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582 result(s) for "Drug Substitution - statistics "
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Guideline adherence of antidepressant treatment in outpatients with major depressive disorder: a naturalistic study
Little is known about guideline adherence of naturalistic antidepressant drug therapy in outpatients with major depressive disorder (MDD). The aim of the study was to analyze guideline adherence, especially regarding treatment length, treatment evaluation and medication change strategies. We investigated 889 patients with MDD who had been admitted for inpatient treatment and were enrolled in the early medication change trial (ClinicalTrials.gov NCT00974155). We investigated all patients at screening visit regarding previous outpatient drug treatment in the index episode, which was assessed by structured interviews. Demographic variables were obtained from patients and patients’ records. 51.0% of the patients had received previous drug treatment in the index episode, 56.6% were females, and their mean age was 40.0 years. In the 153 patients who were pharmacologically treated at least 8 weeks, medication was not changed in 129 (84.3%) patients. Patients who had a medication change in their index episode ( n  = 24, 15.7%) waited 71.1 weeks (±110.4) for their treatment optimization. Only 5 of those 153 patients (3.3%) had a dose increase, whereas 132 patients (86.3%) had no dose adaption at all. Antidepressant blood levels were measured in 46 patients (30.1%). We conclude that a large proportion of patients with MDD is not treated in adherence to treatment guidelines recommending treatment evaluation (e.g. therapeutic drug monitoring) and treatment change after 4 to 8 weeks in non-responders. Earlier treatment optimization may prevent long-term suffering of patients and may avoid inpatient treatment.
Clinical and Sociodemographic Characteristics Associated with Suicidal Ideation in Depressed Outpatients
Objective: To identify clinical and sociodemographic characteristics associated with suicidal ideation (SI) among patients seeking care for depression in routine primary and psychiatric care settings. Methods: We examined data from 4041 treatment-seeking outpatients with major depressive disorder (MDD) to compare baseline sociodemographic and clinical characteristics of those with and without SI, and the presence or absence of baseline depressive symptoms and psychiatric comorbidities in those with SI. Results: SI was significantly (P < 0.01) associated with numerous sociodemographic characteristics (that is, lower level of education, Caucasian or African American, male, unemployed, and treated in psychiatric care) and clinical features (that is, previous suicide attempt, younger age of MDD onset, greater baseline depressive symptom severity, greater number of depressive symptoms, and presence of agoraphobia and [or] generalized anxiety disorder). Elevated levels of SI at baseline were associated with decreased remission rates. Conclusions: Consistent with past findings, increased rates of SI were associated with greater depressive symptom severity as well as other features suggestive of severity of illness. Our results confirm previous findings of associations between SI and panic and (or) phobic symptoms and anxiety, but did not confirm previous findings of an association between SI and alcohol or drug use and (or) dependence. While selective serotonin reuptake inhibitor monotherapy appeared significantly helpful in reducing SI during the course of treatment, the presence of SI at baseline was found to be a associated with decreased treatment response, with patients reporting SI at the start of treatment being less likely to achieve remission. Clinical Trial Registration Number: Sequenced Treatment Alternatives to Relieve Depression, NCT00021528.
Switching patients with acromegaly from octreotide to pasireotide improves biochemical control: crossover extension to a randomized, double-blind, Phase III study
Background Many patients with acromegaly do not achieve biochemical control with first-generation somatostatin analogues. A large, multicenter, randomized, Phase III core study demonstrated that pasireotide LAR had significantly superior efficacy over octreotide LAR. This analysis explores the efficacy and safety of switching therapeutic arms in inadequately controlled patients during a 12-month crossover extension. Methods Patients with inadequate biochemical control (GH ≥2.5 μg/L and/or IGF-1 > ULN) at end of core study (month 12) were eligible to switch to pasireotide LAR 40 mg/28 days ( n  = 81) or octreotide LAR 20 mg/28 days ( n  = 38). One dose escalation to pasireotide LAR 60 mg/28 days or octreotide LAR 30 mg/28 days was permitted, but not mandatory, at month 17 or 20. Results Twelve months after crossover, 17.3 % of pasireotide LAR and 0 % of octreotide LAR patients achieved GH <2.5 μg/L and normal IGF-1 (main outcome measure); 27.2 and 5.3 % of pasireotide LAR and octreotide LAR patients achieved normal IGF-1, respectively; 44.4 and 23.7 % of pasireotide LAR and octreotide LAR patients achieved GH <2.5 μg/L, respectively. Mean (±SD) tumor volume further decreased from the end of the core study by 25 % (±25) and 18 % (±28); 54.3 % of pasireotide LAR and 42.3 % of octreotide LAR patients achieved significant (≥20 %) tumor volume reduction during the extension. The safety profile of pasireotide LAR was similar to that of octreotide LAR, with the exception of the frequency and degree of hyperglycemia-related adverse events. Conclusions Pasireotide LAR is a promising treatment option for patients with acromegaly inadequately controlled with the first-generation somatostatin analogue octreotide LAR. Trial registration clinicaltrials.gov, NCT00600886 . Registered 14 January 2008
Associations between generic substitution and patients' attitudes, beliefs and experiences
Background Generic substitution has been implemented in many countries, but knowledge about patients’ attitudes, beliefs and experiences is still sparse. Aim To assess associations between generic switching and patients’ attitudes, beliefs and experiences with previous generic switching. Design and setting A cross-sectional study comprising questionnaire responses from 2,476 randomly selected patients aged 20 years or older and living in the Region of Southern Denmark, who had redeemed substitutable drugs. Methods The questionnaire included items on beliefs about medicine, views on generic medicine and confidence in the healthcare system. Only prescriptions issued by the general practitioners were included. For each patient, we focused on one purchase of a generically substitutable drug (index drug). Patients were identified by means of a dispensing database. Results Earlier generic switches within the index ATC code were statistically significantly associated with experience of a generic switch (adjusted OR 5.93; 95 % CI 4.70–7.49). Having had more than five earlier switches within other ATC codes and having negative views on generic medicines reduced the odds of experiencing a generic switch. No associations were found between generic substitution and gender, drug group, number of different drugs used by the patient, confidence in the health care system and beliefs about medicine in general. Conclusion Patients who had once experienced a generic switch were more likely to accept a future generic switch within the same ATC code. Negative views on generic medicines were negatively associated with switching, while beliefs about medicine and confidence in the healthcare system had no influence.
Predicting resistance as indicator for need to switch from first-line antiretroviral therapy among patients with elevated viral loads: development of a risk score algorithm
Background In resource-limited settings, where resistance testing is unavailable, confirmatory testing for patients with high viral loads (VL) delays antiretroviral therapy (ART) switches for persons with resistance. We developed a risk score algorithm to predict need for ART change by identifying resistance among persons with persistently elevated VL. Methods We analyzed data from a Phase IV open-label trial. Using logistic regression, we identified demographic and clinical characteristics predictive of need for ART change among participants with VLs ≥1000 copies/ml, and assigned model-derived scores to predictors. We designed three models, including only variables accessible in resource-limited settings. Results Among 290 participants with at least one VL ≥1000 copies/ml, 51 % (148/290) resuppressed and did not have resistance testing; among those who did not resuppress and had resistance testing, 47 % (67/142) did not have resistance and 53 % (75/142) had resistance (ART change needed for 25.9 % (75/290)). Need for ART change was directly associated with higher baseline VL and higher VL at time of elevated measure, and inversely associated with treatment duration. Other predictors included body mass index and adherence. Area under receiver operating characteristic curves ranged from 0.794 to 0.817. At a risk score ≥9, sensitivity was 14.7–28.0 % and specificity was 96.7–98.6 %. Conclusions Our model performed reasonably well and may be a tool to quickly transition persons in need of ART change to more effective regimens when resistance testing is unavailable. Use of this algorithm may result in public health benefits and health system savings through reduced transmissions of resistant virus and costs on laboratory investigations.
Real-world Pattern of Biologic Use in Patients With Inflammatory Bowel Disease: Treatment Persistence, Switching, and Importance of Concurrent Immunosuppressive Therapy
Medication persistence, defined as the time from drug initiation to discontinuation of therapy, has been suggested as a proxy for real-world therapeutic benefit and safety. This study seeks to compare the persistence of biologic drugs among patients with inflammatory bowel disease (IBD). Patients with newly diagnosed IBD were included in a retrospective study using Truven MarketScan database. Treatment persistence and switching was compared among biologic medications including infliximab, adalimumab, certolizumab, golimumab, and vedolizumab. Predictors for discontinuation and switching were evaluated using time-dependent proportional hazard regression. In total, 5612 patients with Crohn's disease (CD) and 3533 patients with ulcerative colitis (UC) were included in this analysis. Less than half of the patients continued using their initial biologic treatment after 1 year (48.48% in CD cohort; 44.78% in UC cohort). In the first year, adalimumab had the highest persistence and lowest switching rates for both CD (median survival time: 1.04 years) and UC (median survival time: 0.84 years). In subsequent years, infliximab users were more likely to persist in the use of biologic. Combination therapy with immunomodulators significantly decreased the risk of discontinuation, especially when immunomodulator therapy was started more than 30 days before the biologic (hazard ratio [HR], 0.22; CI, 0.16, 0.32). The major predictors for noncompliance included infection and hospitalization. Overall, the persistence profiles of biologics suggest a high rate of dissatisfaction or adverse disease outcomes resulting in discontinuation and switching to a different agent. Early initiation of immunomodulators will substantially increase the persistence of biologic treatment.
Denosumab in Patients with Fibrous Dysplasia Previously Treated with Bisphosphonates
Fibrous dysplasia/McCune-Albright syndrome (FD/MAS) is a rare bone disorder commonly treated with bisphosphonates, but clinical and biochemical responses may be incomplete. To evaluate the efficacy and tolerability of the receptor activator of nuclear factor-κB ligand inhibitor denosumab in the treatment of patients with FD/MAS refractory to bisphosphonate therapy. Case series. Academic center of expertise for rare bone diseases. Data were collected from 12 consecutive patients with FD/MAS with persistent pain and increased biochemical markers of bone turnover (BTMs) after long-term treatment with bisphosphonates (median, 8.8 years) and were treated with subcutaneous denosumab 60 mg at 3- or 6-month intervals with a follow-up for at least 12 months. Sustained reduction of BTMs and bone pain. A 60 mg dose of denosumab once every 3 months, but not once every 6 months, induced a sustained reduction of BTMs. After a median treatment period of 15.5 months (range, 12 to 19) serum alkaline phosphatase activity and propeptide of type 1 procollagen levels were respectively reduced from 212 ± 39.4 IU/L to 79 ± 6.0 IU/L (P = 0.004) and from 346.2 ± 111.1 ng/mL to 55.7 ± 16.6 ng/mL (P = 0.023) and normalized in 70% and 75% of patients, respectively. Although not quantitavely measured, 10 patients reported a reduction in bone pain of whom 6 reported complete elimination of pain. Treatment with denosumab was well tolerated. Our results indicate that 60 mg of denosumab every 3 months is a promising, well-tolerated treatment of most patients with FD/MAS refractory to bisphosphonate therapy. These results together with those of previously published case reports provide the necessary background for the design of a larger, controlled study.
Utilization of psychotropic medications in individuals with autism spectrum disorder
Background Second-generation antipsychotics (SGAs), specifically aripiprazole and risperidone, and selective serotonin reuptake inhibitors (SSRIs), are psychotropic medications commonly prescribed to individuals with autism spectrum disorder (ASD). However, it is unclear how often individuals with ASD initiate with SGAs, how frequently they switch medications, and how utilization has changed over time. This study investigates trends in psychotropic medication use among individuals with ASD in the USA from 2012 to 2021. Methods We analyzed a national cohort of commercially insured individuals with ASD aged 2 to 26 years using data from the IQVIA PharMetrics Plus for Academics database. Individuals were classified as newly prescribed if they had not previously received a prescription for the medication before the study period, and no prescription in the period immediately preceding it. We examined trends in psychotropic medication utilization yearly and conducted a detailed month-by-month analysis for 2019. A Mann-Whitney U test was used to compare medication switching rates between SSRIs and SGAs. Results Among 24,730 individuals, 64.6% were prescribed SGAs or SSRIs. Medication switching was more frequent among those initially prescribed aripiprazole or risperidone (6.13% annually) compared to those starting with SSRIs (3.41%). The Mann-Whitney U test (W = 67, p  < 0.05) confirmed a significant difference in switching rates between the two groups. Switching from risperidone decreased from 2012 to 2021 (Spearman’s ρ = -0.32), whereas switching from aripiprazole increased (Spearman’s ρ = 0.50). Conclusions Individuals with ASD newly prescribed SGAs switched to other drug classes nearly twice as often as those prescribed SSRIs. The higher switching rate may be influenced by adverse effects or insufficient symptom improvement. Future studies should explore long-term outcomes and the clinical decision-making processes underlying medication changes. Clinical trial number Not applicable.
Cost-effectiveness of romosozumab for the treatment of postmenopausal women with osteoporosis at high risk of fracture in Belgium
SummaryThis study evaluated the cost-effectiveness of sequential treatment with romosozumab-to-alendronate compared to alendronate monotherapy and teriparatide-to-alendronate, in postmenopausal osteoporotic women from a Belgian healthcare perspective. Romosozumab-to-alendronate was found to be cost-effective compared to alendronate monotherapy and dominant compared to teriparatide-to-alendronate for osteoporotic women at high risk of fracture in Belgium.PurposeThis study aimed to evaluate the cost-effectiveness of sequential treatment with romosozumab followed by alendronate compared to alendronate monotherapy and teriparatide followed by alendronate, in postmenopausal osteoporotic women at high risk of fracture, from a Belgian healthcare perspective. Romosozumab is reimbursed in Belgium since December 2021.MethodsA Markov microsimulation model was used to evaluate the cost-effectiveness of romosozumab-to-alendronate compared to alendronate monotherapy and to teriparatide-to-alendronate over a lifetime horizon. Patients transition between five different health states every 6 months based on fracture risks or death. The model was populated with Belgium-specific epidemiological and cost data, where available. The fracture risk reduction of romosozumab treatment was collated from the ARCH study, and from a published network meta-analysis. Costs were included from a healthcare perspective (NIHDI). Cost-effectiveness was reported in terms of costs per quality-adjusted life year (QALY), reported in Euro (€) 2022. Deterministic (DSA) and probabilistic sensitivity analyses (PSA) were performed.ResultsRomosozumab-to-alendronate was associated with 0.12 additional QALYs at an additional cost of €2314 compared to alendronate monotherapy, resulting in an ICER of €19,978. Compared to teriparatide-to-alendronate, romosozumab-to-alendronate was found to be dominant, with higher QALYs and lower costs. The base-case results were robust to uncertainty in the input parameters when conducting the sensitivity analysis.ConclusionSequential treatment with romosozumab followed by alendronate was found to be cost-effective compared to alendronate monotherapy and dominant compared to teriparatide followed by alendronate for postmenopausal women with osteoporosis at high risk of fracture in Belgium.
Real-World Persistence of Successive Biologics in Patients With Inflammatory Bowel Disease: Findings From ROTARY
Abstract Background Patients with inflammatory bowel disease (IBD) may receive multiple successive biologic treatments in clinical practice; however, data are limited on the comparative effectiveness of biologics and the impact of treatment sequence on outcomes. Methods The ROTARY (Real wOrld ouTcomes Across tReatment sequences in inflammatorY bowel disease patients) study was a retrospective, observational cohort study conducted using data from the Optum Clinical Database between January 1, 2012, and February 29, 2020. Adult patients with Crohn’s disease (CD) or ulcerative colitis (UC) who received 2 biologics successively were included. Biologic treatment sequences were analyzed descriptively. Cox proportional hazards models, adjusted for baseline demographics and clinical characteristics, were used to estimate the hazard ratio of switching or discontinuation for each first- and second-line biologic compared with first- and second-line adalimumab, respectively. Results In total, 4648 patients with IBD (CD, n = 3008; UC, n = 1640) were identified. Most patients received tumor necrosis factor α antagonist (anti-TNFα) treatment followed by another anti-TNFα treatment or vedolizumab. Vedolizumab and infliximab had 39.4% and 34.6% lower rates of switching or discontinuation than adalimumab, respectively, as first-line biologics in patients with CD and 30.8% and 34.3% lower rates as first-line biologics in patients with UC, respectively. Vedolizumab, infliximab, and ustekinumab had 47.2%, 40.0%, and 43.5% lower rates of switching or discontinuation than adalimumab, respectively, as second-line biologics in CD and 56.5%, 43.0%, and 45.6% lower rates as second-line biologics in patients with UC, respectively. Conclusions Although anti-TNFα treatments were most commonly prescribed, the adjusted rates of discontinuation for adalimumab as both a first- and second-line biologic were higher than for vedolizumab, infliximab, or ustekinumab. Lay Summary Patients with inflammatory bowel disease are commonly treated with different sequences of biologics. This study shows that patients who receive adalimumab as their first or second biologic treatment either stop or switch to another biologic at a greater rate than those who are treated with vedolizumab, infliximab, and ustekinumab. Graphical Abstract Graphical Abstract