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Tyrosinemia type I: Case series with response to treatment to NTBC
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.
Abstract:
We present four children with tyrosinemia and their response to NTBC [2-[2-nitro-4-trifluoromethylbenzoyl]-1, 3-cyclohexanedione]. One child received NTBC for only 3 months after which he was diagnosed to have hepatocellular carcinoma and underwent a living-related liver transplantation. The child is doing well post-transplant. Remaining three children have been on NTBC for almost 3 years, have normal liver functions, undetectable urine succinylacetone, and no portal hypertension or renal tubular acidosis.
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