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NCT00424333 · ClinicalTrials.gov registry record · Phase 3

Six Month Clinical Trial Assessing Efficacy and Safety of Inhaled Insulin in Type 1 Diabetes

A Phase 3 study, sponsored by Pfizer.

Completed
Registry status
Phase 3
Development phase
320
Enrollment target

NCT00424333: Completed Phase 3 study, sponsored by Pfizer.

NCT00424333 is a Phase 3 study that has completed, run by Pfizer. The registered enrollment target is 320 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (59% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00424333, a Phase 3 study, has completed, sponsored by Pfizer.

COMPLETED
Registry status
Phase 3
Development phase
320 participants
Enrollment target

Study Summary

To determine in subjects with Type 1 Diabetes Mellitus: 1. Whether glycemic control can be achieved at least as effectively with a) an intensive insulin regimen involving pre-meal inhaled insulin plus twice daily subcutaneous NPH insulin as with b) an intensive subcutaneous insulin regimen involving pre-meal regular insulin plus twice daily NPH, given as 4 injections per day. The treatment regimens differ only by the route of delivery of the short acting insulin. 2. The toleration and safety of inhaled insulin therapy and its effects after 6months, if any, on measures of pulmonary function.

Interventions

  • DRUG Inhaled human insulin

Trial Details

FieldValue
Enrollment Target 320 participants
Start Date 1999-05
Est. Completion 2000-10
Phase Phase 3
Pfizer

1,845 total trials

What the finished NCT00424333 record still lists

NCT00424333 is an interventional study that assigns participants to a tested intervention. The registered 320 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (59% lower).

The record links to 0 conditions, and to 1 intervention - of which Inhaled human insulin is the first listed.

NCT00424333 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00424333 about?

NCT00424333 is a clinical study titled "Six Month Clinical Trial Assessing Efficacy and Safety of Inhaled Insulin in Type 1 Diabetes". To determine in subjects with Type 1 Diabetes Mellitus: 1. Whether glycemic control can be achieved at least as effectively with a) an intensive insulin regimen involving pre-meal inhaled insulin plus twice daily subcutaneous NPH insulin as with b) an intensive subcutaneous insulin regimen involvin...

What is the current status of trial NCT00424333?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 320 participants. The study started on 1999-05. Estimated completion is 2000-10.

What interventions are being tested in trial NCT00424333?

The interventions under investigation include: Inhaled human insulin (DRUG).

Who is sponsoring clinical trial NCT00424333?

This trial is sponsored by Pfizer, which has 1,845 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00424333's enrollment target sits among peer trials

320 1082nd of 2000 higher than 914 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 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

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Source: ClinicalTrials.gov NCT00424333, the US trial registry maintained by the National Library of Medicine. NCT00424333 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.