Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 3 Interventional

Six Month Clinical Trial Assessing Efficacy And Safety Of Inhaled Insulin In Type 1 Diabetes Mellitus.

ClinicalTrials.gov ID: NCT00424437

Public ClinicalTrials.gov record NCT00424437. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 29, 2026, 11:39 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Efficacy and Safety of Inhaled Compared With Subcutaneous Human Insulin Therapy in Subjects With Type 1 Diabetes Mellitus: A Six-Month, Outpatient, Parallel Comparative Trial

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

To determine, in subjects with Type 1 Diabetes Mellitus: 1. Whether glycemic control can be achieved at least as effectively with an insulin regimen involving pre-meal inhaled insulin plus a single bedtime Ultralente injection as with a conventional subcutaneous insulin regimen involving 2-3 mixed Regular/NPH insulin injections per day. 2. The toleration and safety of inhaled insulin therapy and its effects after 6 months, if any, on measures of pulmonary function.

Study identification

NCT ID
NCT00424437
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Pfizer
Industry
Enrollment
320 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
12 Years to 65 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 1999 (Type not available)
Primary completion
Not listed
Completion
Sep 2000 (Type not available)
Last update posted
Feb 13, 2007

1999 – 2000

United States locations

U.S. sites
29
U.S. states
16
U.S. cities
29
Facility City State ZIP Site status
Pfizer Investigational Site Burlingame California — —
Pfizer Investigational Site Irvine California — —
Pfizer Investigational Site Newport Beach California — —
Pfizer Investigational Site San Diego California — —
Pfizer Investigational Site San Francisco California — —
Pfizer Investigational Site Tustin California — —
Pfizer Investigational Site Hartford Connecticut — —
Pfizer Investigational Site Washington D.C. District of Columbia — —
Pfizer Investigational Site Atlanta Georgia — —
Pfizer Investigational Site Stockbridge Georgia — —
Pfizer Investigational Site Chicago Illinois — —
Pfizer Investigational Site Lexington Kentucky — —
Pfizer Investigational Site Columbia Missouri — —
Pfizer Investigational Site St Louis Missouri — —
Pfizer Investigational Site Omaha Nebraska — —
Pfizer Investigational Site Albuquerque New Mexico — —
Pfizer Investigational Site Buffalo New York — —
Pfizer Investigational Site Manhasset New York — —
Pfizer Investigational Site New Hyde Park New York — —
Pfizer Investigational Site New York New York — —
Pfizer Investigational Site Greenville North Carolina — —
Pfizer Investigational Site Cleveland Ohio — —
Pfizer Investigational Site Portland Oregon — —
Pfizer Investigational Site Austin Texas — —
Pfizer Investigational Site Dallas Texas — —
Pfizer Investigational Site Irving Texas — —
Pfizer Investigational Site San Antonio Texas — —
Pfizer Investigational Site Charlottesville Virginia — —
Pfizer Investigational Site Renton Washington — —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 7 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00424437, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Feb 13, 2007 · Synced Oct 29, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00424437 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →