|1||Active, not recruiting||
Long-Term Safety and Tolerability Study of NKTR-181 in Subjects With Chronic Low Back Pain or Chronic Non-Cancer Pain
Efficacy and Safety Study of NKTR-181 in Opioid-Naive Subjects With Low Back Pain
A Phase 2 Study To Assess The Efficacy, Tolerability, And Safety OF NKTR-181 In Subjects With Chronic OA Knee Pain
† Study has passed its completion date and status has not been verified in more than two years.