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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: UZAN, Serge;

    In France, to promote the quality of cancer care, decisions have currently to be made according to clinical practice guidelines (CPGs) during regularly organized multidisciplinary staff meetings (MSMs). Dissemination of textual CPGs has a poor impact on clinical practice as opposed to the use of clinical decision support systems (CDSSs) known to improve compliance with CPGs. OncoDoc2 is a CDSS providing patient-specific recommendations based on CPGs for non-metastatic female breast cancer management elaborated by the CancerEst INTERMEDICAL collaboration.The main goal of the study is to evaluate the effect of the routine use of OncoDoc2 during MSMs on compliance of MSM decisions with local CPGs. Impact will be measured by the compliance rate of MSM decisions with OncoDoc2 recommendations. The design of the study relies on a cluster randomized controlled trial. Under the assumption of a baseline compliance rate of 70% without intervention, an expected compliance rate of 90% in the intervention group (α = 5%, β = 20%), an inter-cluster variability of 5%, and 59 decisions per center, the required number of centers is 3 in each group, or 177 decisions in each arm. The study will be conducted in cancer care centers (public and private) from Paris area, France.This prospective trial will be conducted in two steps. First, baseline compliance rates will be measured in each center. Then, the 6 centers will be randomized into 2 arms. In the intervention arm, OncoDoc2 will be used during MSMs at decision time. Every case of non-adherence with system recommendations will have to be justified by clinicians. In both arms and after each MSM, MSM decisions will be recorded as well as patient characteristics and OncoDoc2 will be used for each patient case to get system recommendations. In the intervention arm, OncoDoc2 recommendations obtained by MSM will also be recorded, as well as the reason for non following recommendations in case MSM decision does not comply with guidelines. The objective of the study is to evaluate how the use of OncoDoc2, a computerized guideline-based decision support system, could improve the compliance of multidisciplinary staff meeting decisions with local clinical practice guidelines in the management of non-metastatic breast cancer.

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    OpenTrials
    Clinical Trial . 2008
    Data sources: OpenTrials
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      OpenTrials
      Clinical Trial . 2008
      Data sources: OpenTrials
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    Authors: Dennis, Richard A;

    Objective: The study will examine the influence of immune function in older adults on improvement of muscle mass, strength, and function by resistance training. The maintenance of those benefits during long term follow-up will also be examined. This objective will be accomplished by a double-blind randomized placebo-controlled trial of a nutritional supplement (Muscle Armor) which evidence suggests can improve immune function, promote muscle growth, and counteract muscle loss. The study premise is that aging results in decreased ability of the immune system to respond to stimuli such as exercise. The study proposes that the supplement will improve muscle health by promoting a shift in immune function of older adults from a pro-inflammatory state towards a state which supports muscle growth and maintenance. Research Plan: The study will randomize Veterans (age 60-80, N=50) to participate in the supplement or placebo groups in a three phase study. The phases of participation correspond to the three specific aims. Aim 1 will determine if 2-weeks of supplementation improves immune function. Humoral immune function will be assessed as the response to vaccination. Innate immune function will be measured as systemic and cellular responses to acute resistance exercise that the investigators' previous studies indicate are affected by aging. Aim 2 will determine if supplementation during 36 sessions of progressive high-intensity resistance training boosts improvement in muscle size (CT scan), strength, and function (gait and balance). Muscle adaptations at the cellular levels will also be measured. Aim 3 will determine if continued supplementation for 26-weeks after completion of exercise training promotes the retention of the gains in muscle size, strength, and function. Multivariable testing will then be used to compare the results between Aims 1, 2, and 3 to determine whether or not immune function is correlated with muscle adaptation to training or detraining. Methods: Participants will undergo nine blood draws and five muscle biopsies of the vastus lateralis over the course of the study so that the effects of the supplement on immune function and cellular adaptations to training can be measured. Three of the blood draws will be used to assess the antibody response to the tetanus, pertussis, and diphtheria vaccine. Muscle and blood will be collected before and after a bout of exercise conducted before and after the 2-weeks of supplementation prior to training. Immune function will be measured using the blood based on pro- and anti-inflammatory cytokine levels, the balance between specific T-cell subpopulations, and the proliferative capacity of mononuclear cells. Immune function will be measured in muscle based on macrophage content of specific cytokines and growth factors. The investigators' previous study showed that these muscle measures strongly correlate with size and strength gain after training. Key signaling pathways including nuclear factor-k B and PI3 kinase will also be measured. The fifth biopsy will be collected post-training to measure adaptation at the cellular level based on changes in number of satellite cells and myonuclei and fiber size. Hypotheses related to these measures will be tested with 80% power to detect at least 0.8 standard deviations difference in means between the supplement and placebo groups. Clinical Relevance: Exercise is clearly able to affect immune function. However, the proposed study will attempt to modulate immune function and determine the effects on exercise outcomes. The study will also examine detraining, an important issue for older adults, that is usually omitted from training studies. Thus, the study will potentially advance the understanding of the mechanisms of muscle gain and loss in older adults, but more importantly, the study will evaluate a nutritional intervention as a complement to exercise for supporting muscle health during aging. Targeting the immune system may be the advantage needed for an older Veteran to successfully maintain or restore the muscle mass, strength, and function that is necessary for personal independence. The loss of muscle mass and strength due to aging leads to serious health problems for older adults. Muscle health can be improved by exercise training, but some people improve their strength substantially, whereas others improve little. The reason for this variation is unknown. This study will investigate whether function of the immune system influences how well people respond to exercise. Older Veterans who participate will have their muscle size, strength, and function measured periodically for almost a year. Participants will drink a nutritional supplement or placebo daily and complete a 36 session strength training program. Participants will be vaccinated for tetanus and donate small amounts of blood and muscle tissue during the study so that immune function can be compared to muscle outcomes during training and during a long-term follow-up. The study results should increase the investigators' understanding of the negative effects of aging on muscle and will possibly lead to better strategies for muscle maintenance and rehabilitation for older adults.

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    OpenTrials
    Clinical Trial . 2014
    Data sources: OpenTrials
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      OpenTrials
      Clinical Trial . 2014
      Data sources: OpenTrials
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    Authors: Rojas, Loreto;

    It is a prospective, multicenter, randomized, controlled study to evaluate a scheme with and without a loading dose of 6 million international units of colistin, followed by a maintenance dose of 3 million international units every 8 hours intravenous. The study should be conducted in 3 hospitals in Chile, in critically patients presenting infection by multidrug Gram-negative bacteria and requiring be treated with colistin for at least 48 hours. The objectives of the study are: to evaluate the clinical and microbiological response, and mortality. The study hypothesis is that the loading dose of intravenous colistin (6 million of international units) is associated with greater clinical and microbiological efficacy, and reduced mortality of critically ill patients infected by multidrug resistant Gram- negative bacilli, compared to a scheme without loading dose.

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    OpenTrials
    Clinical Trial . 2014
    Data sources: OpenTrials
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      OpenTrials
      Clinical Trial . 2014
      Data sources: OpenTrials
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    Authors: Hyldegaard, Ole;

    Hyperbaric oxygen (HBO) reduces neuropathic pain, promote healing of hypoxic, chronic wounds and sores caused by radiation therapy. Nitric oxide (NO) is a contributing factor to the prolonged anti-nociceptive effect of HBO treatment. In addition, HBO stimulates the formation of reactive oxygen and nitrogen forms, reduces beta-2 integrin function, and reduces contact of leukocytes to the endothelial surface of the capillaries, improves microcirculation and causes decreased monocyte chemokine synthesis. It is the interaction of these mechanisms involved in HBO's anti-inflammatory effect. How HBO reduces pain and inflammation in humans has not been established. In healthy subjects, investigators have shown that HBO has a reducing effect on the mechanism, which at the level the of spinal cord amplifies the number and and the extension of pain impulses. Subjects who were given HBO therapy initially developed significantly less secondary hyperalgesia than the control group several weeks later by the new heat injury suggesting a protective, preconditioning effect. As in the previous experiment (NCT02025686) preconditioning effects will be assessed by means of measurements of thermal thresholds, pin-prick thresholds, erythema indices and secondary hyperalgesic areas (i.e. area under the curve per minute). Similarly,differences in the sequence of sessions (i.e. first session HBO;second session ambient pressure condition or first session ambient pressure condition;second session HBO) will be analyzed accordingly. In an improved blinded study design investigators will now investigate the effect of HBO treatment using the same cutaneous heat injury model, as in the first study. Investigators expect to finally be able to confirm previous results thereby improving treatment of severe pain conditions. Hyperbaric oxygen may reduce neurophatic pain and promote wound healing. Established anti inflammatory effects of HBO may contribute to this effect. In a previous publication the investigators studied the effects of HBO on secondary hyperalgesia using a well established heat injury model. In a new - blinded study design, the investigators wish to investigate and- or confirm previous results, i.e. that HBO therapy reduce secondary hyperalgesia and improving therapy of severe pain conditions.

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    OpenTrials
    Clinical Trial . 2015
    Data sources: OpenTrials
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      OpenTrials
      Clinical Trial . 2015
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    Authors: Beaumont, Maurice;

    Coffee contributes to a large extent to our daily intake of phenolic compounds which have been associated with potential health benefits. A study by Richelle et al. (2001), using an LDL oxidation assay, showed that phenolic compounds in coffee possessed antioxidant activity which varied depending on the coffee bean source and the degree of roasting. Little is known about the bioavailability of phenolic compounds from coffee at various roast levels. Therefore, further human studies are required in order to demonstrate the absorption, and bioavailability of metabolites that may also be efficient in vivo. The main objective of this clinical trial is to investigate the possible difference in the bioavailability of chlorogenic and phenolic acids from coffee at different roast levels. After medical examination and approval, subjects will be randomly assigned to one of the four coffee treatments. Each study period correspond to the ingestion of one the treatments and study periods are separated by a one week washout period. Blood will be taken as a time course for 24h while urine will be collected for 30h. Investigators are also blinded with respect to the dose and the treatment given to the subjects. Coffee contributes to a large extent to our daily intake of phenolic compounds which have been associated with potential health benefits. A study by Richelle et al. (2001), using an LDL oxidation assay, showed that phenolic compounds in coffee possessed antioxidant activity which varied depending on the coffee bean source and the degree of roasting. Little is known about the bioavailability of phenolic compounds from coffee at various roasting degrees. Therefore, further human studies are required in order to demonstrate the absorption, and bioavailability of metabolites that may also be efficient in vivo. The main objective of this clinical trial is to investigate the possible difference in the bioavailability of chlorogenic and phenolic acids from coffee at various roasting levels.

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    OpenTrials
    Clinical Trial . 2011
    Data sources: OpenTrials
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      OpenTrials
      Clinical Trial . 2011
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    Authors: Miller, John M;

    - Hypothesis: Focal Impulse and Rotor Modulation (FIRM) will substantially reduce or eliminate clinical atrial fibrillation in subjects with accepted indications for catheter ablation of paroxysmal AF, compared to standard pulmonary vein isolation. - Summary: This is a prospective randomized study to assess the safety and effectiveness of FIRM procedures only, versus standard Pulmonary Vein Isolation (PVI) procedures for the treatment of symptomatic paroxysmal atrial fibrillation. A total of 188 subjects will be enrolled-subjects will be equally (1:1) randomized between those undergoing conventional atrial fibrillation ablation with confirmation of pulmonary vein isolation (PVI) versus those actively treated with the FIRM procedure without PVI.

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    OpenTrials
    Clinical Trial . 2013
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      OpenTrials
      Clinical Trial . 2013
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    Authors: Verschraegen, Claire;

    Objective 1: All new cancer patients seen for a four month period at the University of New Mexico Cancer Research and Treatment Center (UNM CRTC) (academic population) and for a six month-period at the New Mexico Cancer Care Alliance (NMCCA) (community setting). A careful screening log will be kept during this period with the research nurses cooperation in documenting 1) whether patients seen were accrued to a clinical trial, 2) what available trials the patient might possibly be eligible for, and 3) the reason for not registering on to a clinical trial. Objective 2: To compare the responses to questions on the entry forms of those women who were eligible and declined participation to those who participated by Hispanic versus non-Hispanic ethnicity, we will access, copy, and analyze all the risk assessment profiles otherwise known as entry or eligibility forms completed by women who considered participating in the study of Tamoxifen and Raloxifene (STAR). Patterns of eligibility criteria and risk assessment will be described by ethnicity of women considered for entry into this chemopreventive randomized trial without the use of personal identifying data in accordance with the Health Insurance Portability Accountability Act of 1996 to maintain patient confidentiality 1. To identify reasons for low patient recruitment numbers to clinical trials in a cancer research center setting (and a community setting) in order to attempt to increase accrual rates. 2. To review the screening sheet for women who considered participating in the study of Tamoxifen and Raloxifene (STAR) for the prevention of breast cancer in high risk women through the University of New Mexico in Albuquerque from 1999 through 2004

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    OpenTrials
    Clinical Trial . 2006
    Data sources: OpenTrials
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      OpenTrials
      Clinical Trial . 2006
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    Authors: Koczywas, Marianna;

    OBJECTIVES: - To assess overall survival and progression-free survival of patients with stage II-IIIB non-small cell lung cancer undergoing surgical resection, followed by adjuvant chemotherapy comprising gemcitabine and cisplatin, and radiotherapy. - To assess the toxicities of this regimen in these patients. - To evaluate the mRNA expression of enzymes (i.e., excision repair cross complementing protein, ribonucleotide reductase, and cytidine/deoxycytidine deaminase and kinase), which may be important in regulating the cytotoxicity of gemcitabine and cisplatin in patient tumors. - To correlate mRNA levels with progression-free survival of patients treated with this regimen. - To assess BCL2, P53, and HER2-neu expression by IHC and correlation with progression-free survival. OUTLINE: Patients undergo surgical resection of their tumor and mediastinal lymph node dissection. Patients with complete surgical eradication of their disease or pathologic evidence of microscopic residual disease proceed to adjuvant chemotherapy. Within approximately 60 days after surgical resection, patients receive adjuvant chemotherapy comprising gemcitabine IV over 30 minutes on days 1 and 8 and cisplatin IV over 1 hour on day 8. Treatment repeats every 21 days for up to 3 courses in the absence of disease progression or unacceptable toxicity. Beginning 130-144 days after surgery, patients undergo radiotherapy once daily, five days a week, for approximately 6 weeks. Tumor tissue specimens are obtained at the time of surgical resection for pharmacodynamic and biomarker correlative studies. Specimens are examined by reverse transcriptase-polymerase chain reaction to measure mRNA expression of target oncogenes (i.e., DNA repair gene ERCC-1 and M2 subunit of the DNA repair gene ribonucleotide reductase) and enzymes (i.e., cytidine/deoxycytidine deaminase and kinase). Resected specimens are also assessed by IHC for the expression of BCL2, P53, and HER2-neu genes. After completion of study therapy, patients are followed every 6 months for 5 years and annually thereafter. RATIONALE: Drugs used in chemotherapy, such as gemcitabine and cisplatin, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Giving more than one drug (combination chemotherapy) together with radiation therapy after surgery may kill any tumor cells that remain after surgery. PURPOSE: This phase II trial is studying how well surgery followed by gemcitabine, cisplatin, and radiation therapy works in treating patients with stage II or stage III non-small cell lung cancer.

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    OpenTrials
    Clinical Trial . 2007
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      Clinical Trial . 2007
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    Authors: Ferrone, Cristina R;

    The appropriate management of patients with cystic lesions of the pancreas is controversial. The identification of small asymptomatic pancreatic cysts is increasing due to an improvement in the quality of radiologic imaging and the frequency that imaging is obtained. However, the natural history of these lesions is unknown1. The current consensus guidelines established at the International Consensus Conference in Sendai, Japan in 2005 suggest that branch chain IPMNs and mucinous cystic neoplasms that cause no symptoms, measure <3cm, and have no nodules can be observed with periodic imaging. However, the time course of these pre malignant mucinous lesions, intraductal papillary mucinous neoplasms (IPMN) or mucinous cystadenomas, from benign to malignant has not been determined. Due to the unknown natural history, and diagnostic uncertainty, some authors have recommended routine resection2, 3. Resection, despite improvements in surgical outcomes after pancreatectomy at high volume centers, carries a mortality and morbidity of 1-6% and 35-51%, respectively4-6. More recently studies are reporting a more selective approach to avoid the risk of operation in patients with benign lesions7. Improved radiographic and endoscopic studies have been able to identify some lesions with increased malignant potential8, 9. Thus, most patients will undergo pancreas specific radiologic imaging and endoscopic ultrasound with cyst aspiration. Since the natural history of cystic lesions is poorly understood no clear guidelines for surgical resection have been established. Some of the cysts will grow over time, with an increase in the cumulative risk of malignancy. Therefore, the therapeutic alternatives are to wait and watch for a change in the cyst morphology or to treat preemptively, which has been restricted to surgical resection. Based on the pilot study performed by Dr. William Brugge, at Massachusetts General Hospital, ethanol lavage of pancreatic cysts is safe and will result in a decrease in cyst diameter in 61% of patients. Additionally, if patients elect to not be treated preemptively it is unclear how to best follow these patients in terms of the type and the frequency of follow up studies. The purpose of this study is to determine the natural history of pancreatic cysts and to determine if these cysts can be effectively treated with a less invasive therapy (ethanol injection vs periodic imaging) rather than surgical resection

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    Clinical Trial . 2007
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      Clinical Trial . 2007
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    Authors: Kerscher, Martina; Sattler, Gerhard;

    A randomised, multi-centre, parallel-group efficacy and safety study evaluating two and three initial treatment sessions of Restylane Skinboosters Vital Lidocaine in the face. Approximately 50 female subjects shall be treated with two or three initial treatment sessions including long-term follow-up 18 months after the initial treatment regimen.

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    Clinical Trial . 2015
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: UZAN, Serge;

    In France, to promote the quality of cancer care, decisions have currently to be made according to clinical practice guidelines (CPGs) during regularly organized multidisciplinary staff meetings (MSMs). Dissemination of textual CPGs has a poor impact on clinical practice as opposed to the use of clinical decision support systems (CDSSs) known to improve compliance with CPGs. OncoDoc2 is a CDSS providing patient-specific recommendations based on CPGs for non-metastatic female breast cancer management elaborated by the CancerEst INTERMEDICAL collaboration.The main goal of the study is to evaluate the effect of the routine use of OncoDoc2 during MSMs on compliance of MSM decisions with local CPGs. Impact will be measured by the compliance rate of MSM decisions with OncoDoc2 recommendations. The design of the study relies on a cluster randomized controlled trial. Under the assumption of a baseline compliance rate of 70% without intervention, an expected compliance rate of 90% in the intervention group (α = 5%, β = 20%), an inter-cluster variability of 5%, and 59 decisions per center, the required number of centers is 3 in each group, or 177 decisions in each arm. The study will be conducted in cancer care centers (public and private) from Paris area, France.This prospective trial will be conducted in two steps. First, baseline compliance rates will be measured in each center. Then, the 6 centers will be randomized into 2 arms. In the intervention arm, OncoDoc2 will be used during MSMs at decision time. Every case of non-adherence with system recommendations will have to be justified by clinicians. In both arms and after each MSM, MSM decisions will be recorded as well as patient characteristics and OncoDoc2 will be used for each patient case to get system recommendations. In the intervention arm, OncoDoc2 recommendations obtained by MSM will also be recorded, as well as the reason for non following recommendations in case MSM decision does not comply with guidelines. The objective of the study is to evaluate how the use of OncoDoc2, a computerized guideline-based decision support system, could improve the compliance of multidisciplinary staff meeting decisions with local clinical practice guidelines in the management of non-metastatic breast cancer.

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    OpenTrials
    Clinical Trial . 2008
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      Clinical Trial . 2008
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    Authors: Dennis, Richard A;

    Objective: The study will examine the influence of immune function in older adults on improvement of muscle mass, strength, and function by resistance training. The maintenance of those benefits during long term follow-up will also be examined. This objective will be accomplished by a double-blind randomized placebo-controlled trial of a nutritional supplement (Muscle Armor) which evidence suggests can improve immune function, promote muscle growth, and counteract muscle loss. The study premise is that aging results in decreased ability of the immune system to respond to stimuli such as exercise. The study proposes that the supplement will improve muscle health by promoting a shift in immune function of older adults from a pro-inflammatory state towards a state which supports muscle growth and maintenance. Research Plan: The study will randomize Veterans (age 60-80, N=50) to participate in the supplement or placebo groups in a three phase study. The phases of participation correspond to the three specific aims. Aim 1 will determine if 2-weeks of supplementation improves immune function. Humoral immune function will be assessed as the response to vaccination. Innate immune function will be measured as systemic and cellular responses to acute resistance exercise that the investigators' previous studies indicate are affected by aging. Aim 2 will determine if supplementation during 36 sessions of progressive high-intensity resistance training boosts improvement in muscle size (CT scan), strength, and function (gait and balance). Muscle adaptations at the cellular levels will also be measured. Aim 3 will determine if continued supplementation for 26-weeks after completion of exercise training promotes the retention of the gains in muscle size, strength, and function. Multivariable testing will then be used to compare the results between Aims 1, 2, and 3 to determine whether or not immune function is correlated with muscle adaptation to training or detraining. Methods: Participants will undergo nine blood draws and five muscle biopsies of the vastus lateralis over the course of the study so that the effects of the supplement on immune function and cellular adaptations to training can be measured. Three of the blood draws will be used to assess the antibody response to the tetanus, pertussis, and diphtheria vaccine. Muscle and blood will be collected before and after a bout of exercise conducted before and after the 2-weeks of supplementation prior to training. Immune function will be measured using the blood based on pro- and anti-inflammatory cytokine levels, the balance between specific T-cell subpopulations, and the proliferative capacity of mononuclear cells. Immune function will be measured in muscle based on macrophage content of specific cytokines and growth factors. The investigators' previous study showed that these muscle measures strongly correlate with size and strength gain after training. Key signaling pathways including nuclear factor-k B and PI3 kinase will also be measured. The fifth biopsy will be collected post-training to measure adaptation at the cellular level based on changes in number of satellite cells and myonuclei and fiber size. Hypotheses related to these measures will be tested with 80% power to detect at least 0.8 standard deviations difference in means between the supplement and placebo groups. Clinical Relevance: Exercise is clearly able to affect immune function. However, the proposed study will attempt to modulate immune function and determine the effects on exercise outcomes. The study will also examine detraining, an important issue for older adults, that is usually omitted from training studies. Thus, the study will potentially advance the understanding of the mechanisms of muscle gain and loss in older adults, but more importantly, the study will evaluate a nutritional intervention as a complement to exercise for supporting muscle health during aging. Targeting the immune system may be the advantage needed for an older Veteran to successfully maintain or restore the muscle mass, strength, and function that is necessary for personal independence. The loss of muscle mass and strength due to aging leads to serious health problems for older adults. Muscle health can be improved by exercise training, but some people improve their strength substantially, whereas others improve little. The reason for this variation is unknown. This study will investigate whether function of the immune system influences how well people respond to exercise. Older Veterans who participate will have their muscle size, strength, and function measured periodically for almost a year. Participants will drink a nutritional supplement or placebo daily and complete a 36 session strength training program. Participants will be vaccinated for tetanus and donate small amounts of blood and muscle tissue during the study so that immune function can be compared to muscle outcomes during training and during a long-term follow-up. The study results should increase the investigators' understanding of the negative effects of aging on muscle and will possibly lead to better strategies for muscle maintenance and rehabilitation for older adults.

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    OpenTrials
    Clinical Trial . 2014
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      Clinical Trial . 2014
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    Authors: Rojas, Loreto;

    It is a prospective, multicenter, randomized, controlled study to evaluate a scheme with and without a loading dose of 6 million international units of colistin, followed by a maintenance dose of 3 million international units every 8 hours intravenous. The study should be conducted in 3 hospitals in Chile, in critically patients presenting infection by multidrug Gram-negative bacteria and requiring be treated with colistin for at least 48 hours. The objectives of the study are: to evaluate the clinical and microbiological response, and mortality. The study hypothesis is that the loading dose of intravenous colistin (6 million of international units) is associated with greater clinical and microbiological efficacy, and reduced mortality of critically ill patients infected by multidrug resistant Gram- negative bacilli, compared to a scheme without loading dose.

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    Authors: Hyldegaard, Ole;

    Hyperbaric oxygen (HBO) reduces neuropathic pain, promote healing of hypoxic, chronic wounds and sores caused by radiation therapy. Nitric oxide (NO) is a contributing factor to the prolonged anti-nociceptive effect of HBO treatment. In addition, HBO stimulates the formation of reactive oxygen and nitrogen forms, reduces beta-2 integrin function, and reduces contact of leukocytes to the endothelial surface of the capillaries, improves microcirculation and causes decreased monocyte chemokine synthesis. It is the interaction of these mechanisms involved in HBO's anti-inflammatory effect. How HBO reduces pain and inflammation in humans has not been established. In healthy subjects, investigators have shown that HBO has a reducing effect on the mechanism, which at the level the of spinal cord amplifies the number and and the extension of pain impulses. Subjects who were given HBO therapy initially developed significantly less secondary hyperalgesia than the control group several weeks later by the new heat injury suggesting a protective, preconditioning effect. As in the previous experiment (NCT02025686) preconditioning effects will be assessed by means of measurements of thermal thresholds, pin-prick thresholds, erythema indices and secondary hyperalgesic areas (i.e. area under the curve per minute). Similarly,differences in the sequence of sessions (i.e. first session HBO;second session ambient pressure condition or first session ambient pressure condition;second session HBO) will be analyzed accordingly. In an improved blinded study design investigators will now investigate the effect of HBO treatment using the same cutaneous heat injury model, as in the first study. Investigators expect to finally be able to confirm previous results thereby improving treatment of severe pain conditions. Hyperbaric oxygen may reduce neurophatic pain and promote wound healing. Established anti inflammatory effects of HBO may contribute to this effect. In a previous publication the investigators studied the effects of HBO on secondary hyperalgesia using a well established heat injury model. In a new - blinded study design, the investigators wish to investigate and- or confirm previous results, i.e. that HBO therapy reduce secondary hyperalgesia and improving therapy of severe pain conditions.

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    OpenTrials
    Clinical Trial . 2015
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      Clinical Trial . 2015
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    Authors: Beaumont, Maurice;

    Coffee contributes to a large extent to our daily intake of phenolic compounds which have been associated with potential health benefits. A study by Richelle et al. (2001), using an LDL oxidation assay, showed that phenolic compounds in coffee possessed antioxidant activity which varied depending on the coffee bean source and the degree of roasting. Little is known about the bioavailability of phenolic compounds from coffee at various roast levels. Therefore, further human studies are required in order to demonstrate the absorption, and bioavailability of metabolites that may also be efficient in vivo. The main objective of this clinical trial is to investigate the possible difference in the bioavailability of chlorogenic and phenolic acids from coffee at different roast levels. After medical examination and approval, subjects will be randomly assigned to one of the four coffee treatments. Each study period correspond to the ingestion of one the treatments and study periods are separated by a one week washout period. Blood will be taken as a time course for 24h while urine will be collected for 30h. Investigators are also blinded with respect to the dose and the treatment given to the subjects. Coffee contributes to a large extent to our daily intake of phenolic compounds which have been associated with potential health benefits. A study by Richelle et al. (2001), using an LDL oxidation assay, showed that phenolic compounds in coffee possessed antioxidant activity which varied depending on the coffee bean source and the degree of roasting. Little is known about the bioavailability of phenolic compounds from coffee at various roasting degrees. Therefore, further human studies are required in order to demonstrate the absorption, and bioavailability of metabolites that may also be efficient in vivo. The main objective of this clinical trial is to investigate the possible difference in the bioavailability of chlorogenic and phenolic acids from coffee at various roasting levels.

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    Clinical Trial . 2011
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      Clinical Trial . 2011
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    Authors: Miller, John M;

    - Hypothesis: Focal Impulse and Rotor Modulation (FIRM) will substantially reduce or eliminate clinical atrial fibrillation in subjects with accepted indications for catheter ablation of paroxysmal AF, compared to standard pulmonary vein isolation. - Summary: This is a prospective randomized study to assess the safety and effectiveness of FIRM procedures only, versus standard Pulmonary Vein Isolation (PVI) procedures for the treatment of symptomatic paroxysmal atrial fibrillation. A total of 188 subjects will be enrolled-subjects will be equally (1:1) randomized between those undergoing conventional atrial fibrillation ablation with confirmation of pulmonary vein isolation (PVI) versus those actively treated with the FIRM procedure without PVI.

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    OpenTrials
    Clinical Trial . 2013
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      Clinical Trial . 2013
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    Authors: Verschraegen, Claire;

    Objective 1: All new cancer patients seen for a four month period at the University of New Mexico Cancer Research and Treatment Center (UNM CRTC) (academic population) and for a six month-period at the New Mexico Cancer Care Alliance (NMCCA) (community setting). A careful screening log will be kept during this period with the research nurses cooperation in documenting 1) whether patients seen were accrued to a clinical trial, 2) what available trials the patient might possibly be eligible for, and 3) the reason for not registering on to a clinical trial. Objective 2: To compare the responses to questions on the entry forms of those women who were eligible and declined participation to those who participated by Hispanic versus non-Hispanic ethnicity, we will access, copy, and analyze all the risk assessment profiles otherwise known as entry or eligibility forms completed by women who considered participating in the study of Tamoxifen and Raloxifene (STAR). Patterns of eligibility criteria and risk assessment will be described by ethnicity of women considered for entry into this chemopreventive randomized trial without the use of personal identifying data in accordance with the Health Insurance Portability Accountability Act of 1996 to maintain patient confidentiality 1. To identify reasons for low patient recruitment numbers to clinical trials in a cancer research center setting (and a community setting) in order to attempt to increase accrual rates. 2. To review the screening sheet for women who considered participating in the study of Tamoxifen and Raloxifene (STAR) for the prevention of breast cancer in high risk women through the University of New Mexico in Albuquerque from 1999 through 2004

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    OpenTrials
    Clinical Trial . 2006
    Data sources: OpenTrials
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