Immunosuppression Conversion clinical trials

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

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NCT ID: NCT01321112 Recruiting - Clinical trials for Liver Transplantation

Search for Transcriptional Biomarkers in a Conversion Protocol From Calcineurin Inhibitors to Mycophenolate Mofetil

TBCP

Start date: February 2011
Phase: N/A
Study type: Interventional

As is well known, immunosuppressive treatment (IS) after liver transplantation has several and frequents adverse effects that limit the survival of the graft and recipients. Because of that, it is desirable that these recipients were able to receive a mild IS regime with a better safety profile. An attempt to get that aim has been evaluated in several trials in the past, and consist in to change the IS regime from an calcineurin inhibitors (CNI) based to another less intense and with less adverse effects based on mycophenolate mofetil (MMF), which is known to have a better safety profile. The success rate of this strategy(i.e. complete conversion in absence of rejection) has a wide range from 100% to 50% approximately. However it is accepted that this strategy is associated with the improvement of several adverse effects of CNIs such as renal failure and dyslipemia. This study's aim is to perform IS conversion from CNI to MMF monotherapy and look for transcriptional biomarkers employing a whole genome expression study performed with microarrays at baseline on liver tissue and/or PBMCs to try to find a differential gene expression able to correlate with a successful conversion and thus, to generate a set of transcriptional biomarkers potentially able to predict the result of the IS conversion on an independent cohort of liver recipients.