Pharmacokinetics of Tasimelteon in Subjects With Mild or Moderate Hepatic Impairment

Completed · Phase 1

Conditions studied: Hepatic Impairment

In brief

The purpose of this research study is to understand whether there is any difference in the amount of tasimelteon (including its breakdown products) in the blood in individuals with mild or moderate liver disease compared to individuals who have normal liver function.

Key facts

Study ID

NCT01271387

Run by

Vanda Pharmaceuticals

People needed

29

Starts

2011-01-01

Expected to finish

2011-08-01

Last updated by the study team

2014-02-17

Who can join

Age: 18 and older, up to 75. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• All Subjects:
• Ability and acceptance to provide written informed consent;
• Men or women between 18 - 75 years, inclusive;
• Subjects with Body Mass Index (BMI) of >18 and <35 kg/m2;
• Women of child-bearing potential must be using an acceptable method of birth control;
• Willing and able to comply with study requirements and restrictions;
• Subjects with mild or moderate hepatic impairment:
• Stable hepatic impairment satisfying the criteria for Class A or B of the modified Child-Pugh classification documented by medical history;
• Subjects with Moderate hepatic impairment must also have either liver cirrhosis or physical signs consistent with a clinical diagnosis of liver cirrhosis
• Creatinine clearance greater than 50 mL/min
• Healthy matched controls:
• Matched to subjects with hepatic impairment by gender, age, BMI, and smoking status
• Good health as determined by past medical history, physical examination, electrocardiogram, laboratory tests, vital signs and urinalysis;

You may not qualify if…

• Smokers unable or unwilling to limit consumption;
• Exposure to any investigational drug, including placebo, within 30 days of dosing;
• Blood Donation or loss of 400 mL or more within two months prior to dosing;
• Significant illness within the two weeks prior to dosing;
• History of autonomic dysfunction;
• History of acute or chronic bronchospastic disease, including asthma and chronic obstructive pulmonary disease, treated or not treated;
• A known hypersensitivity to tasimelteon or drugs similar to tasimelteon including melatonin;
• Pregnant or lactating females;
• History of drug or alcohol abuse within the 12 months prior to screening
• History of immunocompromise, including a positive HIV (ELISA and Western blot) test result;
• Any surgical or medical condition which might significantly alter the absorption, distribution or excretion of any drug;
• Clinically significant ECG abnormalities or vital sign abnormalities at screening or a history of unstable, severe, or clinically significant cardiovascular disease;
• Subjects with mild or moderate hepatic impairment:
• Clinically significant abnormal findings, not consistent with clinical disease, upon physical examination, ECG, or laboratory evaluation;
• Current symptoms or past history (within the last 6 months) of encephalopathy;
• Severe ascites;
• Previous surgical porto-systemic shunt including transjugular intrahepatic portosystemic shunt (TIPS);
• Progressive liver disease within 4 weeks prior to screening.
• Healthy matched controls:
• Use of any prescription medication within 1 month of dosing, and OTC medication within 14 days prior to dosing;
• History or presence of liver disease or liver injury;
• A positive Hepatitis B surface antigen (HBsAg) or Hepatitis C test result.

Where it is running

• Orlando Clinical Research Center — Orlando, Florida, United States

Full record on ClinicalTrials.gov

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