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marijuana | Active, not recruiting, Completed, Enrolling by invitation, Suspended, Terminated, Withdrawn, No longer available, Temporarily not available, Approved for marketing, Unknown status Studies | United States
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marijuana | Active, not recruiting, Completed, Enrolling by invitation, Suspended, Terminated, Withdrawn, No longer available, Temporarily not available, Approved for marketing, Unknown status Studies | United States (314 records)
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1 | NCT00743145 | Completed | Effects of Low-dose Naltrexone in Combination With a Range of Smoked Marijuana |
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Interventional | Phase 2 |
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Other / NIH |
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49 | All | 21 Years to 45 Years (Adult) | NCT00743145 | 5693 | May 2008 | July 2009 | September 2009 | August 28, 2008 | October 26, 2016 |
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2 | NCT00373503 | Completed | Effect of Lofexidine and Oral THC on Marijuana Withdrawal and Relapse |
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Interventional | Phase 2 |
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Other / NIH |
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8 | All | 21 Years to 45 Years (Adult) | NCT00373503 | 4942 R01DA019239 |
August 2005 | June 2007 | September 2008 | September 8, 2006 | February 5, 2013 |
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3 | NCT02723149 | Active, not recruiting | Marijuana Approach Bias Retraining and Neural Response in Youth |
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Interventional | Not Applicable |
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Other |
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40 | All | 16 Years to 21 Years (Child, Adult) | NCT02723149 | 44583 | MJ-AAT | November 2015 | September 2017 | September 2017 | March 30, 2016 | December 2, 2016 |
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4 | NCT02837315 | Completed | Improving Brief Marijuana Interventions With a Behavioral Economic Supplement |
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Interventional | Not Applicable |
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Other / NIH |
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133 | All | 18 Years and older (Adult, Senior) | NCT02837315 | 3R01AA020829-02S1 4R01AA020829-05 |
BLUE-J | October 23, 2014 | November 30, 2016 | November 30, 2016 | July 19, 2016 | May 2, 2017 |
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5 | NCT01798186 | Completed Has Results |
Pharmacokinetic and Pharmacodynamic Effects of Passive Cannabis Inhalation |
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Interventional | Phase 1 |
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Other / U.S. Fed |
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26 | All | 18 Years to 45 Years (Adult) | NCT01798186 | NA_00082269 | May 2013 | August 2013 | August 2013 | February 25, 2013 | August 3, 2017 | August 3, 2017 |
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6 | NCT00743366 | Completed Has Results |
Effect of Quetiapine on Marijuana Withdrawal and Relapse |
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Interventional | Phase 2 |
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Other / NIH |
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20 | All | 21 Years to 45 Years (Adult) | NCT00743366 | 5685 5P50DA009236 |
August 2008 | March 2009 | March 2009 | August 28, 2008 | August 18, 2017 | July 12, 2017 |
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7 | NCT00373399 | Completed | Effects of Smoked Marijuana on Risk Taking and Decision Making Tasks |
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Interventional | Phase 2 |
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Other / NIH |
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278 | All | 21 Years to 45 Years (Adult) | NCT00373399 | 5204 | May 2006 | March 2008 | March 2008 | September 8, 2006 | October 26, 2016 |
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8 | NCT00374127 | Completed Has Results |
Comparison Between Marijuana Smoked in Cigarette Paper Versus Cigar Paper |
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Interventional | Phase 2 |
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Other / NIH |
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35 | All | 21 Years to 45 Years (Adult) | NCT00374127 | 4683 | December 2004 | August 2008 | August 2008 | September 8, 2006 | September 1, 2017 | September 1, 2017 |
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9 | NCT00943930 | Completed | Marijuana Drug Discrimination and Self-Administration |
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Observational |
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Other / NIH |
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29 | All | 21 Years to 45 Years (Adult) | NCT00943930 | NIDA DA026761 R01DA026761-01 |
DDC | April 2009 | December 2012 | December 2014 | July 22, 2009 | April 28, 2016 |
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10 | NCT01574183 | Completed Has Results |
Vilazodone Treatment for Marijuana Dependence |
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Interventional | Phase 2 |
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Other / NIH |
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76 | All | 18 Years to 65 Years (Adult) | NCT01574183 | 16488 R21DA034089 |
August 2012 | August 2015 | February 2016 | April 10, 2012 | August 10, 2016 | January 14, 2016 |
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11 | NCT02898974 | Completed | Medical Marijuana and Its Effects on Motor Function in People With Multiple Sclerosis |
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Observational |
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Other |
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19 | All | 30 Years to 60 Years (Adult) | NCT02898974 | 16-6685HH | September 2016 | October 2017 | October 2017 | September 13, 2016 | January 17, 2018 |
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12 | NCT02579421 | Completed | Hormones and Reduction in Co-users of Marijuana and Nicotine |
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Interventional | Not Applicable |
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Other |
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100 | All | 18 Years to 60 Years (Adult) | NCT02579421 | 1509M78103 | November 2015 | July 27, 2017 | July 27, 2017 | October 19, 2015 | July 28, 2017 |
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13 | NCT01771731 | Active, not recruiting | Vaporized Cannabis for Chronic Pain Associated With Sickle Cell Disease |
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Interventional | Phase 1 Phase 2 |
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Other / NIH |
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34 | All | 18 Years and older (Adult, Senior) | NCT01771731 | U54HL117664-01 6610 |
Cannabis-SCD | August 2014 | May 2017 | October 2017 | January 18, 2013 | July 11, 2017 |
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14 | NCT02439814 | Completed | Pregnenolone and Marijuana Dependence |
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Interventional | Phase 2 |
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Other |
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21 | All | 18 Years to 65 Years (Adult) | NCT02439814 | PRO42135 | June 2015 | April 2016 | April 2016 | May 12, 2015 | September 14, 2016 |
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15 | NCT00580671 | Completed Has Results |
Treatment for Adolescent Marijuana Abuse |
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Interventional | Not Applicable |
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Other / NIH |
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153 | All | 12 Years to 18 Years (Child, Adult) | NCT00580671 | 75185 5R01DA015186-07 5R01DA015186-08 |
November 2007 | July 2012 | December 2013 | December 27, 2007 | August 20, 2015 | June 5, 2013 |
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16 | NCT00373295 | Completed Has Results |
Effect of Baclofen on Marijuana Withdrawal and Relapse |
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Interventional | Phase 2 |
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Other / NIH |
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13 | All | 21 Years to 45 Years (Adult) | NCT00373295 | 5232 5P50DA009236 |
May 2006 | January 2008 | January 2010 | September 8, 2006 | May 10, 2017 | May 10, 2017 |
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17 | NCT02030665 | Active, not recruiting | Marijuana Treatment Project 4 |
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Interventional | Not Applicable |
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Other |
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275 | All | 18 Years to 99 Years (Adult, Senior) | NCT02030665 | NIDA-12728-11 | MTP4 | February 2013 | August 2018 | August 2018 | January 8, 2014 | August 1, 2017 |
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18 | NCT00875836 | Completed Has Results |
Buspirone Treatment for Marijuana Dependence |
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Interventional | Phase 4 |
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Other / NIH |
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175 | All | 18 Years to 65 Years (Adult) | NCT00875836 | R01DA026782 DPMCDA |
September 2009 | June 2014 | March 2016 | April 3, 2009 | August 10, 2016 | March 9, 2016 |
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19 | NCT00249509 | Completed | Effectiveness of Nefazodone and Bupropion in Treating Marijuana Dependent Individuals |
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Interventional | Phase 2 |
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NIH |
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132 | All | 18 Years to 65 Years (Adult) | NCT00249509 | NIDA-13191-1 R01-DA013191-1 DPMC |
September 2000 | September 2004 | September 2004 | November 7, 2005 | January 16, 2017 |
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20 | NCT01179425 | Completed | Sex Differences in Attentional Bias in Marijuana-dependent Individuals |
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Interventional | Not Applicable |
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Other |
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40 | All | 18 Years to 65 Years (Adult) | NCT01179425 | HR# 19292 | August 2009 | February 2011 | February 2011 | August 11, 2010 | April 14, 2011 |
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21 | NCT02191605 | Completed | Computer-delivered Screening & Brief Intervention for Marijuana Use in Pregnancy |
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Interventional | Phase 1 |
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Other / NIH |
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60 | Female | 18 Years to 40 Years (Adult) | NCT02191605 | R34DA036788 1R34DA036788 |
September 30, 2015 | April 20, 2017 | October 27, 2017 | July 16, 2014 | April 17, 2018 |
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22 | NCT00893074 | Completed Has Results |
The Effect of Prescription Medications in Marijuana Users |
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Interventional | Phase 1 Phase 2 |
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Other / NIH |
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24 | All | 18 Years and older (Adult, Senior) | NCT00893074 | NA_00026278 R01DA025044 |
April 2009 | October 2011 | October 2011 | May 5, 2009 | August 3, 2017 | August 3, 2017 |
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23 | NCT00613405 | Completed Has Results |
Stress and Marijuana Cue-elicited Craving and Reactivity |
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Interventional | Not Applicable |
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Other / NIH |
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87 | All | 18 Years to 65 Years (Adult) | NCT00613405 | HR#17195 R21DA022424 R21DA022424-01A1 |
January 2008 | May 2009 | May 2009 | February 13, 2008 | April 30, 2013 | May 4, 2012 |
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24 | NCT03233633 | Enrolling by invitation | Marijuana in Combination With Opioids in Palliative and Hospice Patients |
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Interventional | Phase 1 |
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Other |
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66 | All | 18 Years and older (Adult, Senior) | NCT03233633 | WIRB Protocol 20161880-1167645 | May 10, 2017 | August 2018 | September 2018 | July 28, 2017 | August 31, 2017 |
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25 | NCT03073291 | Enrolling by invitation | Intervening to Prevent Youth Access to Marijuana Phase II |
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Interventional | Not Applicable |
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Industry / Other |
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150 | All | 21 Years and older (Adult, Senior) | NCT03073291 | 2R44DA038933-02 0309 |
June 2016 | May 2018 | May 2018 | March 8, 2017 | March 12, 2018 |
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26 | NCT01697709 | Completed | Quetiapine Pharmacotherapy for Cannabis Dependence |
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Interventional | Phase 2 |
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Other / NIH |
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130 | All | 18 Years to 60 Years (Adult) | NCT01697709 | 6623 1R01DA031826 |
QUEST | October 1, 2012 | December 1, 2016 | December 1, 2016 | October 2, 2012 | August 22, 2017 |
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27 | NCT01400243 | Completed Has Results |
Nicotine Patch for Marijuana Withdrawal |
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Interventional | Phase 4 |
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Other / NIH |
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127 | All | 18 Years to 50 Years (Adult) | NCT01400243 | NIH/NIDA 1R01DA031006 - 01 R01DA031006 |
NMW | April 2011 | June 2014 | June 2014 | July 22, 2011 | April 30, 2015 | April 30, 2015 |
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28 | NCT00893269 | Completed | The Effect of Marijuana and Prescription Medications in Mood, Performance and Sleep |
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Interventional | Phase 1 |
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Other / U.S. Fed / NIH |
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36 | All | 18 Years to 55 Years (Adult) | NCT00893269 | NA_00017909 R21DA025794 |
October 2008 | October 2010 | October 2010 | May 5, 2009 | December 5, 2013 |
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29 | NCT02165176 | Completed | Pharmacokinetic and Pharmacodynamic Effects of Oral Cannabis |
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Interventional | Phase 1 |
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Other / U.S. Fed |
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24 | All | 18 Years to 45 Years (Adult) | NCT02165176 | IRB00035394 | June 2014 | September 2014 | September 2014 | June 17, 2014 | October 21, 2015 |
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30 | NCT01555983 | Completed Has Results |
Vaporized Cannabis and Spinal Cord Injury Pain |
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Interventional | Phase 2 Phase 3 |
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Other / U.S. Fed / NIH |
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42 | All | 18 Years to 70 Years (Adult, Senior) | NCT01555983 | 256412 1R01DA030424-01A1 |
July 2012 | August 2014 | August 2014 | March 16, 2012 | April 18, 2017 | January 15, 2016 |
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31 | NCT01335789 | Completed Has Results |
Effect of Oxytocin on Stress in Marijuana Users |
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Interventional | Not Applicable |
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Other |
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16 | All | 18 Years to 65 Years (Adult) | NCT01335789 | 20274 | March 2011 | July 2012 | July 2012 | April 14, 2011 | December 14, 2015 | August 15, 2014 |
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32 | NCT02869451 | Completed Has Results |
Mobile Contingency Management for Marijuana and Cessation |
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Interventional | Not Applicable |
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Other |
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7 | All | 18 Years to 70 Years (Adult, Senior) | NCT02869451 | Pro00072366 | August 2016 | May 17, 2017 | May 17, 2017 | August 17, 2016 | April 9, 2018 | April 9, 2018 |
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33 | NCT02132832 | Completed Has Results |
Buspirone, Stress, and Attentional Bias to Marijuana Cues |
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Interventional | Phase 2 |
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Other / NIH |
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45 | All | 18 Years to 45 Years (Adult) | NCT02132832 | buspirone, stress, marijuana R21DA034825 |
June 2013 | March 2016 | March 2016 | May 7, 2014 | June 2, 2017 | April 7, 2017 |
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34 | NCT00158249 | Completed Has Results |
Effects of Citicoline on Brain Function and Behavior in Marijuana-Dependent Individuals |
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Interventional | Phase 2 |
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Other / NIH |
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21 | All | 18 Years to 45 Years (Adult) | NCT00158249 | NIDA-19238-1 R01DA019238 DPMC R01DA024007 |
September 2009 | January 2013 | October 2014 | September 12, 2005 | October 22, 2014 | October 22, 2014 |
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35 | NCT01037088 | Completed Has Results |
Effects of Vaporized Marijuana on Neuropathic Pain |
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Interventional | Phase 1 Phase 2 |
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Other / U.S. Fed |
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44 | All | 18 Years to 70 Years (Adult, Senior) | NCT01037088 | 200614658 C06-DA-119 |
December 2009 | November 2012 | November 2012 | December 21, 2009 | January 31, 2018 | April 9, 2013 |
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36 | NCT00107588 | Completed | Marijuana Treatment Project - 3 |
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Interventional | Not Applicable |
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Other / NIH |
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215 | All | 18 Years to 80 Years (Adult, Senior) | NCT00107588 | NIDA-12728-06 R01DA012728-06 R01-12728-06 |
MTP-3 | February 2007 | April 2011 | August 2012 | April 6, 2005 | July 28, 2017 |
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37 | NCT01620177 | Completed Has Results |
Effects of Inhaled Cannabis on Driving Performance |
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Interventional | Not Applicable |
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Other / NIH |
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98 | All | 21 Years to 55 Years (Adult) | NCT01620177 | 201109850 | July 2012 | March 2014 | March 2014 | June 15, 2012 | June 1, 2017 | June 1, 2017 |
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38 | NCT00217971 | Completed Has Results |
Dronabinol Treatment for Marijuana Addiction |
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Interventional | Phase 2 |
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Other / NIH |
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156 | All | 18 Years to 60 Years (Adult) | NCT00217971 | #4886-NIDA-09236-11 P50DA009236 P50DA009236-11 DPMC |
MARINOL | March 2005 | December 2009 | December 2009 | September 22, 2005 | April 8, 2016 | November 1, 2011 |
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39 | NCT00218517 | Completed | Effectiveness of Selegiline in Treating Marijuana Dependent Individuals - 1 |
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Interventional | Phase 2 |
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NIH |
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19 | All | 18 Years and older (Adult, Senior) | NCT00218517 | NIDA-19246-1 R21-19246-1 DPMC |
March 2005 | July 2007 | July 2007 | September 22, 2005 | January 12, 2017 |
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40 | NCT00946348 | Completed Has Results |
Cannabis and Schizophrenia: Self-Medication and Agonist Treatment |
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Interventional | Phase 1 |
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Other / NIH |
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12 | All | 18 Years to 50 Years (Adult) | NCT00946348 | R01DA013196 1R01DA026799-01 R01DA026799-01 DPMC |
December 2009 | October 2012 | October 2012 | July 27, 2009 | March 14, 2018 | September 29, 2014 |
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41 | NCT01394185 | Completed Has Results |
Effects of Dronabinol (Oral THC) on Cannabis Use |
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Interventional | Phase 1 Phase 2 |
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Other / NIH |
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25 | All | 18 Years to 100 Years (Adult, Senior) | NCT01394185 | NA_00041251 R01DA025044 |
February 2011 | September 2012 | September 2012 | July 14, 2011 | August 3, 2017 | August 3, 2017 |
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42 | NCT02011516 | Completed Has Results |
Baclofen Effects on Marijuana Dependence |
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Interventional | Phase 2 |
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Other |
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47 | All | 18 Years to 60 Years (Adult) | NCT02011516 | 818755 CURE CANN |
December 2013 | June 2015 | June 2015 | December 13, 2013 | June 14, 2017 | June 14, 2017 |
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43 | NCT02177513 | Completed | Effects of Cannabis Administration Routes on Human Performance and Pharmacokinetics |
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Interventional | Phase 1 |
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NIH |
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28 | All | 18 Years to 50 Years (Adult) | NCT02177513 | 999914135 14-DA-N135 |
June 14, 2014 | April 27, 2016 | April 27, 2016 | June 27, 2014 | April 17, 2018 |
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44 | NCT00594659 | Completed Has Results |
Development and Efficacy Test of Computerized Treatment for Marijuana Dependence |
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Interventional | Not Applicable |
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Other |
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75 | All | 18 Years to 65 Years (Adult) | NCT00594659 | 88268 1R01DA023526-01 1R01DA023526-02 1R01DA023526-03 |
November 2008 | July 2012 | July 2012 | January 16, 2008 | December 4, 2013 | December 4, 2013 |
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45 | NCT00838448 | Completed | Interactions Between Physical Activity and Cannabis Use in Adults |
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Interventional | Not Applicable |
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Other |
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30 | All | 18 Years to 35 Years (Adult) | NCT00838448 | 081302 | January 2009 | January 2011 | June 2013 | February 6, 2009 | June 12, 2013 |
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46 | NCT01347762 | Completed | Nabilone for Cannabis Dependence: A Pilot Study |
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Interventional | Phase 2 Phase 3 |
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Other / NIH |
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70 | All | 18 Years to 45 Years (Adult) | NCT01347762 | 2010-P-000096 1K99DA029115-01 |
NAB CAN | June 2010 | June 9, 2017 | June 9, 2017 | May 4, 2011 | April 11, 2018 |
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47 | NCT01536899 | Completed | Medical Marijuana Use in HIV+ Patients Prospective Cohort Study |
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Observational |
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Other / NIH |
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119 | All | 18 Years to 70 Years (Adult, Senior) | NCT01536899 | MMC-1 R01DA032678 |
MMC-1 | February 2012 | June 2017 | June 2017 | February 22, 2012 | April 5, 2018 |
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48 | NCT01005810 | Unknown † | A Trial of N-Acetylcysteine (an Over-the-Counter Medicine) in Adolescents Who Smoke Marijuana |
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Interventional | Phase 2 |
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Other |
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72 | All | 13 Years to 21 Years (Child, Adult) | NCT01005810 | 19152 R01DA026777 |
September 2009 | July 2011 | July 2011 | November 2, 2009 | November 2, 2009 |
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49 | NCT00218504 | Completed | Responses to Marijuana-Related Cues Versus Neutral Cues in Adults Taking Tetrahydrocannabinol (THC) - 2 |
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Observational |
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Other / NIH |
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20 | All | 21 Years to 45 Years (Adult) | NCT00218504 | NIDA-19236-2 R21DA019236 DPMCDA |
December 2005 | October 2009 | September 22, 2005 | June 5, 2012 |
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50 | NCT00131456 | Completed Has Results |
Free Venlafaxine Treatment for Marijuana Addiction and Depression - 1 |
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Interventional | Phase 2 |
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Other / NIH |
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123 | All | 18 Years to 60 Years (Adult) | NCT00131456 | #4695 R01DA015451 |
VEN | March 2004 | December 2010 | December 2010 | August 18, 2005 | April 8, 2016 | June 4, 2013 |
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† Study has passed its completion date and status has not been verified in more than two years.