Extended propranolol use boosts success in high-risk hemangioma.
EXTENDING ORAL PROPRANOLOL treatment up to 12 months of age increased the success rate for high-risk infantile hemangioma, according to results published in Pediatrics.
Previous studies of oral propranol for infantile hemangiomas (IH) have revealed its efficacy, although there is no consensus on the optimal treatment duration. Nonetheless, treatment up to 12 months of age has been proposed if patients don't respond after 6 months. Infants with high-risk hemangiomas, however, have been excluded from previous studies, authors of the current study explained.
In an open-label study of patients aged 35-150 days, the success rate of oral propranolol was 47% after 6 months of treatment. The rate increased to 76% after the initial treatment period, reported Eulalia Baselga, MD, of the department of dermatology at Hospital de la Santa Creu i Sant Pau in Barcelona, and coauthors.
Investigators studied 45 patients from 10 hospitals in Spain and Poland between June 2015 and February 2017. The patients had high-risk IH in the proliferative phase. High-risk hemangiomas were defined as those that were life threatening, at risk for functional impact, disfiguring, or ulcerated nonresponsive to standard wound care measures.
Oral propranolol was administered twice daily at a dosage of 3 mg / kg per day. During the initial treatment period (ITP), patients received propranolol for a minimum of 6 months, and if treatment was not successful, it continued until success or up to 12 months of age.
Patients who achieved success in the initial phase were managed for 3 months with no treatment, and if there was rebound growth, treatment was restarted for up to 6 months at the provider's discretion.
Treatment was considered a success if the target hemangioma resolved and there was no functional impact. The IH was considered resolved if it disappeared, even if there were minimal telangiectasias, erythema, skin thickening, soft tissue swelling, or the presence of sequelae.
Treatment success was achieved by 21 (47%) patients after 6 months and by 34 (76%) patients by the end of the ITP. Functional impact was determined using the Hemangioma Severity and Hemangioma Dynamic Complication scales. Adverse events, reported by 80% of patients, were resolved by the end of the study and included respiratory syncytial virus bronchiolitis, ulcerated hemangioma, pneumonia and respiratory failure, inguinal hernia, upper respiratory tract infection, dehydration, bronchitis, choking, and thermal burn. Although no patients experienced adverse events that resulted in discontinuation of treatment, 35 events led to temporary discontinuation, primarily due to respiratory events, the authors reported.
The results indicate that "oral propranolol is effective in treating high-risk IH with a favorable safety profile," the authors concluded.
The study was funded by the Institut de Recherche Pierre Fabre Several authors were employed by or had other relationships with Pierre Fabre. The other authors had no conflicts of interest.
BY MADHU RAJARAMAN
SOURCE: Baselga E et al. Pediatrics. 2018. doi: 10.1542/peds.2017-3866.
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|Date:||Oct 1, 2018|
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