OOIR: Observatory of International Research

Papers

(The TQCC of Journal of Psychoactive Drugs is 3. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-04-01 to 2025-04-01.)

Article	Citations
A Dose of Creativity: An Integrative Review of the Effects of Serotonergic Psychedelics on Creativity	62
Anxiety-related Symptoms following the Sporadic Use of Ecstasy – A Case Study	42
“Pressed OXY M30 Pills, Great Press, Potent, Fast Shipping!!!”: Availability of Counterfeit and Pharmaceutical Oxycodone Pills on One Major Cryptomarket	40
Methamphetamine-Induced Wakefulness and Sleep Management: A Qualitative Analysis of Online Narratives	27
Factors Associated with an Increased Risk of Opioid Misuse Among Patients with Non-Cancer Pain in Malaysian Pain Clinic Settings	27
Prevalence and Correlates of Lifetime Ecstasy/MDMA Use Among Asian American and Pacific Islander Adult Populations in the United States, 2015–2020	25
Vermont Primary Care Provider Perspectives on Psychedelics — A Cross-Sectional Study	23
The Differential Contribution of Adverse Childhood Experiences and Perceived Discrimination on Substance Use among Hispanic Emerging Adults	18
Clinical Characteristics of Health Professions Students with Nitrous Oxide Use Disorder	16
Substance use Attitudes, Beliefs, Experience, and Knowledge Among Nursing and Nursing Assistant Students	16
“Getting to the Root”: Ayahuasca Ceremony Leaders’ Perspectives on Eating Disorders	15
Prevalence and Predictors of Psychoactive Drug Use among Chinese Men Who Have Sex with Men: A Longitudinal and Mediation Study	15
Acculturation Style Is Associated with Stress and Tobacco Use among East African Immigrants	15
Predictors of Psychedelic Experience: A Thematic Analysis	14
A Nationwide Study Comparing Mental Health Professionals’ Willingness to Try Hallucinogenic Drugs in Basic Research or Clinical Practice	14
Mixed-Methods Study of Use and Attitudes About Psychedelics for Therapeutic Purposes Among Low-Income U.S. Veterans Nationally	12
Psychedelic Science, Contemplative Practices, and Indigenous and Other Traditional Knowledge Systems: Towards Integrative Community-Based Approaches in Global Health	12
Effects of Cannabis Use on Neurocognition: A Scoping Review of MRI Studies	10
Cannabis for Healing in a Native Community Clinic: Development and Results from an Informatics Research Tool	10
Youth and Young Adults’ Knowledge and Perceptions of Risks and Benefits Regarding Cannabis Products: A Cross-Sectional Analysis of Over 1,700 Individuals	9
Exploring Cultural Competence, Inclusivity, and Diversity in Ketamine Assisted Psychotherapy: A Phenomenological Study	9
Risk for Ecstasy Use Disorder and Other Substance Use Among International Users of Recreational Ecstasy/Molly/MDMA	9
Sleep-Related Cannabis Expectancy Questionnaire (SR-CEQ): Factor Analysis Replication, Internal Reliability, and Construct Validity	9
Caregivers’ Attitudes Toward Treatment Length for Persons in Swedish Opioid Agonist Treatment. A Qualitative Interview Study	9
Health-Promoting Behaviors in Male Patients with Opioid Use Disorder: An Exploratory Study	8

Exploring the Use of Psilocybin Therapy for Existential Distress: A Qualitative Study of Palliative Care Provider Perceptions	8
Examining Predictors of Nicotine Dependence in Korean Adolescents : Comparing Ever Quitters and Never Quitters	8
Lived Experiences of Nonmedical Use of Tramadol Among Urban Slum-Dwelling Youth in Ghana: A Qualitative Study	8
Prevalence and Patterns of Cannabis Product Adulteration: An Analysis of WEDINOS Data	8
Exposure to Secondhand Smoke at Home and Psychological Distress among College Students in China: The Role of Parental Attachment	8
Decisional Balance of Smoking and Planning to Quit Smoking: A Moderated Mediation Model among Chinese Male Smokers	7
Sex Moderates Associations Between Dimensions of Emotion Dysregulation and Problematic Cannabis Use	7
Assessing Technical Assistance Needs among Recovery Residence Operators in the United States	7
Prevalence and Correlates of GHB Use among Adults in the United States	7
Psychedelic Experiences and Mindfulness are Associated with Improved Wellbeing	7
Ayahuasca Ritual, Personality and Sociality: Observational Research Conducted in a Substance Use Disorder Rehabilitation Center in Uruguay	7
Co-use of Tobacco Products and Cannabis among Veterans: A Preliminary Investigation of Prevalence and Associations with Mental Health Outcomes	7
Smoking Outcome Expectancies in Chinese Young Adults	7
The Pharmacokinetics of Ketamine in the Breast Milk of Lactating Women: Quantification of Ketamine and Metabolites	7
Mystical and Affective Aspects of Psychedelic Use in a Naturalistic Setting: A Linguistic Analysis of Online Experience Reports	6
Positive and Negative Pathways Linking Depressive Symptoms to Problematic Alcohol Use Among Argentinian College Students: An Examination of Positive and Negative Urgency Traits and Internal Drinking M	6
Indigenous Voices in Psychedelic Therapy: Experiential Learnings from a Community-Based Group Psychedelic Therapy Program	6
Impact of a Naturalistic Psychedelic Experience on Smoking: A Retrospective Survey	6
The Role of Savoring in Young Adult Cannabis Use and Associated Consequences: A Replication Study	6
Attitudes Toward the Use of Medical Cannabis and the Perceived Efficacy, Side-effects and Risks: A Survey of Patients, Nurses and Physicians	6
Therapeutic Protocols Using Ketamine and Esketamine for Depressive Disorders: A Systematic Review	6
Safety and Efficacy of Ashwagandha Root Extract on Cognition, Energy and Mood Problems in Adults: Prospective, Randomized, Placebo-Controlled Study	5
Ketamine-Assisted Psychotherapy for Antisocial Personality Disorder: A Case Report	5
Three Cases of Reported Improvement in Microsmia and Anosmia Following Naturalistic Use of Psilocybin and LSD	5
Bibliometric Analysis of Academic Journal Articles Reporting Results of Psychedelic Clinical Studies	5
Psychedelic Experiences Increase Mind Perception but do not Change Atheist-Believer Status: A Prospective Longitudinal Study	5
Therapeutic Potential of Psilocybin for Treating Neuropsychiatric Long COVID Symptoms: A Reddit Investigation	5
Maintenance Intramuscular Ketamine-Assisted Psychotherapy, a Retrospective Chart Review of Efficacy, Adverse Events, and Dropouts from a Community Practice	5
Multidimensional Acculturation, Acculturative Stress and Alcohol or Drug Use of Adult Latinx Immigrants	5
Negative Affect Regulation and Marijuana Use in College Students: Evaluating the Mediating Roles of Coping and Sleep Motives	5
Efficacy and Safety of Four Psychedelic-Assisted Therapies for Adults with Symptoms of Depression, Anxiety, and Posttraumatic Stress Disorder: A Systematic Review and Meta-Analysis	5
Factors Associated with Psychosis in 2098 Methamphetamine Users Admitted to 104 Outpatient Counseling Centers in 80 Cities in Turkey	5
How Important Is a Guide Who Has Taken Psilocybin in Psilocybin-Assisted Therapy for Depression?	5
Healing Words: Effects of Psychoeducation on Likelihood to Seek and Refer Psychedelic-Assisted Psychotherapy Among BIPOC Individuals	4
Religion, Psychedelics, Risky Behavior, and Violence	4
Acute Psychedelic Reactions, Post-Acute Changes in Dysfunctional Attitudes, and Psychedelic-Associated Changes in Wellbeing	4
Biennial Changes in the Characteristics of Patients with Methamphetamine Use Disorder in Japan from 2000 to 2020	4
Effects of Ayahuasca on Gratitude and Relationships with Nature: A Prospective, Naturalistic Study	4
Associations of Lifetime Nonmedical Opioid, Methamphetamine, and Kratom Use within a Nationally Representative US Sample	4
Characteristics of Cannabis and Opioid Users Among Older U.S. Veterans and Their Health Outcomes: A Longitudinal Perspective	4
The Healthcare Profession as a Determinant of Depression, Suicidal Ideation, and Drug Use in Spain During the COVID-19 Pandemic Crisis	4
Predictors of Five-year Readmission to an Inpatient Service among Patients with Opioid Use Disorders	4
Fear of COVID-19 Diagnosis and Cannabis Use Patterns Among Adults with Chronic Health Conditions: Results from COVID-19 Cannabis Health Study	4
Cannabis Consumption Onset and Addiction: Data from the Second Brazilian Drugs and Alcohol Survey (BNADS)	4
Survey of U.S. Residents and Their Usage of Electronic Cigarettes with Drugs Other Than Nicotine	4
The Use of Psilocybin in the Treatment of Psychiatric Disorders with Attention to Relative Safety Profile: A Systematic Review	4
Inhaled Dimethyltryptamine (DMT): Use Patterns and Predictors of Consumption Frequency	4
Patterns of Opioid and NSAID Use in Saudi Arabia from 2010 to 2020	4
Does the Perception of Risk Associated with Psychedelics Use Differ in Physicians According to Their Belief of Effectiveness?	4
On the mushrooming reports of “quiet quitting”: Employees’ lifetime psilocybin use predicts their overtime hours worked	4

Efficacy of Extended-Release Injectable Naltrexone on Alcohol Use Disorder Treatment: A Systematic Review	4
Differences in Online Descriptions and Marketing of Derived Intoxicating Cannabis Products	4
Opioid Use Disorder and COVID-19: Treatment and Recovery Factors among Vulnerable Populations at the Intersection of Two U.S. Epidemics	4
A Qualitative Inquiry into the Challenges in Overcoming Heroin Addiction Among Chinese Individuals Who Experience Voluntary Rehabilitation	3
Drug use Risks in Portuguese Rural vs Urban Environments: Harm Reduction Challenges in a Progressive Drug Policy Setting	3
An Assessment of Psychedelic Knowledge Among People Using Psychedelics Naturalistically	3
Direct-To-Definitive Urine and Oral Fluid Test Results for Unscreened and Rarely Screened Drugs in Individuals Applying for Methadone Treatment in 7 U.S. States	3
The Epidemiology of Psychedelic Use Among United States Military Veterans	3
Therapeutic Use and Other Reasons to Consume Cannabidiol: Insight from the French and Italian Contexts	3
The Role of Gabapentinoids in the Substance Use Pattern of Adult Germans Seeking Inpatient Detoxification Treatment – A Pilot Study	3
Childhood Religious Affiliation Type Is Associated with Alcohol, but Not Cannabis Use in Adults	3
Cognitive Behavioral Therapy, Ketamine, and Combination Treatment for Depression: Impressions of Credibility in Participants with Self-Reported Depressive Symptoms	3
Menstrual Changes and Reversal of Amenorrhea Induced by Classic Psychedelics: A Case Series	3
Health Benefits and Positive Acute Effects of Psilocybin Consumption: A Quantitative Textual Analysis of User Self-Reported Data	3
Exploring the Role of Traumatic Event Exposure in Tobacco Dependence Treatment Outcomes Among African Americans	3
Kratom Retail Availability in Fort Worth, Texas	3
Prevalence and Use Patterns of Kratom ( Mitragyna speciosa Korth.) in a US Nationally Representative Sample	3
Beyond Psilocybin: Reviewing the Therapeutic Potential of Other Serotonergic Psychedelics in Mental and Substance Use Disorders	3
Ethical Issues in Treating Substance Use Disorders: Counselor Perspectives	3
Psychedelic Experiences After Bereavement Improve Symptoms of Grief: The Influence of Emotional Breakthroughs and Challenging Experiences	3
Gender Differences in the Relationship between Methamphetamine Use and High-risk Sexual Behavior among Prisoners: A Nationwide, Cross-sectional Survey in Japan	3
Seasonal Variation of Use of Common Psychedelics and Party Drugs Among Nightclub/Festival Attendees in New York City	3
A Meta-Analysis of Functional Neuroimaging Studies of Ketamine Administration in Healthy Volunteers	3
The Index of Cannabis Equivalence (ICE): A User-Centered Approach to Standardization of Cannabis Dose–Response	3
Polydrug Use and Co-occurring Substance Use Disorders in a Respondent Driven Sampling of Cocaine Base Paste Users in Santiago, Chile	3
Depression and Substance Use Among Brazilian University Students During the COVID-19 Pandemic	3