Discontinued PB127 development program for business reasons

The purpose of this study is to collect longer term follow-up information concerning health and survival on selected patients who received PB127 for injectable suspension in the pivotal trial (127-014).

Inclusion Criteria:

Patients enrolled in Protocol 127-014 who

1. Were enrolled in Stratum 1
2. Did not undergo angiography during study evaluation
3. Did not have a clinical oucome during the initial 6 month follow-up period as described in Protocol 127-014.

Subjects with low/very low pre-test probability of coronary artery disease enrolled in Protocol 127-014 who did not have or were not schedule to undergo coronary angiography at the time of enrollment and did not have a clinical outcome during the initial 6 month follow-up period.