World Health Organization site
Skip Navigation Links

Main
Note: This record shows only 22 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: ClinicalTrials.gov
Last refreshed on: 12 December 2020
Main ID:  NCT01051960
Date of registration: 19/01/2010
Prospective Registration: No
Primary sponsor: University of California, Los Angeles
Public title: Exercise Induced Pulmonary Hypertension in Systemic Sclerosis and Treatment With Ambrisentan
Scientific title: Exercise Induced Pulmonary Hypertension in Systemic Sclerosis and Treatment With Ambrisentan: A Prospective Single Center, Open Label, Pilot Study
Date of first enrolment: March 2009
Target sample size: 12
Recruitment status: Completed
URL:  https://clinicaltrials.gov/show/NCT01051960
Study type:  Interventional
Study design:  Allocation: N/A. Intervention model: Single Group Assignment. Primary purpose: Treatment. Masking: None (Open Label).  
Phase:  Phase 4
Countries of recruitment
United States
Contacts
Name:     Rajeev Saggar, MD
Address: 
Telephone:
Email:
Affiliation:  University of California, Los Angeles
Name:     Dinesh Khanna, MD
Address: 
Telephone:
Email:
Affiliation:  University of California, Los Angeles
Key inclusion & exclusion criteria

Inclusion Criteria:

1. Systemic Sclerosis diagnosed by the American College of Rheumatology consensus
statement including any of the following:

- Limited

- Diffuse

- Sine Scleroderma

2. Patients must be willing and able to undergo right heart catheterization with lower
extremity cycle ergometry

3. Mean pulmonary artery pressure (mPAP) > 30mmHg with exercise; PCWP = 15mmHg on RHC at
rest

4. Men and women, ages 18 years of age or older

5. Standard adjunctive medications will be allowed concurrently in this study at the
discretion of the treating pulmonologist and rheumatologist, including digoxin,
diuretics, anticoagulants (e.g. warfarin), stable immunosuppression or other
anti-fibrotic therapy for at least one month prior to enrollment

Exclusion Criteria:

1. Resting PAH (mPAP > 25mmHg) on right heart catheterization

2. Other known causes of PAH including prior venous thromboembolism, HIV infection,
chronic liver disease with portal hypertension, left ventricular systolic dysfunction
(e.g. LVEF < 40%), and congenital causes of PAH

3. Severe hepatic disease precluding the use of ambrisentan (AST/ALT =3x ULN).

4. Women who are pregnant or breastfeeding.

5. Concurrent therapy with a prostanoid or prostanoid analogue, PDE5 inhibitors, or
enrolled in another active clinical study.

6. Use of any prostacyclin or endothelial receptor antagonist (ERA) within 30 days before
study entry.

7. Bed or wheel chair bound or a baseline 6-Minute Walk distance (6MWD) less than 150
meters.

8. Childbearing capable women who are unwilling or unable to use an acceptable method to
avoid pregnancy for the entire study period.

9. New York Heart Association (NYHA) Classification: Class IV

10. Renal dysfunction (serum creatinine >2.5mg/dL).

11. Uncontrolled sleep apnea.



Age minimum: 18 Years
Age maximum: 80 Years
Gender: All
Health Condition(s) or Problem(s) studied
Pulmonary Hypertension
Shortness of Breath
Systemic Sclerosis
Intervention(s)
Drug: Ambrisentan
Primary Outcome(s)
Change in Exercise Pulmonary Hemodynamics From Baseline to Week 24 [Time Frame: 24 weeks]
Secondary Outcome(s)
St. George's Respiratory Questionnaire [Time Frame: 24 weeks]
Quality of Life (QOL) Based on SF36 and HAQ-DI [Time Frame: 24 weeks]
HAQ-DI (Health Assessment Questionnaire Disability Index) [Time Frame: 24 weeks]
Change in Distance Walked in Six Minutes From Baseline to 24 Week [Time Frame: 24 weeks]
Secondary ID(s)
10-000567
Source(s) of Monetary Support
Please refer to primary and secondary sponsors
Secondary Sponsor(s)
Gilead Sciences
Ethics review
Results
Results available: Yes
Date Posted: 02/11/2020
Date Completed:
URL: https://clinicaltrials.gov/ct2/show/results/NCT01051960
Disclaimer: Trials posted on this search portal are not endorsed by WHO, but are provided as a service to our users. In no event shall the World Health Organization be liable for any damages arising from the use of the information linked to in this section. None of the information obtained through use of the search portal should in any way be used in clinical care without consulting a physician or licensed health professional. WHO is not responsible for the accuracy, completeness and/or use made of the content displayed for any trial record.
Copyright - World Health Organization - Version 3.6 - Version history