Pharmacodynamics of CGT 2168 Compared With Plavix®
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Purpose
CG106 is a Phase I open-label, randomized, multiple-dose, two-way crossover study to characterize the pharmacodynamics and pharmacokinetics of the investigational fixed-dose combination product CGT 2168 (clopidogrel, 75 mg and omeprazole, 20 mg) relative to Plavix® (clopidogrel, 75 mg).
Healthy volunteer subjects will undergo two dosing periods. In each 7-day dosing period, subjects will receive oral doses of study drug consisting of open-label CGT 2168 or Plavix® in the order determined by the randomization schedule. Each period of dose administration will be separated by a two-week washout period. Study exit will occur 1 week after Dosing Period 2. The expected total duration of participation is 8 weeks (56 days), including a screening visit on or within 21 days prior to enrollment.
On the day before Day 1 and Day 7 in each dosing period, subjects will be admitted to the Phase I unit. Blood samples to determine ADP-induced platelet aggregation will be collected pre-dose on Day 1 and 2 h after dosing on Day 7. Plasma concentrations of clopidogrel parent and clopidogrel carboxylic acid metabolite will also be measured pre-dose on Day 1 and pre-dose and serially after dosing on Day 7.
| Condition | Intervention | Phase |
|---|---|---|
|
Healthy |
Drug: CGT-2168 Drug: Plavix |
Phase 1 |
| Study Type: | Interventional |
| Study Design: | Allocation: Randomized Endpoint Classification: Pharmacokinetics/Dynamics Study Intervention Model: Crossover Assignment Masking: Open Label Primary Purpose: Treatment |
| Official Title: | A Phase I, Open-Label, Randomized, Multiple-Dose, Two-Way Crossover Study of the Pharmacodynamics of CGT 2168 Compared With Plavix® |
- The primary endpoint of this study is inhibition of platelet aggregation (IPA) based on maximum platelet aggregation (MPA) to 5 and 20 µM ADP after 7 days daily dosing with CGT-2168 compared to Plavix®. [ Time Frame: 7 days ] [ Designated as safety issue: No ]
- Residual aggregation, measured 10 min after the addition of 20 and 5 µM ADP, after 7 days daily dosing with CGT 2168 compared to Plavix®. [ Time Frame: 7 days ] [ Designated as safety issue: No ]
- Plasma PK measures of clopidogrel (parent drug and carboxylic acid metabolite) with CGT 2168 compared to Plavix®. [ Time Frame: 7 days ] [ Designated as safety issue: No ]
| Enrollment: | 60 |
| Study Start Date: | November 2007 |
| Study Completion Date: | May 2008 |
| Primary Completion Date: | May 2008 (Final data collection date for primary outcome measure) |
| Arms | Assigned Interventions |
|---|---|
|
Experimental: A
CGT-2168 (clopidogrel 75 mg/omeprazole 20 mg)
|
Drug: CGT-2168
(CGT-2168, one capsule each daily)
|
|
Active Comparator: B
Plavix (clopidogrel 75 mg)
|
Drug: Plavix
(clopidogrel, 75 mg)
|
Eligibility| Ages Eligible for Study: | 18 Years and older |
| Genders Eligible for Study: | Both |
| Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- Healthy males and females. Women of childbearing potential must have a negative pregnancy test prior to enrollment and agree to use two methods of effective barrier contraception, or a hormonal contraceptive to prevent pregnancy throughout the study.
- Able to comply with study procedures, which includes returning to the Phase I unit for all scheduled visits and procedures.
- Abstinence from tobacco use (including smoking cessation products containing nicotine) for 90 days prior to study entry, with agreement to abstain from tobacco/nicotine use throughout the study.
- Agreement to abstain from alcohol and caffeine ingestion from 72 h before dosing and throughout each dosing period.
- Able to give informed consent, and subject has signed and dated a written consent form approved by the IRB.
Exclusion Criteria:
- Hypersensitivity to clopidogrel, omeprazole, or related drugs including inactive ingredients.
- BMI (body mass index) outside the range of 19-30 kg/m2.
- At screening, body weight less than 50 kg if male or 45 kg if female.
- Clinically significant abnormal findings on physical examination, clinical laboratory tests or ECG at screening.
- History of hypertension or 5-minute sitting screening BP ≥160/100 mmHg on measurements repeated twice.
- History of diabetes mellitus, renal failure, acute or chronic liver disease, including acute or chronic hepatitis, or cirrhosis.
- Positive HIV-1 antibody, hepatitis B surface antigen or hepatitis C antibody screening test.
- History of any clinically significant medical or psychiatric condition.
- Difficulty in swallowing medication, or any known or suspected gastrointestinal abnormality that may affect drug absorption.
- Participation in a previous clinical trial within 30 days prior to enrollment (check-in on Day -1 for Visit 2).
- Blood donation of ≥ 1 pint within 30 days or plasma donation within 14 days prior to enrollment (check-in on Day -1 for Visit 2).
- Use of any prescription or over-the-counter medications or ingestion of herbal drugs/dietary supplements including vitamins and minerals within 14 days prior to enrollment (check-in on Day -1 for Visit 2). Hormonal contraceptives are allowed.
- Subject is not willing to refrain from drinking grapefruit juice or eating grapefruit throughout study participation.
- Subject is an active illicit drug user or has a history of illicit drug use within the previous 12 months.
Contacts and Locations| United States, Kansas | |
| Quintiles Phase I Services | |
| Overland Park, Kansas, United States, 66211 | |
| Study Director: | Pablo Lapuerta, MD | Cogentus Pharmaceuticals |
More Information
No publications provided
| Responsible Party: | Pablo Lapuerta, MD, Cogentus Pharmaceuticals |
| ClinicalTrials.gov Identifier: | NCT00620802 History of Changes |
| Other Study ID Numbers: | CG106 |
| Study First Received: | February 12, 2008 |
| Last Updated: | August 22, 2008 |
| Health Authority: | United States: Food and Drug Administration |
Keywords provided by Cogentus Pharmaceuticals:
|
Platelet function testing Healthy volunteers |
Additional relevant MeSH terms:
|
Clopidogrel Platelet Aggregation Inhibitors Hematologic Agents Therapeutic Uses Pharmacologic Actions Purinergic P2Y Receptor Antagonists |
Purinergic P2 Receptor Antagonists Purinergic Antagonists Purinergic Agents Neurotransmitter Agents Molecular Mechanisms of Pharmacological Action Physiological Effects of Drugs |
ClinicalTrials.gov processed this record on May 19, 2013