Extension Study of Semapimod 60 mg IV x 3 Days
Extension Study of Semapimod 60 mg IV x 3 Days
Study CNI-1493-CD06 is an open, single-arm extension studies to CD03 and CD05. CDAI is the
 only efficacy measure assessed in this study. The safety of multiple courses of semapimod is
 to be determined by the incidence of clinical and laboratory adverse events.
Inclusion Criteria:

 The study was open to patients who had satisfactorily completed either study CNI-1493-CD-03
 or CNI-1493-CD-05. Initial entry criteria were:

 1. Patients who satisfactorily completed either study CNI-1493-CD-03 or CD-05 were
 eligible for participation in this study. Satisfactory completion was defined as
 follows:

 1. The patient completed 5 treatment courses in the previous trial.

 2. The patient had responded to treatment, as defined by a decrease in CDAI of at
 least 70 points from original baseline (prior to treatment on study CD-02 or
 CD-04) at the last assessment for study CD-03 or CD-05, respectively. The
 decrease had to be attributable to semapimod treatment. Thus, patients whose
 response was attributable to other anti-Crohn's disease therapy are not to be
 included.

 3. The patient had no adverse event >grade 2 felt to be probably or definitely
 related to study medication.

 4. The patient did not meet any discontinuation criterion in previous trial.

 2. Patients had to sign informed consent specifically for this study, in addition to the
 consents for the previous studies, CNI-1493-CD-02 or CD-03, and CNI-1493-CD-04 or
 CD-05.

 3. Patients could not take any other investigational therapies during the course of this
 study.

 4. Men and women of childbearing potential had to be using a barrier method (diaphragm or
 condom) of contraception and continue doing so for at least 3 months after last study
 medication. It was strongly recommended that two forms be used.

 5. Patients had to be able to adhere to the study visit schedule and/or protocol
 requirements.

 Exclusion Criteria:

 Could not have met any of the exclusion criteria for the CD02, 03, 04 or 05 studies.