1380 CANCER October 1, 1999 / Volume 86 / Number 7 Erratum The authors of an article in the August 1, 1997, issue of Cancer (Abdel-Wahab Z, Weltz C, Hester D, Pickett N, Vervaert C, Barber J, et al. A Phase I clinical trial of immunotherapy with interferon-g gene-modified autologous melanoma cells: monitoring the humoral immune response. Cancer 1997;80:401–12) have discovered that two of the vaccine cell lines were mixed up, and patient DM343 received an allogeneic rather than autologous vaccine. All the remaining 19 patients, however, received autologous vaccines. The authors regret the error.