Services for pharmaceutical industry

Programming & Data Management

Starting with your data collection to a validated analysis.

In the clinical studies field, SAS software is used as an industrial standard. All programmers and data managers working at Chrestos have completed the SAS Institute certification program. In addition, we are continually improving our knowledge in the medical fields to get a deeper understanding of our background knowledge.

Our employees are certified according to the SAS standard.


Accurate, consistent and reliable analysis of your data.

It is important that we assume responsibility for all delivered results and check them according to plausibility before they are shared with the study team. We ensure this through our programmers outstanding statistical knowledge.

We create data lists, tables and figures.
Our programmers provide quality assurance support in utilizing report forms and statistical analysis plans.
We validate the provided programs according to default guidelines and carefully document this process.
In accordance with CDISC standards, we create datasets including appropriate metadata in a ADaM/ SDTM structure.
Through an accurate set-up of tables, listing and figure specifications, effective programming is made possible.
Based on pooled data we apply the appropriate methods in order to evaluate multiple studies.

Data Management

Competent data management as a foundation in your study.

When analyzing a study, the quality of data is crucial for its explanitory significance. We support you in all sectors, starting with developing a data management plan to constructing an (e)CRF design and lastly setting-up the final SDTM data.

FWe develop a data management plan together with a validation plan in order to achieve successful data management.
Our services cover both the design of the (e)CRF and continuous monitoring of CRF data including tracking, data validation, query management, and the creation of status reports.
We ensure quality control, verification of data as well as installation, validation and maintenance of the databases.
We are experienced in working with CDISC standards (CDASH & SDTM).
Our data managers are highly-skilled in using coding terms according to MedDRA, ATC, WHO-DDE, etc.
We review external data such as laboratory data and integrate it into the database.
We ensure that serious adverse events between the study and the pharmacovigilance database can be compared with each other anytime.
After successful completion of data management, we transmit the data bases as well as the corresponding documents to you electronically and discuss them with you in detail.

Overview of CRO areas

Discover the world of Contract Research Organization.

Not only performance and service are right, but above all the quality.

Please contact us, we would be delighted to give you some personal advice.