Related by context. Frequent words. (Click for all words.) 77 randomized controlled trial 75 multicenter 75 randomized clinical 71 randomized controlled 71 observational study 70 prospective randomized 69 prospective cohort 67 clinical trial 67 longitudinal study 67 randomized controlled clinical 67 randomized placebo controlled 66 placebo controlled 66 randomized trials 66 randomized double 66 randomized 65 multicenter randomized double 64 randomized clinical trials 64 meta analysis 64 blind randomized 64 Phase 2b study 64 blind randomized placebo 63 double blind placebo 63 Phase IIb trial 62 blind placebo controlled 62 randomized controlled trials 62 placebo controlled trials 62 study 61 EORTC 61 dose escalation study 60 phase IIb 59 Phase 2b trial 59 dose escalation trial 59 Phase 2a trial 59 Phase 2b clinical 59 postmenopausal women 58 Phase IIa trial 58 observational studies 58 Phase 2a clinical 58 Phase IIb 57 clinical trials 57 Phase III clinical 57 longitudinal studies 56 randomized Phase 56 Phase Ib 56 Phase 1b clinical 56 Phase III trials 55 Phase III pivotal 55 Myocardial Infarction 55 pivotal Phase III 55 Cooperative Oncology 55 phase 2a 55 RCTs 54 Phase IIb clinical 54 Phase III 54 Health Initiative WHI 54 label dose escalation 54 Lancet Oncology 54 Phase IIa clinical 54 epidemiologic studies 54 journal Neurology 54 Phase 2b 54 invasive bladder 54 rosuvastatin 54 composite endpoint 53 Phase IIa 53 RG# [001] 53 single ascending dose 53 Phase III clinical trials 53 metastatic renal cell carcinoma 53 HCV infected 53 chemoradiation 53 Phase 1b 53 meta analyzes 53 Clinical trials 53 acute ischemic stroke 53 Lancet Neurology 53 CYPHER ® Stent 52 Torisel 52 dose escalation 52 DSMB 52 adjuvant chemotherapy 52 biologic therapy 52 Randomized 52 League Against Rheumatism 52 FDG PET 52 pharmacodynamics 52 kidney transplant recipients 52 CYPHER R Stent 51 adjuvant therapy 51 ASCO Annual Meeting 51 Longitudinal Study 51 Phase 2a 51 gene expression profiles 51 COPAXONE R 51 hepatocellular carcinoma 51 investigational drug 51 General Psychiatry 51 vitro studies 51 epidemiological studies 51 cohort 51 relapsing remitting multiple sclerosis