Accelerate First-in-Human (FIH), SAD/MAD, and complex Phase I healthy volunteer or patient trials in our dedicated inpatient unit, with rapid recruitment and ICH-GCP compliant operations.
35+ years
350+ Phase I trials
15-bed unit
14000 subjects completed
FIH / SAD / MAD Phase I execution
Dedicated inpatient capacity
Healthy volunteers & Patient cohorts
Rapid feasibility & recruitment support
ICH-GCP compliant
Audit-ready operations
Decades of Regulatory Excellence and Human-Centric Clinical Trial Management.
Why Sponsors Choose Convex CRO
Trusted CRO partner for Phase I studies with fast recruitment and cost-efficient EU operations.
Access to extensive healthy volunteer and patient recruitment networks across Bulgaria and Eastern Europe.
Accelerate study timelines with streamlined feasibility, ethics, and regulatory processes.
Conduct fully EU-compliant clinical trials under European regulatory standards.
Specialized clinical research unit for early-phase studies.
Access a continuously growing database of healthy volunteers for early-phase clinical trials.
Comprehensive clinical trial support from feasibility and regulatory submission to monitoring and final reporting.
Experienced in first-in-human, pharmacokinetic, safety, and tolerability studies.
Scalable clinical operations tailored for small and mid-sized biotech and pharmaceutical sponsors.
Reduce operational costs while maintaining high-quality clinical research execution.
OUR EXPERTISE
Supporting Phase I–II clinical studies through dedicated infrastructure, integrated CRO services, patient recruitment expertise, and reliable clinical execution
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Convex provides comprehensive clinical trial support across study planning, regulatory coordination, site management, monitoring, patient recruitment, data collection, and Clinical Study Report delivery. Our experienced teams operate under strict ICH-GCP and EU standards to support reliable and efficient study execution.
Convex Phase I facilities and experienced investigators support First-in-Human and early-phase programs through dedicated infrastructure, continuous medical oversight, and recruitment-focused clinical operations.
Accelerate study timelines through data-driven feasibility assessments and established recruitment capabilities across Bulgaria and Eastern Europe. Our site-centric recruitment approach supports faster enrolment and dependable study startup performance.
Our teams work closely with Bulgarian regulatory authorities and ethics committees to support compliant and efficient study approvals. We help sponsors navigate regulatory requirements with clear communication and practical operational guidance.
Each project is supported by experienced clinical investigators, coordinators, study nurses, recruitment specialists, and project leadership teams committed to efficient execution and reliable delivery throughout the study lifecycle.
35+ YearsClinical Research Experience
350+ Phase I TrialsSuccessfully Conducted
14,000+ ParticipantsIn Our Clinical Studies
ICH-GCPEU-Compliant Operations
Bulgaria & Eastern EuropeStrategic Access for Global Trials
Conducting your clinical research in Bulgaria means operating within the full legal and ethical framework of the European Union, adhering strictly to EU Regulation 536/2014 and EMA standards. This unwavering commitment to international quality is the primary reason sponsors from across North America, Europe, and Asia trust us to deliver data that meets the most stringent global requirements.
We’ll let you know how we can support youall the way.
Trusted by researchers.
Committed to excellence.
We’ll let you know how we can support youall the way.
What clinical research services do we provide for your study?
Why do we see a return business from the same pharmaceutical companies or clinical trial sponsors over and over again?
How do I make sure my clinical study would be feasible to Convex clinical research center with Phase I pharmacology unit?
Let us know about your request at: feasibilityteam@convex.bg and we shall organize a TC to further discuss the progress of your study.
FUICS Development – Read more
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