Study in Healthy Adults to Determine the Effect That Food Has on the Absorption and Delivery of the Drug Cystagon™

Completed · Not applicable

Conditions studied: Cystinosis, Nephropathic Cystinosis

In brief

In order to meet FDA standards of safety and efficacy reporting for most new drugs, food-effect bioavailability (the impact that the presence of food in the digestive tract has on the rate and extent at which a drug is absorbed into the bloodstream and delivered to the site of action) must be collected. Cystagon™ is an FDA approved drug for the treatment of the rare disease cystinosis that became available in 1994, but there is inadequate knowledge of the food-effect on this drug's bioavailability. This study aims to investigate how food affects the absorption of Cystagon™ into the bloodstream of normal healthy adults.

Key facts

Study ID

NCT01432561

Run by

University of California, San Diego

People needed

8

Starts

2011-09-01

Expected to finish

2011-12-01

Last updated by the study team

2013-10-09

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Male or female, smoker (no more than 25 cigarettes daily) or non-smoker, 18 years of age and older, with BMI > 18 and < 30.0.
• Females of childbearing potential who are sexually active must be willing to use two forms of contraceptive methods throughout the study and for 14days after the last study drug administration.
• Minimum weight of 50 kg.
• Good health, defined as not having history of any chronic illness and not requiring any regular medication/therapy.
• Must swallow tablets on a regular basis.

You may not qualify if…

• Evidence of Helicobacter pylori infection, presently, or within the last year.
• Subjects with known hypersensitivity to cysteamine.
• History, currently or within the past 3 months, of the following conditions:
• Pancreatitis
• Inflammatory bowel disease
• Malabsorption
• Severe liver disease
• Unstable heart disease, e.g., myocardial infarction, heart failure, arrhythmias.
• Unstable diabetes mellitus
• Any bleeding disorder.
• Zollinger-Ellison syndrome
• Malignant disease
• Subjects whom may be pregnant or have health issues that make it unsafe for them participate, or whose concomitant medical problems preclude them from committing to the study schedule.
• Use of an investigational drug within 30 days (or 90 days for biologics) prior to dosing.
• Use of prescription medication within 14 days prior to the first dosing;
• Use over-the-counter products including natural health products (e.g. food supplements and herbal supplements) within 7 days prior to the first dosing.
• Donation of plasma within 7 days prior to dosing. Donation or loss of blood (excluding volume drawn at screening) of 50 mL to 499 mL of blood within 30 days, or more than 499 mL within 56 days prior to dosing.
• Hemoglobin <13.5 g/dL (males) and <12.0 g/dL (females) and hematocrit <41.0% (males) and <36.0% (females) at screening.
• Breast-feeding subject.
• Immunization with a live attenuated vaccine 1 month prior to dosing or planned vaccination during the course of the study.
• Presence of fever (body temperature >37.6°C) (e.g. a fever associated with a symptomatic viral or bacterial infection) within 2 weeks prior to dosing.

Where it is running

• University of California, San Diego Center for Clinical Research Services (CCR) — La Jolla, California, United States

Full record on ClinicalTrials.gov

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