Personality & Drug Use (PDU)

Status Withdrawn

Clinical Trial Summary

The study aims to assess whether the use of drugs relates to personality ratings. Specifically, we plan to investigate if people with different histories of substance use differentiate on personality assessments (current and past).

Clinical Trial Description

The study aims to assess the association between the use of various substances (including psychedelic and non-psychedelic drugs) and personality profiles. Specifically, the association between past drug usage and personality profiles will be investigated. As psychedelics were found to influence changes in personality over time, the present study aims to measure both the current personality profile (via the Big Five Inventory-44 (BFI)) and perceived retrospective changes in personality (via a self-constructed Retrospective Personality Scale (RPS)). To our knowledge, no study has explored the diversity of substance use histories in relation to individual current and retrospective personality traits and aggregate personality profiles. This project aims to survey a large number of participants from all around the world, using a mobile app-based survey. The remote character of the study will increase its accessibility and diversity, which are common shortcomings in the psychedelic line of research. Additionally, a remote, anonymous study setup with no face-to-face interactions might help overcome any potential concerns participants may have regarding the sharing of sensitive information (e.g., reports on illicit substance use). To increase scientific transparency and for educational purposes, the study team plans to share results summaries (comparisons of personalized results with the aggregated ones among participants sharing similar characteristics e.g., age, substance use history), which might be an additional motivating factor for study completion. Lastly, given that drug use in the natural environment (excluding laboratory/experimental setting) is characterized by large substance diversity and poly-drug use, we aim for a large sample size (with a minimum of 36 subjects per substance(s) category) to perform subgroup analyses. Therefore, this large-scale, low-budget, naturalistic, retrospective, observational study aims to shed light on the aforementioned gap in the literature and to lay a foundation of evidence for further (observational and experimental) research within the field. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05180149
Study type	Observational
Source	Quantified Citizen Technologies Inc.
Contact
Status	Withdrawn
Phase
Start date	April 2022
Completion date	April 2023

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Personality and Drug Use (PDU) — PDU

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms