Related by context. Frequent words. (Click for all words.) 62 placebo controlled clinical 61 Phase 1b trial 60 substudy 60 Phase 2a trial 60 double blinded placebo 60 placebo controlled studies 59 randomized controlled clinical trials 59 randomized clinical 57 multicenter clinical 57 blinded placebo controlled 57 prospective observational 56 randomized controlled clinical 56 J Am Coll 56 6R BH4 56 subgroup analyzes 56 placebo controlled randomized 56 Phase 1b clinical 55 active comparator 55 placebo controlled trials 55 randomized placebo controlled 55 observational studies 55 SAMe 55 confirmatory Phase III 55 phase IIa 55 phase IIb 55 tanespimycin 54 mg calcium 54 randomized clinical trials 54 multicenter randomized 54 randomized controlled 54 randomized Phase III 54 glatiramer acetate 54 Phase 2b study 54 placebo controlled 54 Phase IIb clinical 54 randomized controlled trials 54 dose escalation trial 54 double blind placebo 54 Phase 2a clinical 54 Phase Ia 54 meta analyzes 54 Arch Intern Med 54 vitamin D supplementation 54 multicenter randomized double 54 multicenter 53 #:#-# [031] 53 montelukast 53 calcium supplementation 53 #:#-# [023] 53 phase 2a 53 Phenoptin 53 ezetimibe 53 mg d 53 lamotrigine 53 randomized controlled trial 53 muraglitazar 53 Phase III randomized 53 Phase 2b trial 53 prospective randomized controlled 53 multicentre 53 lacosamide 53 SCH # 53 Phase Ib 53 epidemiologic studies 53 JANUVIA 52 ISIS # 52 nab paclitaxel 52 randomized trials 52 Asentar 52 adalimumab 52 pazopanib 52 registrational 52 Pivotal Phase III 52 RCTs 52 Rosuvastatin 52 rHuPH# 52 axitinib 52 #:#-# [029] 52 FOSRENOL R 52 dose regimens 52 vicriviroc 52 blind randomized controlled 52 CATIE 52 soy isoflavones 52 multiple ascending dose 52 NCT# 52 folic acid supplementation 52 Cardiol 52 Phase 2b clinical 52 peginterferon alfa 2b 52 J Clin Oncol 51 Phase 2a 51 Phase 1b 51 ziprasidone 51 tipranavir 51 nitazoxanide 51 N Engl J 51 donepezil 51 meta analysis 51 Phase IIa clinical 51 blind randomized placebo