Levetiracetam (Page 4 of 11)

Pediatric Patients 4 Years to < 16 Years

The adverse reaction data presented below was obtained from a pooled analysis of two controlled pediatric clinical studies using an oral formulation in pediatric patients 4 to 16 years of age with partial onset seizures. The most common adverse reactions in pediatric patients receiving levetiracetam in combination with other AEDs, for events with rates greater than placebo, were fatigue, aggression, nasal congestion, decreased appetite, and irritability.
Table 5 lists adverse reactions from the pooled pediatric controlled studies (4 to 16 years of age) that occurred in at least 2% of pediatric levetiracetam-treated patients and were numerically more common than in pediatric patients treated with placebo. In these studies, either levetiracetam or placebo was added to concurrent AED therapy.

Table 5: Adverse Reactions* in Pooled Placebo-Controlled, Adjuntive Studies in Pediatric Patients Ages 4 to 16 Years Experiencing Partial-Onset Seizures

Levetiracetam (N=165) % Placebo (N=131) %
Headache 19 15
Nasopharyngitis 15 12
Vomiting 15 12
Somnolence 13 9
Fatigue 11 5
Aggression 10 5
Abdominal Pain Upper 9 8
Cough 9 5
Nasal Congestion 9 2
Decreased Appetite 8 2
Abnormal Behavior 7 4
Dizziness 7 5
Irritability 7 1
Pharyngolaryngeal Pain 7 4
Diarrhea 6 2
Lethargy 6 5
Insomnia 5 3
Agitation 4 1
Anorexia 4 3
Head Injury 4 0
Constipation 3 1
Contusion 3 1
Depression 3 1
Fall 3 2
Influenza 3 1
Mood Altered 3 1
Affect Lability 2 1
Anxiety 2 1
Arthralgia 2 0
Confusional State 2 0
Conjunctivitis 2 0
Ear Pain 2 1
Gastroenteritis 2 0
Joint Sprain 2 1
Mood Swings 2 1
Neck Pain 2 1
Rhinitis 2 0
Sedation 2 1

* Adverse reactions occurred in at least 2% of pediatric levetiracetam-treated patients and occurred more frequently than placebo-treated patients

In the controlled pooled pediatric clinical studies in patients 4-16 years of age, 7% of patients receiving levetiracetam and 9% receiving placebo discontinued as a result of an adverse reaction.

Pediatric Patients 1 Month to < 4 Years

In the 7-day controlled pediatric clinical study using an oral formulation of levetiracetam in children 1 month to less than 4 years of age with partial onset seizures, the most common adverse reactions in patients receiving levetiracetam in combination with other AEDs, for events with rates greater than placebo, were somnolence and irritability. Because of the shorter exposure period, incidences of adverse reactions are expected to be lower than in other pediatric studies in older patients.
Therefore, other controlled pediatric data, presented above, should also be considered to apply to this age group.
Table 6 lists adverse reactions that occurred in at least 5% of pediatric epilepsy patients (ages 1 month to < 4 years) treated with levetiracetam in the placebo-controlled study and were numerically more common than in patients treated with placebo. In this study, either levetiracetam or placebo was added to concurrent AED therapy.

Table 6: Adverse Reactions* in a Placebo-Controlled, Adjunctive Study in Pediatric Patients Ages 1 Month to < 4 Years Experiencing Partial Onset Seizures

Levetiracetam (N=60) % Pacebo (N=56) %
Somnolence 13 2
Irritability 12 0

* Adverse reactions occurred in at least 5% of pediatric levetiracetam-treated patients and occurred more frequently than placebo-treated patients

In the 7-day controlled pediatric clinical study in patients 1 month to < 4 years of age, 3% of patients receiving levetiracetam and 2% receiving placebo either discontinued or had a dose reduction as a result of an adverse reaction. There was no adverse reaction that resulted in discontinuation for more than one patient.

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