©2018 by Clearidium


Trusted by over 50 clients and more than 10,000 anti-doping tests collected.

The Worldwide Protector of Sport



Clearidium is an ISO 9001 certified anti-doping test collection company based in Copenhagen, Denmark. The founder and co-owner, Rasmus Damsgaard, MD, PhD, was Secretary General of the Danish NADO from 2000-2004. He has published several scientific anti-doping papers on blood profiles and acts as an independent anti-doping expert for anti-doping organizations. He is also the anti-doping expert in the International Skiing Federation (FIS). Clearidium is a Danish and American licensed Limited Liability Corporation.

Clearidium North America is operated by Bradley Guye. Bradley has over ten years of anti-doping experience starting at the United States Anti-Doping Agency (USADA) and continuing with Clearidium as of August 2016. His experience in running global anti-doping programs is vast with a portfolio of elite clients including the Boston Marathon, New York City Marathon, Ironman World Championships, IAAF World Championships, IAAF Junior World Championships, International Cheerleading World Championships and the AMGEN Tour of California.

In creating Clearidium and Clearidium North America our aim is to continuously increase the test collection quality by renewing and optimizing the way test collections are conducted and processed. We provide flexible test collections with high-end quality testing personnel. We have demonstrated that a respectful athlete approach does not compromise the integrity of the collection process, nor does it increase the test collection costs. When you choose Clearidium, you can rest assure that if an anti-doping rule violation (ADRV) occurs ALL guidelineshave been meticulously followed and satisfactory to all of Clearidium's clients.



Clearidium has two worldwide headquarters which are based in Copenhagen, Denmark and Colorado Springs, Colorado


Founder, Managing Director

Rasmus has over 20+ years of experience in Anti-Doping. Rasmus was General Secretary for the Danish NADO (ADD) from 2000-2004. As a Physician Rasmus has written numerous papers on blood profiles, growth factors and steroids. Rasmus holds a PHD in Pediatric Endocrinology in Elite Sports Children.



Chief Executive Officer - North America

Bradley has 10+ years of Anti-Doping experience worldwide including with National Anti-Doping Agencies and Sample Collection Agencies. He has a thorough background working with elite clients and worldwide renown events in North America, Latin America, Canada, Europe and Asia. Bradley graduated with a Bachelors degree in Sport Management from Flagler College.


Clearidium is always looking for qualified individuals to join our team. If you are interested please don't hesitate to contact us via our website.



Clearidium has a vast list of clients and a true appreciation of what it takes to successfully manage the entire anti-doping process before, during and post events. We have the expertise to professionally and respectfully collect World Anti-Doping Agency approved samples. Clearidium only hires the most professionally licensed and trained personnel including Phlebotomists, Nurses and Doping Control Officers. Clearidium has past experience in a vast number of sports from Sailing to Ironman.


Clearidium has conducted over twenty thousand out-of-competition tests in over fifty countries. We have doping control officers in strategic cities and states in the United States and also have a vast global coverage as well to include Europe, Asia, Africa and South America. We can conduct most tests regardless of location or analysis type.


"We worked with Clearidium for the first time this year, and were nothing short of satisfied with our experience. Bradley and his team were professional, punctual and efficient. The results were turned around in a timely manner, and all communications were personal and prompt. In the current landscape of professional athletics, Clearidium has quickly found itself among the leaders in anti-doping initiatives."

Pittsburgh Marathon/Half Marathon


2914 Austin Bluffs Pkwy
Colorado Springs, Colorado 80918