Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT00838058 · ClinicalTrials.gov registry record · Phase 1
A Study in Normal Healthy People, Testing Different Versions of a Pill That Will be Used to Treat Rheumatoid Arthritis.
A Phase 1 study, sponsored by Pfizer.
- Completed
- Registry status
- Phase 1
- Development phase
- 11
- Enrollment target
NCT00838058: Completed Phase 1 study, sponsored by Pfizer.
NCT00838058 is a Phase 1 study that has completed, run by Pfizer. The registered enrollment target is 11 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (82% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00838058, a Phase 1 study, has completed, sponsored by Pfizer.
- COMPLETED
- Registry status
- Phase 1
- Development phase
- 11 participants
- Enrollment target
Study Summary
The study will try, in 2 separate parts, each using 12 research subjects, to see how a new form of the pill CE 224,535 gets released into the bloodstream and whether that is affected by food. In each part, subjects will switch among 4 treatment periods to take either different forms of the pill(s) or the same form either after fasting or eating a meal. The second part will only happen depending on whether the sponsor believes it is needed and will use separate subject than the first part.
Interventions
- DRUG CE-224,535
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 11 participants |
| Start Date | 2009-01 |
| Est. Completion | 2009-03 |
| Phase | Phase 1 |
What the finished NCT00838058 record still lists
NCT00838058 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 11 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (82% lower).
The record links to 0 conditions, and to 1 intervention - of which CE-224,535 is the first listed.
NCT00838058 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00838058 about?
NCT00838058 is a clinical study titled "A Study in Normal Healthy People, Testing Different Versions of a Pill That Will be Used to Treat Rheumatoid Arthritis.". The study will try, in 2 separate parts, each using 12 research subjects, to see how a new form of the pill CE 224,535 gets released into the bloodstream and whether that is affected by food. In each part, subjects will switch among 4 treatment periods to take either different forms of the pill(s) o...
What is the current status of trial NCT00838058?
This trial is currently completed. It is a Phase 1 study. The enrollment target is 11 participants. The study started on 2009-01. Estimated completion is 2009-03.
What interventions are being tested in trial NCT00838058?
The interventions under investigation include: CE-224,535 (DRUG).
Who is sponsoring clinical trial NCT00838058?
This trial is sponsored by Pfizer, which has 1,845 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00838058's enrollment target sits among peer trials
11 1911th of 2000 higher than 88 of 2,000 other Phase 1 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
Nationwide trials with similar profiles
Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.
Similar enrollment target
- NCT03114462 · 11 participants · Phase 1
Trial of Stereotactic HYpofractionateD RadioAblative (HYDRA) Treatment of Laryngeal Cancer
- NCT06039709 · 11 participants · Phase 1
Sonodynamic Therapy in Patients With Recurrent GBM
- NCT06425380 · 11 participants · NA
Pilot Open-Label Trial of Resistant Potato Starch in Patients With Cirrhosis and Overt Hepatic Encephalopathy
- NCT06472661 · 11 participants · Early Phase 1
FUSA With Intratumoral PolyICLC in Regionally Advanced Resectable Melanoma
Similar registry start date
- NCT05988463 · started 2027-01-01 · Phase 1
Dose-Escalation Study of Artesunate Patients With IPF
- NCT07219706 · started 2026-12-10 · NA
Dietary Fiber and Time Restricted Eating
- NCT02831335 · started 2026-12-01
Technical Development of Multi-Parametric Renocerebral MRI
- NCT05962346 · started 2026-12 · NA
Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia