|1||Enrolling by invitation||
Pharmacogenetic Morphine Spine Study
|2||Active, not recruiting||
Preemptive Genotyping and Pain Management
Patient Controlled Analgesia Pharmacogenetic Study
Multicenter Perioperative Opioid Pharmacogenetic Study
A Comparison of Postoperative Tramadol Versus Acetaminophen With Codeine in Children Undergoing Tonsillectomy
† Study has passed its completion date and status has not been verified in more than two years.