IMITREX injection adverse reactions: Difference between revisions

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==Adverse Reactions==


The following adverse reactions are discussed in more detail in other sections of the labeling:


<ref name="dailymed.nlm.nih.gov">{{Cite web  | last =  | first =  | title = IMITREX (SUMATRIPTAN SUCCINATE) INJECTION [GLAXOSMITHKLINE LLC] | url = http://dailymed.nlm.nih.gov/dailymed/lookup.cfm?setid=fee7d073-0b99-48f2-7985-0d8cf970894b | publisher =  | date =  | accessdate = }}</ref>
* [[Myocardial ischemia]], [[myocardial infarction]], and [[Prinzmetal's angina]] [see Warnings and Precautions (5.1)]


* [[Arrhythmia]]s [see Warnings and Precautions (5.2)]


* Chest, throat, neck, and/or jaw pain/tightness/pressure [see Warnings and Precautions (5.3)]
* Cerebrovascular events [see Warnings and Precautions (5.4)]
* Other [[vasospasm]] reactions [see Warnings and Precautions (5.5)]
* Medication overuse [[headache]] [see Warnings and Precautions (5.6)]
* [[Serotonin syndrome]] [see Warnings and Precautions (5.7)]
* Increase in blood pressure [see Warnings and Precautions (5.8)]
* [[Anaphylactic]]/[[anaphylactoid reactions]] [see Warnings and Precautions (5.9)]
* [[Seizure]]s [see Warnings and Precautions (5.10)]
====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 with rates in the clinical trials of another drug and may not reflect the rates observed in practice.
<u>'''Migraine Headache'''</u>: Table 1 lists adverse reactions that occurred in 2 US placebo-controlled clinical trials in migraine subjects [Studies 2 and 3, see Clinical Studies (14.1)] following either a single 6-mg dose of IMITREX Injection or placebo. Only reactions that occurred at a frequency of 2% or more in groups treated with IMITREX Injection 6 mg and that occurred at a frequency greater than the placebo group are included in Table 1.
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The incidence of adverse reactions in controlled clinical trials was not affected by gender or age of the subjects. There were insufficient data to assess the impact of race on the incidence of adverse reactions.
<u>'''Cluster Headache'''</u>: In the controlled clinical trials assessing the efficacy of IMITREX Injection as a treatment for cluster headache [Studies 4 and 5, see Clinical Studies (14.2)], no new significant adverse reactions were detected that had not already been identified in trials of IMITREX in subjects with migraine.
Overall, the frequency of adverse reactions reported in the trials of cluster headache was generally lower than in the migraine trials. Exceptions include reports of paresthesia (5% IMITREX, 0% placebo), nausea and vomiting (4% IMITREX, 0% placebo), and bronchospasm (1% IMITREX, 0% placebo).
<u>'''Other Adverse Reactions'''</u>: In the paragraphs that follow, the frequencies of less commonly reported adverse reactions are presented. Reaction frequencies were calculated as the number of subjects reporting a reaction divided by the total number of subjects (N = 6,218) exposed to subcutaneous IMITREX Injection. All reported reactions are included except those already listed in the previous table. Reactions are further classified within body system categories and enumerated in order of decreasing frequency using the following definitions: frequent are defined as those occurring in at least 1/100 subjects, infrequent are those occurring in 1/100 to 1/1,000 subjects, and rare are those occurring in fewer than 1/1,000 subjects.
* <u>'''Cardiovascular'''</u>: Infrequent were [[hypertension]], [[hypotension]], [[bradycardia]], [[tachycardia]], [[palpitations]], and [[syncope]]. Rare was [[arrhythmia]].
* <u>'''Gastrointestinal'''</u>: Frequent was abdominal discomfort.
* <u>'''Musculoskeletal'''</u>: Frequent were [[muscle cramps]].
* <u>'''Neurological'''</u>: Frequent was [[anxiety]]. Infrequent were mental [[confusion]], [[euphoria]], [[agitation]], [[tremor]]. Rare were myoclonia, sleep disturbance, and dystonia.
* <u>'''Respiratory'''</u>: Infrequent was [[dyspnea]].
* <u>'''Skin'''</u>: Infrequent were [[erythema]], [[pruritus]], and skin [[rash]]es.
* <u>'''Miscellaneous'''</u>: Infrequent was “serotonin agonist effect”.
Adverse Events Observed With Other Formulations of IMITREX: The following adverse events occurred in clinical trials with IMITREX® Tablets and IMITREX® Nasal Spray. Because the reports include events observed in open and uncontrolled trials, the role of IMITREX in their causation cannot be reliably determined. All reported events are included except those already listed, those too general to be informative, and those not reasonably associated with the use of the drug.
* <u>'''Cardiovascular'''</u>: [[Angina]], cerebrovascular lesion, heart block, peripheral [[cyanosis]], [[phlebitis]], [[thrombosis]].
* <u>'''Gastrointestinal'''</u>: Abdominal distention and [[colitis]].
* <u>'''Neurological'''</u>: [[Convulsions]], [[hallucinations]], [[syncope]], suicide, and twitching.
* <u>'''Miscellaneous'''</u>: [[Edema]], [[hypersensitivity]], swelling of extremities, and swelling of face.
====Postmarketing Experience====
The following adverse reactions have been identified during postapproval use of IMITREX Tablets, IMITREX Nasal Spray, and IMITREX Injection. Because these 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. These reactions have been chosen for inclusion due to either their seriousness, frequency of reporting, or causal connection to IMITREX or a combination of these factors.
* <u>'''Blood'''</u>: [[Hemolytic anemia]], [[pancytopenia]], [[thrombocytopenia]].
* <u>'''Ear, Nose, and Throat'''</u>: [[Deafness]].
* <u>'''Eye'''</u>: Ischemic optic neuropathy, retinal artery occlusion, [[retinal vein thrombosis]].
* <u>'''Neurological'''</u>: Central nervous system [[vasculitis]], [[cerebrovascular accident]], [[serotonin syndrome]], [[subarachnoid hemorrhage]].
* <u>'''Non-Site Specific'''</u>: [[Angioedema]], [[cyanosis]], [[temporal arteritis]].
* <u>'''Skin'''</u>: Exacerbation of sunburn, [[hypersensitivity]] reactions ([[allergic vasculitis]], [[erythema]], [[pruritus]], [[rash]], shortness of breath, [[urticaria]]), photosensitivity. Following subcutaneous administration of IMITREX, pain, redness, stinging, induration, swelling, contusion, subcutaneous bleeding, and, on rare occasions, lipoatrophy (depression in the skin) or lipohypertrophy (enlargement or thickening of tissue) have been reported.
* <u>'''Urogenital'''</u>: [[Acute renal failure]].<ref name="dailymed.nlm.nih.gov">{{Cite web  | last =  | first =  | title = IMITREX (SUMATRIPTAN SUCCINATE) INJECTION [GLAXOSMITHKLINE LLC] | url = http://dailymed.nlm.nih.gov/dailymed/lookup.cfm?setid=fee7d073-0b99-48f2-7985-0d8cf970894b | publisher =  | date =  | accessdate = }}</ref>


==References==
==References==

Latest revision as of 22:14, 19 February 2014

Sumatriptan
IMITREX injection® FDA Package Insert
Indications and Usage
Dosage and Administration
Dosage Forms and Strengths
Contraindications
Warnings and Precautions
Adverse Reactions
Drug Interactions
Use in Specific Populations
Overdosage
Description
Clinical Pharmacology
Nonclinical Toxicology
Clinical Studies
How Supplied/Storage and Handling
Patient Counseling Information
Labels and Packages
IMITREX tablet® FDA Package Insert
Indications and Usage
Dosage and Administration
Dosage Forms and Strengths
Contraindications
Warnings and Precautions
Adverse Reactions
Drug Interactions
Use in Specific Populations
Overdosage
Description
Clinical Pharmacology
Nonclinical Toxicology
Clinical Studies
How Supplied/Storage and Handling
Patient Counseling Information
Labels and Packages
IMITREX spray® FDA Package Insert
Indications and Usage
Dosage and Administration
Dosage Forms and Strengths
Contraindications
Warnings and Precautions
Adverse Reactions
Drug Interactions
Use in Specific Populations
Overdosage
Description
Clinical Pharmacology
Nonclinical Toxicology
Clinical Studies
How Supplied/Storage and Handling
Patient Counseling Information
Labels and Packages
Clinical Trials on Sumatriptan
ClinicalTrials.gov

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sheng Shi, M.D. [2]

Adverse Reactions

The following adverse reactions are discussed in more detail in other sections of the labeling:

  • Chest, throat, neck, and/or jaw pain/tightness/pressure [see Warnings and Precautions (5.3)]
  • Cerebrovascular events [see Warnings and Precautions (5.4)]
  • Other vasospasm reactions [see Warnings and Precautions (5.5)]
  • Medication overuse headache [see Warnings and Precautions (5.6)]
  • Increase in blood pressure [see Warnings and Precautions (5.8)]
  • Seizures [see Warnings and Precautions (5.10)]

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 with rates in the clinical trials of another drug and may not reflect the rates observed in practice.

Migraine Headache: Table 1 lists adverse reactions that occurred in 2 US placebo-controlled clinical trials in migraine subjects [Studies 2 and 3, see Clinical Studies (14.1)] following either a single 6-mg dose of IMITREX Injection or placebo. Only reactions that occurred at a frequency of 2% or more in groups treated with IMITREX Injection 6 mg and that occurred at a frequency greater than the placebo group are included in Table 1.

The incidence of adverse reactions in controlled clinical trials was not affected by gender or age of the subjects. There were insufficient data to assess the impact of race on the incidence of adverse reactions.

Cluster Headache: In the controlled clinical trials assessing the efficacy of IMITREX Injection as a treatment for cluster headache [Studies 4 and 5, see Clinical Studies (14.2)], no new significant adverse reactions were detected that had not already been identified in trials of IMITREX in subjects with migraine.

Overall, the frequency of adverse reactions reported in the trials of cluster headache was generally lower than in the migraine trials. Exceptions include reports of paresthesia (5% IMITREX, 0% placebo), nausea and vomiting (4% IMITREX, 0% placebo), and bronchospasm (1% IMITREX, 0% placebo).

Other Adverse Reactions: In the paragraphs that follow, the frequencies of less commonly reported adverse reactions are presented. Reaction frequencies were calculated as the number of subjects reporting a reaction divided by the total number of subjects (N = 6,218) exposed to subcutaneous IMITREX Injection. All reported reactions are included except those already listed in the previous table. Reactions are further classified within body system categories and enumerated in order of decreasing frequency using the following definitions: frequent are defined as those occurring in at least 1/100 subjects, infrequent are those occurring in 1/100 to 1/1,000 subjects, and rare are those occurring in fewer than 1/1,000 subjects.

  • Gastrointestinal: Frequent was abdominal discomfort.
  • Respiratory: Infrequent was dyspnea.
  • Miscellaneous: Infrequent was “serotonin agonist effect”.

Adverse Events Observed With Other Formulations of IMITREX: The following adverse events occurred in clinical trials with IMITREX® Tablets and IMITREX® Nasal Spray. Because the reports include events observed in open and uncontrolled trials, the role of IMITREX in their causation cannot be reliably determined. All reported events are included except those already listed, those too general to be informative, and those not reasonably associated with the use of the drug.

  • Gastrointestinal: Abdominal distention and colitis.

Postmarketing Experience

The following adverse reactions have been identified during postapproval use of IMITREX Tablets, IMITREX Nasal Spray, and IMITREX Injection. Because these 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. These reactions have been chosen for inclusion due to either their seriousness, frequency of reporting, or causal connection to IMITREX or a combination of these factors.

  • Skin: Exacerbation of sunburn, hypersensitivity reactions (allergic vasculitis, erythema, pruritus, rash, shortness of breath, urticaria), photosensitivity. Following subcutaneous administration of IMITREX, pain, redness, stinging, induration, swelling, contusion, subcutaneous bleeding, and, on rare occasions, lipoatrophy (depression in the skin) or lipohypertrophy (enlargement or thickening of tissue) have been reported.

References

  1. "IMITREX (SUMATRIPTAN SUCCINATE) INJECTION [GLAXOSMITHKLINE LLC]".

Adapted from the FDA Package Insert.