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adverse reactions
6 ADVERSE REACTIONS The following serious adverse reactions are discussed in greater detail in other sections of the label: Cytokine Release Syndrome [ see Boxed Warning , Warnings and Precautions (5.1) ] Skin Reactions [ see Warnings and Precautions (5.2) ] Elevated Liver Enzymes [ see Warnings and Precautions (5.3) ] The most common adverse reactions (occurring in ≥ 30%) are cytokine release syndrome, rash, pyrexia, pruritus, fatigue, nausea, chills, abdominal pain, edema, hypotension, dry skin, headache and vomiting ( 6.1 ). The most common laboratory abnormalities (occurring in ≥50%) are decreased lymphocyte count, increased creatinine, increased glucose, increased aspartate aminotransferase, increased alanine aminotransferase, decreased hemoglobin, and decreased phosphate ( 6.1 ). To report SUSPECTED ADVERSE REACTIONS, contact Immunocore at 1-844-IMMUNO1 (1-844-466-8661) or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . 6.1 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. First line metastatic uveal melanoma The safety of KIMMTRAK was evaluated in study IMCgp100-202, a randomized (2:1), open-label, active-controlled trial in patients who had not received prior systemic therapy for metastatic or advanced uveal melanoma [see Clinical Studies (14) ] . Patients received either KIMMTRAK administered at 20 mcg intravenously on Day 1, 30 mcg intravenously on Day 8, 68 mcg intravenously on Day 15, and 68 mcg intravenously once every week thereafter (N=245) or investigator’s choice treatment (N=111). The median duration of exposure was 5.3 months (range: 0.3 to 33 months) in patients treated with KIMMTRAK. Serious adverse reactions occurred in 28% of patients who received KIMMTRAK. Serious adverse reactions occurring in ≥ 2% of patients were cytokine release syndrome (10%), rashes (4.5%), pyrexia (2.4%), and hypotension (2%). One patient (0.4%) experienced a fatal adverse reaction (pulmonary embolism). Adverse reactions led to permanent discontinuation in 3.3% of patients who received KIMMTRAK. Adverse reactions that led to permanent discontinuation of KIMMTRAK were anaphylactic reaction, brain edema, cytokine release syndrome, fatigue, hepatotoxicity, hypotension, and nausea (each 0.4%). Adverse reactions resulting in dosage interruption occurred in 25% of patients who received KIMMTRAK. Adverse reactions which required dosage interruption in ≥ 2% of patients included fatigue (3.7%), lipase increased (2.9%), pyrexia (2.4%), alanine aminotransferase increase (2%), and aspartate aminotransferase increase (2%). Adverse reactions leading to dose reduction occurred in 5% of patients who received KIMMTRAK. Adverse reactions which required dosage reduction in ≥ 2% of patients were cytokine release syndrome (2.4%), and rashes (2%). The most common adverse reactions (≥30%) in patients who received KIMMTRAK were cytokine release syndrome, rash, pyrexia, pruritus, fatigue, nausea, chills, abdominal pain, edema, hypotension, dry skin, headache, and vomiting. The most common (≥50%) laboratory abnormalities in patient who received KIMMTRAK were decreased lymphocyte count, increased creatinine, increased glucose, increased AST, increased ALT, decreased hemoglobin, and decreased phosphate. Table 4 summarizes the adverse reactions observed in study IMCgp100-202. Table 4: Adverse Reactions (≥20%) in Patients with Metastatic Uveal Melanoma Who Received KIMMTRAK in Study IMCgp100-202 a Represents algorithmic identification of CRS cases based on ASTCT grading criteria (Lee et al. 2019). b Represents a composite of multiple related terms. Adverse Reactions KIMMTRAK (N=245) Investigator’s Choice (pembrolizumab, or ipilimumab, or dacarbazine) (N=111) All Grades (%) Grade 3 or 4 (%) All Grades (%) Grade 3 or 4 (% ) Immune system disorders Cytokine release syndrome a 89 0.8 2.7 0 Skin and subcutaneous tissue disorders Rash b 83 18 28 0 Pruritus 69 4.5 23 0 Dry skin 31 0 3.6 0 Skin Hypopigmentation b 28 NA 5 NA Erythema 24 0 0.9 0 Hair color changes b 20 NA 0 NA General disorders and administration site conditions Pyrexia 76 3.7 7 0.9 Fatigue b 64 6 42 0.9 Chills 48 0.4 3.6 0 Edema b 45 0 10 0 Gastrointestinal disorders Nausea 49 2 26 0.9 Abdominal pain b 45 2.9 33 3.6 Vomiting 30 1.2 9 0 Diarrhea 25 1.2 20 2.7 Vascular disorders Hypotension 39 3.3 2.7 0 Nervous system disorders Headache 31 0.4 10 0.9 Musculoskeletal and connective tissue disorders Arthralgia 22 0.8 16 0 Clinically relevant adverse reactions occurring in < 20% of patients who received KIMMTRAK included back pain, decreased appetite, constipation, hypertension, tachycardia or sinus tachycardia, dyspnea, paresthesia, dizziness, flushing, muscle spasms, myalgia, pain in extremity, alopecia, skin hyperpigmentation, influenza-like illness, oropharyngeal pain and night sweats. Table 5 summarizes the selected laboratory abnormalities observed in study IMCgp100-202. Table 5: Selected Laboratory Abnormalities (≥ 10%) worsening from baseline in patients who received KIMMTRAK versus Investigator’s Choice Alk Phos = Alkaline Phosphatase; AST=aspartate aminotransferase; ALT=alanine aminotransferase a The denominator used to calculate the rate varied from 242 to 245 for KIMMTRAK and 105 to 109 for IC based on the number of patients with a baseline value and at least one post-treatment value for the laboratory assessment. KIMMTRAK a (N=245) Investigator’s Choice a (pembrolizumab, or ipilimumab, or dacarbazine) (N=111) Grades 1-4 (%) Grades 3-4 (%) Grades 1-4 (%) Grades 3-4 (% ) HEMATOLOGY Lymphocyte count decreased 91 56 26 1.8 Hemoglobin decreased 51 0.8 20 0.9 Platelet count decreased 16 0 15 0.9 Neutrophil count decreased 14 2 8 1.8 CHEMISTRY Creatinine increased 87 0.4 73 0 Glucose increased 66 3.3 39 4.6 AST increased 55 13 39 1.9 ALT increased 52 9 29 1.8 Phosphate decreased 51 11 20 2 Albumin decreased 47 2.1 14 0.9 Calcium decreased 45 1.6 15 1.9 Lipase increased 37 15 28 6 Magnesium decreased 34 0 8 0 Alk phos increased 34 2.9 36 1.8 Sodium decreased 30 2.9 15 0.9 Potassium increased 29 1.6 15 0.9 Bilirubin increased 27 4.1 14 7 Amylase increased 23 4.1 18 1 Glucose decreased 18 0.4 4.6 0 Potassium decreased 17 0.8 8 0.9 Calcium increased 13 0 3.7 0