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A Phase I, Multiple Dose Study of PF-04447943 in Healthy Elderly Volunteers

An Investigator And Subject-Blind, Phase 1 Study To Characterize The Safety, Tolerability, Pharmacokinetics, And Pharmacodynamics Of Multiple Doses Of PF-04447943 In Healthy Elderly Subjects

Status
Terminated
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00736528
Enrollment
10
Registered
2008-08-18
Start date
2008-08-31
Completion date
2008-09-30
Last updated
2009-02-25

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

Conditions

Elderly, Healthy

Keywords

safety, tolerability, pharmacokinetics, cognition

Brief summary

To describe the safety, tolerability and pharmacokinetics of PF-04447943 after administration of multiple, ascending, oral doses to healthy elderly subjects.

Detailed description

Additional Study Purpose Details: Phase I safety and pharmacokinetics study. Detailed Description: The study was terminated on 11/12/2008. There were no safety findings in this trial that resulted in the decision to terminate the trial. The study was closed in order to change the amount of drug that subjects would take and to shorten the number of days that the drug would be taken in a new study.

Interventions

05 mg BID for 14 days

DRUGPlacebo

Placebo for 14 days

Sponsors

Pfizer
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
65 Years to 85 Years
Healthy volunteers
Yes

Inclusion criteria

* Healthy * Elderly * 65-85

Exclusion criteria

* Evidence or history of clinically significant unstable disease

Design outcomes

Primary

MeasureTime frame
Primary Safety: Adverse events, change from baseline in vital signs, triplicate ECG, clinical safety laboratory endpoints14 days
Pharmacokinetic endpoints will include plasma PF 04447943 AUCt, Cmax and Tmax14 days

Secondary

MeasureTime frame
Changes in cognition from baseline14 days

Countries

United States

Outcome results

None listed

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