Tyrosinemia type I: Case series with response to treatment to NTBC

Ira Shah1, Forum Shah2

  • 1Pediatric Liver Clinic, Bai Jerbai Wadia Hospital for Children, Acharya Donde Marg, Lower Parel, Mumbai, 400 012, India. irashah@pediatriconcall.com.

Insights

This study shows that NTBC treatment for tyrosinemia can normalize liver function and prevent complications in most children. One child required a liver transplant but is recovering well.

Area of Science:

  • Biochemistry
  • Pediatric Medicine
  • Genetics

Background:

  • Tyrosinemia is a rare genetic disorder affecting liver function.
  • Early diagnosis and treatment are crucial for managing tyrosinemia.
  • NTBC is a medication used to treat tyrosinemia.

Observation:

  • Four children with tyrosinemia were treated with NTBC.
  • One child developed hepatocellular carcinoma after 3 months of NTBC and underwent liver transplantation.
  • The remaining three children were treated with NTBC for nearly 3 years.

Findings:

  • Children on long-term NTBC therapy maintained normal liver function.
  • Urine succinylacetone levels were undetectable in treated children.
  • No cases of portal hypertension or renal tubular acidosis were observed in the long-term NTBC group.

Implications:

  • NTBC therapy appears effective in managing tyrosinemia and preventing severe complications.
  • Long-term NTBC treatment is associated with favorable clinical outcomes.
  • Liver transplantation remains an option for advanced cases, with good post-transplant prognosis.

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