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Immunoglobulin G

Green Cross Corporation · FDA-approved active Small molecule ✓ Verified May 2026 Quality 6/100

Immunoglobulin G is a Non-Standardized Plant Allergenic Extract [EPC] Small molecule drug developed by Green Cross Corporation. It is currently FDA-approved. Also known as: IgG, IV IgG, GCIV.

Immunoglobulin G (IgG) is a type of antibody that represents approximately 75% of serum antibodies in humans, primarily found in blood circulation. IgG molecules are created and released by plasma B cells, each having two paratopes, and are used as a replacement therapy and for their immunomodulatory effects.

At a glance

Generic nameImmunoglobulin G
Also known asIgG, IV IgG, GCIV
SponsorGreen Cross Corporation
Drug classNon-Standardized Plant Allergenic Extract [EPC]
ModalitySmall molecule
PhaseFDA-approved

Approved indications

No approved indications tracked.

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

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Frequently asked questions about Immunoglobulin G

What is Immunoglobulin G?

Immunoglobulin G is a Non-Standardized Plant Allergenic Extract [EPC] drug developed by Green Cross Corporation.

Who makes Immunoglobulin G?

Immunoglobulin G is developed and marketed by Green Cross Corporation (see full Green Cross Corporation pipeline at /company/green-cross-corporation).

Is Immunoglobulin G also known as anything else?

Immunoglobulin G is also known as IgG, IV IgG, GCIV.

What drug class is Immunoglobulin G in?

Immunoglobulin G belongs to the Non-Standardized Plant Allergenic Extract [EPC] class. See all Non-Standardized Plant Allergenic Extract [EPC] drugs at /class/non-standardized-plant-allergenic-extract-epc.

What development phase is Immunoglobulin G in?

Immunoglobulin G is FDA-approved (marketed).

What are the side effects of Immunoglobulin G?

Common side effects of Immunoglobulin G include Headache, Nausea/Vomiting, Fatigue, Nasal/Sinus Congestion, Rash, Arthralgia.

Related

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing