Trial start Phase 2: Efficacy and Safety of ATTO-1310 in the Treatment of Participants With Chronic Pruritus of Unknown Origin source ↗
Trial start Phase 1: Safety, Tolerability and PK of ATTO 1091 in Healthy Adult Volunteers and Patients With Ulcerative Colitis source ↗
Trial start Phase 1: Safety, Tolerability and PK of ATTO-3712 in Healthy Volunteers and Patients With Atopic Dermatitis source ↗
Raise Private equity round — Series C: $90M (total, as published), announced Apr 15, 2025. Source: company release on GlobeNewswire. source ↗
Trial start Phase 1: Safety, Tolerability and PK of ATTO-1310 in Healthy Volunteers and Patients With Atopic Dermatitis and Patients With Chronic Pruritus source ↗
Upcoming milestones
Jul 15, 2028 (ESTIMATED) · Phase 1 · Safety, Tolerability and PK of ATTO 1091 in Healthy Adult Volunteers and Patients With Ulcerative Colitis · NCT07819799
Aug 30, 2028 (ESTIMATED) · Phase 2 · Efficacy and Safety of ATTO-1310 in the Treatment of Participants With Chronic Pruritus of Unknown Origin · NCT07833306
Estimated primary completion per ClinicalTrials.gov. Dates move.
Funding
Raised: $90.0M. Last 2 years.
Private equity round — Series C: $90M (total, as published), announced Apr 15, 2025. Source: company release on GlobeNewswire. source ↗
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