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Clinical Trial Summary

The primary purpose of Study INZ701-106 (The ENERGY 3 Study) is to assess the efficacy and safety of INZ-701 in children with ENPP1 Deficiency.


Clinical Trial Description

INZ-701 is an ectonucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1) enzyme replacement therapy (ERT) in development for the treatment of ENPP1 Deficiency, an ultra-rare genetic disorder with an incidence of 1 in 64,000 pregnancies. Study INZ701-106 (The ENERGY 3 Study) is a multi-center, randomized in a 2:1 ratio, controlled, open-label Phase 3 study to evaluate the efficacy and safety of INZ-701 in children with ENPP1 Deficiency. The study will consist of a Screening Period of up to 52 days (including a washout period of up to 7 days for prohibited medications post-Randomization) and a Randomized Treatment Period (INZ-701 or control) of 52 weeks, followed by an Open-label Extension Period during which all study participants may receive INZ-701, and an End of Study (EOS) Safety visit 30 days after the last dose of INZ-701. ;


Study Design


Related Conditions & MeSH terms

  • Autosomal Recessive Hypophosphatemic Rickets
  • Calcinosis
  • Ectonucleotide Pyrophosphatase/Phosphodiesterase1 Deficiency
  • Familial Hypophosphatemic Rickets
  • Generalized Arterial Calcification of Infancy
  • Rickets
  • Vascular Calcification

NCT number NCT06046820
Study type Interventional
Source Inozyme Pharma
Contact Inozyme Clinical Trial Information
Phone +1 857 330 4340
Email clinicaltrials@inozyme.com
Status Recruiting
Phase Phase 3
Start date November 5, 2023
Completion date June 2025

See also
  Status Clinical Trial Phase
Recruiting NCT04686175 - Evaluation of Safety, Tolerability, and Efficacy of INZ-701 in Adults With ENPP1 Deficiency Phase 1/Phase 2
Recruiting NCT05734196 - The ENERGY Study: Evaluation of Safety and Tolerability of INZ-701 in Infants With ENPP1 Deficiency Phase 1
Not yet recruiting NCT05050669 - Natural History Study of ENPP1 Deficiency and and the Early-onset Form of ABCC6 Deficiency
Completed NCT03478839 - Study of People With Generalized Arterial Calcification of Infancy (GACI) or Autosomal Recessive Hypophosphatemic Rickets Type 2 (ARHR2)
Active, not recruiting NCT05030831 - Evaluation of Safety, Tolerability, and Efficacy of INZ-701 in Adults With ABCC6 Deficiency Causing PXE Phase 1/Phase 2