Clinical trial NCT00971295: Effect of Eslicarbazepine Acetate on the Pharmacokinetics of Metformin in Healthy Volunteers
Official title: Effect of Eslicarbazepine Acetate on the Pharmacokinetics of Metformin in Healthy Volunteers
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: PHASE1
Conditions: Neuropathic Pain
Keywords: eslicarbazepine acetate
zebinix
metformin
Lead sponsor: Bial - Portela C S.A.
Sponsor class: INDUSTRY
First posted: 2009-09-03
Enrollment: 20
Sex: ALL
Minimum age (years): 18
Maximum age (years): 45
Standard ages: ADULT
Accepts healthy volunteers: yes
Allocation: RANDOMIZED
Intervention model: CROSSOVER
Primary purpose: TREATMENT

Brief summary: The primary objective was to investigate whether multiple-dose administration of eslicarbazepine acetate affects the pharmacokinetics of metformin.


Eligibility criteria: Inclusion Criteria:

* Male or female subjects aged between 18 and 45 years, inclusive.
* Body mass index (BMI) between 19 and 30 kg/m2, inclusive.
* Healthy as determined by pre-study medical history, physical examination, vital signs, complete neurological examination and 12-lead ECG.
* Negative tests for HBsAg, anti-HCVAb and HIV-1 and HIV-2 Ab at screening
* Clinical laboratory test results clinically acceptable at screening and admission to each treatment period.
* Negative screen for alcohol and drugs of abuse at screening and admission to each treatment period.
* Non-smokers or who smoke ≤ 10 cigarettes or equivalent per day.
* Able and willing to give written informed consent.
* (If female) Not of childbearing potential by reason of surgery or, if of childbearing potential, she used one of the following methods of contraception: double barrier or intrauterine device.
* (If female) Negative urine pregnancy test at screening and admission to each treatment period.

Exclusion Criteria:

* Clinically relevant history or presence of respiratory, gastrointestinal, renal, hepatic, haematological, lymphatic, neurological, cardiovascular, psychiatric, musculoskeletal, genitourinary, immunological, dermatological, endocrine, connective tissue diseases or disorders.
* Clinically relevant surgical history.
* History of relevant atopy or drug hypersensitivity.
* History of alcoholism or drug abuse.
* Consumed more than 14 units of alcohol a week.
* Significant infection or known inflammatory process at screening or admission to each treatment period.
* Acute gastrointestinal symptoms (e.g., nausea, vomiting, diarrhoea, heartburn) at the time of screening or admission to each treatment period.
* Used medicines within 2 weeks of admission to first period that may affect the safety or other study assessments, in the investigator's opinion.
* Used any investigational drug or participated in any clinical trial within 6 months prior to screening.
* Participated in more than 2 clinical trials within the 12 months prior to screening.
* Donated or received any blood or blood products within the 3 months prior to screening.
* Vegetarians, vegans or with medical dietary restrictions.
* Could not communicate reliably with the investigator.
* Unlikely to co-operate with the requirements of the study.
* Unwilling or unable to give written informed consent.
* (If female) Pregnant or breast-feeding.
* (If female) Of childbearing potential and she did not use an approved effective contraceptive method (double-barrier or intra-uterine device) or she used oral contraceptives.

Primary outcomes:
measure: Cmax - Maximum Observed Plasma Concentration
timeFrame: 3 weeks
Secondary outcomes:
measure: Tmax - Time of Occurrence of Cmax
timeFrame: 3 weeks
measure: AUC0-∞ - Area Under the Plasma Concentration From Time Zero to Infinity
timeFrame: 3 weeks
Other outcomes:
Locations:
city: Mamede do Coronado
country: Portugal
facility: Human Pharmacology Unit (UFH)Section of Clinical Research (SIC), Department of Research & Development (DID), BIAL - Portela & Cª, SA,
Study officials:
affiliation: BIAL - Portela & Ca, S.A
name: Manuel Vaz-da-Silva, MD, PhD
role: PRINCIPAL_INVESTIGATOR
References:
citation: Rocha JF, Vaz-da-Silva M, Almeida L, Falcao A, Nunes T, Santos AT, Martins F, Fontes-Ribeiro C, Macedo T, Soares-da-Silva P. Effect of eslicarbazepine acetate on the pharmacokinetics of metformin in healthy subjects. Int J Clin Pharmacol Ther. 2009 Apr;47(4):255-61. doi: 10.5414/cpp47255.