Bioequivalence Study of Vigabatrin ORPHELIA Pharma 500mg Soluble Tablets and SabrilTM 500mg Granules for Oral Administration

NCT04468282 | Completed Phase 1 DMC

• 2 other identifiers: ORP-VGB-I-a2017-000038-67
• Study Type: interventional
• Target: 20
• Locations: 1 country
• Sites: 1

Brief Summary

Methodology: The study was an open label, randomized, crossover, 2 periods study in 20 healthy male/female volunteers. Subjects received 500 mg of the new formulation of soluble tablets vigabatrin or Sabril, as single oral administration in 2 different study periods depending on the randomization, with a 7-days wash out period between administrations

Conditions

Therapeutic Equivalency

Outcome Measures

Primary Outcomes (2)

• Primary pharmacokinetic parameters (Bioequivalence)

  The following pharmacokinetic parameters were determined from S(+) enantiomer of vigabatrin plasma concentrations: Cmax

  day 1 or 2

• Primary pharmacokinetic parameters (Bioequivalence)

  The following pharmacokinetic parameters were determined from S(+) enantiomer of vigabatrin plasma concentrations: AUC0-t

  day 1 or 2

Secondary Outcomes (5)

• Secondary pharmacokinetic parameters

  day 1 or 2

• Secondary pharmacokinetic parameters

  day 1 or 2

• Secondary pharmacokinetic parameters

  day 1 or 2

• Secondary pharmacokinetic parameters

  day 1 or 2

• Secondary pharmacokinetic parameters

  day 1 or 2

Study Arms (2)

VGB-ST

EXPERIMENTAL

Name of the compound: Vigabatrin ORPHELIA Pharma (VGB-ST) Pharmaceutical form: Soluble tablet Dose per administration: 500 mg Timing for administration: Single oral administration on P1D1 or P2D1 according to randomization. Batch N°: 16.92.042 (expiry date: 31.05.2017)

Drug: VGB-ST

Sabril

ACTIVE COMPARATOR

Name of the compound: Sabril (vigabatrin) Pharmaceutical form: granules (sachet) Dose per administration: 500 mg Timing for administration: Single oral administration on P1D1 or P2D1 according to randomization. Batch N°: 6810 (expiry date: 31.05.2019)

Drug: VGB-ST

Interventions

VGB-ST DRUG

Single oral administration of 500 mg VGB-ST

Also known as: vigabatrin soluble tablets, Kigabeq

Sabril; VGB-ST

Eligibility Criteria

• Age: 18 Years - 50 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64)

You may qualify if:

• Healthy male and female subject, aged between 18 and 50 years inclusive;
• Females of childbearing potential/Sexually active males with partner of childbearing potential: commitment to consistently and correctly use an acceptable method of birth control (oral, transdermal, systemic or implant contraception birth control, intrauterine devices, diaphragm, condoms or abstinence) for the duration of the trial and for 1 month after the last study drug administration; Females of non-childbearing potential: either surgically sterilized or at least 1 year postmenopausal (amenorrhoea duration at least 12 months);
• Non breast-feeding female and negative pregnancy test at screening baseline;
• Non-smoker subject or smoker of not more than 5 cigarettes per day;
• Body Mass Index (BMI) between 18,5 and 25 kg/m2 inclusive;
• Considered as healthy after a comprehensive clinical assessment (detailed medical history and complete physical examination);
• Normal Blood Pressure (BP) and Heart Rate (HR) at the screening visit after 10 minutes in supine position
• Normal ECG recording on a 12-lead ECG at the screening visit
• Laboratory parameters within the normal range of the laboratory (hematological, blood chemistry tests, urinalysis). Individual values out of the normal range could be accepted if judged clinically non relevant by the Investigator;
• Normal dietary habits;
• Signing a written informed consent prior to selection;
• Covered by Health Insurance System and / or in compliance with the recommendations of National Law in force relating to biomedical research.

You may not qualify if:

• Any history or presence of cardiovascular, pulmonary, gastro-intestinal, hepatic, renal, metabolic, haematological, neurologic, psychiatric, systemic, infectious disease or psychiatric disorders;
• Frequent headaches and / or migraine, recurrent nausea and / or vomiting;
• History of abnormal vision (e.g. reduced visual field, retinopathy, etc…);
• Evidence of any clinically significant acute or chronic disease;
• Symptomatic hypotension whatever the decrease of blood pressure or asymptomatic postural hypotension defined by a decrease in SBP or DBP equal to or greater than 20 mmHg within two minutes when changing from the supine to the standing position;
• Surgery or blood donation (including in the frame of a clinical trial) within 2 months before administration;
• General anaesthesia within 3 months before administration;
• Presence or history of drug hypersensitivity, asthma or allergic disease diagnosed and treated by a physician;
• Inability to abstain from intensive muscular effort;
• No possibility of contact in case of emergency;
• Any drug intake (except paracetamol or contraception) during the last month prior to the first administration;
• History or presence of drug or alcohol abuse (alcohol consumption \> 40 grams / day);
• Excessive consumption of beverages containing xanthine bases (\> 4 cups or glasses / day);
• Positive Hepatitis B surface (HBs) antigen or anti Hepatitis C Virus (HCV) antibody (not including HSV), or positive results for Human Immunodeficiency Virus (HIV) 1 or 2 tests;
• Positive results of screening for drugs of abuse;

Sponsors & Collaborators

• Orphelia Pharma: lead

Study Sites (1)

Eurofins Optimed

Gières, 38610, France

Location

Study Officials

• PharmD PharmD, PhD

  Orphelia Pharma

  STUDY DIRECTOR

Study Design

• Study Type: interventional
• Phase: phase 1
• Allocation: RANDOMIZED
• Masking: NONE
• Purpose: TREATMENT
• Intervention Model: CROSSOVER
• Sponsor Type: INDUSTRY
• Responsible Party: SPONSOR

Model Details: The study was an open label, randomized, crossover, 2 periods study in 20 healthy male/female volunteers. Subjects received 500 mg of the new formulation of soluble tablets vigabatrin or Sabril TM, as single oral administration in 2 different study periods depending on the randomization, with a 7-days wash out period between administrations.

Study Record Dates

• First Submitted: March 27, 2020
• First Posted: July 13, 2020
• Study Start: April 4, 2017
• Primary Completion: August 8, 2017
• Study Completion: August 8, 2017
• Last Updated: July 13, 2020

Record last verified: 2020-07

Data Sharing

• IPD Sharing: Will not share

Locations

FR (1)