Infusion of Allogeneic Mesenchymal Stem Cells in Patients With Diffuse Cutaneous Systemic Scleros… (NCT04432545) | Clinical Trial Compass
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Infusion of Allogeneic Mesenchymal Stem Cells in Patients With Diffuse Cutaneous Systemic Sclerosis With Refractory Pulmonary Involvement
Colombia
Plain-language summary
Progressive SSc is an entity with limited therapeutic alternatives and with asurvival rate of less than 45% in the first 3 to 5 years. The disease causessevere limitation in quality of life ranging from functional limitation to depression. Up to 20% of patients will be refractory to conventional treatment with diseasemodifying anti-rheumatic drugs (DMARDs) and cyclophosphamide therapy.This favors the progression to visceral involvement including gastrointestinal,lung and pulmonary hypertension. The latter being a poor prognostic factor,increases mortality in this group of patients and drastically affects their qualityof life. For this reason, different therapeutic options have been considered including cell transplantation and Stem Cell use. Among the options that have been studied so far are stromal mesenchymal cells from Wharton ́s jelly. These have been used in intravenous infusion or direct application in different disease scenarios ranging from vascular involvement to interstitial lung involvement and cases of pulmonary hypertension, with promising results in terms of clinical progression,improvement in quality of life and prognostic indices. This therapy has proven to have a significant margin of safety at the time of administration and a low rate of adverse events, a self-limiting fever as the most frequent event. Based on the above and considering the possibility of offering patients without therapeutic alternatives to their disease in addition to palliative options, an intravenous infusion of stromal mesenchymal stem cells from Wharton ́s jellyis proposed for three patients with progressive SSc refractory to conventional therapy with pulmonary involvement due to pulmonary hypertension.
Under this premise the question posed in our work is; What are the effects of the infusion of allogeneic mesenchymal stromal cells from Wharton ́s jellyin patients with systemic sclerosis refractory to conventional treatment with Methotrexate or Cyclophosphamide in a population of three patients with severe pulmonary involvement due to pulmonary hypertension.
Who can participate
Age range
18 Years – 65 Years
Sex
ALL
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Inclusion Criteria:
* Age\> 18 years and \<65 years.• Established diagnosis of systemic sclerosis according to the criteria of theAmerican College of Rheumatology• SSc of poor prognosis, involving life-threatening severe visceralinvolvement (cardiac or pulmonary hypertension ), lack of response toconventional immunosuppressive therapy used in severe forms of thedisease according to the European recommendations of EUSTAR and EBMT, relying on high doses of IV cyclophosphamide (either in monthlybolus for at least six months); or SSc with life-threatening pulmonaryhypertension. Patients may or may not have pulmonary fibrosis.• Signed informed consent.• Presence of a consenting MSC donor• Affiliation to social security
Exclusion Criteria:
* Pregnancy or absence of appropriate contraception throughout the study.• Pulmonary artery systolic pressure (PASP) \>75mmHg (onechocardiography or after right heart catheterization);- Theorical DLCO \<30%• Calculated creatinine clearance \<30 ml/mn/m2• Clinical sign of a congestive heart failure refractory ;• Left ventricular ejection fraction \<35% at myocardial scintigraphy orechocardiography;• Chronic atrial fibrillation requiring oral anticoagulant therapy;• Uncontrolled ventricular arrhythmia;• Pericardial effusion with hemodynamic compromise assessed byechocardiography.• Hepatic impairment defined as a persistent increase in transaminases orbilirubin to 3 times normal.• Psychiatric disorders, including drug taking and alcohol abuse.• A…
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