Comparative Bioavailability Study of Carbidopa/Levodopa Extended-Release Tablets Under Fasting and Fed Conditions
An Open-label, Balanced, Randomized, Five-treatment, Five-period, Five-sequence, Multiple Oral Dose, Crossover Comparative Bioavailability Study of Different Strengths of Carbidopa/Levodopa Extended-release Tablets With Carbidopa and Levodopa Tablets in Normal, Healthy Adult Human Subjects Under Fasting and Fed Conditions
1 other identifier
interventional
15
1 country
1
Brief Summary
It is an open-label, balanced, randomized, five-treatment, five-period, five-sequence, multiple oral dose, crossover comparative bioavailability study of different strengths of carbidopa/levodopa extended-release tablets with carbidopa and levodopa tablets in normal, healthy adult human subjects under fasting and fed conditions. The primary objective of the study is to compare the pharmacokinetic profiles between WD-1603 extended-release formulations and carbidopa and levodopa tablets 25mg/100mg following three times a day after oral administration in fasting and fed conditions in healthy subjects and to compare relative bioavailability between treatments.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_1 parkinson-disease
Started Oct 2021
Shorter than P25 for phase_1 parkinson-disease
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
October 27, 2021
CompletedStudy Start
First participant enrolled
October 29, 2021
CompletedFirst Posted
Study publicly available on registry
November 19, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 25, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
March 25, 2022
CompletedNovember 19, 2021
October 1, 2021
3 months
October 27, 2021
November 10, 2021
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Cmax of the pharmacokinetics of WD-1603 extended-release formulations and carbidopa and levodopa tablets 25mg/100mg from the morning of day 1 to the morning of day 2.
To evaluate Cmax (Maximum Plasma Concentration) of the pharmacokinetics of WD-1603 extended-release formulations and carbidopa and levodopa tablets 25mg/100mg following three times a day after oral administration in fasting and fed conditions in healthy subjects.
24 hours-from morning of Day 1 to morning of Day 2
The duration (hours) for the levodopa concentrations ≥ 50% of Cmax between WD-1603 extended-release formulations and carbidopa and levodopa tablets following three times a day orally administration in healthy subjects.
To compare the duration (hours) for the levodopa concentrations ≥ 50% of Cmax, where maximum measured plasma concentration after 1st dose or 2nd or 3rd dose for each dose interval.
24 hours-from morning of Day 1 to morning of Day 2
Study Arms (5)
25 mg /100 mg treatment A group
EXPERIMENTALTreatment A: carbidopa/levodopa (25 mg /100 mg)
25 mg /150 mg treatment B group
EXPERIMENTALTreatment B: carbidopa/levodopa (25 mg/150mg)
25 mg /150 mg treatment C group
EXPERIMENTALTreatment C: carbidopa/levodopa (25 mg /150 mg)
25 mg /150 mg treatment D group
EXPERIMENTALTreatment D: carbidopa/levodopa (25 mg /150 mg)
25 mg /100 mg placebo group
PLACEBO COMPARATORTreatment E(Reference): Carbidopa and Levodopa tablets (a generic version of Sinemet® IR) 25 mg/100 mg
Interventions
For fasting conditions in the morning, a single oral dose will be administered to each subject under fasting conditions before 5 minutes of serving a standardized vegetarian breakfast as per the randomization schedule; for fasting conditions in the afternoon and evening, a single oral dose will be administered to each subject under fasting condition before 5 minutes of serving standardized vegetarian lunch and dinner as per randomization schedule. For fed condition, single oral dose will be administered to each subject after 30 minutes of serving standardized vegetarian breakfast, lunch and dinner as per randomization schedule. Dosing interval between two subsequent dosing should be 5 hours in each period. There will be one tablet for A, B, C, D and E.
Eligibility Criteria
You may qualify if:
- Normal, healthy adult human volunteers between 18 to 45 years of age (both inclusive).
- Having a Body Mass Index (BMI) between 18.5 to 29.9 (both inclusive), calculated as weight in kg/ height in m2, a minimum body weight of 50.0 kg.
- Not having any significant disease or clinically significant abnormal findings during screening, medical history, clinical examination, laboratory evaluations, 12- lead ECG, and X-ray chest (P/A view) recordings.
- In the case of female subjects:
- a. Surgically sterilized at least 6 months prior to study participation or If of childbearing potential is willing to use a suitable and effective double barrier contraceptive method or intra-uterine device during the study and for at least 28 days after the last study drug administration.
- And b. Serum Pregnancy test must be negative.
You may not qualify if:
- Known hypersensitivity or idiosyncratic reaction to Carbidopa or Levodopa or any of the excipients or any related drug.
- History or presence of any disease or condition which might compromise the hemopoietic, renal, hepatic, endocrine, pulmonary, central nervous, cardiovascular, immunological, dermatological, gastrointestinal, or any other body system.
- Ingestion of a medicine (prescribed \& over the counter (OTC) medication including herbal remedies and MAO inhibitors) at any time within 30 days before first dosing in Period I. In any such case, subject selection will be at the discretion of the Principal Investigator.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Lambda Therapeutic Research Ltd.
Ahmedabad, Gujarat, 382481, India
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Akash Patel, M.D.
Lambda Therapeutic Research Ltd.
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
October 27, 2021
First Posted
November 19, 2021
Study Start
October 29, 2021
Primary Completion
January 25, 2022
Study Completion
March 25, 2022
Last Updated
November 19, 2021
Record last verified: 2021-10
Data Sharing
- IPD Sharing
- Will not share