Clinical Pharmacology

Inclusion Criteria

- Healthy adult men or women
- Age 18 to 55 years inclusive
- Body mass index 18.5 to 30.0 kg/m*2 inclusive

Exclusion Criteria

- Positive alcohol or drug screen at Screening or on Day -1 of each dosing period;
- Use of within 1 month before first study drug administration, systemic or topical medicines or substances which might affect the study objectives, any drug known to induce cytochrome P3A4/5 or P Glycoprotein (e.g., rifampin, carbamazepine, St. John’s wort); Any drug known to inhibit cytochrome P3A4/5 or P Glycoprotein (e.g., clarithromycin, chloramphenicol, ketoconazole);
- History of hypersensitivity symptoms with the use of loratadine, desloratadine (Clarinex), or pseudoephedrine;
- Females who are pregnant or lactating
- Known severe allergies (e.g., allergies to more than 3 allergens, allergies affecting the lower respiratory tract – allergic asthma, allergies requiring therapy with corticosteroids);
- More than moderate alcohol consumption (>40 g of alcohol regularly per day);
- Any history or suspicion of barbiturate, amphetamine, benzodiazepine, cocaine, opiates, methamphetamine or cannabis abuse;
- Loss of blood of 50 mL to 499 mL within 30 days of the first dose of trial treatment, or in excess of 500 mL within 56 days of the first dose of trial treatment (e.g., donation, plasmapheresis or injury)