Overview

Effects of EVT 302 With or Without NRT on Craving and Withdrawal in Healthy Male Smokers Deprived of Cigarettes

Status:
Completed
Trial end date:
2008-05-01
Target enrollment:
0
Participant gender:
Male
Summary
This randomised, placebo-controlled study is designed to explore the effects of EVT 302 both with and without concomitant nicotine replacement therapy (NRT) on craving and withdrawal in smokers after short term deprivation of cigarettes.
Phase:
Phase 2
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
Evotec Neurosciences GmbH
Treatments:
Nicotine
Criteria
Inclusion Criteria:

- Male subjects between 18 and 55 years of age, inclusive

- BMI between 18 and 30, minimum weight of 50 kg

- Negative urine drug & alcohol screen

- Able to comply with tyramine-restricted diet

- Smoking of ≥17 and ≤34 cigarettes per day for the past year and have not tried to quit
smoking in the 3 months prior to screening

- Subjects are willing and able to quit for about 12 hours in each of three subsequent
study periods

- Previous experience of craving following smoking cessation

- Breath CO between 15 ppm and 20 ppm and cotinine in saliva and plasma at least 250
ng/mL at screening

- Liver function test results not above 1.5 times the upper normal limit (UNL) at
screening visit and at re-assessment during the study.

Exclusion Criteria:

- Participation in another clinical study within 60 days of screening

- Evidence of active significant psychiatric or neurological disease or dependency other
than cigarettes

- Are known to have or are a carrier of the hepatitis B surface antigen (HBsAg),
hepatitis C virus (HCV) antibody, has a positive result to the human immunodeficiency
virus-1 and/or 2 (HIV-1 and/or HIV-2) antibodies

- Known hypersensitivity to MAO inhibitors or any substance that is contained in the
study formulations

- Known allergy to plasters or NRT patches

- Previous participation in another study with EVT 302

- Currently receiving treatment for smoking cessation

- Current use of tobacco products other than cigarettes

- Require treatment with any medication

- Subject with a clinically relevant abnormal 12-lead ECG recording or QTcB/F >430 ms

- Use of a prescription medicine within 14 days or 5 half-lives, whichever is the
longer, of the start of dosing, or use of an over-the-counter medication during the 7
days before the study, including herbal remedies, but excluding paracetamol and
vitamin supplements (provided intake does not exceed the daily recommended allowance)

- Subjects must not be planning to father a child or donate sperm, during the study and
3 months after the end of the study. Acceptable methods of contraception comprise
barrier contraception and a medically accepted contraceptive method for the female
partner (intra-uterine device with spermicide, hormonal contraceptive since at least 2
month)

- Daily consumption of more than 5 cups of tea or coffee, or more than 1.0 litre of
xanthine-containing drinks

- Recent myocardial infarction, unstable or worsening angina pectoris, prince metal
angina, severe arrhythmias, recent stroke.

- Creatinine clearance (CLR) calculated according to the formula by Modification of Diet
in Renal Disease (MDRD) of <80 mL/min