Skip to main content

6Node page

what any key link opens

psx:substance/deschloroetizolam/src/doi:10.1097/ftd.0000000000000557

src2026-10-02recordconsumed

psx:substance/deschloroetizolam/src/doi:10.1097/ftd.0000000000000557

no derivations recorded for this key

← back to the archive

1Provenance card

the boundary, as counts

Sources

2116 with DOI

1 strong · 16 moderate · 4 weak

Compilations

12026-05-09T16:32:05.224Z

pipeline-v5 · prompt hash not recorded — run predates 2026-09

Decisions

37last ruled 2026-06-04

1 awaiting a ruling

Issued documents

42026-10-19T20:31:21.127Z

notice · info card · emergency

Searches

152 with no results

queries and counts on the build

Claims checked

6634 supported

34 supported · 32 not

Correspondence

0received

consent field ships in Phase 4

Edges

217

derivations recorded for this entity

Complete over 21 sources, 1 compilation, and 37 decisions.Not here: the private journal (never); 1 proposal awaiting a ruling (listed as pending only).Working material — drafts, discards, unsupported claims — is listed below and readable on the working page.Cite: psychedex.org/substances/deschloroetizolam/archive

2Build

one panel per compilation run

generation run 2026-05-09

55 min completedmodel pipeline-v5plan not recordedrun/c0d817f5…

Selection

results seen152
selected by the model24
consumed as sources21

Verification

claims checked66
supported33
partially supported1
not supported2
inconclusive30
  • record
  • seen / partial
  • working

The model's own caveats

  • structural_inference
  • safety_data_unverified
  • sparse_evidence

Reproduce

inputs
21 source keys (listed under Sources)
plan
not recorded — template version, prompt hash and git SHA are written from 2026-09 onward
model
pipeline-v5
streams
none — agent transcripts are persisted from 2026-09 onward
15 searches — query, source, results, what was kept and why
15 searches for this run
#sourcequeryseenkeptrationale
1PubMeddeschloroetizolam thienodiazepine11Only direct PubMed result for deschloroetizolam query. Useful clinical overview.
2OpenAlexdeschloroetizolam pharmacology397Selected papers specifically mentioning deschloroetizolam or providing highly relevant class-level pharmacology.
3PubMedetizolam pharmacokinetics metabolism human101Yamamoto study establishes etizolam is substrate of CYP2C19 and CYP3A - directly relevant to deschloroetizolam analog inference.
4OpenAlexdeschloroetizolam etizolam designer benzodiazepine384Selected papers directly referencing deschloroetizolam or providing key analytical/clinical data.
5PubChemdeschloroetizolam11Primary chemical identity verification. All seed chemical data confirmed.
6ClinicalTrials.gov · absencedeschloroetizolam0—No trials registered - confirms research chemical status with no clinical development.
7CFSRE NMS Labs Monographdeschloroetizolam monograph11Comprehensive reference document with chemical identifiers, history, and patent references.
8WebSearchdeschloroetizolam legal status scheduling US UK EU Australia DEA analog act101Legal status across major jurisdictions.
9WebSearchdeschloroetizolam synthesis history Yoshitomi etizolam analog 1970s patent research102Historical synthesis context and original patent documentation.
10PubMedurine analysis 28 designer benzodiazepines liquid chromatography high-resolution mass spectrometry21Clinical detection data for deschloroetizolam in acute intoxication.
11WebSearchdeschloroetizolam self-experiment saliva 6mg pharmacokinetics detection window101Only published human PK data specifically for deschloroetizolam.
12WebSearchHuppertz Bisel deschloroetizolam clonazolam flubromazolam characterization in vitro metabolites Forensic Toxicology 2015101Key primary source for deschloroetizolam characterization and metabolite identification.
13WebSearchdeschloroetizolam DEA Schedule I US federal 2024 2025 2026 controlled substance101Critical for legal status section - confirms deschloroetizolam's current unscheduled federal status.
14PubMedbenzodiazepine GABA-A receptor allosteric modulation alpha subunit selectivity anxiolytic hypnotic102Mechanism papers documenting GABA-A subunit selectivity relevant to deschloroetizolam's pharmacological profile.
15ClinicalTrials.gov · absencedeschloroetizolam0—Confirms no clinical development.
66 claims by section — every cited sentence, checked against its source
safety18 · 7 ok
  • Claim in safety — inconclusiveinconclusiveworking →

  • In the STRIDA database (Swedish intoxication surveillance, 2012–2016), one confirmed deschloroetizolam case was documented among 217 NPS benzodiazepine intoxication cases; that case responded positively to flumazenilsupported

    217 NPS BZD intoxication cases in Sweden 2012-2016. Deschloroetizolam confirmed in 1 case. All cases responded to flumazenil. 15563650.2018.1506130

  • Pettersson Bergstrand et al. (2018) detected deschloroetizolam at 5 ng/mL in one urine sample from an acute intoxication case, though clinical details for that specific case were not reported.supported

    Deschloroetizolam LLOQ: 5 ng/mL. Detected in 1 acute intoxication case (STRIDA) at 5 ng/mL. j.clinms.2018.08.004

  • Claim in safety — inconclusiveinconclusiveworking →

  • Mortality associated with designer benzodiazepine misuse occurs almost exclusively in polydrug combinations.supported

    Discusses polysubstance context, flumazenil reversibility, metabolic variation, and detection in driving cases. cpdd.667

  • Claim in safety — inconclusiveinconclusiveworking →

  • Claim in safety — inconclusiveinconclusiveworking →

  • Rebound anxiety: Anxiety symptoms exceeding baseline levels during offset and for days following use, reinforcing continued usesupported

    Review of BZD dependence mechanisms: GABA-A receptor downregulation, glutamatergic sensitization. Tolerance mediated by complex neurobiological changes. ijms27031430

  • Claim in safety — inconclusiveinconclusiveworking →

  • Claim in safety — inconclusiveinconclusiveworking →

  • Concurrent compensatory sensitization of glutamatergic NMDA receptor-mediated transmission produces the excitatory/inhibitory imbalance that drives both tolerance and the withdrawal syndrome.supported

    Review of BZD dependence mechanisms: GABA-A receptor downregulation, glutamatergic sensitization. ijms27031430

  • Claim in safety — inconclusiveinconclusiveworking →

  • Claim in safety — inconclusiveinconclusiveworking →

  • Claim in safety — inconclusiveinconclusiveworking →

  • Claim in safety — inconclusiveinconclusiveworking →

  • Pharmacokinetic interactions center on the presumed CYP2C19 and CYP3A4 metabolic pathways (inferred from etizolam data)supported

    Etizolam is substrate of CYP2C19 and CYP3A. jcph.956

  • The interaction is compounded in CYP2C19 poor metabolizers, where a 6-fold increase in etizolam AUC has been demonstrated with concurrent CYP3A4 inhibition.supported

    PMs+itraconazole: 6.18x higher AUC vs EMs alone. jcph.956

  • Claim in safety — inconclusiveinconclusiveworking →

pharmacology8 · 6 ok
  • Claim in pharmacology — inconclusiveinconclusiveworking →

  • Subunit composition determines the pharmacological output: α1-containing GABA-A receptors mediate sedation and hypnosis; α2- and α3-containing receptors mediate anxiolysis and muscle relaxation; α5-containing receptors contribute to cognitive impairment and amnesiasupported

    GABA-A subunit selectivity: alpha1=sedation, alpha2/3=anxiolysis and muscle relaxation, alpha5=cognitive impairment. pmid:22204488

  • The only published controlled-exposure study is Ameline et al. (2018, Part II), which documented oral fluid (saliva) concentrations following a single 6 mg oral self-administration by a researcher volunteersupported

    Self-experiment (6 mg oral deschloroetizolam). Saliva sampling with NeoSal device over 18 hours. ftd.0000000000000557

  • Greenblatt and Greenblatt (2019) reference the existence of "single-volunteer studies" documenting deschloroetizolam half-life data in a format attributed to Moosmann and Auwärter's self-experiment methodology, but the specific elimination half-life value was not recoverable from available abstracts.supported

    Notes deschloroetizolam half-life data derives from single-volunteer studies. cpdd.667

  • Claim in pharmacology — inconclusiveinconclusiveworking →

  • Huppertz et al. (2015) performed in vitro Phase I metabolite identification using human liver microsomes (HLM)supported

    Human liver microsome incubation identified in vitro Phase I metabolites. s11419-015-0277-6

  • Designer benzodiazepines including deschloroetizolam undergo Phase I and Phase II metabolism similar to traditional benzodiazepines, but their specific metabolic pathways and the influence of genetic polymorphisms remain uncharacterized.supported

    Notes phase I and II metabolism similar to traditional BZDs. Specific metabolic pathways unclear. aiht-2023-74-3771

  • Yamamoto et al. (2017) demonstrated in a 16-participant clinical study that etizolam is a dual substrate of these enzymes: CYP2C19 poor metabolizers exhibited 2.65-fold higher etizolam AUC relative to extensive metabolizers, and the addition of itraconazole (a CYP3A4 inhibitor) produced a 6.18-fold AUC increase in poor metabolizers versus extensive metabolizerspartially supported

    Etizolam is substrate of CYP2C19 and CYP3A. Itraconazole increased etizolam AUC 1.66x in EMs, 2.34x in PMs. PMs+itraconazole: 6.18x higher AUC vs EMs alone. jcph.956

history7 · 2 ok
  • Claim in history — inconclusiveinconclusiveworking →

  • Claim in history — inconclusiveinconclusiveworking →

  • Claim in history — inconclusiveinconclusiveworking →

  • Claim in history — inconclusiveinconclusiveworking →

  • By late 2015, Łukasik-Głębocka et al. listed deschloroetizolam among the designer benzodiazepines confirmed available on research chemical marketssupported

    Paper lists deschloroetizolam among known designer benzodiazepines available in 2015. 15563650.2015.1112907

  • The Swedish STRIDA project (2012–2016) detected deschloroetizolam in at least one confirmed acute intoxication case.supported

    217 NPS BZD intoxication cases in Sweden 2012-2016. Deschloroetizolam confirmed in 1 case. 15563650.2018.1506130

  • Claim in history — inconclusiveinconclusiveworking →

pharmacokinetic-detail7 · 6 ok
  • The only controlled human pharmacokinetic data come from the saliva study by Ameline et al. (2018), in which a single 6 mg oral dose produced peak saliva concentrations at approximately 30 minutes post-ingestionsupported

    Self-experiment (6 mg oral deschloroetizolam). Saliva sampling with NeoSal device over 18 hours. Peak concentration at 30 minutes. ftd.0000000000000557

  • The 18-hour saliva detection window documented by Ameline et al. provides a lower bound on the effective duration of detectable concentrations following a 6 mg oral dose, though saliva concentrations do not directly reflect plasma pharmacokinetics.supported

    Rapid decline but detectable for entire 18-hour observation period. ftd.0000000000000557

  • Greenblatt and Greenblatt (2019) cite the existence of half-life data from a single-volunteer self-experiment study, attributed to a methodology described by Moosmann and Auwärter, but the specific numerical value was not available from the published abstract.supported

    Notes deschloroetizolam half-life data derives from single-volunteer studies. cpdd.667

  • Claim in pharmacokinetic-detail — inconclusiveinconclusiveworking →

  • In vitro incubation with human liver microsomes produced at least one monohydroxylated and one dihydroxylated Phase I metabolitesupported

    Deschloroetizolam metabolites: at least one monohydroxylated and one dihydroxylated metabolite. s11419-015-0277-6

  • Phase II conjugation reactions (glucuronidation, sulfation) are expected to follow, consistent with the general benzodiazepine metabolic pattern, but have not been specifically demonstrated for deschloroetizolam.supported

    Notes phase I and II metabolism similar to traditional BZDs. Specific metabolic pathways unclear. aiht-2023-74-3771

  • By analogy to etizolam — a confirmed dual substrate of CYP2C19 and CYP3A4 — these isoforms are the most likely candidatessupported

    Etizolam is substrate of CYP2C19 and CYP3A. jcph.956

summary6 · 3 ok
  • Deschloroetizolam (also known as Etizolam-2; CAS 40054-73-7) is a thienotriazolodiazepine — a positive allosteric modulator of the GABA-A receptor — that occupies the low-potency end of the designer benzodiazepine spectrumsupported

    Deschloroetizolam ranked among least potent DBZDs. Potency score derived from structural analysis and user reports. 0269881119901096

  • Claim in summary — inconclusiveinconclusiveworking →

  • The single published human exposure study documented saliva concentrations after a 6 mg oral self-administration.supported

    Self-experiment (6 mg oral deschloroetizolam). Saliva sampling with NeoSal device over 18 hours. ftd.0000000000000557

  • Claim in summary — inconclusiveinconclusiveworking →

  • The experiential profile — sedation, anxiolysis, muscle relaxation, cognitive impairment, and mild euphoria — mirrors the benzodiazepine class at large, though comparative trip-report analysis places deschloroetizolam among the least potent and least euphorigenic of the designer benzodiazepines studiedsupported

    Deschloroetizolam ranked among least potent DBZDs. Pyrazolam most anxiolytic, flubromazolam most hypnotic, etizolam most euphoric. 0269881119901096

  • Claim in summary — inconclusiveinconclusiveworking →

chemistry5 · 1 ok
  • Claim in chemistry — inconclusiveinconclusiveworking →

  • Claim in chemistry — not_supportednot supportedworking →

  • Claim in chemistry — inconclusiveinconclusiveworking →

  • This structural modification reduces potency relative to the parent compound — the 2'-chloro substituent in etizolam contributes to enhanced receptor binding, and its removal produces a measurably weaker GABA-A modulator.supported

    Deschloroetizolam ranked among least potent DBZDs. Potency score derived from structural analysis and user reports. 0269881119901096

  • Claim in chemistry — not_supportednot supportedworking →

comparative-pharmacology4 · 2 ok
  • Claim in comparative-pharmacology — inconclusiveinconclusiveworking →

  • El Balkhi et al. (2020) derived comparative potency scores from 197 user trip reports across 10 designer benzodiazepinessupported

    Analysis of 197 trip reports for 10 DBZDs including deschloroetizolam. Potency score derived from structural analysis and user reports. 0269881119901096

  • Claim in comparative-pharmacology — inconclusiveinconclusiveworking →

  • Euphoria: User reports consistently describe etizolam as more euphorigenic than deschloroetizolamsupported

    Etizolam most euphoric. 0269881119901096

neuroscience4 · 2 ok
  • The primary neural consequence is widespread reduction in neuronal excitability, producing the characteristic depressant phenotype: slowed cortical processing (sedation, cognitive impairment), reduced amygdala reactivity (anxiolysis), decreased motor neuron excitability (muscle relaxation), and suppression of ascending reticular activating system activity (hypnosis).supported

    GABA-A subunit selectivity: alpha1=sedation, alpha2/3=anxiolysis and muscle relaxation, alpha5=cognitive impairment. pmid:22204488

  • Claim in neuroscience — inconclusiveinconclusiveworking →

  • Claim in neuroscience — inconclusiveinconclusiveworking →

  • This molecular tolerance develops rapidly — within days of continuous dosing — and is accompanied by compensatory upregulation of glutamatergic (NMDA receptor-mediated) excitatory transmissionsupported

    Review of BZD dependence mechanisms: GABA-A receptor downregulation, glutamatergic sensitization. ijms27031430

receptor-pharmacology4 · 3 ok
  • Etizolam, the 2'-chloro parent compound, displaces ³H-diazepam from synaptosomal membranes in rat cerebral cortex, confirming activity at this sitesupported

    Etizolam displaced 3H-diazepam from rat cerebral cortex synaptosomal membranes. pmid:1965554

  • Claim in receptor-pharmacology — inconclusiveinconclusiveworking →

  • El Balkhi et al. (2020) analyzed 197 user trip reports across 10 designer benzodiazepines to derive comparative potency scoressupported

    Analysis of 197 trip reports for 10 DBZDs including deschloroetizolam. Potency score derived from structural analysis and user reports. 0269881119901096

  • The structure-activity relationship is straightforward: the 2'-chloro substituent on etizolam's phenyl ring enhances potency, and its removal in deschloroetizolam reduces potency relative to the parent compoundsupported

    Deschloroetizolam ranked among least potent DBZDs. Potency score derived from structural analysis and user reports. 0269881119901096

effects-overview2 · 1 ok
  • Relative to etizolam, deschloroetizolam produces a qualitatively similar but quantitatively attenuated experience — less euphoria, less anxiolytic potency per milligram, and less amnesia at equipotent dosessupported

    Deschloroetizolam ranked among least potent DBZDs. Etizolam most euphoric. 0269881119901096

  • Claim in effects-overview — inconclusiveinconclusiveworking →

clinical-evidence1 · 1 ok
  • The only published human exposure data come from a single self-administration study by Ameline et al. (2018), which documented saliva pharmacokinetics following a 6 mg oral dose in one researcher volunteersupported

    Self-experiment (6 mg oral deschloroetizolam). Saliva sampling with NeoSal device over 18 hours. ftd.0000000000000557

3Sources

21 consumed · sorted by year · feeds = sections resting on it

Sources
yearsourcetierstatusfeeds
2026Benzodiazepine Dependence: Clinical and Molecular Aspects, Preventive Strategies and Therapeutic Approaches.Navarrete F, Marín-Mayor M, Martínez-Hostyn L, Rubio G, Manzanares J · International journal of molecular sciencesdoi:10.3390/ijms27031430moderateconsumed2 sections
2026Federal Register: Schedules of Controlled Substances: Placement of Clonazolam, Diclazepam, Etizolam, Flualprazolam, and Flubromazolam in Schedule I of the Controlled Substances ActDEAurl:a1f8a6880de3e6f5weakconsumedcited only
2024Deschloroetizolam - HandWikiMultiple contributorsurl:69ab14ea847b1590weakconsumedcited only
2022Novel Designer Benzodiazepines: Comprehensive Review of Evolving Clinical and Adverse EffectsEdinoff AN, Nix CA, Odisho AS, Babin CP, Derouen AG, Lutfallah SC, Cornett EM, Murnane KS, Kaye AM, Kaye AD · Neurology Internationaldoi:10.3390/neurolint14030053moderateconsumed2 sections
2022Recent findings and advancements in the detection of designer benzodiazepines: a brief reviewWu D, Fu L · Arhiv za higijenu rada i toksikologijudoi:10.2478/aiht-2023-74-3771moderateconsumed2 sections
2021DeschloroetizolamCFSRE/NMS Labsurl:5bbd5b89b1e07d42weakconsumedcited only
2021Designer Benzodiazepines: A Review of Toxicology and Public Health RisksBrunetti P, Giorgetti R, Tagliabracci A, Huestis MA, Busardò FP · Pharmaceuticalsdoi:10.3390/ph14060560moderateconsumed2 sections
2020'New/Designer Benzodiazepines': An Analysis of the Literature and Psychonauts' Trip ReportsOrsolini L, Corkery JM, Chiappini S, Guirguis A, Vento A, et al. · Current Neuropharmacologydoi:10.2174/1570159x18666200110121333moderateconsumedcited only
2020Designer benzodiazepines' pharmacological effects and potencies: How to find the informationEl Balkhi S, Monchaud C, Herault F, Geniaux H, Saint-Marcoux F · Journal of Psychopharmacologydoi:10.1177/0269881119901096moderateconsumed6 sections
2019Designer Benzodiazepines: A Review of Published Data and Public Health SignificanceGreenblatt HK, Greenblatt DJ · Clinical Pharmacology in Drug Developmentdoi:10.1002/cpdd.667moderateconsumed5 sections
2019Occurrence and time course of NPS benzodiazepines in Sweden - results from intoxication cases in the STRIDA project.Bäckberg M, Pettersson Bergstrand M, Beck O, Helander A · Clinical Toxicologydoi:10.1080/15563650.2018.1506130moderateconsumed2 sections
2018Designer Benzodiazepines: Another Class of New Psychoactive Substances.Moosmann B, Auwärter V · Handbook of Experimental Pharmacologydoi:10.1007/164_2018_154moderateconsumed2 sections
2018Documentation of a Little-Studied Designer Benzodiazepine After a Controlled Single Administration: II. Concentration Profile of Deschloroetizolam in SalivaAmeline A, Arbouche N, Raul JS, Kintz P · Therapeutic Drug Monitoringdoi:10.1097/ftd.0000000000000557moderateconsumedcited only
2018The emergence of new psychoactive substance (NPS) benzodiazepines: A review.Manchester KR, Lomas EC, Waters L, Dempsey FC, Maskell PD · Drug testing and analysisdoi:10.1002/dta.2211moderateconsumed2 sections
2018Urine analysis of 28 designer benzodiazepines by liquid chromatography-high-resolution mass spectrometryPettersson Bergstrand M, Beck O, Helander A · Clinical Mass Spectrometrydoi:10.1016/j.clinms.2018.08.004moderateconsumed1 section
2017Notable Drug-Drug Interaction Between Etizolam and Itraconazole in Poor Metabolizers of Cytochrome P450 2C19Yamamoto T, Furihata K, Hisaka A, et al. · Journal of Clinical Pharmacologydoi:10.1002/jcph.956strongconsumed3 sections
2016Flubromazolam – A new life-threatening designer benzodiazepineŁukasik-Głębocka M, Sommerfeld K, Tężyk A, Zielińska-Psuja B, Panieński P, Żaba C · Clinical Toxicologydoi:10.3109/15563650.2015.1112907weakconsumed1 section
2015Characterization of the four designer benzodiazepines clonazolam, deschloroetizolam, flubromazolam, and meclonazepam, and identification of their in vitro metabolitesHuppertz LM, Bisel P, Westphal F, Franz F, Auwärter V, Moosmann B · Forensic Toxicologydoi:10.1007/s11419-015-0277-6moderateconsumed5 sections
2012GABA(A) receptor alpha subunits differentially contribute to diazepam tolerance after chronic treatmentVinkers CH, van Oorschot R, Nielsen EØ, et al. · PloS Onedoi:10.1371/journal.pone.0043054moderateconsumed2 sections
2012The GABAA-BZR complex as target for the development of anxiolytic drugsTrincavelli ML, Da Pozzo E, Daniele S, Martini C · Current Topics in Medicinal Chemistrypmid:22204488moderateconsumed3 sections
1990Pharmacological actions of Y-24180: II. Interactions with PAF and benzodiazepine receptorsTakehara S et al. · Prostaglandinspmid:1965554moderateconsumed1 section
—Searched ClinicalTrials.gov for "deschloroetizolam" — no resultsabsenceno results—
—Searched ClinicalTrials.gov for "deschloroetizolam" — no resultsabsenceno results—

4Docket

one filing per activity — decisions, correspondence, reports

awaiting ruling — 1

  • dependence · taper2026-07-03
  1. 0012026-05-09revisionRevision 1

    Initial LLM generation (v5 pipeline, wiki, prose phase)

    psx:substance/deschloroetizolam/version/1
  2. 0022026-06-04proposal34 value proposals approved together

    one review action inferred from a shared reviewer and instant — the graph records one activity per proposal

    34 items in this filing

    • contraindication · other
    • contraindication · other
    • contraindication · other
    • contraindication · respiratory
    • contraindication · other
    • contraindication · metabolic
    • contraindication · metabolic
    • contraindication · neurological
    • contraindication · respiratory
    • contraindication · psychiatric
    • contraindication · pregnancy_breastfeeding
    • contraindication · hepatic
    • dose_tier · threshold
    • dose_tier · light
    • dose_tier · common
    • dose_tier · strong
    • dose_tier · heavy
    • timeline · oral · onset
    • timeline · oral · come_up
    • timeline · oral · peak
    • timeline · oral · resolution
    • timeline · oral · afterglow
    • toxicity
    • dependence · full
    • withdrawal
    • tolerance
    • dosage · oral
    • duration · oral · onset
    • duration · oral · come_up
    • duration · oral · peak
    • duration · oral · offset
    • duration · oral · total
    • duration · oral · aftereffects
    psx:substance/deschloroetizolam/proposal/contraindication/0944cd58-991c-40d0-8f90-99daf8c9fbf4
  3. 0032026-06-04publicationPublication — backfill

5Issued documents

what the notice, info card and emergency page said, by hash

Issued documents
documentcontent hashissuedfrom versionsuperseded
info_card8f7750f87524c3b4203f7f3e…2026-10-19 20:31Revision 1current
emergencydcd2ca271fbe095dc7fb6211…2026-09-04 04:29Revision 1current
info_card6d14c783b2b180c8008d4fc8…2026-09-04 04:29Revision 1superseded2026-10-19
noticecd4c93e6622127dc1d3a4866…2026-09-04 04:29Revision 1current