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With its head office in Amsterdam, CURVE CLINICAL has extensive experience managing and implementing clinical trials in over 30 countries. To our customers, we are ‘just the right size’ CRO: we realise cost-effective study delivery locally or internationally within the defined regulatory framework, quality parameters, study timelines and budgets. We are a responsive, hands-on organisation with driven, enthusiastic staff, as evidenced by our very low employee turnover rate and high repeat business rate.

One of the things that distinguish CURVE CLINICAL is its focus on quality and efficiency, at the best price available on the market. We believe in using highly qualified, independent professionals to make the difference in the process of realising your development goals. Our management is actively involved in all our clinical trial services and ensures that you receive the best support possible. This is in line with our business philosophy, which is based on customer satisfaction.

  • Full service CRO
  • We work throughout Europe
  • Expert-CRO: investigator initiated clinical trials
  • Expert-CRO: in the field of subsidized studies (i.e. Horizon2020)
  • Early stage clinical studies (safety, feasibility/concept efficacy)
  • Established collaborations with leading infectious disease, oncology and rheumatology clinics and research centers in Europe.


Since its inception in 2012, CURVE CLINICAL (also formerly known as Assign Benelux Development)  has worked on more than 30 clinical studies. We take pride in advancing our clients’  innovative medicinal products to the next phase, bringing them closer to patients. CURVE CLINICAL has extensive experience with complex and logistically challenging clinical trials. We offer a range of services that are uniquely tailored to our clients’ needs to ensure that their time and resources are well spent.

Therapeutic Area/Indications

Infectious Diseases, Vaccines, Oncology; Rheumatology, Respiratory, Ophthalmology, Cardiovascular; Diabetes, Metabolic Disorders and Gene Therapy.

CURVE CLINICAL offers the following services as stand-alone activities or as part of the full service:

Project Management

CURVE CLINICAL assigns an experienced project manager with typically 8-10 years of experience in clinical research to all projects. The project manager will provide strong leadership to the project team of the different disciplines, produces and maintains  project planning and ensures successful delivery of the study.

Clinical Monitoring

CURVE CLINICAL has highly qualified employees to perform all monitor activities from qualification to closure of investigator sites including site management and contract negotiations.

Regulatory Submissions

CURVE CLINICAL has experience in the submission to regulatory authorities and ethical committee in several European countries and has partnerships with experienced regulatory consultant to support all regulatory submissions in Europe.


CURVE CLINICAL can provide clinical data management solutions to your particular needs as part of a full service solution. CURVE CLINICAL uses a clinical database system that is able to interact with other health systems for patient outcome measures, laboratory data import etc.

Pharmacovigilance/Drug Safety

CURVE CLINICAL has managed clinical safety assignments for many Phase I – IV trials across multiple indications. A team of highly trained and experienced staff performs data entry, data review and medical review functions.

Medical Writing

CURVE CLINICAL is able to draft and develop all regulatory documents (including Expert Reports, Investigator Brochures, Protocol, ICF, Clinical Trial Reports etc).

Below you will find a glance at some of our recent projects and services, outlining specific examples of the successful work we have completed for our clients.

CountriesResponsibilities# pts# sitesTAPhase
BELMonitoring 1002Vaccine (Polio Eradication Programme)IV
BELProject management
Study document development
Regulatory submissions
Data management
Drug Safety
KOL Management
NLD, GER, POR, ITA, ROM, SLO, FIN, HUNProject management
Study document development
Regulatory submissions
KOL Management
80030Rheumatoid ArthritisIV





Hadil Es-Sbai, MSc.


+31(0)6 45 077 441

Bart Bierman, MD

+31 (0)6 20 610 123

Rob Helmich, MSc.
Business Development

+31(0)6 53 853 892

Nick van den Bulk, MSc.
Head Clinical

+31 (0) 6 10 229 217




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