CYB004, or CYB-004, also known as deuterated dimethyltryptamine (dDMT), is a

serotonergic psychedelic Psychedelics are a subclass of hallucinogenic drugs whose primary effect is to trigger non-ordinary mental states (known as psychedelic experiences or "trips") and a perceived "expansion of consciousness". Also referred to as classic halluci ...

related to

dimethyltryptamine Dimethyltryptamine (DMT), also known as ''N'',''N''-dimethyltryptamine (''N'',''N''-DMT), is a Psychedelic drug, serotonergic hallucinogen and Investigational New Drug, investigational drug of the substituted tryptamine, tryptamine family tha ...

(DMT) which is under development for the treatment of

generalized anxiety disorder Generalized anxiety disorder (GAD) is an anxiety disorder characterized by excessive, uncontrollable and often irrational worry about events or activities. Worry often interferes with daily functioning. Individuals with GAD are often overly con ...

. It is administered by

inhalation Inhalation (or inspiration) happens when air or other gases enter the lungs. Inhalation of air Inhalation of air, as part of the cycle of breathing, is a vital process for all human life. The process is autonomic (though there are exceptions ...

intravenous injection Intravenous therapy (abbreviated as IV therapy) is a medical technique that administers fluids, medications and nutrients directly into a person's vein. The intravenous route of administration is commonly used for rehydration or to provide nutr ...

. It is a

tryptamine Tryptamine is an indolamine metabolite of the essential amino acid tryptophan. The chemical structure is defined by an indole—a fused benzene and pyrrole ring, and a 2-aminoethyl group at the second carbon (third aromatic atom, with the firs ...

derivative In mathematics, the derivative is a fundamental tool that quantifies the sensitivity to change of a function's output with respect to its input. The derivative of a function of a single variable at a chosen input value, when it exists, is t ...

and is a deuterated analogue and form of DMT. The

pharmacodynamic Pharmacodynamics (PD) is the study of the biochemistry, biochemical and physiology, physiologic effects of drugs (especially pharmaceutical drugs). The effects can include those manifested within animals (including humans), microorganisms, or comb ...

profile of CYB004, including its interactions with

serotonin receptor 5-HT receptors, 5-hydroxytryptamine receptors, or serotonin receptors, are a group of G protein-coupled receptor and ligand-gated ion channels found in multiple tissues including the central and peripheral nervous systems. They mediate both ex ...

s and its effects in animals, is similar to that of DMT. As with DMT, CYB004 is a potent

agonist An agonist is a chemical that activates a Receptor (biochemistry), receptor to produce a biological response. Receptors are Cell (biology), cellular proteins whose activation causes the cell to modify what it is currently doing. In contrast, an R ...

of the

serotonin Serotonin (), also known as 5-hydroxytryptamine (5-HT), is a monoamine neurotransmitter with a wide range of functions in both the central nervous system (CNS) and also peripheral tissues. It is involved in mood, cognition, reward, learning, ...

5-HT_2A receptor and produces psychedelic-like effects in animals. However, CYB004, due to its deuteration, is more resistant to

metabolism Metabolism (, from ''metabolē'', "change") is the set of life-sustaining chemical reactions in organisms. The three main functions of metabolism are: the conversion of the energy in food to energy available to run cellular processes; the co ...

than DMT and shows a longer

elimination half-life Biological half-life (elimination half-life, pharmacological half-life) is the time taken for concentration of a biological substance (such as a medication) to decrease from its maximum concentration ( Cmax) to half of Cmax in the blood plasma. ...

(by 2.5- to 2.9-fold) and slower clearance (by 38 to 55%) in animals. The

brain The brain is an organ (biology), organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It consists of nervous tissue and is typically located in the head (cephalization), usually near organs for ...

to plasma ratio of CYB004 was also increased (by 30%) relative to DMT, indicating slightly greater central permeability as well. As of August 2024, CYB004 is in

phase 2 Michael Lawrence Marrow (August 2, 1955 – December 12, 2019), known as PHASE 2 and Lonny Wood, was an American aerosol paint artist based in New York City. Mostly active in the 1970s, Phase 2 is generally credited with originating the "bubble ...

clinical trial Clinical trials are prospective biomedical or behavioral research studies on human subject research, human participants designed to answer specific questions about biomedical or behavioral interventions, including new treatments (such as novel v ...

s for generalized anxiety disorder. It was also under development for the treatment of

substance-related disorder Substance-related disorders is a class of mental disorders that affect a person's brain and behavior, leading to their inability to control their use of substances like drugs, alcohol, or medications. The disorders can lead to large societal probl ...

s and of other

psychiatric disorder A mental disorder, also referred to as a mental illness, a mental health condition, or a psychiatric disability, is a behavioral or mental pattern that causes significant distress or impairment of personal functioning. A mental disorder is ...

s, but development for these indications was discontinued. The drug is under development by

Cybin Cybin IRL is a Canadian pharmaceutical company that is developing psychedelic drugs as medicines. The company's drug candidates include psilocybin (CYB001), CYB002 (discontinued), CYB003 ( deuterated psilocin), CYB004 (deuterated dimethyltrypta ...

. The exact

chemical structure A chemical structure of a molecule is a spatial arrangement of its atoms and their chemical bonds. Its determination includes a chemist's specifying the molecular geometry and, when feasible and necessary, the electronic structure of the target m ...

of CYB004 (i.e., which

hydrogen Hydrogen is a chemical element; it has chemical symbol, symbol H and atomic number 1. It is the lightest and abundance of the chemical elements, most abundant chemical element in the universe, constituting about 75% of all baryon, normal matter ...

atom Atoms are the basic particles of the chemical elements. An atom consists of a atomic nucleus, nucleus of protons and generally neutrons, surrounded by an electromagnetically bound swarm of electrons. The chemical elements are distinguished fr ...

s are deuterated) does not yet seem to have been disclosed. However, Cybin

patent A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an sufficiency of disclosure, enabling discl ...

ed deuterated tryptamines, including deuterated forms of DMT like DMT-d₁₀, in 2023. Other related drugs include the deuterated tryptamine CYB003 and the deuterated

phenethylamine Phenethylamine (PEA) is an organic compound, natural monoamine alkaloid, and trace amine, which acts as a central nervous system stimulant in humans. In the brain, phenethylamine regulates monoamine neurotransmission by binding to trace ami ...

CYB005 CYB005, or CYB-005, also known as deuterated phenethylamine derivative, is a serotonin receptor agonist and serotonergic psychedelic which is under development for use at non-hallucinogenic doses in the treatment of psychiatric disorders and neur ...

and

CYB210010 CYB210010, also known as 2C-T-TFM or 2C-T-36 and as 2,5-dimethoxy-4-(trifluoromethylsulfanyl)phenethylamine, is a lesser-known psychedelic drug of the phenethylamine family related to compounds such as 2C-T and 2C-T-21. Alexander Shulgin atte ...

References

External links

CYB004 Deuterated Dimethyltryptamine (dDMT) - Cybin
{{Tryptamines 5-HT2A agonists Deuterated compounds N,N-Dialkyltryptamines Drugs with undisclosed chemical structures Experimental anxiolytics Experimental hallucinogens Experimental psychiatric drugs Psychedelic tryptamines Serotonin receptor agonists

See also

References

External links