A Clinical Trial to Evaluate Safety of Vosoritide in At-risk Infants With Achondroplasia

  • STATUS
    Recruiting
  • End date
    Dec 5, 2026
  • participants needed
    20
  • sponsor
    BioMarin Pharmaceutical
Updated on 5 August 2021

Summary

Study 111-209 is a Phase 2 randomized, open-label clinical trial of BMN 111 in infants and young children with a diagnosis of Achondroplasia at a heightened risk of requiring cervicomedullary decompression surgery

Details
Condition Dwarfism, Achondroplasia, Idiopathic Short Stature, Severe Short Stature
Treatment Vosoritide
Clinical Study IdentifierNCT04554940
SponsorBioMarin Pharmaceutical
Last Modified on5 August 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Parent(s) or guardian(s) willing and able to provide signed informed consent after the nature of the study has been explained and prior to performance of any research related procedure
Have ACH, documented by genetic testing
Are willing and able to perform all study procedures as physically possible
Age 0 to 12 months, at study entry (Day 1). Given that any potential impact of vosoritide therapy on the foramen magnum is dependent on treating as early as possible and as long as possible while the synchondroses at the base of the skull are still open. For subjects > 6 months of age at enrollment, a discussion between the investigator and the Medical Monitor should occur with the goal of limiting the number of subjects in the range of > 6 months to 12 months of age
Parent(s) or caregiver(s) are willing to administer daily injections to the subject and complete the required training
Have evidence of CMC that "may" require surgical intervention

Exclusion Criteria

Have hypochondroplasia or short-stature condition other than achondroplasia (eg, trisomy 21, pseudoachondroplasia, etc)
Have CMC that either does not require surgical intervention (for example foramen magnum narrowing with preservation of the cerebrospinal fluid space) or does require immediate surgical intervention
Have any of the following: Untreated congenital hypothyroidism or maternal history of hyperthyroidism, Insulin-requiring neonatal diabetes mellitus, Autoimmune inflammatory disease, Inflammatory bowel disease, Autonomic neuropathy
Have a history of any of the following:Renal insufficiency, Chronic anemia,Baseline systolic blood pressure below age and gender specified normal range or recurrent symptomatic hypotension (defined as episodes of low blood pressure generally accompanied by symptoms eg, pallor, cyanosis, irritability, poor feeding) and Cardiac or vascular disease
Have a clinically significant finding or arrhythmia that indicates abnormal cardiac function or conduction or QTc-F 450 msec on screening ECG
Have been treated with growth hormone, insulin-like growth factor 1, or anabolic steroids in the 6 months prior to Screening, or long-term treatment (> 3 months) at any time
Have ever had prior cervicomedullary decompression surgery
Have had a fracture of the long bones or spine within 6 months prior to Screening
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