Related Experiment Videos

Preliminary results of propranolol treatment for patients with infantile hemangioma

Funda Corapcioğlu1, Sema Büyükkapu-Bay, Köksal Binnetoğlu

  • 1Department of Pediatrics, Kocaeli University Faculty of Medicine, Kocaeli, Turkey.

Insights

Propranolol effectively treats infantile hemangiomas, showing significant lesion regression. This non-selective beta-blocker demonstrated good clinical tolerance in infants, suggesting it as a preferred first-line therapy.

Area of Science:

  • Pediatric dermatology
  • Pharmacology

Background:

  • Infantile hemangiomas are common vascular tumors in infants.
  • Systemic corticosteroids are a traditional first-line treatment.
  • Propranolol, a non-selective beta-blocker, has emerged as a novel therapeutic option.

Purpose of the Study:

  • To evaluate the efficacy and safety of propranolol for infantile hemangiomas.
  • To assess lesion regression rates and clinical tolerance.

Main Methods:

  • A study involving 12 infants with hemangioma.
  • Prior treatment with systemic corticosteroids.
  • Propranolol administered at 2 mg/kg/day in three divided doses.
  • Inpatient monitoring for the first 72 hours.
  • Treatment duration of 4-9 months.

Main Results:

  • Mean lesion dimension regression of 38% at 2 months and 55% at 9 months.
  • One patient experienced transient bradycardia, resolving spontaneously.
  • No other significant side effects were observed.

Conclusions:

  • Propranolol is an effective treatment for infantile hemangiomas.
  • The drug exhibits good clinical tolerance in the pediatric population.
  • Propranolol is suggested as a preferable first-line therapy over corticosteroids.

Related Concept Videos

Adrenergic Antagonists: Pharmacological Actions of β-Receptor Blockers01:27

Adrenergic Antagonists: Pharmacological Actions of β-Receptor Blockers

β-receptor blockers significantly impact the cardiovascular system by counteracting catecholamine-induced sympathetic responses. These medications decrease heart rate, contractility, and cardiac output, potentially leading to cardiac depression, life-threatening bradycardia, and death. Therapeutically, β-blockers function as mild antihypertensives and are utilized in treating angina pectoris and cardiac arrhythmias. However, nonselective β-blockers inhibit β2-receptors in bronchial smooth...
Adrenergic Antagonists: ɑ and β-Receptor Blockers01:31

Adrenergic Antagonists: ɑ and β-Receptor Blockers

Third-generation β-blockers, such as labetalol and carvedilol, represent a significant advancement in managing cardiovascular conditions. Unlike conventional β-blockers, which can induce peripheral vasoconstriction, third-generation drugs block α1 adrenoceptors. This promotes vasodilation through several mechanisms, such as increased nitric oxide production, inhibition of calcium ion entry, opening of potassium ion channels, and antioxidant action. Labetalol, for instance, is clinically...
Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists01:23

Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists

Prostacyclin receptor agonists are a class of therapeutic agents integral to managing pulmonary arterial hypertension (PAH). These drugs operate by mimicking the action of prostaglandin I2, or PGI2, a naturally occurring compound in the body.
These agonists bind to the IPR receptor situated on the plasma membrane of the pulmonary artery smooth muscle cells. This binding triggers a cascade of reactions known as the GS-AC-cAMP-PKA pathway. This pathway results in the relaxation of smooth muscle...