igg4

Policy Advocacy

Eosinophilic & Rare Disease Cooperative (ERDC) Engages National Effort to Strengthen Research, Protect Incentives, and Improve Access to Rare Disease Treatments
BySarah Jones February 26, 2026July 27, 2026

FOR IMMEDIATE RELEASE Grand Rapids, MI — February 26, 2026 — Eosinophilic & Rare Disease Cooperative (ERDC) is playing a pivotal role in advancing policies that improve medication research, development, and real-world access for people living with rare diseases. Serving individuals and families affected by more than 40 rare diseases — with a primary focus…

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Research Insights

Current and future advances in practice: IgG4-related disease
BySarah Jones November 11, 2025July 27, 2026

Zachary S Wallace 1,2,✉, Guy Katz 3,4, Yasmin G Hernandez-Barco 5,6, Matthew C Baker 7 READ THE FULL ARTICLE Patient-Focused Summary of Key Points in the Article What is IgG4‑related disease (IgG4‑RD)?IgG4‑RD is a condition where the immune system causes inflammation and scarring in one or more organs. It can affect many parts of the body (pancreas, salivary glands, kidneys, lungs, arteries,…

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Meds & Insurance

Using Product Information Pamphlets to Assist Prior Authorization for New Meds
BySarah Jones October 31, 2025July 27, 2026

For people living with rare diseases, accessing the right medication can sometimes feel like navigating a maze. One common challenge arises when a medication is approved for a new indication. A new indication means that the FDA has officially approved a medication to treat a condition it wasn’t originally prescribed for. This often happens after…

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Research Insights

Summary: The Emerging Mysteries of IgG4-RD and link to full article
BySarah Jones October 28, 2025July 27, 2026

IgG4-related disease (IgG4-RD) is a rare, systemic condition characterized by inflammation and fibrosis (scarring) in various organs. It can affect nearly any organ, including the pancreas, salivary glands, kidneys, and lymph nodes. Despite increasing recognition, its exact cause remains unknown, though both genetic and environmental factors may contribute. A hallmark feature of IgG4-RD is the…

Read More Summary: The Emerging Mysteries of IgG4-RD and link to full article
Research Insights

IgG4-related disease: What a Hematologist Needs to Know
BySarah Jones October 16, 2025July 27, 2026

Here is a summary of the FULL ARTICLE: This article is a review aimed at hematologists (blood disease specialists) to help them recognize and understand how IgG4-related disease (IgG4-RD) can appear in blood-related settings. Although IgG4-RD is often thought of as a rheumatology/immunology disease, many of its features overlap with hematologic findings, and it can…

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Research Insights

“IgG4-related disease: lessons from the first 20 years” by Dr. John H. Stone
BySarah Jones October 16, 2025July 27, 2026

Here is a summary of the full article: Understanding IgG4-Related Disease Lessons from the First 20 Years IgG4-related disease (IgG4-RD) is a long-term immune condition that causes inflammation and scarring (fibrosis) in one or more organs. It was first recognized about 20 years ago, and since then, researchers and patients have helped uncover how it…

Read More “IgG4-related disease: lessons from the first 20 years” by Dr. John H. Stone