Study Evaluating the Safety, Pharmacokinetics, and Pharmacodynamics of SAM-531 in Healthy Young and Elderly Subjects

An Ascending Multiple Dose Study of the Safety, Pharmacokinetics (PK), and Pharmacodynamics (PD) of SAM-531 Administered Orally to Healthy Young and Elderly Subjects

Status

Completed

Phases

Phase 1

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT00480818

Enrollment

Registered

2007-05-31

Start date

2006-09-30

Completion date

2007-07-31

Last updated

2007-12-11

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

Conditions

Alzheimer Disease

Brief summary

To assess the safety and tolerability of ascending multiple oral doses of SAM-531, an investigational drug, in healthy young adult and elderly subjects.To assess the pharmacokinetics (PK) and pharmacodynamics (PD) profiles of multiple oral doses of SAM-531 in healthy young adult and elderly subjects.

Interventions

DRUGSAM-531

Study design

Allocation

RANDOMIZED

Intervention model

SINGLE_GROUP

Primary purpose

TREATMENT

Masking

DOUBLE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Yes

Inclusion criteria

: * Men or women of nonchildbearing potential aged 18 to 45 years * Elderly men or women aged 65 years and above as of study day 1. * Body mass index in the range of 18 to 30 kg/m2 and body weight ≥50 kg. Body weight for elderly subjects must be ≥45 kg.

Exclusion criteria

* Any significant cardiovascular, hepatic, renal, respiratory, gastrointestinal, endocrine, immunologic, dermatologic, hematologic, neurologic, or psychiatric disease. * Any clinically important deviation from normal limits in physical examination, vital signs, digital 12-lead ECGs, or clinical laboratory test results. * Tobacco use or the consumption of any caffeine-containing products (e.g., coffee, tea, chocolate, or soda) or alcoholic beverages within 48 hours before study day 1, or grapefruit or grapefruit-containing products 72 hours before study day 1, and until the end of the inpatient confinement period. * Elderly men or women aged 65 years and above as of study day 1. * Body mass index in the range of 18 to 30 kg/m2 and body weight ≥50 kg. Body weight for elderly subjects must be ≥45 kg.

Design outcomes

Primary

Measure	Time frame
Safety and tolerability	—

Secondary

Measure	Time frame
Pharmacokinetics and pharmacodynamics	—

Countries

France

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026