To verify N caninum immunostaining, IFAT was performed with mous

To verify N. caninum immunostaining, IFAT was performed with mouse sera collected at 45 d.a.i. as previously described [29]. Slides 5-Fluoracil ic50 containing formolized tachyzoites were incubated with serum samples diluted 1:50, and then with FITC-labeled goat anti-mouse IgG (1:50; Sigma). Slides were overlaid with buffered glycerol and examined in fluorescence microscope (EVOS, Advanced Microscopy Group, Inc., Mill Creek, WA). Two weeks after the last immunization (45 d.a.i.), three mice from each group were euthanized and

their spleens were aseptically removed for cell culture and cytokine production assay. Mouse spleens were dissociated in RPMI medium and cell suspensions were washed in medium, treated with lysis buffer (0.16 M NH4Cl and 0.17 M Tris–HCl, pH 7.5), washed again and resuspended in complete RPMI medium containing 10% CFS. Viable cells (2 × 105 cells/200 μl/well) were cultured in triplicate in

96-well plates in the presence of antigen (NLA, 10 μg/ml), mitogen (Concanavalin A – ConA, 2.5 μg/ml) or medium alone and incubated at 37 °C in 5% CO2. After 48 h, cell-free supernatants were collected and stored at −70 °C for cytokine quantification. IL-10 and IFN-γ measurements were carried out by sandwich ELISAs according to manufacturer’s AZD6738 datasheet instructions (R&D Systems, Minneapolis, MN). The limit of detection for each assay was 31 pg/ml and intra-assay variation coefficients were below 15%. After 30 days of the last immunization (60 d.a.i.), the remaining animals of each group (10 per group) were challenged intraperitoneally (200 μl/mouse) with 2 × 107 low-passage Nc-1 tachyzoites. Animals were observed daily for clinical signs through morbidity scores, body weight changes

and mortality during 30 days post-infection (d.p.i.). Morbidity scores were calculated as described elsewhere [32], with minor modifications as follows: sleek/glossy coat, bright and active (score 0); ruffled coat (score 1); hunched, tottering gait, starry stiff coat (score 2), reluctance to move (score 3). Results were expressed as the mean of the scores given daily to each animal for each group. After 30 days of challenge, surviving animals were euthanized and blood much samples and brain tissues were collected. Serum samples were tested for N. caninum serology and brain tissues were sliced longitudinally, being half of them stored at −70 °C for polymerase chain reaction (PCR) assay. The remaining tissue was fixed in 10% buffered formalin, embedded in paraffin and routinely processed for immunohistochemical and histological assays. Brain parasite load was determined by quantitative real-time PCR as previously described [29], using primer pairs (sense 3′ GCTGAACACCGTATGTCGTAAA-5′; antisense 3′-AGAGGAATGCCACATAGAAGC-5′) to detect the N. caninum Nc-5 sequence through SYBR green detection system (Invitrogen, San Francisco, CA). DNA extraction was performed from 20 mg of murine brain tissues (Genomic DNA kit, Promega Co.

Noteworthy, FITC fluorescence was confined to microchannels ( Fig

Noteworthy, FITC fluorescence was confined to microchannels ( Fig. 9b), while diffuse Rh B fluorescence

was clearly observed around the pores and more extensively in MG-132 chemical structure deeper skin layers ( Fig. 9a). Depth penetration profiling demonstrated relatively deep Rh B permeation with detectable red fluorescence at 190 μm. On the other hand, the green FITC fluorescence was significantly reduced at a depth of 130 μm and almost disappeared at 150 μm ( Fig. 9c and d, respectively). Difference in permeation of Rh B and FITC was further substantiated by modulating the initial dye loading of NPs. While increasing Rh B loading (F6–F8, Table 1) generally resulted in a proportional significant increase in flux (Fig. 10), an increase in FITC loading (F9–F11) had an opposite effect (Fig. 10). Results verified the role of solubility as a primary determinant of the flux of small size permeants across hydrophilic deeper skin layers. Release of a larger amount of the water soluble Rh B dye around the NPs depot sites would build up a larger concentration gradient, the main driving force for transport of soluble permeants [20]. Increasing the concentration of hydrophilic permeants such as naltrexone salts resulted in increased MN-mediated transdermal flux [48]. Although

data for more drugs are needed, drug loading of nanocarriers is a formulation factor

that can be modulated to control permeation of nanoencapsulated drugs with different molecular characteristics RAD001 clinical trial through microporated skin for different skin delivery purposes. Skin permeation data (Table 2) and CLSM imaging (Fig. 9) combined with absence of NPs in the receiver compartment during the study as confirmed by TEM provided sufficient evidence to suggest that only the free dye released from NPs permeated skin layers to the receiver compartment of the diffusion cell. It is worth mentioning that porcine skin barrier function proved to be maintained for 48 h using TEWL measurements [31] which was verified in this study by the absence of NPs in the receiver compartment after 48 h. Further, data found indicated that post-infiltration of NPs in MN-created microchannels, a process affected largely by NPs characteristics, skin permeation rates of the released dyes were determined primarily by their molecular characteristics. The more hydrophilic Rh B dye permeated MN-treated skin at a significantly greater rate compared to the hydrophobic FITC dye of smaller MW, though both were encapsulated in PLGA NPs with similar properties. Findings tend to indicate that the MN/nanoencapsulation combined approach could be of benefit in enhancing transdermal delivery of hydrophilic drugs and controlling dermal localization of hydrophobic drugs.

3 These data suggest that the doxylamine-pyridoxine combination i

3 These data suggest that the doxylamine-pyridoxine combination is not only capable

of eradicating mild and moderate forms of NVP, but also of preventing severe cases. Data presented by Neutel reiterate these findings: during the 1990s the increased use of the pyridoxine-doxylamine combination by Canadian women has been associated with a reduction in the hospitalization rates for severe NVP. In conclusion, with the availability of a safe and effective FDA-approved drug for NVP, there is no reason for women to be exposed to a drug of unproven maternal and fetal safety, which has not been labeled for NVP. “
“Two statistics were incorrect in the study results provided in a research paper published in October 2011 (McDonald SD, Pullenayegum E, Taylor VH, et al. Despite 2009 guidelines, few women report being counseled correctly about CT99021 in vivo weight gain during pregnancy. Am J Obstet Gynecol 2011;205:333.e1-6.). In Table 2, “Patient perception of

prenatal counseling recommendations” (page 333.e3), under the heading “Respondents, n (%)” for subjects who “Were counseled selleck kinase inhibitor to consume an amount or range of additional calories each day by health care provider” (sixth category under Outcome), the correct total is 55 (17.9), not 253 (17.9), as published. (The total is 55 because values were missing for 5 subjects.) The Results section of the text, beginning with the final paragraph in column 1 on page 333.e4, states: “Fewer than 1 in 5 patients (17.7%) reported that their health care provider

recommended that they eat a specific range of additional calories each day; one-third of them could not recall the amount that had been recommended.” The correct percentage is 17.9%. “
“Berkley E, Chauhan SP, Abuhamad A. Doppler assessment of the fetus with intrauterine growth restriction. Am J Obstet Gynecol Liothyronine Sodium 2012;206:300–8. In a 2012 SMFM Clinical Guideline on Doppler assessment of the IUGR fetus, the key to abbreviations of a flowchart included an error. In Figure 5, “Algorithm for clinical use of Doppler ultrasound in management of suspected IUGR” (page 306), “UA,” used in 3 boxes in the flowchart, was incorrectly identified as “uterine artery.” The spellout in this context should have been “umbilical artery. The error was perpetuated in the legend for the same flowchart, renamed Figure 6, in a subsequent republication of the slightly revised paper in another journal (Copel JA, Bahtiyar MO. A practical approach to fetal growth restriction. Obstet Gynecol 2014;123:1057-69). A correction has been published in that journal as well. “
“It was stated in the March 2014 issue of the Journal that no reprints were available from the authors of a research article (Zhang W-x, Jiang H, Wang X-m, et al. Pregnancy and perinatal outcomes of interventional ultrasound sclerotherapy with 98% ethanol on women with hydrosalpinx before in vitro fertilization and embryo transfer.

21-fold increase in GMC in the CTC group (95%CI = 4 00–4 43) and

21-fold increase in GMC in the CTC group (95%CI = 4.00–4.43) and a 4.51-fold (95%CI = 4.31–4.73) in the SCC group. The upper limit of the 95%CI for the ratio of GMCs was 1.16. The regression model adjusting for GMC at baseline and previous vaccination showed a GMCs ratio of 0.99 (95%CI = 0.72–1.36). The PP analysis did not show any significant differences (Table 4). Almost all participants (97.3%) were observed

for the full 30 min after vaccination. No AEs were observed during this period. A small number of participants (n = 25) self-reported AEs occurring 7 days after vaccination (2 in CTC, 23 in SCC, p < 0.000). These were characterized buy ZD1839 by a local reaction at the injection site with pain and swelling accompanied by fever in 13 cases and headache in 8. No AEs were reported

by health centers. This study demonstrates the stability and immunogenicity of TT kept in CTC at SAR405838 chemical structure temperatures <40 °C for up to 30 days. Laboratory results showed that TT in CTC retained adequate potency levels. Seroprotection results and cumulative distribution curves showed similar immunological responses in CTC and SCC groups. In this study, the high proportion of participants already protected at baseline resulted in a reduction of power to detect the non-inferiority in seroconversion in the CTC group at a 5% margin as intended. However, previous CTC studies have used 10% non-inferiority margin [25]. In this study, a 10% margin with a protection threshold of 0.20 IU/ml results in 96.3% power to establish non-inferiority of TT in CTC. Seroconversion

results, comparable increases in GMC and vaccine’s stability demonstrated in the preliminary study phase indicate that TT in CTC does not result in a significant loss of vaccine effectiveness. The possibility of using TT in CTC is a major advantage for countries where maternal and neonatal tetanus continues to be a public health problem. WHO recommends immunization against tetanus with the combined tetanus and diphtheria toxoids [26]. However, TT continues to be used in most countries aiming to achieve MNTE goals [27]. The implementation of SIAs in CTC presents an opportunity to reach populations that are inaccessible by “traditional” strategies. Registration of AEs occurring after vaccination relied on self-reporting. Mephenoxalone Previous studies have shown that spontaneous reporting of AE after TT administration is infrequent [28]. A larger number of women might have experienced reactions that were not reported; there was no indication that any serious unreported AE occurred. In this study, baseline tetanus protection was higher than anticipated. It is possible that despite the use of a structured questionnaire by trained interviewers, not all previous TT doses were captured. TT vaccination history can be difficult to determine, especially among women vaccinated a long time ago [29] and those with low awareness of the purpose of vaccination [30]. Nonetheless, we found that 74.

The human Ad is classified into six subgroups, ranging from A to

The human Ad is classified into six subgroups, ranging from A to F [2]. Most Ad serotypes belong to subgroups A, C, D, E, and F and use the coxsackievirus and adenovirus receptor (CAR) as a cellular receptor [3]. Ad serum type 5 (Ad5, subgroup C) has well-defined biological properties and has been widely used LY294002 ic50 as a vector in gene therapy and vaccine development. Results from human and non-human primate

studies suggest that deficient Ad vectors induce antigen-specific cell-mediated immune responses in vivo [4], [5] and [6]. The Ad5 vector is of particular interest since its safety has been proven in clinical trials; it is of high quality; and it can be produced easily [4], [5], [6], [7] and [8]. Unfortunately, a recent large-scale phase IIb clinical trial showed that subjects vaccinated 3 times with the Ad5 vector expressing HIV Gag, Pol, and Nef were not protected against HIV infection. Vaccination did not reduce the HIV viral load or improve the CD4

T cell count after HIV infection occurred in the trial participants [9]. Furthermore, a two-fold increase in HIV acquisition was observed among Selleckchem Decitabine vaccinated recipients, along with increased Ad5-neutralizing antibody titers, when compared with the increase in placebo recipients. This probably occurred because vaccination provides a more conducive environment for HIV replication via the activation of dendritic cells by the Ad5–antibody complex [10]. Another viral vector used in this study was the MVA virus. MVA is derived from

live vaccinia virus by more than 500 passages in chicken embryo fibroblast cells. It loses 15% of the genome compared to its parent tuclazepam vaccinia virus, leading to severe restriction in replication and virulence processes [11] and [12]. In humans, MVA is a replication-deficient virus. MVA has been safely administered to approximately 120,000 individuals as smallpox vaccine [13], and it has been clinically tested as a vaccine vector against other diseases such as HIV and cancer [14]. Since no single viral vector has been able to protect against HIV infection in clinical trials, the prime-boost regimen using different vaccines has been explored in animal models and has been found to elicit much higher immune response than a single vaccine [6], [15], [16], [17] and [18]. However, the effect of the two viral vectors when administered simultaneously is unclear because both the Ad virus and MVA virus are double-stranded, and their viral protein and genome DNA are capable of inducing innate immune responses [19], [20], [21], [22], [23] and [24], resulting in type I interferon (IFN) secretion following activation of adaptive immunity. On the other hand, type I interferon has innate antiviral activity against a variety of viruses. In this study, we co-administered Ad and MVA vectors encoding the HIV-1 gp160 Env gene or reporter genes to mice.

The animals that did not develop infection (protection from infec

The animals that did not develop infection (protection from infection) were compared to those that developed bacteremia. Among the immunized animals, when measuring total IgG, the breadth scores to CR and HVR peptides were similar when comparing the animals that were protected from infection to those PFI-2 research buy that developed bacteremia (Fig. 5). For example, two of the animals with the lowest breadth score (0.07) to the CR peptides were protected from infection. Additionally, there were also no differences when comparing the total breadth score, which included the combined total IgG response to the both the CR and the HVR of Msp2. Findings were similar when measuring IgG2 (Supplemental Fig. 2). Two

of the animals with the lowest breadth scores to the CR (<0.1) were protected from infection. The breadth scores to the HVR were higher, but again, there was no correlation between protection from infection and the breadth of the IgG2 specific responses to the HVR. There was no correlation between the titers to the CR and protection from infection when considering either total IgG or IgG2 only (Fig. 6a and Supplemental Fig. 3a). Three of the four animals that were protected from infection had total IgG CR titer scores above 200, while the remaining animal had a score of 20. The IgG2 titers scores to the CR varied from 0 to 160, while the range

of scores in animals protected from infection varied from 18 to 160 CDK inhibitor review (Supplemental Fig. 3a). Similarly, there was no correlation between protection from infection and titers to the HVR of Msp2 when considering either total IgG or IgG2 (Fig. 6b and Supplemental Fig. 3b). However, unlike the highly variable response to the CR, animals that were protected from infection had mid-range to high total IgG titers to the HVR peptides (205–330). Vaccinees that developed relatively high levels of bacteremia also had titers in this range. Among the animals that developed bacteremia, there was a trend toward vaccinees with high total IgG titers also having higher bacteremia. All groups of animals, including those that Resminostat were

infected, those that were immunized and protected from high-level bacteremia, and those that were immunized and completely protected from infection had similar anti-Msp2 antibody responses, in terms of both breadth and magnitude. Thus, we reject the hypothesis that immunization alters the anti-Msp2 antibody response as compared to infection. It is possible that there are variant Msp2 epitopes that we did not assess in these experiments, e.g. highly conformation-dependent epitopes not represented by the overlapping peptides or epitopes formed by the junction of two recombined oligopeptide segments. However, the length of peptides used in the assays, 30 amino acids, is relevant as this length represents the mean oligopeptide length encoded by segments recombined into the expression site during infection (29 ± 13 amino acids) [14].

5) In the same line, only minor differences in the trends for fa

5). In the same line, only minor differences in the trends for fa and

FG were observed. These subtle differences might be an indication of a possible competition between CYP3A4 and P-gp for the substrate in the enterocyte compartments within the ADAM model. However, the reasons for such differences are not clear yet. Further discussion about these results is included in Sections 5 and 6 of the Supplementary Material. Previous multi-scale studies have investigated www.selleckchem.com/products/ch5424802.html the complex interplay between the factors governing drug absorption and intestinal first pass metabolism and absorption such as the study by Darwich et al. (2010), using the same ADAM model, or the study by Heikkinen et al. (2012) using the Advanced Compartmental Absorption and Transit (ACAT) model

in Gastroplus™. Nevertheless, to our understanding, this is the first study that has investigated the impact of the release characteristics from the formulation on oral bioavailability, specially focused on the interplay between the physicochemical, biopharmaceutical and biochemical properties. From a biopharmaceutics point of view, there are an increasing number of examples of the use of PBPK models for the optimization of new dosage forms, in particular for CR formulations. Some of these examples have recently been reviewed NU7441 mouse by Brown et al. (2012). The use of PBPK models for the evaluation of the impact of biopharmaceutical properties on absorption has recently been encouraged by the regulatory agencies such as by the United States Food and Drug Administration (Zhang and Lionberger, 2014). GBA3 In addition, our study provides a systematic analysis of the available data on the relative bioavailability of CYP3A4 substrates as well as the impact of drug- and formulation-specific factors on the oral bioavailability. The outcome of this study can be considered as a first step in the line of providing examples of possible applications of PBPK M&S in the formulation development

process, in particular for the evaluation of the possible impact of controlled release dosage forms on the drug candidate’s absorption and bioavailability. This applies in particular for drugs candidates that are considered as CYP3A4 substrates; however more work is needed in order to fully validate this approach. Due to the complexity of the analysis, we simplified several aspects that would have a clear impact on predicted Frel. One of them was to assume a virtual reference human, thus eliminating the inter-individual variability on the physiological factors that influence drug absorption ( Jamei et al., 2009a). A factorial sensitivity analysis was performed for the investigation of the differences between immediate release and controlled release formulations on drug absorption, first pass metabolism and systemic exposure. This was complemented with a literature survey of the observed differences in oral bioavailability of CR formulations of CYP3A4 substrates.

It also includes any physical activity done under the supervision

It also includes any physical activity done under the supervision and direction of the therapist.13 Beginning of a session When participants get into the therapy area and start performing an active task with the aim of improving functional skills OR when a therapist enters into the therapy session and starts interacting with the participants. This does not include the therapist greeting the participant Anti-infection Compound Library briefly or the therapist directing the participant to their station during circuit class therapy. End of a session When the end of the session is announced by the therapist OR when the patient

leaves the therapy area. If the therapist walked with the participant back to their room or lunch, the session was said to finish when the participant reached their room or dining room, respectively. Physical activity Engaging in task practice such as walking, standing, sit-to-stand, and using the

paretic arm.13 Inactivity Engaging in unrelated activities, such as solely using the nonparetic arm and periods of rest in sitting or lying13 for greater than 15 s. Passive movements or stretching in lying or sitting were also considered to be inactive. Full-size table Table options View in workspace Download as CSV Category Definition Activities in lying Rolling, bridging, hip/knee control exercises, lie-sit and sit-lie Active sitting Weight shift and equilibrium exercises, reaching, turning, leg exercises in sitting Transfers and sit to stand practice Transfers bed to chair, chair to bed Repeated sit to stand exercises Standing Facilitation of symmetrical posture, weight shift any Talazoparib cell line direction, turning and reaching, stepping in any direction (without progression) including on and off step, step ups Walking

practice Any surface, with or without supervision Includes outdoors, obstacles, steps ever and ramps (not treadmill) Treadmill Time spent walking on treadmill Upper limb activities Includes facilitation of movement, treatment of stiffness or pain as well as active task practice Full-size table Table options View in workspace Download as CSV Each participant’s level of disability at admission to rehabilitation was rated using the FIM, which was scored in the ward team meeting, according to the published guidelines.8 Total therapy session duration, total active time, and the time spent in various categories of activity and inactivity were compared between the two therapy formats: individual therapy sessions versus circuit class therapy. Clustered linear regression was used for these analyses because some individual participants were videoed on more than one occasion. The significance level was set at α = 0.05, with sequential Bonferroni adjustment applied to account for multiple comparisons. Differences in the percentage of therapy sessions devoted to activities in various categories were analysed in the same way.

Here,

we assess on the presence of co-isolated viruses in

Here,

we assess on the presence of co-isolated viruses in influenza virus isolates recovered from MDCK cells. This article provides more specific data about the kind and frequency of co-infecting respiratory viruses in human influenza virus-containing samples and about the fate of such co-infecting viruses during passage in MDCK cells. Nasal or pharyngeal samples from the 2007/2008 influenza season were provided by a clinical diagnostic laboratory located in Stuttgart, Germany. These samples from patients with acute respiratory tract infections were obtained by physicians mainly from Southern Germany and were sent to the diagnostic laboratory in liquid virus transport medium. Aliquots of the clinical specimens (with a laboratory number as an anonymous identifier) were sent to Novartis Vaccines in Marburg, Germany, by a weekly courier service. During transportation ABT 199 the samples were stored at 2–8 °C. Directly after Selleck Alectinib receipt of the samples, MDCK 33016PF cells were inoculated (details see further below) with sample material. The cultures were harvested after 3 days of incubation, and the cell-free supernatants were aliquoted and stored at ≤−60 °C until further use. MDCK 33016PF suspension cells from Novartis working cell bank were cultivated in 500 ml disposable spinner

flasks (Corning) in CDM medium, a chemically defined growth medium used for cell propagation (MDCK 33016 CDM, Lonza) and passaged at 3–4-day intervals. During those 3–4 days the cells grew from an initial seeding density of 1 × 105 cells/ml to densities between 1.0 and 1.5 × 106 cells/ml. For infections 4.5 ml

cells were seeded in 50 ml filter tubes (TPP, Transadingen, Switzerland) at a cell density of 0.8–1.2 × 106 cells/ml. Cells in CDM medium were diluted at a 30/70% ratio into MDCK 33016 PFM medium (“protein-free Parvulin medium”, Gibco Invitrogen) supplemented with 0.5% of a penicillin/streptomycin solution (Sigma) and 900 IU/ml trypsin. To obtain a total culture volume of 5 ml, the added viral inoculum was diluted in 0.5 ml infection medium and was pre-diluted by several log10 steps, starting with a total dilution of at least 1:100. Inoculated cultures were then incubated at 33 °C for 3 days in a 5% CO2 atmosphere in a ISF-1-W shaker incubator (Kuhner, Birsfelden, Switzerland). For virus harvests the cells were separated by centrifugation (800–1000 × g for 10 min) and the supernatant was recovered. Unless used freshly, e.g. for haemagglutination tests and subsequent passaging, aliquots of the supernatant were frozen at ≤−60 °C. Haemagglutination (HA) testing was done with harvested material to define the starting material for the next passage. HA testing was performed in U-bottom microwell plates (Greiner Bio-One) using 100 μl of a serial log2 dilution in PBS (pH 7.0) of the test samples and 100 μl chicken or guinea pig red blood cells (0.5% in PBS pH 7.0).

For continuous data, standardised mean differences (otherwise kno

For continuous data, standardised mean differences (otherwise known as effect sizes), with 95% CIs were calculated by dividing the post-intervention means by the pooled standard deviation (Hedges g). Where means and standard deviations were not reported, data were estimated according to recommendations outlined by Higgins and Deeks (2009) (see Appendix 2 on the eAddenda for statistical equations).

A meta-analysis was conducted where a minimum of two trials were clinically homogenous. To account for clinical, methodological, or statistical heterogeneity, a pooled random effects model was applied using RevMan 5 a. Statistical heterogeneity was examined by calculating the quantity I2 where a value of 0% indicates no observed heterogeneity, Cilengitide less that 25% is considered to have low levels, and a value of 100% indicates a completely heterogeneous sample ( Higgins et al 2003). The search strategy identified 2375 papers. Following removal of duplicates, screening of titles and abstracts, and the inclusion of one paper identified through citation tracking

and one through hand searching of reference lists, 29 potentially relevant papers remained. After reapplication of inclusion criteria to full-text copies of these 29 papers, 14 papers remained (Figure 1). These 14 papers represented 13 separate BTK inhibitor library trials because two papers reported data from the same trial at different time points. The other 15 studies obtained as full text were excluded. Five were not randomised or quasi-randomised controlled trials (Altissimi et al 1986, Amirfeyz and Sarangi 2008, Clifford, 1980, Liow et al 2002, MacDermid et al 2001), one was not available in English (Grønlund et al 1990), one was published only as an abstract (Bache et al 2000), and Mephenoxalone eight had insufficient information about the exercise therapy intervention (Davis and Buchanan, 1987, de Bruijn, 1987, Dias et al 1987, Gaine et al 1998, Lozano Calderón et al 2008, McAuliffe et al 1987, Millett and Rushton, 1995, Oskarsson et al 1997). Design: A single trial evaluated the effects of exercise and home advice

compared to a no-intervention control group in patients with a distal radius fractures ( Kay et al 2008). In the remaining 12 trials, differing amounts of exercise and advice were incorporated in both control and intervention groups. Three trials compared exercise introduced earlier in rehabilitation with delayed introduction of exercise following a proximal humeral fracture ( Agorastides et al 2007, Hodgson et al 2003, Lefevre-Colau et al 2007), while in four trials patients received supervised exercise in addition to a home exercise program compared to simply a home exercise program ( Christensen et al 2001, Maciel et al 2005, Pasila et al 1974, Revay et al 1992). Five trials compared physiotherapy, which included supervised exercise plus a home exercise program, with a home exercise program ( Bertoft et al 1984, Krischak et al 2009, Lundberg et al 1979, Wakefield and McQueen 2000, Watt et al 2000).