Targeted Therapies for Autosomal Dominant Polycystic Kidney Disease

(E-pub Ahead of Print)

Author(s): Cherie Stayner*, Darby G Brooke, Michael Bates, Michael R. Eccles.

Journal Name: Current Medicinal Chemistry

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Background: Autosomal dominant polycystic kidney disease (ADPKD) is the most common life-threatening genetic disease in humans, affecting approximately 1 in 500 people. ADPKD is characterized by cyst growth in the kidney leading to progressive parenchymal damage and is the underlying pathology in approximately 10% of patients requiring hemodialysis or transplantation for end-stage kidney disease. The two proteins that are mutated in ADPKD, polycystin-1 and polycystin-2, form a complex located on the primary cilium and the plasma membrane to facilitate calcium ion release in the cell. There is currently no Food and Drug Administration (FDA)-approved therapy to cure or slow the progression of the disease. Rodent ADPKD models do not completely mimic the human disease, and therefore preclinical results have not always successfully translated to the clinic. Moreover, the toxicity of many of these potential therapies has led to patient withdrawals from clinical trials.

Results: Here, we review compounds in a clinical trial for treating ADPKD, and we examine the feasibility of using a kidney-targeted approach, with potential for broadening the therapeutic window, decreasing treatment-associated toxicity and increasing the efficacy of agents that have demonstrated activity in animal models. We make recommendations for integrating kidney- targeted therapies with current treatment regimes, to achieve a combined approach to treating ADPKD.

Conclusion: Many compounds are currently in clinical trial for ADPKD, yet to date, none are FDA-approved for treating this disease. Patients could benefit from efficacious pharmacotherapy, especially if it can be kidney-targeted, and intensive efforts continue to be focused on this goal.

Keywords: Autosomal Dominant Polycystic Kidney Disease, ADPKD, kidney-specific therapy, kidney disease, targeted therapies, polycystic kidney disease

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(E-pub Ahead of Print)
DOI: 10.2174/0929867325666180508095654
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