Meanwhile, the International Paralympic Committee (IPC) has defended its decision not to drug test all medal-winning athletes, in contrast to what happened at the London Olympics.

BBC: Paralympics taken to UK's heart, Locog says

However, he was denied a chance to compete in the marathon in London with arm amputees in the T46 class due to International Paralympic Committee (IPC) regulations.

BBC: Paralympian Richard Whitehead gold postbox honour

The International Paralympic Committee (IPC) confirmed it was involved in "advanced talks" about the unprecedented series of seven grand prix events for Paralympic athletes to mirror the Diamond League series for able-bodied competitors.

BBC: Plans to reopen Olympic stadium with athletics meet

The International Olympic Committee (IOC), the International Paralympic Committee (IPC), the Council of Europe (COE), the Intergovernmental Committee for Physical Education and Sport (CIGEPS) and other intergovernmental sports organizations are invited as observers.

UNESCO: TOWARDS A BETTER SPORT

The World Anti-Doping Agency (WADA) is also invited in an advisory capacity, with the presence of key partners which will participate as observers, including the International Olympic Committee (IOC), the International Paralympic Committee (IPC), the Council of Europe (CoE), the Intergovernmental Committee for Physical Education and Sport (CIGEPS) and various intergovernmental and international sports organizations.

UNESCO: Social and Human Sciences Events | United Nations Educational, Scientific and Cultural Organization