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The Opioid Analgesic Reduction Study (OARS) Pilot: A Double-Blind Randomized Multicenter Trial. JDR Clin Trans Res 2024; 9:72-84. [PMID: 36680313 PMCID: PMC10850879 DOI: 10.1177/23800844221144031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND With addiction rates and opioid deaths increasing, health care providers are obligated to help stem the opioid crisis. As limited studies examine the comparative effectiveness of fixed-dose combination nonopioid analgesia to opioid-containing analgesia, a comparative effectiveness study was planned and refined by conducting a pilot study. METHODS The Opioid Analgesic Reduction Study (OARS) pilot, a stratified, randomized, multisite, double-blind clinical trial, was designed to test technology and procedures to be used in the full OARS trial. Participants engaged in the full protocol, enabling the collection of OARS outcome data. Eligible participants reporting to 1 of 5 sites for partial or full bony impacted mandibular third molar extraction were stratified by biologic sex and randomized to 1 of 2 treatment groups, OPIOID or NONOPIOID. OPIOID participants were provided 20 doses of hydrocodone 5 mg/acetaminophen 300 mg. NONOPIOID participants were provided 20 doses of ibuprofen 400 mg/acetaminophen 500 mg. OARS outcomes data, including pain experience, adverse effects, sleep quality, pain interference, overall satisfaction, and remaining opioid tablets available for diversion, were collected via surveys, electronic medication bottles, eDiary, and activity/sleep monitor. RESULTS Fifty-three participants were randomized with 50 completing the OARS pilot protocol. Across all outcome pain domains, in all but 1 time period, NONOPIOID was better in managing pain than OPIOID (P < 0.05 level). Other outcomes suggest less pain interference, less adverse events, better sleep quality, better overall satisfaction, and fewer opioid-containing tablets available for diversion. DISCUSSION Results suggest patients requiring impacted mandibular third molar extraction would benefit from fixed-dose combination nonopioid analgesia. KNOWLEDGE TRANSFER STATEMENT Study results suggest fixed-dose nonopioid combination ibuprofen 400 mg/acetaminophen 500 mg is superior to opioid-containing analgesic (hydrocodone 5 mg/acetaminophen 500 mg). This knowledge should inform surgeons and patients in the selection of postsurgical analgesia.
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Primary Causes of Hospitalization among Patients with Left Ventricular Assist Devices. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.1172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Do Gynecologic Surgeons Overprescribe Opioid Pain Medications after Minimally Invasive Surgery? J Minim Invasive Gynecol 2020. [DOI: 10.1016/j.jmig.2020.08.623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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0958 The Prevalence of Depression in Children With Chronic Sleep and Respiratory Disorders. Sleep 2020. [DOI: 10.1093/sleep/zsaa056.954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
In 2017, 13.3% of US adolescents aged 12 to 17 had at least one major depressive episode (NIMH, 2019). The risk of depression is higher in children with sleep apnea, and children with depression or anxiety have a 1.2-1.8 times higher rate of asthma related ED visits. Therefore, the purpose of this study was to determine the prevalence of depression symptoms in children with chronic disorders. We hypothesized that subjects with sleep disorders would have a higher prevalence of positive depression scores than subjects with respiratory disease, and that the prevalence would be highest in subjects with both conditions.
Methods
The Patient Health Questionnaire-9 (PHQ-9) was administered to children between the ages of 12 and 18 to screen for depression as part of a pulmonary or sleep clinic visit. Each patient’s PHQ-9 results were scored as normal, mild, moderate, or severe for levels of depression severity. Additionally, a chart review was conducted to gather their demographic and clinical data.
Results
Of a total of 87 subjects,71 (81.6%) had a respiratory disorder and 40 (46.0%) subjects had a sleep disorder. Due to the amount of overlap of respiratory and sleep disorders amongst the subjects, depression severity rather than chronic disease was chosen as the primary outcome. Using multiple linear regression, when all other factors were held constant, the average depression score increased by 5.0 when patients had a combination of asthma and obstructive sleep apnea (p-value = 0.02) and also increased by 2.4 for subjects who were female (p-value = 0.01).
Conclusion
It is important to identify depression in children with chronic illness, as it can lead to higher healthcare utilization. Additionally, as mental health status may significantly impact health outcomes for patients with chronic disease, it would be beneficial to evaluate mental health in all pediatric patients with chronic disease. However, further research is needed to investigate these associations.
Support
None
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Outcomes of Robotic-Assisted Laparoscopic Hysterectomy Stratified by Body Mass Index. J Minim Invasive Gynecol 2017. [DOI: 10.1016/j.jmig.2017.08.488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Patient mortality following alcohol use and trauma: a propensity-matched analysis. Eur J Trauma Emerg Surg 2017; 45:151-158. [PMID: 28508098 DOI: 10.1007/s00068-017-0794-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 04/18/2017] [Indexed: 01/02/2023]
Abstract
OBJECTIVE To examine the outcomes of trauma patients who tested positive for alcohol at the time of hospital arrival versus those who tested negative. METHODS Data were pulled from the National Trauma Data Bank (2007-2010). All injured patients who were ≥14 years of age, sustained a "blunt" or "penetrating" injury, had complete systolic blood pressure (SBP) and heart rate (HR) records, were taken to a level 1 or 2 trauma center, and who received a confirmed blood alcohol test were included in the study. Any blood alcohol concentration (BAC) above the legal limit (≥0.08 g/dL) was considered "positive" for alcohol, and if no alcohol was identified it was considered "negative". Patients' demography and clinical information were compared across groups using Chi-square and Wilcoxon rank sum tests. Logistic regression, propensity score matching, and a follow-up paired analysis were also performed. RESULTS Of 279,460 total patients, around one-third of the patients (92,960) tested positive for BAC. There were clear demographic differences found between the two groups regarding age, gender, race, and injury type. There was also a significantly higher mortality rate (4.3 vs. 3.1%, P < 0.001) and a longer hospital length of stay (4 vs. 3 days, P < 0.001) found in the alcohol-negative group. Propensity score matching was also performed resulting in 92,959 patients per group. Using the paired data, the overall mortality observed was 3.1 vs. 3.3% (P = 0.035) between the alcohol-positive and alcohol-negative groups, respectively. There was no significant difference noted in the total hospital length of stay (median: 3 vs. 4 days, P = 0.84). CONCLUSION Patients who tested positive for alcohol following a traumatic injury showed no clinically significant reduction in mortality and no significant difference in total hospital length of stay.
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Chromosomal Aberrations in Therapy-Related Myelodysplastic Syndromes – Relations to Primary Disease, Therapy and Prognostic Significance. Leuk Res 2017. [DOI: 10.1016/s0145-2126(17)30161-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Treatment planning for particle radiation therapy. FRONTIERS OF RADIATION THERAPY AND ONCOLOGY 2015; 21:84-93. [PMID: 3032751 DOI: 10.1159/000413241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Fast neutrons beams from the new medically dedicated cyclotrons in the US have depth dose characteristics comparable to photon beams from a 6-MV linear accelerator, at best. Treatment planning will have specific difficulties related to the relatively increased radiosensitivities of the brain, spinal cord, lens of the eye, and salivary gland. Therefore, exploitation of the potential biologic advantages compared to high energy photons will extract the price of increased difficulties in treatment planning. Dosimetric advantages of protons and helium ions compared to high energy photons are real and make possible the high-dose irradiation of cancers immediately adjacent to sensitive critical normal structures. Treatment planning and delivery with a precision of less than 2 mm is necessary. Such methods are already operational. Particle radiation therapy facilities are national resources, which can help the clinical radiation oncologist in the unique management of a few, specific problems.
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112 RANDOMIZED PHASE III STUDY OF IV RIGOSERTIB VERSUS BEST SUPPORTIVE CARE (BSC) IN PATIENTS WITH HIGHER-RISK MDS (HR-MDS) AFTER FAILURE OF HYPOMETHYLATING AGENTS (HMAS). Leuk Res 2015. [DOI: 10.1016/s0145-2126(15)30113-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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88 BONE MARROW BLAST (BMBL) RESPONSE CORRELATES WITH OVERALL SURVIVAL IN RIGOSERTIB-TREATED PATIENTS WITH HIGHER-RISK MDS AFTER FAILURE OF HYPOMETHYLATING AGENTS (HMAS): A NEW RESPONSE CRITERION? Leuk Res 2015. [DOI: 10.1016/s0145-2126(15)30089-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Monosomal karyotype in MDS: explaining the poor prognosis? Leukemia 2013; 27:1988-95. [PMID: 23787396 DOI: 10.1038/leu.2013.187] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2013] [Revised: 05/30/2013] [Accepted: 06/04/2013] [Indexed: 11/09/2022]
Abstract
Monosomal karyotype (MK) is associated with an adverse prognosis in patients in acute myeloid leukemia (AML). This study analyzes the prognostic impact of MK in a cohort of primary, untreated patients with myelodysplastic syndromes (MDS). A total of 431 patients were extracted from an international database. To analyze whether MK is an independent prognostic marker in MDS, cytogenetic and clinical data were explored in uni- and multivariate models regarding overall survival (OS) as well as AML-free survival. In all, 204/431 (47.3%) patients with MK were identified. Regarding OS, MK was prognostically significant in patients with ≤ 4 abnormalities only. In highly complex karyotypes (≥ 5 abnormalities), MK did not separate prognostic subgroups (median OS 4.9 months in MK+ vs 5.6 months in patients without MK, P=0.832). Based on the number of abnormalities, MK-positive karyotypes (MK+) split into different prognostic subgroups (MK+ and 2 abnormalities: OS 13.4 months, MK+ and 3 abnormalities: 8.0 months, MK+ and 4 abnormalities: 7.9 months and MK+ and ≥ 5 abnormalities: 4.9 months; P<0.01). In multivariate analyses, MK was not an independent prognostic factor. Our data support the hypothesis that a high number of complex abnormalities, associated with an instable clone, define the subgroup with the worst prognosis in MDS, independent of MK.
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P-124 Application of the French Prognostic Score to assess overall survival in a US-based cohort of patients treated with azacitidine. Leuk Res 2013. [DOI: 10.1016/s0145-2126(13)70172-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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P-113 Revised International Prognostic Scoring System (IPSS-R) for primary treated myelodysplastic syndromes (MDS) patients: A report from the IWG-PM. Leuk Res 2013. [DOI: 10.1016/s0145-2126(13)70161-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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I-007 Revised International Prognostic Scoring System (IPSS-R) for MDS: Update. Leuk Res 2013. [DOI: 10.1016/s0145-2126(13)70009-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Functional properties of an ensemble of candidate germline-encoded precursors of the anti-MPER antibody 4E10. Retrovirology 2012. [PMCID: PMC3441869 DOI: 10.1186/1742-4690-9-s2-p344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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170 Azacitidine plus entinostat: Results from E1905, the first randomized trial adding a histone deacetylase inhibitor to a DNMT inhibitor (DNMTi). Leuk Res 2011. [DOI: 10.1016/s0145-2126(11)70172-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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271 Nerve growth factor receptor/p75(NGFR)+ mesenchymal stromal cells are in contact with CD34+ progenitors and are increased in myeloid neoplasia. Leuk Res 2011. [DOI: 10.1016/s0145-2126(11)70273-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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14 Revised International Prognostic Scoring System (IPSS-R), developed by the International Prognostic Working Group for Prognosis in MDS (IWG-PM). Leuk Res 2011. [DOI: 10.1016/s0145-2126(11)70016-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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299 SOCS1 methylation and azacitidine response in high risk myelodysplasia (MDS) and secondary acute myeloid leukemia (AML). Leuk Res 2011. [DOI: 10.1016/s0145-2126(11)70301-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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P02-05. All-trans retinoic acid during vaccination increases Ag-specific CD8 T cell homing to mucosal sites and improves recall responses to vaginal challenge. Retrovirology 2009. [PMCID: PMC2767582 DOI: 10.1186/1742-4690-6-s3-p10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Healthcare Resource Utilization and Costs of Mild, Moderate, and Severe Depression in the Workforce in the United States. Eur Psychiatry 2009. [DOI: 10.1016/s0924-9338(09)70847-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
Objective:Document the healthcare resource utilization and costs by severity for persons in the workforce with major depressive disorder (MDD).Methods:Using the National Comorbidity Survey-Replication data, workforce respondents (n=4,465) were categorized by clinical severity (not clinically depressed, mild, moderate, severe) using standard scales (CIDI/QIDS-SR). Outcomes measured over 12 months included prevalence of medical services/antidepressant use, average number of visits and days on antidepressants, prevalence of treatment adequacy, and medical/drug costs. Costs represent insurer payments to providers and were estimated by weighting utilization measures by unit costs obtained for similar services used by depressed patients in a U.S. employer claims database for the corresponding period (2000-2001). Outcomes were compared across depression severity groups using multivariate analyses adjusting for demographics.Results:Among the 539 depressed workforce respondents, 13.8% were mildly, 38.5% moderately and 47.7% severely depressed. A significant association existed between severity and prevalence of mental health services usage (19.1%, 27.2%, and 40.3% respectively, p< 0.01) and average number of mental health practitioner visits. The use of antidepressants increased with depression severity (21.1%, 27.3%, and 39.5% respectively, p< 0.01). Similarly, the adequacy of mental health services increased with depression severity (6.2%, 11.8%, and 21.3% respectively, p< 0.05). Average 12-month costs per MDD patient were substantially higher for severe vs. mild (mental health services: $697 vs. $388; general medical services: $138 vs. $53; anti-depressant usage $256 vs. $88).Conclusions:Among workforce respondents, there was a significant association between depression severity and treatment usage and costs, and between treatment adequacy and severity.
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Abstract
There is a need for system redesign to meet the needs of individuals with chronic disease. New models of chronic disease care include team-based paradigms that focus on continuous and patient-centred care. In such models the roles of providers and patients must change. In this article we focus on new roles for consultant physicians, as well as barriers and incentives to these roles.
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P135 Has treatment with EPO+/-G-CSF an impact on progression to AML and survival in low/int-1-risk MDS? A comparison between French-EPO patients and the IMRAW database. Leuk Res 2007. [DOI: 10.1016/s0145-2126(07)70205-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abstract
This is the second in a series of articles emphasizing the cautions in the interpretation of health-care studies. Systematic reviews are presented as comprehensive, unbiased summaries of evidence and are often referred to by clinicians, guideline developers and health policy-makers. Their strengths and limitations, and how their results can be subject to bias and misinterpretation, are discussed.
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Abstract
After few seconds, a figure steadily presented in peripheral vision becomes perceptually filled-in by its background, as if it "disappeared". We report that directing attention to the color, shape, or location of a figure increased the probability of perceiving filling-in compared to unattended figures, without modifying the time required for filling-in. This effect could be augmented by boosting attention. Furthermore, the frequency distribution of filling-in response times for attended figures could be predicted by multiplying the frequencies of response times for unattended figures with a constant. We propose that, after failure of figure-ground segregation, the neural interpolation processes that produce perceptual filling-in are enhanced in attended figure regions. As filling-in processes are involved in surface perception, the present study demonstrates that even very early visual processes are subject to modulation by cognitive factors.
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Translating health research into clinical advice and health recommendations: the NHMRC experience 2000-2005. Intern Med J 2006; 36:335-7. [PMID: 16732856 DOI: 10.1111/j.1445-5994.2006.01089.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abstract
Abstract
After few seconds, a figure steadily presented in peripheral vision becomes perceptually filled-in by its background, as if it “disappeared”. We report that directing attention to the color, shape, or location of a figure increased the probability of perceiving filling-in compared to unattended figures, without modifying the time required for filling-in. This effect could be augmented by boosting attention. Furthermore, the frequency distribution of filling-in response times for attended figures could be predicted by multiplying the frequencies of response times for unattended figures with a constant. We propose that, after failure of figure–ground segregation, the neural interpolation processes that produce perceptual filling-in are enhanced in attended figure regions. As filling-in processes are involved in surface perception, the present study demonstrates that even very early visual processes are subject to modulation by cognitive factors.
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Pharmacogenomic assessment of treatment options in gestational diabetes. THE PHARMACOGENOMICS JOURNAL 2005; 5:338-45. [PMID: 16186854 DOI: 10.1038/sj.tpj.6500333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Gene expression profiles offer a multidimensional view of metabolic diseases, typically characterized by a single parameter, and can provide a basis for choosing between therapies yielding a common clinical end point. We applied such an approach in gestational diabetes mellitus (GDM). Gene expression was examined in four maternal tissues and placentas from normal patients and euglycemic GDM patients, undergoing elective Cesarean sections at term, treated either by diet or diet plus insulin. Deviations from normal were 11-fold greater for the patients treated by diet, alone, than for patients treated by diet plus insulin. Assuming the achievement of a "normal" gene expression profile, in addition to euglycemia, is a desirable outcome of treatment, insulin treatment appears to have a beneficial effect in the treatment of GDM. Subsequently, we utilized the expression data to identify serum biomarkers that provide ways to monitor the benefits of insulin treatment in GDM.
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Hematologic and cytogenetic (CTG) response to lenalidomide (CC-5013) in patients with transfusion-dependent (TD) myelodysplastic syndrome (MDS) and chromosome 5q31.1 deletion: Results of the multicenter MDS-003 Study. J Clin Oncol 2005. [DOI: 10.1200/jco.2005.23.16_suppl.5] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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P-75 The use of erythropoietin inmyelodysplastic syndromes (MDS): Impact on fatigue and quality of life. Leuk Res 2005. [DOI: 10.1016/s0145-2126(05)80139-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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P-113 The efficacy and tolerabilityof ICL670, a once-daily oral iron chelator, in patients with myelodysplastic syndrome (MDS) and iron overload. Leuk Res 2005. [DOI: 10.1016/s0145-2126(05)80177-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Reply. Intern Med J 2004. [DOI: 10.1111/j.1445-5994.2004.00678.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Hyponatraemia. Aust Prescr 2004. [DOI: 10.18773/austprescr.2004.052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Drug-induced hyponatraemia. Aust Prescr 2004. [DOI: 10.18773/austprescr.2004.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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74 CD8+ T CELLS AS IMMUNOGENIC VACCINE VEHICLES. J Investig Med 2004. [DOI: 10.1136/jim-52-suppl1-74] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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396 CD8+ T CELLS AS IMMUNOGENIC VACCINE VEHICLES. J Investig Med 2004. [DOI: 10.1136/jim-52-suppl1-396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Abstract
Arsenic trioxide (ATO) has a long history of efficacy as an antileukemic agent. However, with the advent of modern therapy, it had been relegated to a historical footnote. In the 1990s, investigators in China reported that ATO was safe and had dramatic efficacy in patients with acute promyelocytic leukemia (APL). Preclinical investigations indicate that the biological targets of this novel drug extend to a variety of malignancies other than APL and include induction of apoptosis, nonterminal differentiation, and suppression of proliferation and angiogenesis. The myelodysplastic syndromes (MDSs) present a particular therapeutic challenge. Ineffective hematopoiesis predominates in patients with low-grade prognostic scores. The survival of those patients with high-grade disease is compromised by a high risk of leukemia transformation. Although a number of therapeutic options have been investigated, none has emerged as being broadly efficacious and having an acceptable toxicity profile. No drug has yet received approval by the Food and Drug Administration for this indication. Biologic features of MDS, which include accelerated apoptotic potential, limited maturation capacity, and medullary neovascularity, create a strong scientific rationale for the investigation of ATO in MDS. This report describes the history and scientific basis for ATO treatment of hematologic malignancies, enumerates the potential benefits of ATO in MDS, and discusses the direction of ongoing trials of this novel antineoplastic agent.
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Soluble TNF receptor fusion protein (etanercept) for the treatment of myelodysplastic syndrome: a pilot study. Leukemia 2002; 16:162-4. [PMID: 11840280 DOI: 10.1038/sj.leu.2402356] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2001] [Accepted: 10/11/2001] [Indexed: 11/10/2022]
Abstract
Blockade of tumor necrosis factor (TNF)alpha by a soluble TNF receptor fusion protein (etanercept; Enbrel) improved in vitro hemopoiesis from the marrow of patients with myelodysplastic syndrome (MDS). Therefore, we enrolled 14 MDS patients (4 RA, 2 RARS, 6 RAEB, 2 CMML), 44-80 (median 60) years old, in a pilot trial. Etanercept, 25 mg, was given twice a week s.c. for 16 weeks (increased to three times a week if no response at 8 weeks). Among 12 evaluable patients, four had rises in hemoglobin by 1-1.5 gm/dl (three) or decreased transfusion requirements (one). Two patients had increased platelet counts (54% and 73%), and two increased neutrophils (63% and 120%). Baseline TNFalpha levels, determined in all patients, did not correlate with responses. Among eight marrows available for sequential in vitro assays, four showed increases in CFU-GM of 1.5- to 5-fold at 8 weeks, whereas three showed 3- to 10-fold decrements relative to baseline. Thus, etanercept treatment resulted in moderate improvements of cytopenias in some patients, while cell counts declined in others. Additional trials are needed to evaluate its clinical efficacy in MDS.
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Treatment of myelodysplastic syndrome with agents interfering with inhibitory cytokines. Ann Rheum Dis 2001; 60 Suppl 3:iii41-2. [PMID: 11890651 PMCID: PMC1766670 DOI: 10.1136/ard.60.90003.iii41] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Results of these trials provide evidence for biological activity and some clinical efficacy of agents potentially blocking inhibitory cytokines in patients with MDS. However, given the limited responses, it appears that factors additional to TNFalpha inhibitory activity contribute to the development of cytopenias in these patients. Further studies are warranted using anti-TNFalpha/anti-inhibitory cytokine approaches, either alone or in combination with other agents, capable of abrogating the effects of additional inhibitory mechanisms in MDS.
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Problematic WHO reclassification of myelodysplastic syndromes. Members of the International MDS Study Group. J Clin Oncol 2000; 18:3447-52. [PMID: 11013289 DOI: 10.1200/jco.2000.18.19.3447] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Abstract
Depression compromises affected individuals' functional well-being and impairs their level of social and workplace performance. Improved social functioning in depressed patients may improve their work productivity. This study evaluated the differential effects of two antidepressants on social functioning outcomes for patients with major depression comparing reboxetine, a non-tricyclic, selective noradrenaline reuptake inhibitor and fluoxetine, a commonly prescribed selective serotonin reuptake inhibitor. A model using data from 284 depressed patients (138 reboxetine, 146 fluoxetine) in two 8-week clinical trials was developed to predict the percentage change over time in continuous outcome assessments as measured by a 21-item self-rating scale called the Social Adaptation Self-evaluation Scale (SASS). The percentage change from baseline SASS score was modelled as a function of both time-invariant and time-varying covariates. Results suggest that, by mid-study, the more severely ill subjects benefitted more from reboxetine treatment in terms of the outcome improvement rate and, by study-end, this effect also extended into the less severely ill population. In addition, a significant relationship was identified between the change in depression symptom severity as measured by the standard Hamilton Depression Rating Scale score and the change in social functioning per the SASS.
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Assessing community-wide outcomes of prevention marketing campaigns through telephone surveys. SOCIAL MARKETING QUARTERLY 2000; 6:23-32. [PMID: 12349592 DOI: 10.1080/15245004.2000.9961090] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Researchers at Battelle Centers for Public Health Research and Evaluation (CPHRE) were contracted by the Centers for Disease and Prevention (CDC) to conduct a random sample survey to serve as one component of the evaluation of the Prevention Marketing Initiative (PMI) Local Site Demonstration Project, a community-based HIV prevention program for adolescents. Data were collected from 1,402 adolescents over a 23-month period. A five wave, cross-sectional design was used. A dual sampling strategy combined Random Digit Dialing (RDD) with Listed Household (LHH) samples. Particular care was devoted to ensuring the rights of teenaged participants. Data were collected anonymously and concerns about confidentiality and privacy informed design and operational decisions. Response rate goals were achieved. Factors that may have contributed to the adequacy of the response rate include the use of advance letters and a toll-free phone line as well as sensitivity to the needs and concerns of the target population, the perceived legitimacy of CDC research and the perseverance of the interviewers.
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50
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Savings in direct medical costs from the use of tobramycin solution for inhalation in patients with cystic fibrosis. Clin Ther 2000; 22:140-51. [PMID: 10688397 DOI: 10.1016/s0149-2918(00)87985-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
OBJECTIVE Two identical 24-week, double-blind, placebo-controlled trials of tobramycin solution for inhalation (TOBI [PathoGenesis Corporation, Seattle, Washington]) in cystic fibrosis patients with chronic Pseudomonas aeruginosa infection were conducted in the United States. The aim of the present study was to extrapolate the US trial data to a Canadian setting, using Canadian costs to estimate the savings in direct medical costs that might result from use of a similar 24-week TOBI regimen versus usual care in 2 Canadian provinces. BACKGROUND Cystic fibrosis is a genetic disease in which persistent respiratory infection, usually due to P. aeruginosa infection, is the major cause of morbidity and mortality. METHODS The US trials demonstrated that TOBI produced significant improvements in pulmonary function test results, reduced sputum levels of P. aeruginosa, and resulted in a 26% reduction in the probability of hospitalization (95% CI, 2%-43% vs placebo in the clinical trials). Individual patient data from the US trials were used to calculate the mean number of days in hospital as well as the mean number of days of home intravenous or oral antibiotic therapy. To adjust for Canadian pricing, pertinent economic data were obtained from Statistics Canada and the Ontario and Quebec health ministries. Demographic and baseline data were obtained from health surveys conducted by the Canadian Cystic Fibrosis Foundation. RESULTS Economic analysis showed that the use of TOBI for 24 weeks would result in estimated mean per-patient savings in direct medical costs (in Canadian dollars) of $4055 in Ontario and $4916 in Quebec, which would substantially offset the Canadian acquisition price of $8602 for the same 24-week period. CONCLUSIONS Assuming that the percentage of reduction in hospital days observed in the US trials would also occur in the Canadian clinical setting, use of TOBI would reduce the use of health care services, particularly hospital days, and lead to substantial savings in direct medical costs that would offset its acquisition price. Whether this reduction actually occurs after TOBI enters the Canadian market is a subject for future investigation.
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