The Eastern Cooperative Oncology Group (ECOG) is one of the largest clinical cancer research organizations in the United States and conducts clinical trials in all types of adult cancers.

What does ECOG 1 mean?

1—Restricted in physically strenuous activity but ambulatory and able to carry out work of a light or sedentary nature, e.g., light house work, office work. 80—Normal activity with effort, some signs or symptoms of disease.

What does ECOG stand for in clinical trials?

Eastern Clinical Oncology Group (ECOG) PS, first published in 1982 [3], is routinely used in daily clinical practice, as well as in clinical trials. In clinical trials, it forms part of the eligibility criteria.