OCT is one of the leading contract research organizations in Europe. Since 2005, the OCT team has conducted over 300 clinical trials in 29 therapeutic areas. The team of 200+ professionals provides a full range of high-quality CRO services for Phase I-IV and BE studies, with therapeutic expertise in oncology, cardiovascular, infectious diseases, rheumatology, GI, and other areas.

With strong local expertise and focus on quality, OCT Clinical ensures seamless clinical trial conduct and drug registration, on time and within budget.

Only target clinical trial participants

Since its foundation, OCT has successfully enrolled over 50,000 patients while preserving budgets and timelines.

With 20+ years of accumulated experience, our team has established efficient cooperation with 1600 research sites. Thorough feasibility analysis, coupled with well-coordinated communication with sites, allows us to recruit with minimal screen failure rates.

Full-service clinical study engagements

  • Clinical Study Design Preparation
  • Medical Writing
  • Consulting and Regulatory Support
  • Project Management and Monitoring
  • Drug Safety and Pharmacovigilance
  • Data Management
  • Biostatistics
  • Clinical Supply Services and Logistics
  • Marketing Authorization
  • GMP Inspection Support

Rescue studies as a special expertise

Another specialty area for the OCT team is rescue studies. When clinical trials hit roadblocks, the team is ready to step in. When a takeover of an active trial is needed, the OCT Clinical experts create a study rescue plan focused on resolving current bottlenecks and study challenges and an expedited study schedule to get it back on track.


OCT Clinical

Blaumana str. 12, Riga, LV1011

Latvia, 191014


Phone: 371 (676) 954 ext. 86