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Abatacept for the Treatment of Common Variable Immunodeficiency With Interstitial Lung Disease — ABCVILD  

Interstitial Lung Disease Clinical Trial

Official title:
Abatacept for the Treatment of Common Variable Immunodeficiency With Interstitial Lung Disease

Clinical Trial Summary

There is no standard of care therapy for patients with granulomatous-lymphocytic interstitial lung disease (GLILD) seen in common variable immunodeficiency (CVID). Abatacept has recently looked promising for the treatment of patients with complex CVID. This study is a multi-site, phase II, randomized, blinded/placebo-controlled clinical trial in pediatric and adult subjects to determine the efficacy of abatacept compared to placebo for treatment of subjects with GLILD in the context of CVID. Funding Source - FDA OOPD

Clinical Trial Description

There is no standard of care therapy for patients with granulomatous-lymphocytic interstitial lung disease (GLILD) seen in common variable immunodeficiency (CVID). Abatacept is a recombinant, human fusion protein of cytotoxic T lymphocyte-associated protein 4 (CTLA-4) and human IgG1 that blocks T cell activation by binding to CD80 and CD86, thereby blocking CD28 engagement- the "second signal" needed for T cell activation. Abatacept has recently looked promising for the treatment of patients with complex CVID. This study is a multi-site, phase II, randomized, blinded/placebo-controlled clinical trial in pediatric subjects ≥50 kg and adult subjects (cohort 1), with an additional cohort (#2) of pediatric subjects <50 kg tested as a single arm, receiving open-label abatacept. Cohort 1 utilizes a 'delayed-start' design to obtain maximum statistical power from this cohort. Cohort 2 will be open label due to the lack of a suitable placebo for pediatric dose abatacept syringes. A total of 21-30 evaluable subjects will be treated in cohort 1 and 8 evaluable subjects in cohort 2. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04925375
Study type Interventional
Source Children's Hospital Medical Center, Cincinnati
Contact Michael Jordan
Phone 513-803-9063
Email Michael.Jordan.@cchmc.org
Status Recruiting
Phase Phase 2
Start date July 14, 2021
Completion date July 2025
View Details
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