Duration of Antibiotic Treatment in Disseminated Lyme Borreliosis: a Double-Blind, Randomized, Placebo-Controlled, Multi-center Clinical Study
European Journal of Clinical Microbiology and Infectious Diseases, 2007 (abstract only). 152 patients were given 3 weeks of ceftriaxone therapy, then half were followed with 100 days of amoxycillin or placebo, to see if additional oral antibiotics contributed to long-term outcome.