ChibiYuuto has had a recent posting of the current status of CLAMP’s on-hiatus series, X/1999 and Gohou Drug. While the news of their hiatuses hasn’t changed, a letter recieved from the Kadokawa company does work as assurance that they are remaining in talks with CLAMP about the projects. Included in the post is a detailed timeline following the two series’ since new chapters stopped coming out.
Gohou Drug was stopped at 3 volumes with its last chapter published in July 2003 and Tokyopop has released the three existing volumes under the name, Legal Drug. X/1999 has been on hiatus since March 2003 and currently has 18 complete volumes, all published in English by Viz.