英語 での Placebo-controlled の使用例とその 日本語 への翻訳
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A phase III, randomized, double-blind, placebo-controlled study of niraparib maintenance in patients with homologous recombination deficiency- positive advanced ovarian cancer following response to front-line platinum-based chemotherapy(NCT01847274) is closed to patient accrual and results are pending.
Although some studies have found maternal zinc supplementation increases birth weight and decreases the likelihood of premature delivery, two placebo-controlled studies in Peruvian and Bangladeshi women found that zinc supplementation did not affect the incidence of low birth weight or premature delivery(60, 61).
A randomized, placebo-controlled, double-blind clinical study(1) with a 5g daily supplementation of Peptan or placebo over 90 days showed a reduction in wrinkles.
Findings from two randomized placebo-controlled trials of transdermal therapy are divergent in their findings as to whether extended therapy(22- 24 weeks vs. 8 weeks) improves quit rates.[52][53].
A 30-month randomized placebo-controlled trial in 347 patients with early Huntington's disease supplemented with coenzyme Q10(600 mg/day) found that coenzyme Q10 resulted only in a non-significant(13%) decrease in the decline of behavioral and neurological symptoms(45).
A 2012 meta-analysis of randomized, double-blind, placebo-controlled trials looking at the effects of garlic on serum lipid profiles, found garlic was superior to placebo in reducing serum total cholesterol and triglyceride levels.
LGD-4033 has recently completed a Phase I Multiple Ascending Dose study in healthy volunteers this randomized, double-blind, placebo-controlled Phase I study established the safety and tolerability up to doses of 22 mg.
Two randomized, placebo-controlled trials indicated that erlotinib prolongs survival and time to deterioration in symptoms in patients with NSCLC after first-line or second-line chemotherapy compared with placebo[11][12] but does not improve survival compared with standard second-line chemotherapy with docetaxel or pemetrexed.[13].
In addition, the post-hoc analysis of data from a randomized, placebo-controlled trial in 644 individuals(ages 60-84 years) found that monthly supplementation with 30,000 IU or 60,000 IU of vitamin D3 for a maximum period of one year did not significantly decrease the rate of antibiotic prescriptions for bacterial airway infections.
More recently, a placebo-controlled study in 40 men with type 2 diabetes found that high-dose zinc supplementation(240 mg/day) for three months did not improve measures of oxidative stress or vascular function, but the men in this study had normal zinc levels(91).
a randomized double-blind, placebo-controlled method was employed with daily ingestion of 10g of collagen and placebo for 13 weeks.
A meta-analysis of nine randomized, placebo-controlled trials of folic acid supplementation(0.2 to 15 mg/day for a median duration of six months) in healthy individuals over 45 years of age failed to find a short-term effect on cognitive functions, including memory, speed, language, and executive functions(142).
Two placebo-controlled trials in men and women found that daily antioxidant supplements containing vitamin C, synthetic vitamin E, and beta-carotene did not affect development and progression of age-related cataracts over a 5- to 7-year period(21),(22).
A double-blind, placebo-controlled, parallel, randomized clinical trial found that taking 3 strains of probiotics(Lactobacillus gasseri KS-13, Bifidobacterium bifidum G9-1, and B. longum MM-2) for 6 weeks improved allergy symptoms compared with placebo during the peak of the pollen season.(24).
A randomized, double-blind, placebo-controlled trial in 49 older adults(aged 55-87 years), 35% of which were considered zinc deficient, found that zinc supplementation of 45 mg/day for 12 months reduced the incidence of infection and ex vivo markers of inflammation(TNF-α) and oxidative stress(MDA+ HAE, 8-OHdG)(58).
A randomized, placebo-controlled trial in Great Britain(the CHAOS study) found that supplementing heart disease patients with either 400 IU or 800 IU synthetic alpha-tocopherol(equivalent to 180 mg or 360 mg RRR-alpha-tocopherol) for an average of 18 months dramatically reduced the occurrence of non-fatal heart attacks by 77%. However, alpha-tocopherol supplementation did not significantly reduce total deaths from heart disease(33).
A placebo-controlled double-blind study(Crossover).
With this background, two large randomized placebo-controlled trials were done.
Efficacy and safety confirmed in a randomized, double-blind, placebo-controlled, multi-location study.
So we do random-assignment, placebo-controlled, long-term studies of different interventions.