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Use of Ultra-high Field MRI in Small Rodent Models of Polycystic Kidney Disease for In Vivo Phenotyping and Drug Monitoring
Published on: June 23, 2015
[Autosomal dominant polycystic kidney disease: is the treatment for tomorrow?]
Emilie Cornec-Le Gall1, Yannick Le Meur2
1Service de néphrologie, hémodialyse et transplantation rénale, hôpital la Cavale-Blanche, 15, boulevard Tanguy-Prigent, 29609 Brest cedex, France; Université de Bretagne occidentale, université Européenne de Bretagne, 3, rue des Archives, 29238 Brest, France; Institut national de la sante et de la recherche medicale (INSERM), U1078, 46, rue Félix-le-Dantec, 29218 Brest cedex 2, France.
Abstract:
Autosomal dominant polycystic kidney disease (ADPKD) is the most frequent Mendelian inherited disorder. It covers 6.1% of incident ESRD patients in France in 2011. Long left untreated, this disease will soon benefit from targeted therapies currently under evaluation. Several molecules have already reached the stage of clinical trials: the evaluation of mTOR inhibitors yielded deceiving results and, more recently, 2 different molecules demonstrated a slight impact on the progression of total kidney volume (TKV): tolvaptan, vasopressin receptor-V2 inhibitor and somatostatin analogues; both of these molecules acting throughout the decrease of intracellular AMPc. The purpose of this review is to briefly describe the signaling pathways involved, then to present both the published and ongoing clinical trials and the promising molecules evaluated in murine models.
Insights
Autosomal dominant polycystic kidney disease (ADPKD), a common inherited disorder, is progressing towards targeted therapies. Current research focuses on molecules like tolvaptan and somatostatin analogues to slow disease progression.
Area of Science:
- Nephrology
- Genetics
- Pharmacology
Background:
- Autosomal dominant polycystic kidney disease (ADPKD) is the most common inherited kidney disorder.
- It accounts for a significant percentage of end-stage renal disease (ESRD) cases.
- ADPKD has historically lacked effective targeted treatments.
Purpose of the Study:
- To review signaling pathways implicated in ADPKD.
- To summarize current and ongoing clinical trials for ADPKD therapies.
- To discuss promising therapeutic molecules evaluated in preclinical models.
Main Methods:
- Literature review of signaling pathways in ADPKD.
- Analysis of published and ongoing clinical trial data.
- Evaluation of preclinical studies on therapeutic agents in murine models.
Main Results:
- mTOR inhibitors showed disappointing results in clinical trials.
- Tolvaptan and somatostatin analogues demonstrated a modest effect on slowing total kidney volume (TKV) progression.
- Both tolvaptan and somatostatin analogues function by reducing intracellular cyclic AMP (cAMP).
Conclusions:
- Targeted therapies for ADPKD are emerging.
- Tolvaptan and somatostatin analogues represent promising therapeutic avenues.
- Further research and clinical trials are crucial for advancing ADPKD treatment.
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