Neurodynamics of Prosocial Emotional Processing Following Serotonergic Stimulation With N,N-Dimethyltryptamine (DMT) and Harmine in Healthy Subjects

NCT ID: NCT04716335

Last Updated: 2022-10-04

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

EARLY_PHASE1

Total Enrollment

34 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-12-01

Study Completion Date

2022-01-10

Brief Summary

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The aim of the project is to assess brain network dynamics, self-referential information processing and prosociality and learning following the modulation of the serotonin-system by serotonergic-psychoactive compounds.

Detailed Description

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Conditions

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Emotions Mood Cognitive Function 1, Social Empathy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Harmine + DMT

Group Type EXPERIMENTAL

DMT

Intervention Type DRUG

DMT

Harmine

Intervention Type DRUG

Harmine

Harmine + Placebo(DMT)

Group Type EXPERIMENTAL

Harmine

Intervention Type DRUG

Harmine

Placebo (DMT)

Intervention Type DRUG

Placebo for DMT

Placebo(Harmin & Placebo)

Group Type PLACEBO_COMPARATOR

Placebo (Harmine)

Intervention Type DRUG

Placebo for Harmine

Placebo (DMT)

Intervention Type DRUG

Placebo for DMT

Interventions

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DMT

DMT

Intervention Type DRUG

Harmine

Harmine

Intervention Type DRUG

Placebo (Harmine)

Placebo for Harmine

Intervention Type DRUG

Placebo (DMT)

Placebo for DMT

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Willing and capable to give informed consent for the participation in the study after it has been thoroughly explained
* Little or no previous experiences with psychedelic substances
* Body mass index (BMI) between 18.5 and 25
* Willing to refrain from drinking caffeine 3 days and alcohol the day before testing session, from drinking alcohol and caffeinated drinks at the testing days and from consuming psychoactive substances or other medications for 2 weeks before testing days and for the duration of the study
* Able and willing to comply with all study requirements
* Informed consent form was signed
* Good knowledge of the German language

Exclusion Criteria

* Previous significant adverse response to a hallucinogenic drug
* Participation in another study where pharmaceutical compounds will be given
* Self or first-degree relatives with present or antecedent psychiatric disorders
* History of head trauma or fainting
* Recent cardiac or brain surgery
* Current use of medication or psychotropic substances (including nicotine addiction)
* Presence of major internal or neurological disorders (including sepsis, pheochromocytoma, thyrotoxicosis, drug-induced fibrosis, familiar or basilar artery migraine)
* Cardiovascular disease (hypertonia, coronary artery disease, heart insufficiency, myocardial infarction, coronary spastic angina)
* Peripheral vascular disease (thromboangiitis obliterans, luetic arteritis, severe arteriosclerosis, thrombophlebitis, Raynaud's disease)
* Liver or renal disease
Minimum Eligible Age

20 Years

Maximum Eligible Age

40 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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University of Basel

OTHER

Sponsor Role collaborator

Psychiatric University Hospital, Zurich

OTHER

Sponsor Role lead

Responsible Party

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Milan Scheidegger

Principal Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Psychiatric University Hospital

Zurich, , Switzerland

Site Status

Countries

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Switzerland

References

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Mueller MJ, Aicher HD, Dornbierer DA, Marten L, Suay D, Meling D, Elsner C, Wicki IA, Muller J, Poetzsch SN, Caflisch L, Hempe A, Steinhart CP, Puchkov M, Kost J, Landolt HP, Seifritz E, Quednow BB, Scheidegger M. Pharmacokinetics and pharmacodynamics of an innovative psychedelic N,N-dimethyltryptamine/harmine formulation in healthy participants: a randomized controlled trial. Int J Neuropsychopharmacol. 2024 Dec 28;28(1):pyaf001. doi: 10.1093/ijnp/pyaf001.

Reference Type DERIVED
PMID: 39774840 (View on PubMed)

Dornbierer DA, Marten L, Mueller J, Aicher HD, Mueller MJ, Boxler M, Kometer M, Kosanic D, von Rotz R, Puchkov M, Kraemer T, Landolt HP, Seifritz E, Scheidegger M. Overcoming the clinical challenges of traditional ayahuasca: a first-in-human trial exploring novel routes of administration of N,N-Dimethyltryptamine and harmine. Front Pharmacol. 2023 Nov 27;14:1246892. doi: 10.3389/fphar.2023.1246892. eCollection 2023.

Reference Type DERIVED
PMID: 38089057 (View on PubMed)

Other Identifiers

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2018-01385

Identifier Type: -

Identifier Source: org_study_id

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