Hallucinogens: all 554 studies that test it
Page 2 of 6. Open to participants first (189), then studies with results posted, then the rest; newest registration first within each.
- Psilocybin-Assisted Psychotherapy in Treating Irritable Bowel Syndrome (IBS)Not yet recruitingNCT06760533Early Phase 1
- Research Investigating Drug Effects-2 (RiDE-2)Not yet recruitingNCT06758596Early Phase 1
- Phytocannabinoids for Reducing Chronic Chemotherapy-Induced Peripheral Neuropathy in Breast and Colon Cancer SurvivorsRecruitingNCT06731894Phase 2
- Psilocybin for Enhanced Analgesia in Chronic nEuropathic PAINRecruitingNCT06731335Phase 2
- Psilocybin for Prolonged Grief DisorderRecruitingNCT06724289Early Phase 1
- Acceptability & Safety of Two Sequential Doses of Psilocybin in Bipolar Disorder II Depression and SuicidalityRecruitingNCT06706232Phase 2
- MDMA in Borderline Personality DisorderRecruitingNCT06683014Phase 2
- Psilocybin-assisted Treatment for Cannabis Use DisorderRecruitingNCT06660381Phase 1
- Effects of Psilocybin in Patients With Amyotrophic Lateral SclerosisRecruitingNCT06656702Early Phase 1
- Pilot fMRI Studies of Aging-Related Effects of THCRecruitingNCT06647524Phase 2
- Investigating the Interaction of Psilocybin and Context of Its Administration in Healthy VolunteersRecruitingNCT06626139Phase 2
- Treatment of Persisting Symptoms After Concussion With Psilocybin Assisted TherapyRecruitingNCT06615908Phase 1
- Effect of Cannabis on E-Cigarette Use BehaviorRecruitingNCT06609109Phase 1
- Effect of Cannabis on Cigarette Use BehaviorRecruitingNCT06609083Phase 1
- Impact of Daily Oral Cannabis Doses in Patients With CancerRecruitingNCT06601218Phase 1
- The Effects of Psilocybin on Shared Experience in Film ProcessingNot yet recruitingNCT06529939Not applicable
- Treatment With Psilocybin for Chronic Neuropathic Pain and Depression (TRANSCEND)RecruitingNCT06518720Phase 2
- DRonabinol Treatment of OSARecruitingNCT06477952Phase 1/2
- Psychedelic-assisted Group Program for First RespondersRecruitingNCT06471959Phase 1/2
- Mechanistic Studies of Psilocybin in Headache DisordersRecruitingNCT06464367Early Phase 1
- Psilocybin Therapy for Depression in Parkinson's DiseaseRecruitingNCT06455293Phase 2
- Dronabinol as an Adjunct for Reducing PainRecruitingNCT06454669Phase 2
- Psilocybin-assisted Therapy for Alcohol Use DisorderNot yet recruitingNCT06444243Phase 2
- Open-Label Psilocybin Study in Transdiagnostic PopulationRecruitingNCT06442423Phase 1
- Study of Psilocybin Assisted Psychotherapy to Address Fear of RecurrenceRecruitingNCT06430541Phase 1
- Dose Optimization of MDMA-Assisted Therapy for PTSDRecruitingNCT06418178Phase 2
- Psilocybin or Ketamine for Alcohol Use Disorder: An Active Comparator TrialRecruitingNCT06405607Phase 2
- Study of Psilocybin for Anorexia in Young AdultsRecruitingNCT06399263Phase 2
- Warrior CARE: Cannabis Behavioral HealthRecruitingNCT06381180Phase 1/2
- Behavioral Pharmacology of Orally Administered THC and D-limoneneRecruitingNCT06378957Phase 1
- Psilocybin for Hospitalized Patients with Treatment-resistant DepressionRecruitingNCT06378229Phase 2
- The Impact of Psilocybin on Pain in Fibromyalgia PatientsRecruitingNCT06368492Not applicable
- Investigating the Persisting Effects of a Single Dose of Psilocybin on Structural Plasticity in Healthy Older AdultsRecruitingNCT06367738Phase 1
- Psilocybin in Chronic Low Back Pain and DepressionRecruitingNCT06355414Phase 1
- Neurobehavioral Mechanisms of Psilocybin-assisted Treatment for AUDRecruitingNCT06349083Phase 2
- Cancer Related Major Depression Treated With a Single Dose of PsilocybinRecruitingNCT06319378Phase 2
- Cannabis (THC vs. CBD) in Multiple SclerosisRecruitingNCT06261489Phase 2
- The Effects of Psilocybin on Self-Focus and Self-Related Processing in Major Depressive DisorderRecruitingNCT06247839Phase 3
- Psilocybin-Assisted Psychotherapy in Patients With Advanced Cancer on Maintenance TherapyRecruitingNCT06200155Phase 2
- Exploration of Synaptotrophic Effects of Psilocybin in Opioid Use Disorder (OUD)RecruitingNCT06160284Phase 1
- Psilocybin-Assisted Therapy for Severe Alcohol Use DisorderRecruitingNCT06160232Phase 2
- Evaluation of Psilocybin-Assisted Psychotherapy in Treating Severe Depression in Patients With PTSDNot yet recruitingNCT06141876Phase 2
- Psilocybin rTMS for Treatment Resistant DepressionRecruitingNCT06132178Phase 2
- Outpatient Buprenorphine Induction With Psilocybin for Opioid Use DisorderRecruitingNCT06067737Phase 2
- MDMA-assisted Therapy for FibromyalgiaRecruitingNCT06066853Early Phase 1
- Psilocybin in Cancer Pain StudyRecruitingNCT06001749Phase 2
- Psilocybin-Assisted Psychotherapy for Alcohol Use DisorderRecruitingNCT05995769Phase 2
- Lysergic Acid Diethylamide (LSD) in Palliative CareRecruitingNCT05883540Phase 2
- Evaluation of Psilocybin-assisted Psychotherapy (PaP) for the Treatment of Post-traumatic Stress Disorder (PTSD) in Military VeteransNot yet recruitingNCT05876481Phase 2
- Age-dependent Effects of Smoked and Oral Delta-9-THCRecruitingNCT05865470Phase 1
- MDMA-assisted Cognitive Processing Therapy Versus Cognitive Processing Therapy for Veterans With Severe Posttraumatic Stress DisorderRecruitingNCT05837845Phase 2
- MDMA-Assisted Therapy for Veterans With Moderate to Severe Post Traumatic Stress DisorderRecruitingNCT05790239Phase 2
- MDMA-Assisted CBT for OCD (MDMA-CBT4OCD Study)RecruitingNCT05783817Phase 2
- Tolerability of MDMA in SchizophreniaRecruitingNCT05770375Phase 1/2
- MDMA Plus Exposure Therapy for PTSDEnrolling by invitationNCT05746572Phase 2
- Preliminary Effectiveness of Hybrid Individual and Group MDMA-assisted Therapy for War-related PTSDRecruitingNCT05732155Phase 2
- MDMA-assisted Prolonged Exposure Therapy for Comorbid Alcohol Use Disorder and Post-traumatic Stress DisorderRecruitingNCT05709353Phase 2
- The Impact of THC on Pain Modulation in FibromyalgiaRecruitingNCT05644054Not applicable
- Multimodal Magnetoencephalography and Electroencephalography Exploration of the Acute Effects of THC Exposure on Neural Noise and Information Transmission Within Working Memory NetworksNot yet recruitingNCT05641766Phase 2
- Standardized Natural Psilocybin-assisted Psychotherapy for Tapering of Opioid MedicationRecruitingNCT05585229Phase 2
- MDMA-assisted Therapy for Adjustment Disorder (AD) in Dyads of Patients With Cancer and a Concerned Significant OtherRecruitingNCT05584826Phase 2
- The Role of Personal Experience for the Therapeutic Attitude in the Context of Substance-assisted Therapy TrainingEnrolling by invitationNCT05570708Not applicable
- Cannabinoids for the Reduction of Inflammation and Sickle Cell Related PainRecruitingNCT05519111Phase 2
- Effects of Cannabidiol and Tetrahydrocannabinol on Microbiome and Neuroinflammation in HIVRecruitingNCT05514899Phase 2
- LSD to Improve Cluster Headache Impact TrialRecruitingNCT05477459Phase 2
- LSD Treatment for Persons With Alcohol Use DisorderRecruitingNCT05474989Phase 2
- MDMA-Assisted Therapy for Stress Disorders in Healthcare Workers and First RespondersNot yet recruitingNCT05455996Phase 2
- 5-HT2A Agonist Psilocybin in the Treatment of Tobacco Use DisorderRecruitingNCT05452772Phase 2
- Behavioral Pharmacology of THC and Beta-MyrceneNot yet recruitingNCT05432284Phase 1
- Pragmatic Trial of Psilocybin Therapy in Palliative CareRecruitingNCT05403086Phase 2
- Psilocybin Versus Ketamine in Treatment-Resistant DepressionRecruitingNCT05383313Phase 2
- Proof of Concept Trial of Cannabis Derivatives in Neuropathic PainRecruitingNCT05351801Phase 2
- THC Effects on Glucose in Type 2 DiabetesRecruitingNCT05322213Phase 1
- Effects of Psilocybin on Electrophysiology and the Dynamic Content of ThoughtRecruitingNCT05301608Phase 1/2
- Investigating the Mechanisms of the Effects of Psilocybin on Visual Perception and Visual Representations in the BrainRecruitingNCT05265546Phase 1
- Psilocybin-facilitated Treatment for Chronic PainRecruitingNCT05068791Early Phase 1
- Evaluation of Oral THC and CBD in Men and WomenRecruitingNCT05067387Phase 1
- Safety and Efficacy of Oral Cannabis in Chronic Spine PainRecruitingNCT05052541Phase 3
- Northwest Therapies Trauma Psilocybin Study Compassionate Use StudyNot yet recruitingNCT05042466Phase 1
- Cannabinoid Interactions With Central and Peripheral Pain Mechanisms in Osteoarthritis of the KneeRecruitingNCT04992624Phase 2
- Cannabis Use, Cognition, and the Endocannabinoid System in HIVRecruitingNCT04883255Early Phase 1
- Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans: Sub-Study IIRecruitingNCT04704271Phase 1
- Psilocybin for Depression in People With Mild Cognitive Impairment or Early Alzheimer's DiseaseRecruitingNCT04123314Early Phase 1
- Effects of Dronabinol in Opioid Maintained PatientsRecruitingNCT04025359Early Phase 1
- Lysergic Acid Diethylamide (LSD) as Treatment for Cluster HeadacheRecruitingNCT03781128Phase 2
- MDMA in Subjects With Moderate Hepatic Impairment and Subjects With Normal Hepatic FunctionNot yet recruitingNCT03606538Phase 1
- Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans: Sub-Study IRecruitingNCT02811510Phase 1
- Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy HumansRecruitingNCT02781519Phase 1
- Anesthetic Premedication With a Cannabis Extract (Cannapremed)RecruitingNCT02283281Phase 2/3
- Effects of Drugs on Stress MemoriesCompletedNCT06471647Early Phase 1Results posted
- Psilocybin-Assisted Therapy for the Treatment of Cancer-Related Anxiety in Patients With Metastatic CancerCompletedNCT05847686Phase 1/2Results posted
- Dronabinol On the Pain ExperienceTerminatedNCT05820685Phase 4Results posted
- Study of Harmine in Healthy SubjectsCompletedNCT05526430Phase 1Results posted
- A Dose-Finding Study of MM120 (LSD D-Tartrate) for the Treatment of Anxiety SymptomsCompletedNCT05407064Phase 2Results posted
- The Safety and Tolerability of COMP360 in Participants With Post-traumatic Stress DisorderCompletedNCT05312151Phase 2Results posted
- Psilocybin-assisted CBT for DepressionCompletedNCT05227612Phase 1Results posted
- Safety and Efficacy of Low Dose MM120 for ADHD Proof of Concept TrialCompletedNCT05200936Phase 2Results posted
- Frontline Clinician Psilocybin StudyCompletedNCT05163496Phase 3Results posted
- Open-label Study to Assess the Safety and Efficacy of Psilocybin With Psychotherapy in Adult Participants With FibromyalgiaCompletedNCT05128162Phase 2Results posted
- Pilot Study of Psilocybin-Assisted Therapy for Demoralization in Patients Receiving Hospice CareCompletedNCT04950608Phase 2Results posted