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A Study to Evaluate Single and Multiple Doses of SEP-631 in Healthy Adult Volunteers

A Phase 1, Double-Blind, Randomized, Placebo-Controlled, Single and Multiple Ascending Dose Study to Evaluate the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Food Effect of SEP-631 in Healthy Adult Volunteers

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07069036
Enrollment
120
Registered
2025-07-16
Start date
2025-07-15
Completion date
2025-12-18
Last updated
2026-04-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy Volunteers

Brief summary

The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics, and food effects of oral SEP-631 in healthy adult volunteers.

Interventions

DRUGSEP-631

Oral, tablet

OTHERPlacebo

Oral, tablet

Sponsors

Septerna, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 60 Years
Healthy volunteers
Yes

Inclusion criteria

1. Subjects who are able and willing to provide informed consent 2. Aged 18 to 60 years at the time of consent 3. Have a BMI within the range 18.5 to 32.0 kg/m2 4. In general good health

Exclusion criteria

1. Any condition, which in the investigator's opinion might jeopardize participant's safety or compliance with the protocol. 2. Have a history of any severe allergic reaction or anaphylaxis 3. Have clinically significant abnormalities on clinical laboratory results. 4. Participation in other clinical trials recently/currently

Design outcomes

Primary

MeasureTime frame
Frequency of treatment emergent adverse eventsFrom enrollment to end of follow up visit, up to approximately 2 months

Secondary

MeasureTime frameDescription
Plasma PK of SEP-631 after single and multiple dosesFrom enrollment to end of treatment period, up to approximately 14 daysMaximum Plasma Concentration (Cmax) of SEP-631
Plasma PK of SEP-631 under fed and fasted conditionsFrom enrollment to end of treatment period, up to approximately 14 daysMaximum Plasma Concentration (Cmax) of SEP-631

Countries

Australia

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Apr 22, 2026