Clinical trial NCT01665326: Determination of CRIM Status and Longitudinal Follow-up of Individuals With Pompe Disease
Official title: Determination of Cross-Reactive Immunological Material (CRIM) Status and Longitudinal Follow-up of Individuals With Pompe Disease
Study type: OBSERVATIONAL
Overall status: RECRUITING
Conditions: Pompe Disease
Keywords: Pompe disease
Glycogen Storage Disease Type II
Acid Maltase Deficiency
CRIM Status
Acid Alpha-Glucosidase Deficiency
Alglucosidase alfa
Myozyme
Enzyme replacement therapy
Immune Tolerance Induction
Lumizyme
Immunomodulation
Anti-drug antibodies
Lead sponsor: Duke University
Sponsor class: OTHER
Collaborators: name: Genzyme, a Sanofi Company
First posted: 2012-08-15
Enrollment: 400
Sex: ALL
Standard ages: CHILD
ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Observational model: COHORT
Time perspective: PROSPECTIVE
Sampling method: NON_PROBABILITY_SAMPLE
Study population: Study subjects will be babies/children/adults with a confirmed diagnosis of infantile-onset Pompe disease who are:

1. seen by the clinical staff of Duke Division of Medical Genetics, or
2. whose physician or parent contacts the Duke Division of Medical Genetics with the wish to participate in this CRIM research study.

Brief summary: This is a longitudinal natural history study of Infantile Pompe disease. The investigators will regularly collect and review medical information regarding the diagnosis of Pompe disease, response to enzyme replacement (ERT) using alglucosidase alfa (Lumizyme/Myozyme) and response to immunosuppressive therapy in cases at risk for developing or those who have developed high and sustained antibodies to ERT. To follow the long-term outcomes, we will collect medical records including but not limited to the diagnosis, clinical parameters, assessments for clinical monitoring, and laboratory values including antibody testing results.

Detailed description: Infantile-onset Pompe disease is an inherited disorder caused by lack of or defect in the enzyme acid alpha-glucosidase (GAA). GAA enzyme deficiency causes glycogen to build up and damage cells throughout the body, especially in the heart and muscles, which is normally diagnosed within the first months of life. Current treatment for Pompe disease involves enzyme replacement therapy (ERT) using the drug alglucosidase alfa (Lumizyme/Myozyme), which provides a form of the GAA enzyme to replace the enzyme that is missing or not working properly in the patient's blood.

In this study, the investigators will learn about the patient's ability to tolerate ERT. Cross-Reactive Immunological Material (CRIM) is a measurement of natural GAA production and an important factor that affects how patients respond to ERT. Children who produce some natural GAA are classified as CRIM-positive, while children who do not produce any natural GAA are classified as CRIM-negative. Children who are CRIM-positive generally tolerate ERT well. But, children who are CRIM-negative, and some children classified as CRIM-positive, have a poor response to ERT due to complications from an immune response against the drug. Treatments are currently being developed to stop this immune response and prevent complications from ERT.

This is a longitudinal natural history study of Infantile Pompe disease. The investigators will regularly collect and review medical information regarding the diagnosis of Pompe disease, response to enzyme replacement (ERT) using alglucosidase alfa (Lumizyme/Myozyme) and response to immunosuppressive therapy in cases at risk for developing or those who have developed high and sustained antibodies to ERT.

The specific aims of this study are:

1. To correlate CRIM status determined in a blood sample or cultured skin fibroblasts with GAA gene variants that are causing your child's Pompe disease.
2. To explore the clinical treatment response and natural history of CRIM-positive and CRIM-negative Pompe disease patients with and without immune modulation.
3. To investigate the role of immune response to treatment (IgG and IgE) including immune phenotyping.

Eligibility criteria: Inclusion Criteria:

* Confirmed diagnosis of infantile, atypical or juvenile onset Pompe disease
* Must provide a written informed consent

Primary outcomes:
measure: Clinical response to enzyme replacement therapy (ERT) using alglucosidase alfa (Myozyme)
timeFrame: Up to 18 years
Secondary outcomes:
measure: Response to Immune Tolerance Induction (ITI)
timeFrame: Up to 18 years
Other outcomes:
Locations:
city: Durham
country: United States
facility: Duke University Medical Center
state: North Carolina
Study officials:
affiliation: Duke University
name: Priya S Kishnani, MD
role: PRINCIPAL_INVESTIGATOR
References:
citation: Banugaria SG, Prater SN, Ng YK, Kobori JA, Finkel RS, Ladda RL, Chen YT, Rosenberg AS, Kishnani PS. The impact of antibodies on clinical outcomes in diseases treated with therapeutic protein: lessons learned from infantile Pompe disease. Genet Med. 2011 Aug;13(8):729-36. doi: 10.1097/GIM.0b013e3182174703.
citation: Messinger YH, Mendelsohn NJ, Rhead W, Dimmock D, Hershkovitz E, Champion M, Jones SA, Olson R, White A, Wells C, Bali D, Case LE, Young SP, Rosenberg AS, Kishnani PS. Successful immune tolerance induction to enzyme replacement therapy in CRIM-negative infantile Pompe disease. Genet Med. 2012 Jan;14(1):135-42. doi: 10.1038/gim.2011.4.
citation: Mendelsohn NJ, Messinger YH, Rosenberg AS, Kishnani PS. Elimination of antibodies to recombinant enzyme in Pompe's disease. N Engl J Med. 2009 Jan 8;360(2):194-5. doi: 10.1056/NEJMc0806809. No abstract available.
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citation: Desai AK, Walters CK, Cope HL, Kazi ZB, DeArmey SM, Kishnani PS. Enzyme replacement therapy with alglucosidase alfa in Pompe disease: Clinical experience with rate escalation. Mol Genet Metab. 2018 Feb;123(2):92-96. doi: 10.1016/j.ymgme.2017.12.435. Epub 2017 Dec 23.
citation: McIntosh PT, Hobson-Webb LD, Kazi ZB, Prater SN, Banugaria SG, Austin S, Wang R, Enterline DS, Frush DP, Kishnani PS. Neuroimaging findings in infantile Pompe patients treated with enzyme replacement therapy. Mol Genet Metab. 2018 Feb;123(2):85-91. doi: 10.1016/j.ymgme.2017.10.005. Epub 2017 Oct 13.
citation: Rairikar M, Kazi ZB, Desai A, Walters C, Rosenberg A, Kishnani PS. High dose IVIG successfully reduces high rhGAA IgG antibody titers in a CRIM-negative infantile Pompe disease patient. Mol Genet Metab. 2017 Sep;122(1-2):76-79. doi: 10.1016/j.ymgme.2017.05.006. Epub 2017 May 18.
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citation: Curelaru S, Desai AK, Fink D, Zehavi Y, Kishnani PS, Spiegel R. A favorable outcome in an infantile-onset Pompe patient with cross reactive immunological material (CRIM) negative disease with high dose enzyme replacement therapy and adjusted immunomodulation. Mol Genet Metab Rep. 2022 Jul 6;32:100893. doi: 10.1016/j.ymgmr.2022.100893. eCollection 2022 Sep.
citation: Li C, Desai AK, Gupta P, Dempsey K, Bhambhani V, Hopkin RJ, Ficicioglu C, Tanpaiboon P, Craigen WJ, Rosenberg AS, Kishnani PS. Transforming the clinical outcome in CRIM-negative infantile Pompe disease identified via newborn screening: the benefits of early treatment with enzyme replacement therapy and immune tolerance induction. Genet Med. 2021 May;23(5):845-855. doi: 10.1038/s41436-020-01080-y. Epub 2021 Jan 25.
citation: Desai AK, Baloh CH, Sleasman JW, Rosenberg AS, Kishnani PS. Benefits of Prophylactic Short-Course Immune Tolerance Induction in Patients With Infantile Pompe Disease: Demonstration of Long-Term Safety and Efficacy in an Expanded Cohort. Front Immunol. 2020 Aug 6;11:1727. doi: 10.3389/fimmu.2020.01727. eCollection 2020.