Early initiation of therapy with vosoritide: case report. Description of the first Italian patient affected by achondroplasia treated with vosoritide before 2 years of age - Report - MDSpire

Early initiation of therapy with vosoritide: case report. Description of the first Italian patient affected by achondroplasia treated with vosoritide before 2 years of age

  • By

  • Mila Ann Kalapurackal

  • Petra Wanker

  • July 6, 2026

  • 0 min

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Clinical Report: Early Treatment with Vosoritide in Achondroplasia

Background

Achondroplasia is the most common skeletal dysplasia, characterized by disproportionate short stature and a significant decrease in growth velocity during infancy. Vosoritide is the first drug approved to enhance linear growth in children with this condition.

Data Highlights

ParameterAt BirthAfter 12 Months of Vosoritide
Weight2,140 g (−1.28 SDS)7.15 kg (−1.87 SDS)
Length42 cm (−2.19 SDS)67.2 cm (−0.52 SDS)
Head Circumference33 cm (0.23 SDS)49.5 cm (−1.10 SDS)

Key Findings

  • The patient was diagnosed with achondroplasia due to a de novo FGFR3 gene mutation.
  • Vosoritide therapy was initiated at 7 months of age.
  • After 12 months of treatment, the patient showed an improvement of +0.35 SD in length.
  • No severe adverse effects were reported during the treatment period.
  • The patient's growth parameters were monitored and documented at regular intervals.

Clinical Implications

Clinicians should consider the benefits of initiating therapy before the age of two, particularly in light of the rapid growth deficits characteristic of this condition.

Conclusion

This case highlights the use of vosoritide in a patient with achondroplasia, documenting the treatment initiation and growth outcomes.

Related Resources & Content

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  6. The Journal of Clinical Endocrinology & Metabolism — Management Strategies for Osteoporosis Induced by Glucocorticoids in Pediatric Patients
  7. International Consensus Statement on Achondroplasia
  8. Once-daily, subcutaneous vosoritide therapy in children with achondroplasia: a randomised, double-blind, phase 3, placebo-controlled, multicentre trial - PubMed
  9. New Meds and Tech from the PES Drugs & Therapeutics Committee – VOXZOGO-UPDATE - Pediatric Endocrine Society

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