Phase 3 trial RTB-101-204 study did not meet its primary endpoint

The purpose of this study is to determine if RTB101 prevents illness associated with respiratory tract infections in people ≥65 years of age.

RTB-101-205 is a randomized, double-blind, placebo-controlled, multicenter, parallel-group, Phase 3 study to determine if RTB101, a selective TORC1 inhibitor, prevents illness associated with respiratory tract infections (defined as clinically symptomatic respiratory illness) in adults ≥65 years of age. This trial is being conducted in follow up to two Phase 2 trials in older adults in which RTB101 10 mg administered once daily for up to 16 weeks during winter cold and flu season was observed to reduce the incidence of respiratory illness associated with respiratory tract infections.

Inclusion Criteria:

• Subjects must be ≥65 years of age
• Subjects should require no or minimal assistance with self-care and activities of daily living. Subjects in assisted-living or long-term care residential facilities that provide minimal assistance are eligible
• Sexually active male subjects with a partner of child-bearing potential must be willing to wear a condom while on study drug and for 1 week after stopping study drug and should not father a child in this period

Exclusion Criteria:

• Subjects who are current smokers, stopped smoking ≤ 1 year prior to screening, or have and a ≥ 10 pack year smoking history
• Subjects with a medical history of clinically significant lung diseases (including COPD) other than asthma
• Subjects with current evidence of a serious and/or unstable medical disorder
• Subjects with unstable cardiac conditions
• Subjects with a history of systemic autoimmune diseases
• Subjects with Type I diabetes mellitus
• Subjects with a history of immunodeficiency diseases, including a positive human immunodeficiency virus (HIV) test result
• Infection with Hepatitis B (HBV) or Hepatitis C (HCV)