| Unknown | Treatment Effect of Cross-frequency Transcranial Alternating Current Stimulation on the MUD NCT06145698 | Shanghai Mental Health Center | N/A |
| Enrolling By Invitation | Hospital-Based Contingency Management NCT05515757 | Oregon Health and Science University | N/A |
| Recruiting | Psilocybin-Enhanced Psychotherapy for Methamphetamine Use Disorder NCT04982796 | Portland VA Research Foundation, Inc | Phase 1 / Phase 2 |
| Unknown | Implementation and Effectiveness of Multidiscipline-Integrated Addiction Treatment Model NCT04203654 | National Health Research Institutes, Taiwan | N/A |
| Unknown | Computerized Exercise to Alter Stimulant Approach Responses NCT03902405 | University of British Columbia | N/A |
| Completed | Conflict Between Maternal Autonomy and Child Health in Substance-use NCT02797990 | London School of Hygiene and Tropical Medicine | — |
| Completed | Mephedrone and Alcohol Interactions in Humans NCT02294266 | Parc de Salut Mar | Phase 1 |
| Completed | Abuse Liability and Human Pharmacology of Mephedrone NCT02232789 | Parc de Salut Mar | Phase 1 |
| Unknown | A Cognitive Behavioral Therapy-Based Text Message Intervention for Methamphetamine Dependence NCT01899313 | California Pacific Medical Center Research Institute | N/A |
| Completed | Mirtazapine for the Treatment of Methamphetamine Dependence Among MSM (M2.0) NCT01888835 | Phillip Coffin, MD, MIA | Phase 2 |
| Completed | Extended-Release Naltrexone to Treat Methamphetamine Dependence in Men Who Have Sex With Men (MSM) NCT01449565 | San Francisco Department of Public Health | Phase 2 |
| Completed | Pharmacological Interaction Between Doxazosin and Methylenedioxymethamphetamine (MDMA) NCT01386177 | University Hospital, Basel, Switzerland | Phase 1 |
| Completed | Pharmacological Interaction Between Carvedilol and Methylenedioxymethamphetamine (MDMA) NCT01270672 | University Hospital, Basel, Switzerland | N/A |
| Completed | Pharmacological Interaction Between Clonidine and Methylenedioxymethamphetamine (MDMA) NCT01136278 | University Hospital, Basel, Switzerland | Phase 1 |
| Completed | Interaction Between Duloxetine and 3,4-Methylenedioxymethamphetamine (MDMA, Ecstasy) NCT00990067 | University Hospital, Basel, Switzerland | Phase 1 |
| Completed | Interaction Between Reboxetine and 3,4-Methylenedioxymethamphetamine: Pharmacodynamics (PD) and Pharmacokineti NCT00886886 | University Hospital, Basel, Switzerland | Phase 1 |
| Completed | Contingency Management for Methamphetamine Abstinence and HIV Post-Exposure Prophylaxis in Men Who Have Sex Wi NCT00856323 | Friends Research Institute, Inc. | Phase 2 |
| Completed | Investigation of Serotonin Neurotransmission in MDMA Users Using Combinated Dexfenfluramine Challenge and PET NCT01296802 | University of Zurich | N/A |
| Completed | Study to Evaluate the Likeability, Safety, and Abuse Potential of NRP 104 in Adults With Histories of Stimulan NCT00248092 | New River Pharmaceuticals | Phase 1 / Phase 2 |
| Completed | Functional Brain Imaging in Recreational Users of Ecstasy NCT00254306 | Hadassah Medical Organization | — |
| Completed | Safety, Tolerability and Abuse Liability Study of Intravenous NRP104 in Adults With Stimulant Abuse Histories NCT00247572 | New River Pharmaceuticals | Phase 2 |
| Unknown | Assessment of Interactions Between Intravenous Methamphetamine and Modafinil - 1 NCT00265278 | National Institute on Drug Abuse (NIDA) | Phase 1 |
| Completed | Long-term Behavior Change - 1 NCT00158197 | Friends Research Institute, Inc. | N/A |
| Unknown | To Assess the Safety and Tolerability of 7.5, 15 and 30 mg of Sublingual Lobeline. - 1 NCT00100074 | National Institute on Drug Abuse (NIDA) | Phase 1 |
| Unknown | Assessment of Interactions Between Methamphetamine and Aripiprazole - 1 NCT00089440 | National Institute on Drug Abuse (NIDA) | Phase 1 |
| Unknown | A Phase 1 Parallel-Group, Double-Blind, Placebo-Controlled Cardiovascular and Behavioral Study Assessing Inter NCT00267657 | National Institute on Drug Abuse (NIDA) | Phase 1 |
| Completed | Bupropion for the Treatment of Methamphetamine Dependence - 1 NCT00069251 | National Institute on Drug Abuse (NIDA) | Phase 2 |
| Unknown | Assessment of Potential Interactions Between Methamphetamine and Bupropion - 1 NCT00040040 | National Institute on Drug Abuse (NIDA) | Phase 1 |
| Completed | Ondansetron for the Treatment of Methamphetamine Dependence - 1 NCT00040053 | National Institute on Drug Abuse (NIDA) | Phase 2 |
| Unknown | Assessment of Potential Interactions Between Methamphetamine and Selegiline - 1 NCT00033072 | National Institute on Drug Abuse (NIDA) | Phase 1 |
| Completed | Pharmacological Interaction Between Pindolol and MDMA (3,4-Methylenedioxymethamphetamine) NCT00895804 | University Hospital, Basel, Switzerland | Phase 1 |
| Unknown | Effects of Stimulant Dependence on Human Striatal Dopamine System - 15 NCT00000350 | National Institute on Drug Abuse (NIDA) | Phase 1 |
| Completed | Tyrosine for Methamphetamine Dependence - 1 NCT00000322 | National Institute on Drug Abuse (NIDA) | Phase 2 |
| Unknown | Cognitive Correlates of Substance Abuse, Part 2 - 16 NCT00000351 | National Institute on Drug Abuse (NIDA) | — |
| Unknown | Cognitive Correlates of Substance Abuse - 11 NCT00000346 | National Institute on Drug Abuse (NIDA) | Phase 4 |