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Alsuma

"Nov. 13, 2012 -- Women who get migraines are more likely than those who don't to develop small areas of tissue changes in their brains, a new study shows. At the same time, these changes do not seem to affect the women's thinking or memory.

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Alsuma

Side Effects
Interactions

SIDE EFFECTS

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

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] following either a single 6-mg dose of sumatriptan injection or placebo. Only reactions that occurred at a frequency of 2% or more in groups treated with sumatriptan injection 6 mg and that occurred at a frequency greater than the placebo group are included in Table 1.

Table 1: Adverse Reactions Reported by at Least 2% of Subjects and at a Greater Frequency Than Placebo in 2 Placebo-Controlled Migraine Clinical Trials (Studies 2 and 3)a

Adverse Reaction Percent of Subjects Reporting
Sumatriptan 6 mg Subcutaneous
(n = 547)
Placebo
(n = 370)
Atypical sensations 42 9
  Tingling 14 3
  Warm/hot sensation 11 4
  Burning sensation 7 < 1
  Feeling of heaviness 7 1
  Pressure sensation 7 2
  Feeling of tightness 5 < 1
  Numbness 5 2
  Feeling strange 2 < 1
  Tight feeling in head 2 < 1
Cardiovascular
  Flushing 7 2
  Chest Discomfort 5 1
  Tightness in chest 3 < 1
  Pressure in chest 2 < 1
Ear, nose and throat
  Throat discomfort 3 < 1
  Discomfort: nasal cavity/sinuses 2 < 1
  Injection site reactionb 59 24
  Miscellaneous Jaw discomfort 2 0
Musculoskeletal
  Weakness 5 < 1
  Neck pain/stiffness 5 < 1
  Myalgia 2 < 1
Neurological
  Dizziness/vertigo 12 4
  Drowsiness/sedation 3 2
  Headache 2 < 1
Skin
  Sweating 2 1
a The sum of the percentages cited is greater than 100% because subjects may have experienced more than 1 type of adverse reaction. Only reactions that occurred at a frequency of 2% or more in groups treated with sumatriptan injection and occurred at a frequency greater than the placebo groups are included.
b Includes injection site pain, stinging/burning, swelling, erythema, bruising, bleeding.

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 sumatriptan injection as a treatment for cluster headache [Studies 4 and 5, see Clinical Studies], no new significant adverse reactions were detected that had not already been identified in trials of sumatriptan 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% sumatriptan, 0% placebo), nausea and vomiting (4% sumatriptan, 0% placebo), and bronchospasm (1% sumatriptan, 0% placebo).

Adverse Reactions Observed In Association With The Administration of ALSUMA

The safety of ALSUMA was evaluated in an open-label clinical trial evaluating the usability of ALSUMA during a migraine attack. Adverse reactions that occurred at a frequency of 5% or higher were injection site bruising (16%), injection site pain (6%), and injection site hemorrhage (6%).

Read the Alsuma (sumatriptan injection) Side Effects Center for a complete guide to possible side effects

DRUG INTERACTIONS

Ergot-Containing Drugs

Ergot-containing drugs have been reported to cause prolonged vasospastic reactions. Because these effects may be additive, use of ergotamine-containing or ergot-type medications (like dihydroergotamine or methysergide) and ALSUMA within 24 hours of each other is contraindicated.

Monoamine Oxidase-A Inhibitors

MAO-A inhibitors increase systemic exposure by 2-fold. Therefore, the use of ALSUMA in patients receiving MAO-A inhibitors is contraindicated [see CLINICAL PHARMACOLOGY].

Other 5-HT1 Agonists

Because their vasospastic effects may be additive, co-administration of ALSUMA and other 5-HT1 agonists (e.g., triptans) within 24 hours of each other is contraindicated.

Selective Serotonin Reuptake Inhibitors/Serotonin Norepinephrine Reuptake Inhibitors And Serotonin Syndrome

Cases of serotonin syndrome have been reported during co-administration of triptans and SSRIs, or SNRIs, SNRIs, TCAs, and MAO inhibitors [see WARNINGS AND PRECAUTIONS].

Read the Alsuma Drug Interactions Center for a complete guide to possible interactions

Last reviewed on RxList: 6/23/2014
This monograph has been modified to include the generic and brand name in many instances.

Side Effects
Interactions
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