SAD/MAD Study in Healthy Subjects and Adults With UC to Evaluate Safety, Tolerability, PK, PD of AMT-101

A randomized, double-blind placebo-controlled first in human study in approximately 36 male healthy subjects and approximately 20 male and female patients with active UC who have had an inadequate response to or demonstrated intolerance to 5-ASA.

Subjects may but are not required to have been exposed to corticosteroids, or immunosuppressive agents. In case the subject has been exposed to any of these treatments, he/she must have had either an inadequate response, failed response or demonstrated intolerance.

Patients may be

• naïve to anti-TNFα therapy or
• have failed or demonstrated intolerance to anti-TNF-α therapy.

Inclusion criteria

PART A (Healthy Volunteers)

• Male subject in good health as determined by past medical history, physical examination, vital signs, ECG, and laboratory tests at screening
• Between 18 and 45 years of age, inclusive.
• Body Mass Index (BMI) between 18 and 30 kg/m2 (inclusive).

PART B (Adult Ulcerative Colitis)

• Male and Female patients 18 years and older
• Documented diagnosis of UC for at least 3 months duration
• Stable mild to moderate UC, as defined by the following criteria: Total Mayo score (excluding PGA) at least 3 but not greater than 7:
• Patients must have failed or demonstrated intolerance to aminosalicylates (e.g., 5-aminosalicylic acid, mesalamine)

Exclusion criteria

PART A and PART B

• Known hypersensitivity or allergy to AMT-101 or excipient contained in the drug formulation.
• Clinically significant abnormalities in laboratory test results (including complete blood count, chemistry panel including kidney panel, and urinalysis).

PART B

• Clinical findings of Crohn's disease
• A prior history of surgery for UC
• Prior use of integrin antagonists (vedolizumab, natalizumab), JAK kinase inhibitors (tofacitinib), cyclosporin or tacrolimus