A Study to Learn How the Study Medicine Called Etrasimod is Taken up Into Blood and Breastmilk of Healthy Breastfeeding Women
← catalyst calendarNCT07153159 · readout in 24 d
Sponsored by Pfizer (industry) · PFE — their whole pipeline →.
Phase
Phase 1
Status
Recruiting
Study type
Interventional
Design
Non randomized · None · Basic science
Enrollment
8estimated
Sites
1
Country
Belgium
Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →
Source: ClinicalTrials.gov, retrieved 2026-08-19
Dates
each axis at the precision it was filed, with the registry's own basis| Date | Filed | Basis | What it is |
|---|---|---|---|
| Start | 2025-08-07 | actual | When the study began enrolling |
| Primary completion | 2026-09-12 | estimated | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | 2026-10-12 | estimated | The whole study's end, after follow-up |
| First posted | 2025-09-03 | actual | When this record first appeared on the registry |
| Results posted | — | When the sponsor posted results to the registry | |
| Record updated | 2026-04-07 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Condition
- Healthy Participant
Intervention
- Drug: Etrasimod
Primary outcomes
what the primary-completion date above is the date OFArea under the etrasimod concentration-time curve in breast milk
measured Baseline (Day -1), Day 1, Day 7 and Day 8.
Maximum observed concentration of etrasimod in breast milk
measured Baseline (Day -1), Day 1, Day 7 and Day 8.
Amount of etrasimod excreted in breast milk
measured Baseline (Day -1), Day 1, Day 7 and Day 8.
Percent of etrasimod dose excreted in breast milk
measured Baseline (Day -1), Day 1, Day 7 and Day 8.
Breast milk clearance of etrasimod
measured Baseline through Day 8
Time to maximum observed concentration of etrasimod
measured Baseline (Day -1), Day 1, Day 7 and Day 8.
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