IVIG for Small Fiber Neuropathy
Trial Summary
What is the purpose of this trial?
This trial will test a treatment called Panzyga on patients with small fiber neuropathy (SFN). SFN patients often suffer from undiagnosed pain, and current treatments have many side effects. Panzyga may help by reducing inflammation and improving nerve function, potentially reducing pain and increasing nerve density in the skin. Panzyga has been shown to be effective in treating various autoimmune neurological disorders and has potential benefits for managing neuropathic pain.
Do I have to stop taking my current medications for the trial?
The trial protocol does not specify whether you need to stop taking your current medications. However, you cannot have used IgG products within six months prior to enrollment.
Will I have to stop taking my current medications?
The trial protocol does not specify whether you need to stop taking your current medications. However, if you have used IgG products in the last six months, you cannot participate in the trial.
What data supports the idea that the drug for Small Fiber Neuropathy is an effective treatment?
The available research shows that intravenous immunoglobulin (IVIG) has been effective in treating various nerve-related conditions. For example, in patients with autoimmune small fiber polyneuropathy, IVIG has shown significant benefits. Additionally, in studies involving other conditions like chronic inflammatory demyelinating polyneuropathy (CIDP), IVIG improved grip strength and overall muscle function. While these studies focus on different conditions, they suggest that IVIG can be effective for nerve-related issues, which supports its potential use for Small Fiber Neuropathy.12345
What data supports the effectiveness of the drug Gammagard IVIG for treating small fiber neuropathy?
Research shows that intravenous immunoglobulin (IVIG) therapy, like Gammagard, has been effective in treating other nerve-related conditions such as Guillain-Barre syndrome and chronic inflammatory demyelinating polyneuropathy. This suggests it might also help with small fiber neuropathy, although specific studies for this condition are still needed.12345
What safety data exists for IVIG treatment in small fiber neuropathy?
IVIG is generally considered a safe treatment for neuropathies, including small fiber neuropathy, but it can have complications. Common mild reactions include infusion-related issues, which can often be managed by adjusting the infusion rate or using symptomatic medications. Serious adverse effects are rare but can include thromboembolic events, renal failure, anaphylaxis, or aseptic meningitis. Patients with IgA deficiency, preexisting renal insufficiency, or those using sucrose-containing IVIG preparations are at higher risk for certain complications. Screening for risk factors can help reduce these risks. In patients with autonomic dysfunction, aseptic meningitis or severe headaches are more common when IVIG is dosed traditionally.24678
Is IVIG generally safe for treating small fiber neuropathy?
Is the drug Gammagard IVIG, Panzyga IVIG, or Placebo a promising treatment for Small Fiber Neuropathy?
Yes, the drug Gammagard IVIG and Panzyga IVIG are promising treatments for Small Fiber Neuropathy. Research shows that intravenous immunoglobulin (IVIG) therapy has been effective in treating autoimmune forms of neuropathy, including small fiber neuropathy, by improving nerve function and reducing pain.123910
How is the drug Gammagard IVIG different from other treatments for small fiber neuropathy?
Gammagard IVIG is unique because it is an intravenous immunoglobulin therapy that targets the immune system, which may help in conditions like small fiber neuropathy that are thought to have an immune component. This approach is different from other treatments that might not address the immune system directly.123910
Research Team
Lawrence Zeidman, MD, FAAN
Principal Investigator
Henry Ford Health
Eligibility Criteria
This trial is for adults over 18 with small fiber neuropathy (SFN) confirmed by skin biopsy and specific autoantibodies (TS-HDS-IgM, FGFR3-IgG, Plexin-D1). Participants must have moderate pain and no history of severe reactions to immunoglobulin or blood products, significant heart, kidney, liver disease, HIV infection or recent deep vein thrombosis.Inclusion Criteria
Exclusion Criteria
Timeline
Screening
Participants are screened for eligibility to participate in the trial
Treatment
Participants receive 2g/kg IVIG every 4 weeks over 2 days for 24 weeks
Follow-up
Participants are monitored for safety and effectiveness after treatment
Treatment Details
Interventions
- Gammagard IVIG
- Panzyga IVIG
- Placebo
Gammagard IVIG is already approved in United States, European Union for the following indications:
- Primary humoral immunodeficiency (PI)
- Chronic immune thrombocytopenia (ITP)
- Chronic inflammatory demyelinating polyneuropathy (CIDP)
- Multifocal motor neuropathy
- Kawasaki disease
- Primary immunodeficiency syndromes
- Chronic immune thrombocytopenia (ITP)
- Chronic inflammatory demyelinating polyneuropathy (CIDP)
- Multifocal motor neuropathy
Find a Clinic Near You
Who Is Running the Clinical Trial?
Loyola University
Lead Sponsor
Henry Ford Health System
Lead Sponsor
Octapharma USA, Inc.
Collaborator