Drug-Drug Interaction Between DW4421 and Amoxicillin/Clarithromycin
A Phase 1 Clinical Trial to Evaluate the Safety and the Pharmacokinetics Drug-drug Interaction of DW4421 and Amoxicillin/Clarithromycin in Healthy Adult Volunteers
1 other identifier
interventional
36
1 country
1
Brief Summary
Drug-Drug Interaction between DW4421 and Amoxicillin/Clarithromycin
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_1
Started Feb 2026
Shorter than P25 for phase_1
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
January 27, 2026
CompletedStudy Start
First participant enrolled
February 1, 2026
CompletedFirst Posted
Study publicly available on registry
February 3, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 1, 2026
CompletedStudy Completion
Last participant's last visit for all outcomes
October 1, 2026
ExpectedFebruary 4, 2026
February 1, 2026
3 months
January 27, 2026
February 2, 2026
Conditions
Outcome Measures
Primary Outcomes (2)
Cmax,ss: Maximum concentration of DW4421, DW4421-1 and DW4421-2 at steady state
Up to day 6 or day 7
AUCτ,ss: Area under the drug concentration-time curve of DW4421, DW4421-1, DW4421-2 within a dosing interval at steady state
Up to day 6 or day 7
Study Arms (6)
Sequence 1
EXPERIMENTALA-B-C (A: DW4421 1T bid; B: DW4421-1 2C bid + DW4421-2 1T bid; C: DW4421 1T bid + DW4421-1 2C bid + DW4421-2 1T bid)
Sequence 2
EXPERIMENTALA-C-B (A: DW4421 1T bid; B: DW4421-1 2C bid + DW4421-2 1T bid; C: DW4421 1T bid + DW4421-1 2C bid + DW4421-2 1T bid)
Sequence 3
EXPERIMENTALB-A-B (A: DW4421 1T bid; B: DW4421-1 2C bid + DW4421-2 1T bid; C: DW4421 1T bid + DW4421-1 2C bid + DW4421-2 1T bid)
Sequence 4
EXPERIMENTALB-C-A (A: DW4421 1T bid; B: DW4421-1 2C bid + DW4421-2 1T bid; C: DW4421 1T bid + DW4421-1 2C bid + DW4421-2 1T bid)
Sequence 5
EXPERIMENTALC-A-B (A: DW4421 1T bid; B: DW4421-1 2C bid + DW4421-2 1T bid; C: DW4421 1T bid + DW4421-1 2C bid + DW4421-2 1T bid)
Sequence 6
EXPERIMENTALC-B-A (A: DW4421 1T bid; B: DW4421-1 2C bid + DW4421-2 1T bid; C: DW4421 1T bid + DW4421-1 2C bid + DW4421-2 1T bid)
Interventions
1 tablet will be orally administered
2 capsules will be orally administered
1 tablet will be orally administered
Eligibility Criteria
You may qualify if:
- Healthy adult aged 19 to 50 (inclusive) years, at the time of screening.
- Subjects weighing between 50 kg and 90 kg with BMI between 18 and 27 kg/m2 (inclusive) at screening visit.
You may not qualify if:
- Those who have clinical significant liver, kidney, nervous system, respiratory, endocrine, hematology and oncology, cardiovascular, urinary, and mental diseases or past history.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Chungbuk National University Hospital
Cheongju-si, North Chungcheong, South Korea
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- BASIC SCIENCE
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 27, 2026
First Posted
February 3, 2026
Study Start
February 1, 2026
Primary Completion
May 1, 2026
Study Completion (Estimated)
October 1, 2026
Last Updated
February 4, 2026
Record last verified: 2026-02