Tokyo, Oct 19, 2006 (JCN) - Sanko Junyaku Co., Ltd., Eisai Co., Ltd. and Fujirebio Inc. today announced their conclusion of a joint research agreement for development of a new KL-6 test kit consisting of an in-vitro, supplementary diagnostic marker for interstitial pneumonia compatible with LUMIPULSE (automatic chemiluminescent enzyme immunoassay) systems.