Study of the Safety, Pharmacodynamics, Efficacy, and PK of TIMP-GLIA in Subjects With Celiac Disease

Therapuetic Areas:Endocrinology
Age Range:18 - 70
Start Date:January 4, 2019
End Date:May 2019
Contact:Amy Morris, MBA

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A Randomized, Double-blind, Placebo-controlled Study of the Safety, Pharmacodynamics, Efficacy, and Pharmacokinetics of TIMP-GLIA in Subjects With Well-controlled Celiac Disease Undergoing Oral Gluten Challenge

Subjects enrolled in this study will be evaluated for immune responses and histological
changes in the small bowel following 2 doses of TIMP-GLIA or placebo and a 14-day oral gluten

This study is a randomized, double-blind, placebo-controlled clinical trial to assess the
safety, pharmacodynamics, efficacy, and PK, of TIMP-GLIA in subjects with well-controlled
celiac disease (CD) following an oral gluten challenge. Subjects aged 18 to 70 years
inclusive, with documented history of biopsy-proven confirmed CD, and on a gluten-free diet
(GFD) for a minimum of 6 months, will be screened. Subjects who meet all inclusion and no
exclusion criteria, and provide written informed consent, will be randomized within 45 days
after Screening to receive 2 intravenous (IV) infusions of TIMP-GLIA, 8 mg/kg up to a maximum
of 650 mg or placebo (normal saline) in a 1:1 ratio.

Key Inclusion Criteria:

1. Male or nonpregnant female, ages 18 to 70 years inclusive, at Screening Visit.

2. Biopsy-confirmed CD (intestinal histology showing villous atrophy).

3. Positive for human leukocyte antigen (HLA)-DQ2 or HLA-DQ2/DQ8 - results will be
obtained at Screening if unknown or results are not available.

4. Self-reported to be on a GFD for at least 6 months prior to Screening and agree to
continue GFD throughout study, with the exception of the oral gluten challenge.

5. Normal or negative celiac serology, at screening, defined as:

1. Measurable total serum immunoglobulin A (IgA) AND

2. Negative or weak positive tissue transglutaminase (tTG) IgA titer OR

3. If IgA deficient, defined by a serum IgA level of < 3 mg/dL, negative or weak
positive DGP- IgG titer.

6. Vh:Cd ≥ 1.5 on screening biopsy.

Key Exclusion Criteria:

1. Positive for only HLA-DQ8.

2. History of clinically confirmed immunoglobulin E (IgE)-mediated reaction and/or
anaphylaxis to wheat (i.e., "wheat allergy"), barley or rye.

3. Uncontrolled CD and/or active signs/symptoms of CD, in the opinion of the

4. Untreated or active gastrointestinal disease such as peptic ulcer disease, esophagitis
(Los Angeles Classification ≥ Grade C), irritable bowel syndrome, inflammatory bowel
disease, or microscopic colitis.

5. Immunocompromised individuals, including those receiving immunosuppressive doses of
corticosteroids (more than 20 mg of prednisone given daily or on alternative days for
2 weeks or more within 6 months prior Dose 1, any dose of corticosteroids within 30
days of Day 1, or high dose inhaled corticosteroids [> 960 µg/day of beclomethasone
dipropionate or equivalent]) or other immunosuppressive agents.

6. Presence or history of celiac-associated thyroid disease or Type 1 diabetes,
regardless of current treatment.
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