Data from FDA (Food and Drug Administration, USA) - Curated by EPG Health - Last updated 31 December 2017

Indication(s)

1 INDICATIONS AND USAGE Calcitonin Salmon (synthetic origin) Nasal Spray is a calcitonin, indicated for the treatment of postmenopausal osteoporosis in women greater than 5 years postmenopause when alternative treatments are not suitable. Fracture reduction efficacy has not been demonstrated (1.1) Limitations of Use: Due to the possible association between malignancy and calcitonin salmon use, the need for continued therapy should be re-evaluated on a periodic basis (1.2, 5.4) Calcitonin salmon nasal spray has not been shown to increase bone mineral density in early postmenopausal women (1.2) 1.1 Treatment of Postmenopausal Osteoporosis Calcitonin Salmon (synthetic origin) Nasal Spray is indicated for the treatment of postmenopausal osteoporosis in women greater than 5 years postmenopause. Fracture reduction efficacy has not been demonstrated. Calcitonin Salmon (synthetic origin) Nasal Spray should be reserved for patients for whom alternative treatments are not suitable (e.g., patients for whom other therapies are contraindicated or for patients who are intolerant or unwilling to use other therapies). 1.2 Important Limitations of Use Due to the possible association between malignancy and calcitonin salmon use, the need for continued therapy should be re-evaluated on a periodic basis [see Warnings and Precautions (5.4)]. Calcitonin Salmon (synthetic origin) Nasal Spray has not been shown to increase spinal bone mineral density in early postmenopausal women.

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Advisory information

contraindications
4 CONTRAINDICATIONS Hypersensitivity to calcitonin salmon or any of the excipients. Reactions have included anaphylactic shock, anaphylaxis, bronchospasm, and swelling of the tongue or throat [see Warnings and Precautions (5.1)]. Hypersensitivity to calcitonin salmon or any of the excipients (4)
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 nasal spray, the most commonly reported nasal adverse reactions included rhinitis (12%), epistaxis (4%), and sinusitis (2%). Smoking did not have a contributory effect on the occurrence of nasal adverse reactions. Adverse reactions reported in 1% to 3% of patients treated with calcitonin salmon nasal spray include: influenza-like symptoms, erythematous rash, arthrosis, myalgia, sinusitis, upper respiratory tract infection, bronchospasm, abdominal pain, nausea, dizziness, paresthesia, abnormal lacrimation, conjunctivitis, lymphadenopathy, infection, and depression. Malignancy A meta-analysis of 21 randomized, controlled clinical trials with calcitonin salmon (nasal spray or investigational oral formulations) was conducted to assess the risk of malignancies in calcitonin salmon-treated patients compared to placebo-treated patients. The trials in the meta-analysis ranged in duration from 6 months to 5 years and included a total of 10883 patients (6151 treated with calcitonin salmon and 4732 treated with placebo). The overall incidence of malignancies reported in these 21 trials was higher among calcitonin salmon-treated patients (254/6151 or 4.1%) compared with placebo-treated patients (137/4732 or 2.9%). Findings were similar when analyses were restricted to the 18 nasal spray only trials [calcitonin salmon 122/2712 (4.5%); placebo 30/1309 (2.3%)]. The meta-analysis results suggest an increased risk of overall malignancies in calcitonin salmon-treated patients compared to placebo-treated patients when all 21 trials are included and when the analysis is restricted to the 18 nasal spray only trials (see Table 2). It is not possible to exclude an increased risk when calcitonin salmon is administered by the subcutaneous, intramuscular, or intravenous route because these routes of administration were not investigated in the meta-analysis. The increased malignancy risk seen with the meta-analysis was heavily influenced by a single large 5-year trial, which had an observed risk difference of 3.4% [95% CI (0.4%, 6.5%)]. Imbalances in risks were still observed when analyses excluded basal cell carcinoma (see Table 2); the data were not sufficient for further analyses by type of malignancy. A mechanism for these observations has not been identified. Although a definitive causal relationship between calcitonin salmon use and malignancies cannot be established from this meta-analysis, the benefits for the individual patient should be carefully evaluated against all possible risks [see Warnings and Precautions (5.4)]. Table 2: Risk Difference for Malignancies in Calcitonin Salmon-Treated Patients Compared with Placebo-Treated Patients 1 The overall adjusted risk difference is the difference between the percentage of patients who had any malignancy (or malignancy excluding basal cell carcinoma) in calcitonin salmon and placebo treatment groups, using the Mantel-Haenszel (MH) fixed-effect method. A risk difference of 0 is suggestive of no difference in malignancy risks between the treatment groups. 2 The corresponding 95% confidence interval for the overall adjusted risk difference also based on MH fixed-effect method. Patients Malignancies Risk Difference1 (%) 95% Confidence Interval2 (%) All (nasal spray + oral) All 1.0 (0.3, 1.6) All (nasal spray + oral) Excluding basal cell carcinoma 0.5 (-0.1, 1.2) All (nasal spray only) All 1.4 (0.3, 2.6) All (nasal spray only) Excluding basal cell carcinoma 0.8 (-0.2, 1.8) 6.2 Postmarketing Experience Because postmarketing adverse reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. The following adverse reactions have been reported during post-approval use of calcitonin salmon nasal spray. Allergic / Hypersensitivity Reactions Serious allergic reactions have been reported in patients receiving calcitonin salmon nasal spray, including anaphylaxis and anaphylactic shock. Hypocalcemia Hypocalcemia with paresthesia has been reported. Body as a whole facial or peripheral edema Cardiovascular hypertension, vasodilatation, syncope, chest pain Nervous system dizziness, seizure, visual or hearing impairment, tinnitus Respiratory/Special Senses cough, bronchospasm, dyspnea, loss of taste/smell Skin rash/dermatitis, pruritus, alopecia, increased sweating Gastrointestinal diarrhea Nervous system disorders tremor 6.3 Immunogenicity Consistent with the potentially immunogenic properties of medicinal products containing peptides, administration of calcitonin salmon nasal spray may trigger the development of anti-calcitonin antibodies. In a two-year calcitonin salmon nasal spray clinical study that evaluated immunogenicity, a measurable antibody titer was found in 69% of patients treated with calcitonin salmon nasal spray and 3% of placebo-treated patients. Antibody formation may be associated with a loss of response to treatment [see Warnings and Precautions (5.5)]. The incidence of antibody formation is highly dependent on the sensitivity and specificity of the assay. Additionally, the observed incidence of a positive antibody test result may be influenced by several factors, including assay methodology, sample handling, timing of sample collection, concomitant medications, and underlying disease. For these reasons, comparison of antibodies to calcitonin salmon nasal spray with the incidence of antibodies to other calcitonin-containing products may be misleading.

Usage information

Dosing and administration
2 DOSAGE AND ADMINISTRATION For intranasal use only: one spray (200 USP Calcitonin Salmon Units) per day, alternating nostrils daily (2.1) Prior to first use, allow the bottle to reach room temperature and prime the pump (2.2) Ensure adequate calcium and vitamin D intake (2.3) 2.1 Basic Dosing Information The recommended dose of calcitonin salmon nasal spray is 1 spray (200 USP Calcitonin Salmon Units) per day administered intranasally, alternating nostrils daily. 2.2 Priming (Activation) of Pump Unopened calcitonin salmon nasal spray should be stored in the refrigerator. Before using the first dose of calcitonin salmon nasal spray, the patient should wait until it has reached room temperature. To prime the pump before it is used for the first time, the bottle should be held upright and the two white side arms of the pump depressed toward the bottle, repeat until a full spray is released. The pump is primed once the first full spray is emitted. To administer, the nozzle should first be carefully placed into the nostril while the patient’s head is in the upright position, then the pump should be firmly depressed toward the bottle. The pump should not be primed before each daily dose. 2.3 Recommendations for Calcium and Vitamin D Supplementation Patients who use calcitonin salmon nasal spray should receive adequate calcium (at least 1000 mg elemental calcium per day) and vitamin D (at least 400 International Units per day).
Use in special populations
8 USE IN SPECIFIC POPULATIONS There are no data to support use in children (8.4) Nasal reactions are more common in elderly patients (8.5) 8.1 Pregnancy Risk Summary Calcitonin salmon nasal spray is not indicated for use in females of reproductive potential. There are no data with the use of calcitonin salmon nasal spray in pregnant women. In an animal reproduction study, subcutaneous administration of calcitonin-salmon to pregnant rabbits during organogenesis at 418 times the recommended parenteral human dose caused a decrease in fetal birth weights. No adverse developmental outcome was observed in the rat with subcutaneous administration of calcitonin-salmon at 9 times the recommended human parenteral dose based on body surface area (see Data). Data Animal Data Calcitonin salmon has been shown to cause a decrease in fetal birth weights in rabbits when given by subcutaneous injection in doses 4 to 18 times the parenteral dose (of 54 International Units/m2) and 70 to 278 times the intranasal dose recommended for human use based on body surface area. No embryo/fetal toxicities related to calcitonin salmon nasal spray were reported from maternal subcutaneous daily doses in rats up to 80 International Units/kg/day from gestation day 6 to 15. 8.2 Lactation Risk Summary Calcitonin salmon nasal spray is not indicated for use in females of reproductive potential. There is no information on the presence of calcitonin-salmon in human milk, the effects on the breastfed child, or the effects on milk production. Calcitonin has been shown to inhibit lactation in rats. 8.4 Pediatric Use Safety and effectiveness in pediatric patients have not been established. 8.5 Geriatric Use In a multi-centered, double-blind, randomized clinical study of calcitonin salmon nasal spray, 279 patients were less than 65 years old, while 467 patients were 65 to 74 years old and 196 patients were 75 years old and older. Compared to subjects less than 65 years old, the incidence of nasal adverse reactions (rhinitis, irritation, erythema, and excoriation) was higher in patients over the age of 65, particularly among those over the age of 75. Other reported clinical experience has not identified differences in responses between the elderly and younger patients, but greater sensitivity of some older individuals cannot be ruled out.

Interactions

7 DRUG INTERACTIONS No formal drug interaction studies have been performed with calcitonin salmon nasal spray. Concomitant use of calcitonin salmon and lithium may lead to a reduction in plasma lithium concentrations due to increased urinary clearance of lithium. The dose of lithium may require adjustment. Concomitant use of calcitonin salmon and lithium may lead to a reduction in plasma lithium concentrations due to increased urinary clearance of lithium. The dose of lithium may require adjustment (7)

More information

Category Value
Authorisation number ANDA076396
Agency product number 7SFC6U2VI5
Orphan designation No
Product NDC 60505-0823
Date Last Revised 21-11-2017
Type HUMAN PRESCRIPTION DRUG
RXCUI 313919
Marketing authorisation holder Apotex Corp.