may be the result of the different intensity of the immune responses in these populations together with heterogeneous socio-epidemiological circumstances of the study populations. However, it is important to note that the higher point estimate of efficacy in Vietnam than in Bangladesh may be attributable to a low degree of precision in this study, check as the study was not designed to make statistical comparisons between the countries. In brief, three oral doses of PRV were immunogenic in two GAVI-eligible Asian countries, Bangladesh and Vietnam, although differences were noted between these two countries. Both the serum anti-rotavirus IgA response and SNA GMT levels following the third dose of PRV were lower among infants in Bangladesh that in Vietnam. While the immune responses measured in Vietnamese children were comparable to those among children in Latin America and Europe [21] and [24], the immune responses measured in Bangladeshi children were more comparable to those shown in impoverished populations in Africa [25]. Understanding differences between these two populations might help elucidate the well-recognized difficulties of live oral vaccines in developing countries.