Tetrahydroaminoacridine in HIV infections. The THA Study Group.

On the basis of a similarity between certain neurological symptoms of AIDS and Alzheimer's disease, the authors studied the effects of tetrahydroaminoacridine (THA) in 9 patients with HIV infection. After 2 months of treatment, the preliminary results showed a significant increase in CD4 lymphocyte count as well as a decrease in p24 antigen level in 8 patients, of whom 4 became negative for the p24 antigen.