Evaluate the Effectiveness and Safety of BBD-1 Multi-target Immune Enhancement Targeting Agent in the Treatment of Hypersensitivity Reaction (IgA) Vasculitis

Conditions

• Allergic Reaction (IgA) Vasculitis

Eligibility Criteria

Sex

ALL

Age

N/A - N/A

Healthy Volunteers

Not accepted

Interventions

• BBD-1 Multi target Immune Enhancement Targeting Agent — DRUG
  Existing research has confirmed that BBD-1 multi-target immune enhancement targeting agent is effective and safe in treating hypersensitivity reaction (IgA) vasculitis. After one hour of intervention therapy with BBD-1 multi-target immune enhancement targeting agent, itching basically disappeared and pain was significantly reduced. After 24 hours, the purpura became lighter, and after 48 hours, the purpura became significantly lighter. After 72 hours, the purpura basically disappeared, and after 96 hours, it reached the clinical cure standard.

Study Details

Hypersensitivity (IgA) vasculitis is a common vascular allergic disease, the cause of which is not yet clear, and may involve infection, immune disorders, heredity and other factors. It belongs to the category of immune diseases. The disease can be divided into simple type, abdominal type, joint type, renal type and mixed type allergic purpura according to the location of the disease. The annual incidence rate is about 6.1 to 55.9 cases per 100000 people. The highest incidence rate is among children aged 2 to 6 years. When the kidneys are affected, this condition is called IgAV nephritis (IgAVN), affecting approximately 20% to 80% of IgAV patients, making it one of the most common secondary glomerular diseases in this population. At the same time, skin redness, itching, and joint pain caused by hypersensitivity reaction (IgA) vasculitis also seriously affect the quality of life of patients. Most IgAVN cases are mild or self limiting; However, some patients may experience severe kidney involvement, manifested as nephrotic syndrome, significant proteinuria, elevated serum creatinine levels, hypertension, persistent proteinuria, and kidney biopsy results showing more than 50% crescent shaped involvement. Research has shown that approximately 10% to 20% of patients with moderate to severe proteinuria caused by IgAVN may develop end-stage renal disease (ESRD), and persistent proteinuria has been identified as an independent risk factor for poor prognosis of IgAVN. At present, clinical treatment mainly relies on nonsteroidal anti-inflammatory drugs, glucocorticoids, anti allergic and antihistamines, anticoagulants, corticosteroids, calcineurin inhibitors (CNI), mycophenolate mofetil (MMF), cyclophosphamide (CTX), and other immunosuppressants. However, some patients may not respond well to conventional treatment, and long-term use of these drugs may lead to various adverse reactions, including infections, metabolic disorders, and growth disorders.

Key Dates

Start date

Jun 1, 2026

Status verified

May 2026

Primary completion

Jun 1, 2028

Completion

Jun 1, 2028

Study Design

Enrollment

30 participants (estimated)

Allocation

NA

Intervention model

SINGLE_GROUP

Primary purpose

TREATMENT

Arms

• Experimental: Allergic reaction (IgA) vasculitis
  Existing research has confirmed that BBD-1 multi-target immune enhancement targeting agent is effective and safe in treating hypersensitivity reaction (IgA) vasculitis. After one hour of intervention therapy with BBD-1 multi-target immune enhancement targeting agent, itching basically disappeared and pain was significantly reduced. After 24 hours, the purpura became lighter, and after 48 hours, the purpura became significantly lighter. After 72 hours, the purpura basically disappeared, and after 96 hours, it reached the clinical cure standard.

Primary Outcome Measure

Allergic reaction (IgA) vasculitis [ Time Frame: 7 days ]

Locations (1)

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