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Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/ct2/show/NCT05635110




Registration number
NCT05635110
Ethics application status
Date submitted
22/11/2022
Date registered
2/12/2022
Date last updated
20/03/2024

Titles & IDs
Public title
Evaluation of the Effects of Omeprazole and Rifampin on the Pharmacokinetics of VX-548 in Healthy Participants
Scientific title
A Phase 1, Open-label Drug-drug Interaction Study to Evaluate the Effects of Omeprazole and Rifampin on the Pharmacokinetics of VX-548 in Healthy Subjects
Secondary ID [1] 0 0
VX22-548-013
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Pain 0 0
Condition category
Condition code

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Treatment: Drugs - VX-548
Treatment: Drugs - Omeprazole
Treatment: Drugs - Rifampin

Experimental: Part A - Participants will receive a single dose of VX-548 on Day 1 and a single dose of omeprazole once daily (qd) on Days 10 through Day 12. On Day 13, participants will receive omeprazole followed by VX-548 under fasted conditions.

Experimental: Part B - Participants will receive a single dose of VX-548 on Day 1 followed by rifampin qd on Days 10 through Day 27. On Day 19, participants will be co-administered rifampin and VX-548 under fasted conditions.


Treatment: Drugs: VX-548
Tablets for oral administration.

Treatment: Drugs: Omeprazole
Tablets for oral administration.

Treatment: Drugs: Rifampin
Capsules for oral administration.
Intervention code [1] 0 0
Treatment: Drugs
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
Part A: Maximum Observed Plasma Concentration (Cmax) of VX-548 and its Metabolite in the Absence and Presence of Omeprazole
Timepoint [1] 0 0
Day 1 up to Day 22
Primary outcome [2] 0 0
Part A: Area Under the Concentration Versus Time Curve From the Time of Dosing Extrapolated to Infinity (AUC0-inf) of VX-548 and its Metabolite in the Absence and Presence of Omeprazole
Timepoint [2] 0 0
Day 1 up to Day 22
Primary outcome [3] 0 0
Part B: Maximum Observed Plasma Concentration (Cmax) of VX-548 and its Metabolite in the Absence and Presence of Rifampin
Timepoint [3] 0 0
Day 1 up to Day 28
Primary outcome [4] 0 0
Part B: Area Under the Concentration Versus Time Curve From the Time of Dosing Extrapolated to Infinity (AUC0-inf) of VX-548 and its Metabolite in the Absence and Presence of Rifampin
Timepoint [4] 0 0
Day 1 up to Day 28
Secondary outcome [1] 0 0
Part A:Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)
Timepoint [1] 0 0
Day 1 through Safety Follow-up Visit (up to 28 days)
Secondary outcome [2] 0 0
Part B: Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)
Timepoint [2] 0 0
Day 1 through Safety Follow-up Visit (up to 34 days)

Eligibility
Key inclusion criteria
Key

- Body mass index (BMI) of 18.0 to 32.0 kilogram per meter square (kg/m^2)

- A total body weight greater than (>) 50 kg

Key
Minimum age
18 Years
Maximum age
55 Years
Sex
Both males and females
Can healthy volunteers participate?
Yes
Key exclusion criteria
- History of febrile illness or other acute illness that has not fully resolved within
14 days before the first dose of study drug

- Any condition possibly affecting drug absorption

- History of cardiovascular disease

- Participants of child-bearing potential

Other protocol defined Inclusion/Exclusion criteria may apply.

Study design
Purpose of the study
Basic Science
Allocation to intervention
Non-randomised trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Open (masking not used)
Who is / are masked / blinded?



Intervention assignment
Parallel
Other design features
Phase
Phase 1
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Completed
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
15/12/2022
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
8/06/2023
Sample size
Target
Accrual to date
Final
31
Recruitment in Australia
Recruitment state(s)
Recruitment hospital [1] 0 0
CMAX Clinical Research - Adelaide
Recruitment postcode(s) [1] 0 0
- Adelaide

Funding & Sponsors
Primary sponsor type
Commercial sector/Industry
Name
Vertex Pharmaceuticals Incorporated
Address
Country

Ethics approval
Ethics application status

Summary
Brief summary
The purpose of this study is to evaluate the pharmacokinetics and safety of VX-548 and its
metabolite in the absence and presence of omeprazole or rifampin, in healthy participants.
Trial website
https://clinicaltrials.gov/ct2/show/NCT05635110
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for scientific queries