ASH Clinical News ACN_4.14_Full Issue_web | Page 37

Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Adverse Reaction Pneumonia (excluding fungal) Sleep disorders Bacteremia (excluding sepsis) Vomiting Chills Hypotension Non-conduction cardiotoxicity Dizziness Fungal infection Hypertension Hypoxia Upper respiratory infections (excluding fungal) Chest pain Pyrexia Catheter/device/ injection site reaction Delirium Pleural effusion Anxiety Pruritus Sepsis (excluding fungal) Hemorrhoids Petechiae Renal insufficiency Transfusion reactions Visual impairment (except bleeding) The safety of VYXEOS was determined in a randomized trial for adults with newly-diagnosed t-AML or AML-MRC which included 153 patients treated with VYXEOS and 151 patients treated with a standard combination of cytarabine and daunorubicin (7+3). At study entry, patients were required to have a LVEF of at least 50% and a prior lifetime cumulative anthracycline exposure less than 368 mg/m 2 daunorubicin (or equivalent). On study, the median number of cycles administered was 2 (range, 1–4 cycles) on the VYXEOS arm and 1 (range, 1–4 cycles) on the control arm. The median cumulative daunorubicin dose was 189 mg/m 2 (range, 44–337 mg/m 2 ) on the VYXEOS arm and 186 mg/m 2 (range, 44–532 mg/m 2 ) on the control arm. Nine patients each on the VYXEOS arm (6%) and the control arm (6%) had a fatal adverse reaction on treatment or within 30 days of therapy that was not in the setting of progressive disease. Fatal adverse reactions on the VYXEOS arm included infection, CNS hemorrhage, and respiratory failure. Overall, all-cause day-30 mortality was 6% in the VYXEOS arm and 11% in the control arm. During the first 60 days of the study, 14% (21/153) of patients died in the VYXEOS arm vs. 21% (32/151) of patients in the 7+3 treatment group. The most common serious adverse reactions (incidence ≥5%) on the VYXEOS arm were dyspnea, myocardial toxicity, sepsis, pneumonia, febrile neutropenia, bacteremia and hemorrhage. Adverse reactions led to discontinuation of VYXEOS in 18% (28/153) of patients, and 13% (20/151) in the control arm. The adverse reactions leading to discontinuation on the VYXEOS arm included prolonged cytopenias, infection, cardiotoxicity, respiratory failure, hemorrhage (GI and CNS), renal insufficiency, colitis, and generalized medical deterioration. The most common adverse reactions (incidence ≥25%) in patients on the VYXEOS arm were hemorrhagic events, febrile neutropenia, rash, edema, nausea, mucositis, diarrhea, constipation, musculoskeletal pain, fatigue, abdominal pain, dyspnea, headache, cough, decreased appetite, arrhythmia, pneumonia, bacteremia, chills, sleep disorders, and vomiting. The incidences of common adverse drug reactions during the induction phase in Study 1 are presented in Table 2. Table 2: Common Adverse Reactions (≥10% Incidence in the VYXEOS arm) During the Induction Phase Grades 3 to 5 a All Grades a Adverse VYXEOS 7+3 VYXEOS 7+3 Reaction N=153 N=151 N=153 N=151 n (%) n (%) n (%) n (%) Hemorrhage 107 (70) 74 (49) 15 (10) 9 (6) Febrile Neutropenia 104 (68) 103 (68) 101 (66) 102 (68) Rash 82 (54) 55 (36) 8 (5) 2 (1) Edema 78 (51) 90 (60) 2 (2) 5 (3) Nausea 72 (47) 79 (52) 1 (1) 1 (1) Diarrhea/Colitis 69 (45) 100 (66) 4 (3) 10 (7) Mucositis 67 (44) 69 (46) 2 (1) 7 (5) Constipation 61 (40) 57 (38) 0 0 Musculoskeletal pain 58 (38) 52 (34) 5 (3) 4 (3) Abdominal pain 51 (33) 45 (30) 3 (2) 3 (2) Cough 51 (33) 34 (23) 0 1 (1) Headache 51 (33) 36 (24) 2 (1) 1 (1) Dyspnea 49 (32) 51 (34) 17 (11) 15 (10) Fatigue 49 (32) 58 (38) 8 (5) 8 (5) Arrhythmia 46 (30) 41 (27) 10 (7) 7 (5) Decreased appetite 44 (29) 57 (38) 2 (1) 5 (3) All Grades a VYXEOS 7+3 N=153 N=151 n (%) n (%) Grades 3 to 5 a VYXEOS 7+3 N=153 N=151 n (%) n (%) 39 (26) 35 (23) 30 (20) 26 (17) 38 (25) 42 (28) 2 (1) 1 (1) 37 (24) 37 (25) 35 (23) 31 (21) 37 (24) 35 (23) 30 (20) 33 (22) 38 (25) 32 (21) 0 0 7 (5) 0 0 1 (1) 31 (20) 27 (18) 13 (9) 15 (10) 27 (18) 27 (18) 28 (18) 28 (18) 26 (17) 19 (13) 22 (15) 31 (21) 1 (1) 11 (7) 15 (10) 19 (12) 0 9 (6) 8 (5) 23 (15) 28 (18) 19 (13) 4 (3) 1 (1) 26 (17) 26 (17) 22 (15) 23 (15) 5 (3) 1 (1) 0 2 (1) 24 (16) 15 (10) 0 0 24 (16) 24 (16) 21 (14) 23 (15) 33 (22) 25 (17) 16 (11) 14 (9) 4 (3) 3 (2) 0 0 9 (6) 2 (1) 0 0 17 (11) 20 (13) n/a n/a 16 (11) 17 (11) 17 (11) 17 (11) 12 (8) 17 (11) 17 (11) 16 (11) 0 0 7 (5) 3 (2) 0 0 7 (5) 1 (1) 16 (11) 8 (5) 0 0 Adverse reactions were graded using NCI CTCAE version 3.0. a During the consolidation phase (both consolidation cycles pooled) the two most common adverse reactions on the VYXEOS arm are the same as those during induction, hemorrhagic events and febrile neutropenia. These occurred at lower rates in the pooled consolidation phase (43% and 29%, respectively), compared to the induction phase. All of the common adverse reactions (≥10% incidence in the VYXEOS arm) seen in the pooled consolidation phase were also seen in the induction phase. These occurred at lower incidence in the consolidation phase, with the exception of chills, dizziness and pyrexia, where the incidences were relatively similar across the induction and consolidation cycles. Other notable adverse drug reactions that occurred in less than 10% of patients treated with VYXEOS during induction or consolidation included: • Ear and labyrinth disorders: Deafness, Deafness unilateral • Eye Disorders: Eye conjunctivitis, Dry eye, Eye edema, Eye swelling, Eye irritation, Eye pain, Ocular discomfort, Ocular hyperemia, Periorbital edema, Scleral hyperemia • Gastrointestinal disorders: Dyspepsia • Psychiatric disorders: Hallucinations • Respiratory, thoracic and mediastinal disorders: Pneumonitis