Related by context. Frequent words. (Click for all words.) 58 placebo controlled clinical 57 virologic failure 56 tamoxifen therapy 56 virologic response 55 retrospective cohort study 55 COPAXONE R 55 Phase 2a trial 55 longitudinal study 54 tenofovir gel 54 Phase 1b trial 54 prospective observational 54 NSABP 54 substudy 54 HAART 54 hepatitis C HCV 54 Longitudinal Study 54 Cohort Study 53 HCV infected 53 placebo controlled trials 53 SWOG 52 vicriviroc 52 antiretroviral therapy ART 52 randomized controlled clinical trials 52 antidepressant therapy 52 National Surgical Adjuvant 52 HBV infection 52 viral suppression 52 double blinded placebo 51 CAPRISA 51 randomized Phase III 51 mcg dose 51 ClinicalTrials.gov 51 warfarin therapy 51 antiviral therapy 51 multicenter study 51 randomized controlled clinical 51 prospective cohort 51 recurrent ovarian cancer 51 pre exposure prophylaxis 51 adalimumab 51 sustained virologic response 51 NHANES 51 CMV infection 51 decitabine 50 Atherosclerosis Risk 50 dose escalation trial 50 CMV disease 50 Median survival 50 Phase Ia 50 lupus nephritis 50 longitudinal studies 50 AREDS 50 Phase 2a clinical 50 ROTATEQ 50 Torisel 50 Phase IIa trial 50 RECIST criteria 50 LY# [003] 50 phase IIa 50 antiretroviral therapy 50 placebo controlled studies 50 Phase 2b study 50 CATIE 50 mg kg dose 50 chronic HCV infection 49 undetectable viral load 49 anastrozole 49 ISENTRESS 49 BRCA2 mutations 49 tolerated dose MTD 49 abiraterone 49 Professionals Follow 49 randomized controlled trial 49 lipid lowering drugs 49 randomized clinical 49 HCV genotype 1 49 observational study 49 virologic 49 darunavir 49 ARV therapy 49 Rosuvastatin 49 pharmacokinetic studies 49 premenopausal 49 multicentre 49 castration resistant prostate cancer 49 neoadjuvant 49 tipranavir 49 Phase 1b clinical 49 RTOG 49 HCV infection 49 CD4 + cell 49 DSMB 48 blinded placebo controlled 48 subgroup analyzes 48 folate intake 48 events SAEs 48 seropositive 48 Health Initiative WHI 48 Mylotarg 48 Phase Ib 48 premenopausal women