Your Trusted Clinical Research Partner
Full-Service Clinical Research Organization delivering excellence across all phases of clinical trials.
600+
Completed Clinical Trials
1
Country Served
35+
Years of Excellence
100%
Quality Commitment
About Convex Ltd.
Convex Ltd. is a premier Bulgarian Clinical Research Organization (CRO), providing end-to-end clinical trial services to pharmaceutical, biotech, and medical device companies worldwide.
With over 35 years of expertise and 600 + successfully completed trials in phase I to Phase 4. We are the preferred partner for medium and large-scale international CROs.
Our Core Clinical Services
We offer flexible, high-quality solutions tailored to your study’s needs:
Global Recognition & Proven Quality
Operating in Bulgaria, we support active clients across the USA, Germany, France, UK, Italy, Israel, Poland, China. Our commitment to innovation and quality ensures long-term partnerships and superior results in diverse therapeutic areas.
Partner with Convex Ltd. for efficient, reliable, and expert clinical research solutions.
For excellent performance on every protocol, we provide a comprehensive team of specialists:
Feasibility Manager
Contract Negotiation Specialist
Medical Writing Specialist
Clinical Study Manager
Study Subject Recruitment Specialist
Well-trained CRAs and CTAs
Data Management Specialist
Biostatistician
Principal Investigators
Sub-Investigators
Study Nurses
Lab Technicians
Subject Recruitment specialist
Site Manager
Comprehensive solutions tailored to your clinical trial needs:
Study Feasibility
Strategy Consultation
Sites Selection
Medical Writing
Regulatory and Ethics Submissions
Site and Investigator Contract Negotiation
Investigator Meeting Organization
Sites monitoring
Project Management
Vendor selection and management
Data Management
Biostatistical Analysis
Safety laboratory analysis
Bioanalytical laboratory analysis
Advanced Research Capabilities
Founded in 2015, Convex Clinical Research Center provides therapeutic expertise to the pharmaceutical and biotechnology industries across a comprehensive range of services.
Our research institution is dedicated to conducting early-phase clinical pharmacology studies in healthy volunteers and patient populations across a spectrum of diseases.
Early phase studies
Dose ranging, single/multiple
Bioavailability/Bioequivalence
Pharmacokinetics
Pharmacodynamics
Drug/Drug Interaction
Blind dosing/sampling
Food effect studies
Vaccine studies
Food supplement studies
Speedy study conduct with streamlined processes
Straightforward communication throughout the study
Highly competitive study budgets without compromising quality
Capability to conduct Phase II-IV trials in various therapeutic indications
Convex provides comprehensive in-country clinical trial services from feasibility to final end-of-study. We are capable of meeting any study protocol requirements on time and within budget, ensuring excellent performance for every protocol.
Advanced Phase I unit founded in 2015
Early-phase to Phase II-IV clinical trials
Speedy study conduct and communication
Cost-effective solutions
