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Study of Rituxan in PAH

Trial Focus

Trial Focus

Lungs & Respiratory


To compare patients with systemic sclerosis-associated pulmonary arterial hypertension treated with rituximab to those on placebo in pulmonary vascular resistance (PVR) as assessed by right heart catheterization.  Two doses of rituximab (1000mg) or placebo are given as IV infusions 2 weeks apart.  Patient is then followed monthly for one year.

IRB Protocol #


Trial Status

Accepting Participants


Pulmonary Hypertension Center at 720-848-6518

Eligibility and Other Participant Information

Main inclusion criteria:
1) Age 18-70
2) Clinical diagnosis of systemic sclerosis, either limited or diffuse
3) Diagnosis of SSc-PAH (sytemic sclerosis assoiated pulmonary arterial hypertension) within the past 3 years, with a mPAP >/= 30mm Hg
4) Mean PVR > 3 Wood units
5) NYHA Class II, III, or IV
Main exclusion criteria:
1) Treatment with biologic or chemical immunosuppressive agents within 3 months
2) Interstitial lung disease as characterized by diffuse pulmonary infiltrates on CXR (chest x-ray) and a TLC of <70% predicted
For more information, please contact the Pulmonary Hypertension Center at 720-848-6518.