the Effect of ABCC2 Genetic Polymorphism on Neurotoxicity in

Status Recruiting

Clinical Trial Summary

Study the effect of genetic polymorphism (rs1885301, rs4148396 and rs3740066) in the membrane of Multidrug resistance protein 2 (MRP2) encoded by ATP-binding cassette C2 (ABCC2) gene and its genetic expression levels on neurotoxicity in gasrtointestinal cancer patients reciving Oxaliplatin-based chemotherapy.

Clinical Trial Description

Several solutes carriers and ATP-binding cassette transporters have been implicated in the influx or efflux of platinum-based chemotherapeutic agents such as cisplatin, carboplatin, and oxaliplatin. The ATP-binding cassette (ABC-) transporter superfamily contains several family members that may confer intrinsic or acquired multidrug resistance (MDR) by extruding anticancer agents or their metabolites from cells and suppression of such transporters may lead to sensitisation to cytostatic agents. Multidrug resistance protein 2 (MRP2), encoded by the ATP-binding cassette C2 (ABCC2) gene , is an efflux pump located on the apical membrane of many polarized cells, which transports conjugate compounds by an ATP-dependent mechanism like oxaliplatin. Single nucleotide polymorphisms (SNPs) in genes involved in drug transport like ABCC2 gene may lead to higher intracellular oxaliplatin accumulation in the dorsal root ganglia and thus increased risk of Oxaliplatin-induced peripheral neurotoxicity (OXPN). Enhanced ABCC2 expression can lead to decreased cellular glutathione content. Glutathione is needed for oxaliplatin detoxification via conjugation, and it was reported that low glutathione intra- cellular levels can cause increased oxaliplatin cytotoxicity. Moreover, ABCC2 mediates the export of the oxaliplatin-glutathione conjugated form, and ABCC2 overexpressing cells were resistant to platinum derivatives. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05494320
Study type	Observational
Source	Ain Shams University
Contact	Sara Mohamed Abdel Aziz, Master Student
Phone	00201119215516
Email	dr.sara.mohamed75@gmail.com
Status	Recruiting
Phase
Start date	August 15, 2021
Completion date	December 31, 2022

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

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.

the Effect of ABCC2 Genetic Polymorphism on Neurotoxicity in Gastrointestinal Cancer Patients Receiving Oxaliplatin

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms