Ferritin is an acute phase protein which is often elevated in acute an
d chronic inflammation, as well as in neoplastic disease. In adults wi
th human immunodeficiency virus (HIV) infection, elevated serum ferrit
in levels indicate advanced or progressive disease. In the present stu
dy, ferritin levels were evaluated in 88 HIV-infected children. Ferrit
in levels greater than 100 ng/ml were found in 93% of patients with ad
vanced disease. Increasing levels always accompanied or closely preced
ed rapid disease progression. Serum ferritin levels may prove to be a
useful marker to monitor disease progression and therapeutic efficacy
in HIV-infected children.