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warnings and cautions
5 WARNINGS AND PRECAUTIONS Serious hypersensitivity reactions including anaphylactic shock have been reported. Consider skin testing prior to treatment in patients with suspected hypersensitivity to calcitonin salmon ( 5.1 ) Hypocalcemia has been reported. Ensure adequate intake of calcium and vitamin D ( 5.2 ) Nasal adverse reactions, including severe ulceration can occur. Periodic nasal examinations are recommended ( 5.3 ) Malignancy: A meta-analysis of 21 clinical trials suggests an increased risk of overall malignancies in calcitonin salmon-treated patients ( 5.4 , 6.1 ) Circulating antibodies to calcitonin salmon may develop, and may cause loss of response to treatment ( 5.5 ) 5.1 Hypersensitivity Reactions Serious hypersensitivity reactions have been reported in patients receiving calcitonin salmon nasal spray, e.g., bronchospasm, swelling of the tongue or throat, anaphylaxis and anaphylactic shock. Reports of serious hypersensitivity reactions with injectable calcitonin salmon have also been reported, including reports of death attributed to anaphylaxis. The usual provisions should be made for emergency treatment if such a reaction occurs. Hypersensitivity reactions should be differentiated from generalized flushing and hypotension [see Contraindications (4)] . For patients with suspected hypersensitivity to calcitonin salmon, skin testing should be considered prior to treatment utilizing a dilute, sterile solution of a calcitonin salmon injectable product. Healthcare providers may wish to refer patients who require skin testing to an allergist. A detailed skin testing protocol is available from the Customer Service department of Apotex Corp. (1-800-706-5575). 5.2 Hypocalcemia Hypocalcemia associated with tetany (i.e., muscle cramps, twitching) and seizure activity has been reported with calcitonin therapy. Hypocalcemia must be corrected before initiating therapy with calcitonin salmon nasal spray. Other disorders affecting mineral metabolism (such as vitamin D deficiency) should also be effectively treated. In patients with these conditions, serum calcium and symptoms of hypocalcemia should be monitored during therapy with calcitonin salmon nasal spray. Use of calcitonin salmon nasal spray is recommended in conjunction with an adequate intake of calcium and vitamin D [see Dosage and Administration (2.3)] . 5.3 Nasal Adverse Reactions Adverse react...
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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: Hypersensitivity Reactions, including anaphylaxis [see Warnings and Precautions (5.1)] Hypocalcemia [see Warnings and Precautions (5.2)] Nasal Adverse Reactions [see Warnings and Precautions (5.3)] Malignancy [see Warnings and Precautions (5.4)] Most common adverse reactions (3% or greater) are rhinitis, epistaxis and other nasal symptoms, back pain, arthralgia, and headache ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Apotex Corp. at 1-800-706-5575 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. The safety of calcitonin salmon nasal spray in the treatment of postmenopausal osteoporosis was assessed in 5 randomized, double-blind, placebo controlled trials that enrolled postmenopausal women, aged 45 to 75 years. The duration of the trials ranged from 1 to 2 years. The incidence of adverse reactions reported in studies involving postmenopausal osteoporotic patients chronically exposed to calcitonin salmon nasal spray (N=341) and to placebo nasal spray (N=131), and reported in greater than 3% of calcitonin salmon nasal spray treated patients are presented in the following table. Other than flushing, nausea, possible allergic reactions, and possible local irritative effects in the respiratory tract, a relationship to calcitonin salmon nasal spray has not been established. Table 1: Adverse Reactions Occurring in at Least 3% of Postmenopausal Patients Treated with Calcitonin Salmon Nasal Spray †Symptom of nose includes: nasal crusts, dryness, redness or erythema, nasal sores, irritation, itching, thick feeling, soreness, pallor, infection, stenosis, runny/blocked, small wound, bleeding wound, tenderness, uncomfortable feeling and sore across bridge of nose. Calcitonin Salmon Nasal Spray Placebo Nasal Spray Adverse Reaction N=341 % of Patients N=131 % of Patients Rhinitis 12 7 Symptom of Nose† 11 16 Back Pain 5 2 Arthralgia 4 5 Epistaxis 4 5 Headache 3 5 Nasal Adverse Reactions In all postmenopausal patients treated with calcitonin salmon n...
adverse reactions table
Table 1: Adverse Reactions Occurring in at Least 3% of Postmenopausal Patients Treated with Calcitonin Salmon Nasal Spray†Symptom of nose includes: nasal crusts, dryness, redness or erythema, nasal sores, irritation, itching, thick feeling, soreness, pallor, infection, stenosis, runny/blocked, small wound, bleeding wound, tenderness, uncomfortable feeling and sore across bridge of nose.Calcitonin Salmon Nasal SprayPlacebo Nasal SprayAdverse ReactionN=341 % of PatientsN=131 % of PatientsRhinitis127Symptom of Nose†1116Back Pain52Arthralgia45Epistaxis45Headache35