Evidence Search

Search across evidence sources using semantic retrieval and quality ranking.

Found 10 results for "placebo-effect" (0.237s)
Impact of active placebo controls on estimated drug effects in randomised trials: a systematic review of trials with both active placebo and standard placebo Score: 69.62
cochrane_review meta_analysis Quality: 78 📅 2023 🏷️ cochrane-supplements 📊 12 citations 🔓 Open Access
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PMID: 36877132 DOI: 10.1002/14651858.MR000055.pub2
PROVIT: Supplementary Probiotic Treatment and Vitamin B7 in Depression-A Randomized Controlled Trial Score: 62.23
pubmed_article rct Quality: 60 📅 2020 🏷️ probiotics-mood 📊 147 citations 🔓 Open Access
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PMID: 33171595 DOI: 10.3390/nu12113422
Statin therapy and plasma coenzyme Q10 concentrations--A systematic review and meta-analysis of placebo-controlled trials Score: 60.97
pubmed_article meta_analysis Quality: 54 📅 2015 🏷️ coq10-heart 📊 190 citations
PMID: 26192349 DOI: 10.1016/j.phrs.2015.07.008
Multispecies probiotic administration reduces emotional salience and improves mood in subjects with moderate depression: a randomised, double-blind, placebo-controlled study Score: 58.39
pubmed_article rct Quality: 58 📅 2023 🏷️ probiotics-mood 📊 53 citations 🔓 Open Access
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PMID: 35129111 DOI: 10.1017/S003329172100550X
Effect of short-term, high-dose probiotic supplementation on cognition, related brain functions and BDNF in patients with depression: a secondary analysis of a randomized controlled trial Score: 58.12
pubmed_article rct Quality: 65 📅 2023 🏷️ probiotics-mood 📊 88 citations 🔓 Open Access
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PMID: 36653035 DOI: 10.1503/jpn.220117
Effect of Alpha-S1-Casein Tryptic Hydrolysate and L-Theanine on Poor Sleep Quality: A Double Blind, Randomized Placebo-Controlled Crossover Trial Score: 56.98
pubmed_article rct Quality: 60 📅 2022 🏷️ l-theanine-sleep 📊 12 citations 🔓 Open Access
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PMID: 35277011 DOI: 10.3390/nu14030652
12-week preoperative probiotic supplementation versus placebo: effects on inflammation, endotoxemia, adipokines, and gastrointestinal peptides in patients six months after bariatric surgery - a double-blind, randomized, placebo-controlled clinical trial Score: 56.82
pubmed_article rct Quality: 55 📅 2025 🏷️ probiotics-gut 📊 2 citations 🔓 Open Access
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PMID: 41068905 DOI: 10.1186/s12937-025-01217-2
The effect of Vitamin-K1 and Colchicine on Vascular Calcification Activity in subjects with Diabetes Mellitus (ViKCoVaC): A double-blind 2x2 factorial randomized controlled trial Score: 56.69
pubmed_article rct Quality: 58 📅 2022 🏷️ vitamin-k-cardiovascular 📊 26 citations 🔓 Open Access
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PMID: 33825140 DOI: 10.1007/s12350-021-02589-8
Probiotic Lactobacillus casei strain Shirota relieves stress-associated symptoms by modulating the gut-brain interaction in human and animal models Score: 56.57
pubmed_article rct Quality: 53 📅 2016 🏷️ probiotics-mood 📊 233 citations 🔓 Open Access
PMID: 26896291 DOI: 10.1111/nmo.12804
Probiotic Lactobacillus Plantarum 299v decreases kynurenine concentration and improves cognitive functions in patients with major depression: A double-blind, randomized, placebo controlled study Score: 56.22
pubmed_article rct Quality: 56 📅 2019 🏷️ probiotics-mood 📊 473 citations
PMID: 30388595 DOI: 10.1016/j.psyneuen.2018.10.010