Table 3:Adverse Reactions Reported in ≥5% of Patients and with a ≥2% Difference in Proportion of Patients Between the REVLIMID/dexamethasone and Placebo/dexamethasone Groups  System Organ Class/ Preferred Term Lenalidomide/Dex*
(n=353)
n (%) Placebo/Dex *
(n=350)
n (%)
Blood and lymphatic system disorders
Neutropenia % 149 (42.2) 22 (6.3)
Anemia @ 111 (31.4) 83 (23.7)
Thrombocytopenia @ 76 (21.5) 37 (10.6)
Leukopenia  28 (7.9) 4 (1.1)
Lymphopenia 19 (5.4) 5 (1.4)
General disorders and administration site conditions
Fatigue 155 (43.9)  146 (41.7) 
Pyrexia 97 (27.5) 82 (23.4)
Peripheral edema 93 (26.3) 74 (21.1)
Chest Pain 29 ( 8.2) 20 (5.7)
Lethargy 24 ( 6.8) 8 (2.3)
Gastrointestinal disorders
Constipation 143 (40.5) 74 (21.1)
Diarrhea@ 136 (38.5) 96 (27.4)
Nausea @ 92 (26.1) 75 (21.4)
Vomiting @ 43 (12.2) 33 (9.4)
Abdominal Pain @ 35 (9.9) 22 (6.3)
Dry Mouth 25 (7.1) 13 (3.7)
Musculoskeletal and connective tissue disorders
Muscle cramp 118 (33.4) 74 (21.1)
Back pain 91 (25.8) 65 (18.6)
Bone Pain 48 (13.6) 39 (11.1)
Pain in Limb 42 (11.9) 32 (9.1)
Nervous system disorders
Dizziness 82 (23.2) 59 (16.9)
Tremor 75 (21.2) 26 (7.4)
Dysgeusia 54 (15.3) 34 (9.7)
Hypoaesthesia 36 (10.2) 25 (7.1)
Neuropathy a 23 (6.5) 13 (3.7)
Respiratory, Thoracic and Mediastinal Disorders
Dyspnea 83 (23.5) 60 (17.1)
Nasopharyngitis 62 (17.6) 31 (8.9)
Pharyngitis 48 (13.6) 33 (9.4)
Bronchitis  40 (11.3) 30 (8.6)
Infectionsb and infestations
Upper respiratory tract infection  87 (24.6) 55 (15.7)
Pneumonia @ 48 (13.6) 29 (8.3)
Urinary Tract Infection 30 (8.5) 19 (5.4)
Sinusitis  26 (7.4) 16 (4.6)
Skin and subcutaneous system disorders 
Rash c 75 (21.2) 33 (9.4)
Sweating Increased 35 (9.9) 25 (7.1)
Dry Skin 33 (9.3) 14 (4.0)
Pruritus 27 (7.6) 18 (5.1)
Metabolism and nutrition disorders
Anorexia 55 (15.6) 34 (9.7)
Hypokalemia 48 (13.6) 21 (6.0)
Hypocalcemia 31 (8.8) 10 (2.9)
Appetite Decreased  24 (6.8) 14 (4.0)
Dehydration 23 (6.5) 15 (4.3)
Hypomagnesaemia 24 (6.8) 10 (2.9)
Investigations
Weight Decreased 69 (19.5) 52 (14.9)
Eye disorders
Blurred vision 61 (17.3) 40 (11.4)
Vascular disorders
Deep vein thrombosis % 33 (9.3) 15 (4.3)
Hypertension  28 (7.9) 20 (5.7)
Hypotension  25 (7.1) 15 (4.3)
Table 4: Grade 3/4 Adverse Reactions Reported in ≥2% Patients and With a ≥1% Difference in Proportion of Patients Between the REVLIMID/dexamethasone and Placebo/dexamethasone groups  System Organ Class/ Preferred Term Lenalidomide/Dex#
(n=353)
n (%) Placebo/Dex#
(n=350)
n (%)
Blood and lymphatic system disorders
Neutropenia % 118 (33.4) 12 (3.4)
Thrombocytopenia @ 43 (12.2) 22 (6.3)
Anemia @ 35 (9.9) 20 (5.7)
Leukopenia  14 (4.0) 1 (0.3)
Lymphopenia 10 (2.8) 4 (1.1)
Febrile Neutropenia % 8 (2.3) 0 (0.0)
General disorders and administration site conditions
Fatigue 23 (6.5) 17 (4.9)
Vascular disorders
Deep vein thrombosis % 29 (8.2) 12 (3.4)
Infectionsb and infestations
Pneumonia @ 30 (8.5) 19 (5.4)
Urinary Tract Infection  5 (1.4) 1 (0.3)
Metabolism and nutrition disorders
Hypokalemia 17 (4.8) 5 (1.4)
Hypocalcemia 13 (3.