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Terminated Phase 4 Interventional Results available

A Trial of Pulmozyme Withdrawal on Exercise Tolerance in Cystic Fibrosis Subjects With Severe Lung Disease (TOPIC)

ClinicalTrials.gov ID: NCT00434278

Public ClinicalTrials.gov record NCT00434278. 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 Jun 26, 2026, 3:06 AM EDT

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

Official title

A Multicenter, Randomized, Double-Blind, Placebo-Controlled Trial of Pulmozyme Withdrawal on Exercise Tolerance in Cystic Fibrosis Subjects With Severe Lung Disease

Study identification

NCT ID
NCT00434278
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 4
Lead sponsor
Genentech, Inc.
Industry
Enrollment
27 participants

Conditions and interventions

Interventions

  • Dornase alfa Drug
  • placebo Drug

Drug

Eligibility (public fields only)

Age range
14 Years and older
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
Feb 28, 2007
Primary completion
Oct 31, 2008
Completion
Oct 31, 2008
Last update posted
May 15, 2017

2007 – 2008

United States locations

U.S. sites
40
U.S. states
22
U.S. cities
39
Facility City State ZIP Site status
University of Alabama Birmingham Alabama 35233
Childrens Hospital of LA Los Angeles California 90027
USC Adult CF Center Los Angeles California 90033
CHOC Orange California 92868
Capital Allergy Resp Dis Ctr Sacramento California 95819
Ventura County Medical Ctr Ventura California 93003
Nat'l Jewish Med/Research Ctr Denver Colorado 80206
Pulm & Critical Care Assoc Jacksonville Florida 32204
Univ of Miami Miami Florida 33136
Central Florida Pulmonary Grou Orlando Florida 32803
Brown Univ School of Medicine Atlanta Georgia 30322
Medical College of Georgia Augusta Georgia 30912
Rush Medical Center Chicago Illinois 60612
Univ of Kentucky Med Ctr Lexington Kentucky 40536
Univ of Michigan Hlth System Ann Arbor Michigan 48109-5212
Wayne State University Detroit Michigan 48201
Spectrum Hospital Grand Rapids Michigan 49503
Michigan State University Kalamazoo Michigan 49008
Univ of Minnesota Dept of Derm Minneapolis Minnesota 55455
University of Mississippi Jackson Mississippi 39216-4505
Pulmonary & Critical Care Med St Louis Missouri 63110
Children's Lung Specialist Las Vegas Nevada 89107
Monmouth Medical Center Long Branch New Jersey 07740
Morristown Memorial Hospital Morristown New Jersey 07962
St. Peters Univ Hospital New Brunswick New Jersey 08901
University of New Mexico Albuquerque New Mexico 87131-0001
Albany Medical College Albany New York 12208
Long Island Jew Adult CF Ctr New Hyde Park New York 11040
SUNY Upstate Medical Univ Syracuse New York 13210
Duke Pediatric Clinical Durham North Carolina 27710
Rainbow Babies & Child Hosp Cleveland Ohio 44106
Toledo Childrens Hospital Toledo Ohio 43606
Santiago Reyes MD-Private Prac Oklahoma City Oklahoma 73112
CF Solutions, Inc Tulsa Oklahoma 74145
University of Pittsburgh Pittsburgh Pennsylvania 15260
Medical Univ of South Carolina Charleston South Carolina 29425
Pediatric Pulmonary Assoc Columbia South Carolina 29203
Baylor College of Medicine Houston Texas 77030
Alamo Clinical Research Assoc San Antonio Texas 78212
W Virginia Univ Health Sci Ctr Morgantown West Virginia 26506

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00434278, 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 May 15, 2017 · Synced Jun 26, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00434278 live on ClinicalTrials.gov.

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