Microscopic polyangiitis
MONDO:0019124Microscopic polyangiitis (MPA) is an inflammatory, necrotizing, systemic vasculitis that affects predominantly small vessels (i.e. small arteries, arterioles, capillaries, venules) in multiple organs.
Also known as: MPA, Micropolyangiitis, microscopic polyarteritis
36 clinical trials for this condition and its sub-types.
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Small study tests rituximab against rare vessel disease
Disease control CompletedThis study tested whether the drug rituximab, given with steroids, works better than steroids alone for people with a rare disease called microscopic polyangiitis that inflames small blood vessels. Only 8 patients took part, and the goal was to see if the combination could preven…
Phase: PHASE3 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Disease control
Last updated Jun 27, 2026 12:29 UTC
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New drug MT-2990 tested in rare blood vessel disease
Disease control CompletedThis early study looked at a new drug, MT-2990, in 5 people with ANCA-associated vasculitis, a rare disease where the immune system attacks blood vessels. The goal was to see if the drug is safe and how it affects disease activity. Researchers measured changes in symptoms, imagin…
Phase: PHASE1 • Sponsor: Tanabe Pharma Corporation • Aim: Disease control
Last updated Jun 27, 2026 09:01 UTC
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Cheaper rituximab versions just as safe and effective for rare vasculitis?
Disease control CompletedThis study looked at 201 Canadian patients with ANCA-associated vasculitis to see if cheaper biosimilar versions of rituximab work as well as the original drug. Researchers compared disease control, side effects, and how long it took to get insurance approval for treatment. The g…
Sponsor: McGill University Health Centre/Research Institute of the McGill University Health Centre • Aim: Disease control
Last updated Jun 27, 2026 08:01 UTC
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Statin trial targets hidden heart risk in vasculitis patients
Disease control CompletedThis study tested whether rosuvastatin, a common cholesterol-lowering drug, could reduce early signs of artery hardening in 121 people with ANCA-associated vasculitis. Participants were in remission and received either rosuvastatin or a placebo for up to 2 years. The goal was to …
Phase: PHASE3 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Disease control
Last updated Jun 27, 2026 07:59 UTC
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Can a Double-Dose vaccine strategy shield vulnerable vasculitis patients?
Disease control CompletedThis study tested whether giving a stronger pneumococcal vaccine schedule (either two doses close together or a single larger dose) followed by a standard booster could improve immune protection in 96 adults with ANCA-associated vasculitis who are also receiving rituximab therapy…
Phase: PHASE2 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Disease control
Last updated Jun 27, 2026 07:59 UTC
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Rituximab shows promise in preventing vasculitis relapses
Disease control CompletedThis study tested whether rituximab, a targeted antibody therapy, is better than azathioprine, a standard immune-suppressing drug, at preventing relapses in people with ANCA-associated vasculitis. 117 patients who had achieved remission were randomly assigned to receive either ri…
Phase: PHASE3 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Disease control
Last updated Jun 27, 2026 07:58 UTC
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Can extra rituximab keep vasculitis at bay?
Disease control CompletedThis study looked at whether giving rituximab for 46 months instead of the usual 18 months can better prevent relapses of ANCA-associated vasculitis, a rare autoimmune disease that causes blood vessel inflammation. 97 patients who were already in remission after initial rituximab…
Phase: PHASE3 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Disease control
Last updated Jun 27, 2026 07:58 UTC
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New hope for rare lung scarring? small trial tests pirfenidone
Disease control CompletedThis small pilot study looked at whether the drug pirfenidone is safe and effective for people with a specific type of lung scarring (pulmonary fibrosis) linked to MPO antibodies or vasculitis. Seven adults took the drug for a year, and researchers measured changes in lung functi…
Phase: PHASE2 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Disease control
Last updated Jun 27, 2026 07:58 UTC
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New combo therapy aims to tame rare blood vessel disease
Disease control CompletedThis study tested whether adding azathioprine to standard corticosteroid treatment helps people with certain types of vasculitis (blood vessel inflammation) achieve remission and avoid relapses. 114 newly diagnosed patients without poor prognosis factors took part. The goal was t…
Phase: PHASE3 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Disease control
Last updated Jun 26, 2026 16:48 UTC
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Smart dosing of rituximab may keep rare blood vessel disease at bay
Disease control CompletedThis study tested two ways of giving rituximab to people with ANCA-associated vasculitis, a rare disease where the immune system attacks blood vessels. All 166 participants were in remission and received rituximab either on a fixed schedule or only when certain blood markers (ANC…
Phase: PHASE3 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Disease control
Last updated Jun 26, 2026 13:48 UTC
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Could a tiny dose of naltrexone ease vasculitis symptoms?
Symptom relief CompletedThis study tested whether a low dose (4.5 mg) of naltrexone, a drug already used for alcoholism, can improve physical health and quality of life in people with vasculitis. Sixty participants took either the drug or a placebo daily for six weeks. The goal was to see if the drug le…
Phase: PHASE2 • Sponsor: University of Pennsylvania • Aim: Symptom relief
Last updated Jun 27, 2026 08:12 UTC
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A blood clue to a rare vessel disease?
Knowledge-focused CompletedThis study looks at whether a protein in the blood, called soluble CD95 ligand, plays a role in ANCA-associated vasculitis, a rare group of diseases that cause inflammation of blood vessels. Researchers will collect blood and urine samples from 48 adults with the condition and tr…
Phase: NA • Sponsor: University Hospital, Bordeaux • Aim: Knowledge-focused
Last updated Aug 18, 2026 05:00 UTC
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Scientists probe immune cells to unlock vasculitis mysteries
Knowledge-focused CompletedThis study looked at how certain immune cells, called neutrophils, behave in people with granulomatosis with polyangiitis (GPA), a rare blood vessel inflammation disease. Researchers collected blood samples from 93 participants, including patients with GPA and other related condi…
Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused
Last updated Jun 26, 2026 16:35 UTC