Related by context. Frequent words. (Click for all words.) 86 randomized controlled trials 85 randomized clinical trials 78 meta analyzes 75 observational studies 74 randomized controlled trial 73 meta analysis 73 randomized clinical 69 randomized controlled 68 prospective randomized 67 epidemiological studies 66 observational study 65 randomized 65 multicenter 63 clinical trials 63 placebo controlled 62 randomized placebo controlled 62 clinical trial 62 statin therapy 61 prospective cohort 61 adjuvant therapy 60 hypertensive patients 60 adjuvant chemotherapy 60 rosuvastatin 60 statins 59 efficacy 58 studies 58 drug eluting stents 58 Phase III trials 58 dose escalation 57 statin 57 postmenopausal women 57 double blind placebo 57 inhaled corticosteroids 57 sunitinib 56 rosiglitazone 56 pioglitazone 56 Clinical trials 56 NEJM 56 clinically meaningful 56 randomized double 56 dosing regimens 56 DSMB 56 blind randomized 55 bevacizumab 55 heartwire 55 anastrozole 55 vertebroplasty 55 celecoxib 55 letrozole 55 pre menopausal 55 Phase IIb trial 54 allopurinol 54 tolerability 54 blind randomized placebo 54 monotherapy 54 rivaroxaban 54 longitudinal study 54 epidemiologic 54 zoledronic acid 54 premenopausal women 54 post hoc 54 NSAIDs 53 Phase IIb 53 gemcitabine 53 tolerability profile 53 tumor shrinkage 53 dose aspirin 53 postmenopausal 53 etanercept 53 hormonal therapy 52 cardiovascular mortality 52 comorbidities 52 stenting 52 cetuximab 52 tamoxifen 52 treatment regimens 52 PPIs 52 WHI 52 CABG 52 antiretroviral therapy 52 anticoagulation 52 non inferiority 52 evaluable patients 52 aprotinin 52 randomized Phase 52 Efficacy 52 authors conclude 52 ACCORD 52 infliximab 52 Phase 2b 52 epidemiological 52 warfarin 52 acute ischemic stroke 51 adjunctive 51 blind placebo controlled 51 NSAID 51 HAART 51 sorafenib 51 clinical 51 angiographic 51 reach statistical significance