Once corrected for bodyweight, the established primary pharmacokinetic parameters for propranolol (such as plasma clearance) in children less than 1 year of age are
the same as those reported in the literature for adults.
The study by Filippi et al. reports an average Cmax of 71.7 ng/ml and an average tmax of 2.6 hours for neonates treated with 0.5 mg/kg 4x daily. A longer elimination half-life (an average of 14.9 hours at 0.5 mg/kg 4x daily or an average of 15.9 hours at 0.25 mg/kg 4x daily) and a lower apparent total body clearance (an average of 27.2 ml/kg/min at 0.5 mg/kg 4x daily and 31.3 ml/kg/min at 0.25 mg/kg 4x daily) are reported for neonates.
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| Hypertension |
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| Migraine prophylaxis |
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| Haemangioma: outpatient |
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| Haemangioma: clinical |
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| Tachyarrythmias; prevention cyanotic spell in Fallots tetralogy |
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| Superficial haemangiomas |
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GFR ≥10 ml/min/1.73m2: Dose adjustment not required.
GFR <10 ml/min/1.73m2: A general recommendation on dose adjustment cannot be provided.
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The complete list of all undesirable drug reactions can be found in the national Summary of Product Characteristics (SmPC) – click here
Very common (> 10%): bronchitis, sleep disorders (around 17%: insomnia, poor quality sleep and hypersomnia). Diarrhea (approx. 17%), vomiting (approx. 12%).
Common (1-10%): nightmares, agitation, irritability, drowsiness. Lowered blood pressure. Cold hands and feet. Bronchospasm, bronchiolitis. Constipation, abdominal pain. Erythema, diaper dermatitis. Decreased appetite.
Uncommon (0.1-1%): AV block, reduced heart rate. Urticaria, alopecia. Hypoglycaemia. Neutropenia.
The following were also reported: hypoglycaemic seizure. Bradycardia, hypotension, vasoconstriction, Raynaud's phenomenon. Psoriaform dermatitis. Agranulocytosis, hyperkalaemia.
Be aware of the possibility of hypoglycaemia in formerly premature infants, children younger than 3 months, long-term use of corticosteroids or during a period of reduced intake or increased energy use (illness). Recommendation: feed every 3 to 4 hours.
Patients with cardiac failure caused by high liver flow in liver haemangiomas are at risk of cardiac decompensation due to the negative chronotropic and inotropic function of propranolol.
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The complete list of all contra-indications can be found in the national Summary of Product Characteristics (SmPC) – click here
Sinus bradycardia, AV block, hypotension, asthma and congestive heart failure.
The complete list of all warnings and precautions can be found in the national Summary of Product Characteristics (SmPC) – click here
Great caution is needed in concomitant use of verapamil (Isoptin) because of the risk of severe arrhythmia. For children younger than 3 months and for children with an increased risk of developing side effects, consider setting up the medication in the clinic. Because propranolol makes children more susceptible to hypoglycaemia, it should be given with nutrition. Extra attention should also be given in case of propranolol use at a young age, a low birthweight, illness, a reduced intake of nutrition and combined use with glucocorticosteroids, because propranolol can mask the adrenergic symptoms of hypoglycaemia.
Assess the medical history and perform a general physical examination before beginning treatment. If there is a suspicion of a heart defect, exclude an underlying contra-indication.
Heart failure may be exacerbated by treatment with propranolol; refer to a cardiologist. Untreated heart failure is a contraindication to treatment with this medicine.
Children with a large facial hemangioma should be examined by a specialist doctor for PHACE syndrome prior to start of treatment; Severe cerebrovascular anomalies are more common in these children and therefore there is a greater risk of having a stroke.
Be careful in case of severe hypersensitivity reactions in the anamnesis, as propranolol may increase the severity of anaphylactoid reactions.
Postpone treatment in case of acute bronchopulmonary anomaly.
After the first intake and after each dose increase, clinically monitor the child every hour for at least 2 hours, including blood pressure and heart rate. In the event of severe and / or symptomatic bradycardia or hypotension, discontinue treatment and seek the advice of a specialist doctor.
Propranolol can mask the adrenergic symptoms of hypoglycaemia (in particular tachycardia, trembling, anxiety and hunger), while recovery of glucose levels after hypoglycaemia can be delayed. It may exacerbate hypoglycaemia in children, in particular with fasting, vomiting or (relative) overdose. In the case of clinical symptoms of hypoglycaemia, the child should drink a liquid containing sugar and temporarily stop treatment. In the case of diabetes, check blood glucose levels more frequently and, if necessary, refer them to the endocrinologist.
Hyperkalaemia has been reported in patients with a large ulcerated hemangioma.
In case of infection of the lower respiratory tract in combination with dyspnea and wheezing, interrupt treatment; treatment can be resumed when fully recovered. In the event of a recurrence or with isolated bronchospasm, discontinue treatment permanently.
In the case of general anesthesia, inform the anesthesist about the use of propranolol; if it is necessary to stop propranolol before the operation, stop taking propranolol at least 48 hours before the operation.
In the event of recurrence of hemangioma symptoms after treatment cessation, treatment can be restarted.
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The complete list of all interactions can be found in the national Summary of Product Characteristics (SmPC) – click here
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