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adverse reactions
6 ADVERSE REACTIONS The following adverse reactions are also discussed elsewhere in the labeling: • Bleeding [see Warnings and Precautions (5.1) ] • Dyspnea [see Warnings and Precautions (5.3) ] Most common adverse reactions (>5%) are bleeding and dyspnea. ( 5.1 , 5.3 , 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Laurus Generics Inc. at 1-833-3-LAURUS (1-833-352-8787) 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. Ticagrelor has been evaluated for safety in more than 58,000 patients. Bleeding in PLATO (Reduction in risk of thrombotic events in ACS) Figure 1 is a plot of time to the first non-CABG major bleeding event. Frequency of bleeding in PLATO is summarized in Tables 1 and 2. About half of the non-CABG major bleeding events were in the first 30 days. Table 1 – Non-CABG related bleeds (PLATO) PLATO Minor bleed: requires medical intervention to stop or treat bleeding. PLATO Major bleed: any one of the following: fatal; intracranial; intrapericardial with cardiac tamponade; hypovolemic shock or severe hypotension requiring intervention; significantly disabling (e.g., intraocular with permanent vision loss); associated with a decrease in Hb of at least 3 g/dL (or a fall in hematocrit (Hct) of at least 9%); transfusion of 2 or more units. PLATO Major bleed, fatal/life-threatening: any major bleed as described above and associated with a decrease in Hb of more than 5 g/dL (or a fall in hematocrit (Hct) of at least 15%); transfusion of 4 or more units. Fatal: A bleeding event that directly led to death within 7 days. Ticagrelor* N=9,235 Clopidogrel N=9,186 n (%) patients with event n (%) patients with event PLATO Major + Minor 713 (7.7) 567 (6.2) Major 362 (3.9) 306 (3.3) Fatal/Life-threatening 171 (1.9) 151 (1.6) Fatal 15 (0.2) 16 (0.2) Intracranial hemorrhage (Fatal/Life-threatening) 26 (0.3) 15 (0.2) * 90 mg BID No baseline demographic factor altered the relative risk of bleeding with ticagrelor compared to clopidogrel. In PLATO, 1,584 patients underwent CABG surgery. The percentages of those patients who bled are shown in Figure 2 and Table 2. X-axis is days from last dose of study drug prior to CABG. The PLATO protocol recommended a procedure for withholding study drug prior to CABG or other major surgery without unblinding. If surgery was elective or non-urgent, study drug was interrupted temporarily, as follows: If local practice was to allow antiplatelet effects to dissipate before surgery, capsules (blinded clopidogrel) were withheld 5 days before surgery and tablets (blinded ticagrelor) were withheld for a minimum of 24 hours and a maximum of 72 hours before surgery. If local practice was to perform surgery without waiting for dissipation of antiplatelet effects capsules and tablets were withheld 24 hours prior to surgery and use of aprotinin or other hemostatic agents was allowed. If local practice was to use IPA monitoring to determine when surgery could be performed both the capsules and tablets were withheld at the same time and the usual monitoring procedures followed. T Ticagrelor; C Clopidogrel. Table 2 – CABG-related bleeding (PLATO) PLATO Major bleed: any one of the following: fatal; intracranial; intrapericardial with cardiac tamponade; hypovolemic shock or severe hypotension requiring intervention; significantly disabling (e.g., intraocular with permanent vision loss); associated with a decrease in Hb of at least 3 g/dL (or a fall in hematocrit (Hct) of at least 9%); transfusion of 2 or more units. PLATO Major bleed, fatal/life-threatening: any major bleed as described above and associated with a decrease in Hb of more than 5 g/dL (or a fall in hematocrit (Hct) of at least 15%); transfusion of 4 or more units. Ticagrelor* N=770 Clopidogrel N=814 n (%) patients with event n (%) patients with event PLATO Total Major 626 (81.3) 666 (81.8) Fatal/Life-threatening 337 (43.8) 350 (43.0) Fatal 6 (0.8) 7 (0.9) * 90 mg BID When antiplatelet therapy was stopped 5 days before CABG, major bleeding occurred in 75% of ticagrelor treated patients and 79% on clopidogrel. Other Adverse Reactions in PLATO Adverse reactions that occurred at a rate of 4% or more in PLATO are shown in Table 3. Table 3 – Percentage of patients reporting non-hemorrhagic adverse reactions at least 4% or more in either group and more frequently on ticagrelor (PLATO) * 90 mg BID Ticagrelor* N=9,235 Clopidogrel N=9,186 Dyspnea 13.8 7.8 Dizziness 4.5 3.9 Nausea 4.3 3.8 Bleeding in PEGASUS (Secondary Prevention in Patients with a History of Myocardial Infarction) Overall outcome of bleeding events in the PEGASUS study are shown in Table 4. Table 4 – Bleeding events (PEGASUS) TIMI Major: Fatal bleeding, OR any intracranial bleeding, OR clinically overt signs of hemorrhage associated with a drop in hemoglobin (Hgb) of ≥5 g/dL, or a fall in hematocrit (Hct) of ≥15%. Fatal: A bleeding event that directly led to death within 7 days. TIMI Minor: Clinically apparent with 3 to 5 g/dL decrease in hemoglobin. * 60 mg BID Ticagrelor* N=6,958 Placebo N=6,996 Events / 1,000 patient years Events / 1,000 patient years TIMI Major 8 3 Fatal 1 1 Intracranial hemorrhage 2 1 TIMI Major or Minor 11 5 The bleeding profile of ticagrelor 60 mg compared to aspirin alone was consistent across multiple pre-defined subgroups (e.g., by age, gender, weight, race, geographic region, concurrent conditions, concomitant therapy, stent, and medical history) for TIMI Major and TIMI Major or Minor bleeding events. Other Adverse Reactions in PEGASUS Adverse reactions that occurred in PEGASUS at rates of 3% or more are shown in Table 5. Table 5 – Non-hemorrhagic adverse reactions reported in >3.0% of patients in the ticagrelor 60 mg treatment group (PEGASUS) * 60 mg BID Ticagrelor* N=6,958 Placebo N=6,996 Dyspnea 14.2% 5.5% Dizziness 4.5% 4.1% Diarrhea 3.3% 2.5% Bleeding in THEMIS (Prevention of major CV events in patients with CAD and Type 2 Diabetes Mellitus) The Kaplan-Meier curve of time to first TIMI Major bleeding event is presented in Figure 3. The bleeding events in THEMIS are shown below in Table 6. Table 6 – Bleeding events (THEMIS) Ticagrelor N=9,562 Placebo N=9,531 Events / 1,000 patient years Events / 1,000 patient years TIMI Major 9 4 TIMI Major or Minor 12 5 TIMI Major or Minor or Requiring medical attention 46 18 Fatal bleeding 1 0 Intracranial hemorrhage 3 2 Bleeding in THALES (Reduction in risk of stroke in patients with acute ischemic stroke or TIA) The Kaplan-Meier curve of time course of GUSTO severe bleeding events is presented in Figure 4. KM%: Kaplan-Meier percentage evaluated at Day 30; T = Ticagrelor; P = placebo; N = Number of patients GUSTO Severe : Any one of the following: fatal bleeding, intracranial bleeding (excluding asymptomatic hemorrhagic transformations of ischemic brain infarctions and excluding microhemorrhages < 10 mm evident only on gradient-echo magnetic resonance imaging), bleeding that caused hemodynamic compromise requiring intervention (e.g., systolic blood pressure <90 mmg Hg that required blood or fluid replacement, or vasopressor/inotropic support, or surgical intervention). Intracranial bleeding and fatal bleeding in THALES: In total, there were 21 intracranial hemorrhages (ICHs) for ticagrelor and 6 ICHs for placebo. Fatal bleedings, almost all ICH, occurred in 11 for ticagrelor and in 2 for placebo. Bradycardia In a Holter substudy of about 3,000 patients in PLATO, more patients had ventricular pauses with ticagrelor (6.0%) than with clopidogrel (3.5%) in the acute phase; rates were 2.2% and 1.6%, respectively, after 1 month. PLATO, PEGASUS, THEMIS and THALES excluded patients at increased risk of bradycardic events (e.g., patients who have sick sinus syndrome, 2 nd or 3 rd degree AV block, or bradycardic-related syncope and not protected with a pacemaker). Lab abnormalities Serum Uric Acid: In PLATO, serum uric acid levels increased approximately 0.6 mg/dL from baseline on ticagrelor 90 mg and approximately 0.2 mg/dL on clopidogrel. The difference disappeared within 30 days of discontinuing treatment. Reports of gout did not differ between treatment groups in PLATO (0.6% in each group). In PEGASUS, serum uric acid levels increased approximately 0.2 mg/dL from baseline on ticagrelor 60 mg and no elevation was observed on aspirin alone. Gout occurred more commonly in patients on ticagrelor than in patients on aspirin alone (1.5%, 1.1%). Mean serum uric acid concentrations decreased after treatment was stopped. Serum Creatinine: In PLATO, a >50% increase in serum creatinine levels was observed in 7.4% of patients receiving ticagrelor 90 mg compared to 5.9% of patients receiving clopidogrel. The increases typically did not progress with ongoing treatment and often decreased with continued therapy. Evidence of reversibility upon discontinuation was observed even in those with the greatest on treatment increases. Treatment groups in PLATO did not differ for renal-related serious adverse events such as acute renal failure, chronic renal failure, toxic nephropathy, or oliguria. In PEGASUS, serum creatinine concentration increased by >50% in approximately 4% of patients receiving ticagrelor 60 mg, similar to aspirin alone. The frequency of renal related adverse events was similar for ticagrelor and aspirin alone regardless of age and baseline renal function. ticagrelor-figure1 figure25 ticagrelor-figure2 ticagrelor-figure25 ticagrelor-figure3 ticagrelor-figure4 6.2 Postmarketing Experience The following adverse reactions have been identified during post-approval use of ticagrelor. Because these reactions are reported voluntarily from a population of an unknown size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Blood and lymphatic system disorders: Thrombotic Thrombocytopenic Purpura (TTP) has been rarely reported with the use of ticagrelor. TTP is a serious condition which can occur after a brief exposure (<2 weeks) and requires prompt treatment. Immune system disorders: Hypersensitivity reactions including angioedema [see Contraindications (4.3) ] . Respiratory Disorders: Central sleep apnea, Cheyne-Stokes respiration Skin and subcutaneous tissue disorders: Rash