Related by context. Frequent words. (Click for all words.) 81 randomized clinical 79 randomized controlled 77 multicenter study 77 randomized controlled trials 75 observational study 74 randomized trials 74 randomized placebo controlled 73 randomized 72 prospective cohort 71 prospective randomized 71 multicenter 71 placebo controlled 69 randomized clinical trials 68 meta analysis 67 double blind placebo 67 randomized double 66 blind randomized 66 longitudinal study 64 clinical trial 64 observational studies 63 RCTs 63 blind randomized placebo 62 blind placebo controlled 60 meta analyzes 58 postmenopausal women 58 study 57 Phase 2b study 56 dose escalation study 56 Phase IIb trial 55 randomly assigned 55 Phase 2a clinical 54 Phase IIb 54 premenopausal women 53 clinical trials 53 epidemiological studies 53 efficacy 53 Phase 2b clinical 53 ACCORD 52 randomized Phase 52 vitamin D supplementation 52 dose escalation 52 non inferiority 52 n = 52 tolerability 52 statin therapy 52 post hoc 52 rosuvastatin 52 Clinical trials 52 cognitive behavioral therapy 52 Phase III clinical 52 Phase IIb clinical 51 adjuvant chemotherapy 51 journal Neurology 51 Efficacy 51 pre menopausal 51 cohort 51 Phase 1b 51 hypertensive patients 51 postmenopausal 51 authors conclude 50 Phase IIa 50 WHI 50 Lancet Oncology 50 dose regimen 50 supplementation 50 DSMB 50 adjuvant therapy 50 Phase III trials 49 NEJM 49 pivotal Phase III 49 Phase Ib 49 monotherapy 49 pharmacodynamics 49 Phase 2b 49 safety tolerability 49 Conclusions 49 post menopausal 49 placebo 49 Phase III 49 ACTEMRA 49 Cohort 49 Phase IIa clinical 48 acute ischemic stroke 48 prophylaxis 48 heartwire 48 citalopram 48 knee osteoarthritis 48 bevacizumab 48 vitro studies 48 donepezil 48 dosing regimens 48 Lancet 48 relapsing remitting multiple sclerosis 48 American Geriatrics Society 48 cognitive behavioral 48 Phase 2a 48 sunitinib 48 secondary endpoint 48 clinically meaningful 48 statistically significant differences 47 letrozole