OOIR: Observatory of International Research

Papers

(The H4-Index of Cannabis and Cannabinoid Research is 26. 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 2022-01-01 to 2026-01-01.)

Article	Citations
A Preliminary Pharmacokinetic Comparison of Δ-9 Tetrahydrocannabinol and Cannabidiol Extract Versus Oromucosal Spray in Healthy Men and Women	91
Brain Penetrant, but not Peripherally Restricted, Synthetic Cannabinoid 1 Receptor Agonists Promote Morphine-Mediated Respiratory Depression	55
Prosocial Effects of Nonpsychotropic Cannabis sativa in Mice	53
Intra-Accumbal D1- But not D2-Like Dopamine Receptor Antagonism Reverses the Inhibitory Effects of Cannabidiol on Extinction and Reinstatement of Methamphetamine Seeking Behavior in Rats	53
Case in Context: Acne Inversa (Hidradenitis Suppurativa)	52
Pharmacokinetics of Oral Minor Cannabinoids in Blood and Brain	50
Comparative Pharmacokinetic Assessment of Innovative Sublingual, Rectal and Vaporizer Cannabis Products Versus Approved Cannabis Products in Healthy Volunteers	50
Endocannabinoid System Biomarkers in Alzheimer's Disease	44
Stakeholders' Decisions and Preferences for the Provision and Use of Medicinal Cannabis: A Scoping Review	41
A Double-Blind, Randomized, Placebo-Controlled Test of the Effects of Cannabidiol on Experiences of Test Anxiety Among College Students	37
Increased White Matter Coherence Following Three and Six Months of Medical Cannabis Treatment	34
Cannabis Use and Biomarkers of Inflammation, Immune Activation, and Microbial Translocation in Persons with HIV	33
Legalization of Smokable Medical Cannabis and Changes in the Dispensed Amount of Δ-9 Tetrahydrocannabinol Per Patient	33
Understanding and Rebalancing: A Rapid Scoping Review of Cannabis Research Among Indigenous People	33
Kinetics of CBD, Δ ⁹ -THC Degradation and Cannabinol Formation in Cannabis Resin at Various Temperature and pH Conditions	31
The Utility of THC Cutoff Levels in Blood and Saliva for Detection of Impaired Driving	31
The Endocannabinoid System as a Potential Therapeutic Target for HIV-1-Associated Neurocognitive Disorder	31
Typical Hits, Grams, or Joints: Evaluating Cannabis Survey Measurement Strategies for Quantifying Consumption	29
Cannabidiol Marketing Strategies in the United States: An Analysis of Three Prominent Companies	29
Therapeutic Effects of Non-Euphorigenic Cannabis Extracts in Osteoarthritis	29
A Scoping Review on the Medical and Recreational Use of Cannabis During the COVID-19 Pandemic	28
An Updated Analysis of Clinical Outcome Measures Across Patients From the UK Medical Cannabis Registry	27
Fatty Acid Amide Hydrolase: An Integrative Clinical Perspective	27
Genome-Wide Identification and Expression Profiles of bZIP Genes in Cannabis sativa L.	27
Letter to the Editor: Response to Dr. Mousavi’s Comments on Ogunsola et al	27

Shifting the Paradigm on Cannabis Safety