Pharmacokinetics, Safety, and Tolerability of Subcutaneous GAMUNEX-C in Pediatric Subjects With Primary Immunodeficiency

Completed · Phase 4

Conditions studied: Primary Immunodeficiency

In brief

The purpose of this open-label study is to evaluate the pharmacokinetics, safety, and tolerability of subcutaneously (SC; under the skin) administered GAMUNEX-C compared to intravenously (IV; through the vein) administered GAMUNEX-C in subjects 2-16 years of age with Primary Immunodeficiency.

Key facts

Study ID

NCT01465958

Run by

Grifols Therapeutics LLC

People needed

12

Starts

2011-11-01

Expected to finish

2013-10-01

Last updated by the study team

2015-03-13

Who can join

Age: 2 and older, up to 16. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Aged 2-16 years old, inclusive.
• Documented and confirmed pre-existing diagnosis of PI with features of hypogammaglobulinemia requiring immunoglobulin replacement.
• Currently on IgG replacement therapy with a serum IgG trough concentration of ≥ 500 mg/dL at the Screening Visit.
• Adequate normal skin to allow for SC infusions.
• Signs an assent form, if applicable (per Institutional Review Board [IRB] requirements). Parent or legal guardian must sign an informed consent form.
• Females of childbearing potential must have a negative urine pregnancy test result and must practice an effective form of contraception (which may include abstinence).

You may not qualify if…

• History of anaphylaxis or severe systemic response to an immunoglobulin or blood product.
• History of blistering skin disease, clinically significant thrombocytopenia, bleeding disorder, recurrent skin infections or other disorders where subcutaneous therapy could be contraindicated.
• Has a specific antibody deficiency disorder, IgG subclass deficiency, or transient hypogammaglobulinemia of infancy.
• History of severe adverse reaction to parenteral products containing immunoglobulin A (IgA).
• Significant proteinuria and/or has a history of acute renal failure and/or severe renal impairment (serum creatinine more than 2.5 times the upper limit of normal [ULN] for age and gender) and/or is on dialysis.
• Known substance or prescription drug abuse in the past 12 months.
• Acquired medical condition that is known to cause secondary immune deficiency.
• Receiving any of the following medications: systemic corticosteroids (long term daily, >1 mg of prednisone equivalent/kg/day for >30 days) (intermittent courses would not exclude subject); immunosuppressants (i.e., antimetabolites and systemic calcineurin inhibitors; NOTE: inhaled steroids are allowed); or immunomodulators.
• Non-controlled arterial hypertension at a level of ≥ the 90th percentile blood pressure (either systolic or diastolic) for age and height (based on http://www.nhlbi.nih.gov/guidelines/hypertension/child_tbl.pdf ).
• History or current diagnosis of thrombotic episodes; venous thrombus that occurred in association with a medical device > 2 years prior to screening are allowed.
• Currently receiving anti-coagulation therapy.
• History of Kawasaki disease.
• Participated in another clinical trial involving exposure to an investigational product or device within 30 days prior to screening (imaging studies without investigative treatments are permitted) or has received any investigational blood product within the previous 3 months.
• Unable or unwilling to comply with any aspect of the protocol, including blood sampling and completion of the Infusion Site Reactions pages in the SC Infusion Diary.
• In the opinion of the Investigator the subject may have compliance problems with the protocol and the procedures of the protocol.
• Pregnant or lactating.
• Clinical evidence of any significant acute or chronic disease that, in the opinion of the Investigator, may interfere with successful completion of the study.

Where it is running

• Childrens Hospital Los Angeles — Los Angeles, California, United States
• IMMUNOe International Research Centers — Centennial, Colorado, United States
• Joe DiMaggio Children's Hospital — Hollywood, Florida, United States
• The Children's Hospital of Philadelphia — Philadelphia, Pennsylvania, United States

Full record on ClinicalTrials.gov

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