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Hyperoxaluria and systemic oxalosis: current therapy and future directions.
Amy E Bobrowski1, Craig B Langman
1Feinberg School of Medicine, Northwestern University, Division of Kidney Diseases, Department of Pediatrics, Children's Memorial Hospital, 2300 Children's Plaza #37, Chicago, IL 60614, USA. abobrowski@childrensmemorial.org
Expert Opinion on Pharmacotherapy
|October 6, 2006
Summary
Primary hyperoxaluria causes severe kidney damage due to excess oxalate. Current treatments offer limited success, but novel gene and cell therapies show promise for a future cure.
Area of Science:
- Nephrology
- Metabolic Disorders
- Genetics
Background:
- Primary hyperoxaluria (PH) is a group of inherited metabolic disorders characterized by excessive endogenous oxalate production.
- This leads to recurrent kidney stones, nephrocalcinosis, kidney failure, and systemic oxalosis.
- Current treatments are insufficient, and organ transplantation has poor outcomes.
Purpose of the Study:
- To review the current understanding of primary hyperoxalurias.
- To discuss existing and emerging therapeutic strategies.
- To highlight the potential of innovative treatments for a definitive cure.
Main Methods:
- Review of current literature on primary hyperoxaluria.
- Analysis of existing therapeutic approaches and their limitations.
- Exploration of novel treatment modalities under investigation.
Main Results:
- Existing therapies like pyridoxine, crystallisation inhibitors, and hydration offer partial management.
- These therapies have variable success and do not represent a cure for PH.
- Organ transplantation is associated with reduced patient and graft survival.
Conclusions:
- Novel approaches including gene therapy, cell transplantation, and chemical chaperones offer hope for a cure.
- These innovative strategies aim to correct the underlying genetic defect.
- Future therapies may provide a definitive cure for primary hyperoxaluria, avoiding transplantation risks.
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