1.	Ketamine Hydrochloride and Best Pain Management in Treating Cancer Patients With Neuropathic Pain Phase: Phase III Type: Biomarker/Laboratory analysis, Supportive care Status: Active Age: 18 and over Sponsor: Other Protocol IDs: CDR0000696704, CRUK-KPS-2008-01, EU-21012, EUDRACT-2007-002080-27, ISRCTN-49116945, NCT01316744
2.	Efficacy of Low Analgesic Doses of Ketamine Associated With Opioids in Refractory Cancer Pain Treatment Phase: Phase III Type: Supportive care Status: Active Age: 18 and over Sponsor: Other Protocol IDs: P081242, NCT01326325
3.	Treatment of Severe Mucositis Pain With Oral Ketamine Mouthwash Phase: Phase II Type: Supportive care Status: Active Age: 18 and over Sponsor: Other Protocol IDs: WVU041011, NCT01566448
4.	Analgesic Effects of Topical Ketamine Mouthwash in Patients Receiving Chemoradiation or Radiotherapy for Head and Neck Cancer Phase: Phase II Type: Supportive care Status: Active Age: 18 and over Sponsor: Other Protocol IDs: D1022, NCT01653327
5.	Oral Ketamine in the Treatment of Depression and Anxiety in Palliative Care Cancer Patients Phase: Phase II Type: Supportive care Status: Active Age: 18 and over Sponsor: Other Protocol IDs: 12-001156, NCT01680172
6.	Oral Ketamine as an Adjuvant to Opioids for Pain Treatment in Cancer Patients Phase: No phase specified Type: Supportive care Status: Active Age: 18 and over Sponsor: Other Protocol IDs: TASMC-10-SB-392-CTIL, NCT01207206