Drug Transporter Clinical Trials

Drug Transporter clinical trials

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Completed

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NCT ID: NCT01420211 Completed - Pharmacokinetics Clinical Trials

Influence of the OATP1B1 and OATP1B3 Genotype on the Hepatic Uptake of Primovist®

Start date: October 2006
Phase: Phase 1/Phase 2
Study type: Interventional

The objective of the study is to assess the hepatic uptake of Primovist® after intravenous administration of 25 µmol/kg body weight in 56 healthy volunteers and in 60 patients with a liver disease in dependence on the OATP1B1- and OATP1B3-genotype.

Interventional studies are often prospective and are specifically tailored to evaluate direct impacts of treatment or preventive measures on disease.

Observational studies are often retrospective and are used to assess potential causation in exposure-outcome relationships and therefore influence preventive methods.

Expanded access is a means by which manufacturers make investigational new drugs available, under certain circumstances, to treat a patient(s) with a serious disease or condition who cannot participate in a controlled clinical trial.

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.