This database contains 35 studies, archived under the term: "doubleblind method"
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Rivastigmine for mild cognitive impairment in Parkinson disease: a placebo-controlled study
Mild cognitive impairment (MCI) in Parkinson’s disease (PD) may be associated with subtle functional impairment and worse quality of life. The objective of this study was to determine the efficacy and tolerability of rivastigmine for PD-MCI. Patients with PD-MCI (n = 28) were enrolled in a 24-week, randomized, double-blind, placebo-controlled, crossover, single-site study of the rivastigmine transdermal […]
Effect of Dextromethorphan-Quinidine on Agitation in Patients With Alzheimer Disease Dementia: A Randomized Clinical Trial
Cummings, J. L.,
Lyketsos, C. G.,
Peskind, E. R.,
Porsteinsson, A. P.,
Mintzer, J. E.,
Scharre, D. W.,
De La Gandara, J. E.,
Agronin, M.,
Davis, C. S.,
Nguyen, U.,
Shin, P.,
Tariot, P. N.,
Siffert, J.
IMPORTANCE: Agitation is common among patients with Alzheimer disease; safe, effective treatments are lacking. OBJECTIVE: To assess the efficacy, safety, and tolerability of dextromethorphan hydrobromide-quinidine sulfate for Alzheimer disease-related agitation. DESIGN, SETTING, AND PARTICIPANTS: Phase 2 randomized, multicenter, double-blind, placebo-controlled trial using a sequential parallel comparison design with 2 consecutive 5-week treatment stages conducted August […]
Treatment with Huperzine A improves cognition in vascular dementia patients
Xu, Zhi-Qiang,
Liang, Xiao-Min,
Juan, Wu,
Zhang, Yuan-Feng,
Zhu, Chun-Xia,
Jiang, Xiao-Jiang
Unlabelled: In the present study, we tested the efficacy and safety of Huperzine A in treatment of mild to moderate vascular dementia (VaD). This was a randomized, double-blinded, placebo-controlled study with 78 patients with mild to moderate VaD. The participants were randomized to receive either vitamin C (100-mg bid) as placebo (n = 39) or […]
Effects of Chinese medicine for promoting blood circulation and removing blood stasis in treating patients with mild to moderate vascular dementia: a randomized, double-blind and parallel-controlled trial
Wei, Ming-qing,
Tian, Jin-zhou,
Shi, Jing,
Ma, Fu-yun,
Miao, Ying-chun,
Wang, Yong-yan
Background: Vascular dementia (VaD) is the second common subtype of dementia after Alzheimer’s disease. However, there is still a lack of medication that demonstrates clinically relevant symptomatic improvement. Static blood obstructing the brain is the main Chinese medicine syndrome of VaD.; Objective: To evaluate the effects of Chinese medicine for promoting blood circulation and removing […]
Diuretic use is associated with better learning and memory in older adults in the Ginkgo Evaluation of Memory Study
Yasar, Sevil,
Lin, Fu-Mei,
Fried, Linda P.,
Kawas, Claudia H.,
Sink, Kaycee M.,
DeKosky, Steven T.,
Carlson, Michelle C.
Background: To investigate the association between diuretics, angiotensin-converting enzyme inhibitors (ACE-I), angiotensin II receptor blockers (AT2RB), and cognitive function.; Methods: This post hoc analysis of the randomized controlled Ginkgo Evaluation of Memory Study trial focuses on 3069 nondemented community-dwelling participants aged >75 years. At baseline visit, detailed information about medication use was collected and five […]
The effects of ramipril in individuals at risk for Alzheimer’s disease: results of a pilot clinical trial
Wharton, Whitney,
Stein, James H.,
Korcarz, Claudia,
Sachs, Jane,
Olson, Sandra R.,
Zetterberg, Henrik,
Dowling, Maritza,
Ye, Shuyun,
Gleason, Carey E.,
Underbakke, Gail,
Jacobson, Laura E.,
Johnson, Sterling C.,
Sager, Mark A.,
Asthana, Sanjay,
Carlsson, Cynthia M.
Research shows that certain antihypertensives taken during midlife confer Alzheimer’s disease (AD) related benefits in later life. We conducted a clinical trial to evaluate the extent to which the angiotensin converting enzyme inhibitor (ACE-I), ramipril, affects AD biomarkers including cerebrospinal fluid (CSF) amyloid-β (Aβ) levels and ACE activity, arterial function, and cognition in participants with […]
Dietary patterns are associated with cognition among older people with mild cognitive impairment
Torres, Susan J.,
Lautenschlager, Nicola T.,
Wattanapenpaiboon, Naiyana,
Greenop, Kathryn R.,
Beer, Christopher,
Flicker, Leon,
Alfonso, Helman,
Nowson, Caryl A.
There has been increasing interest in the influence of diet on cognition in the elderly. This study examined the cross-sectional association between dietary patterns and cognition in a sample of 249 people aged 65-90 years with mild cognitive impairment (MCI). Two dietary patterns; whole and processed food; were identified using factor analysis from a 107-item; […]