Skip to main content

6Node page

what any key link opens

psx:substance/ibogaine/value/toxicity@1

valuereferenced by edges — no row of its own

derived from · upstream

  • derived_fromtoxicitypsx:substance/ibogaine/proposal/toxicity/98d9499e-0faa-48ad-9f93-7c44934e56c4

feeds · downstream

none recorded

Closure of psx:substance/ibogaine/value/toxicity@1: 1 upstream, 0 downstream.

psx:substance/ibogaine/value/toxicity@1
└─ derived_from  proposal/toxicity/98d9499e-0faa-48ad-9f93-7c44934e56c4  toxicity

indented by distance from this node, not by parentage

1Provenance card

the boundary, as counts

Sources

4226 with DOI

5 strong · 33 moderate · 4 weak

Compilations

12026-04-26T03:53:45.177Z

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

Decisions

32last ruled 2026-06-04

0 awaiting a ruling

Issued documents

42026-10-19T20:32:19.117Z

notice · info card · emergency

Searches

244 with no results

queries and counts on the build

Claims checked

9876 supported

76 supported · 22 not

Correspondence

0received

consent field ships in Phase 4

Edges

307

derivations recorded for this entity

Complete over 42 sources, 1 compilation, and 32 decisions.Not here: the private journal (never).Working material — drafts, discards, unsupported claims — is listed below and readable on the working page.Cite: psychedex.org/substances/ibogaine/archive

2Build

one panel per compilation run

generation run 2026-04-26

70 min completedmodel pipeline-v5plan not recordedrun/3c1f9300…

Selection

results seen154
selected by the model54
consumed as sources42

Verification

claims checked98
supported57
partially supported19
not supported1
inconclusive21
  • record
  • seen / partial
  • working

The model's own caveats

none raised on this run

Reproduce

inputs
42 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
24 searches — query, source, results, what was kept and why
24 searches for this run
#sourcequeryseenkeptrationale
1OpenAlexibogaine pharmacology addiction treatment101Landmark clinical paper on ibogaine opioid withdrawal treatment
2PubMedibogaine cerebellar neurotoxicity Purkinje cell rat84Critical neurotoxicity data
3PubMedibogaine pharmacokinetics metabolism noribogaine human129PK/PD and metabolism data essential
4PubMedibogaine PTSD traumatic brain injury veterans treatment33High-impact recent clinical data
5PubChemibogaine11Primary chemical identity verification
6PubMedibogaine pharmacology receptor binding mechanism action119Core pharmacology papers
7PubMedibogaine GDNF neurotrophic factor glial neuroplasticity11GDNF mechanism review
8ClinicalTrials.govibogaine85All ibogaine-specific trials selected
9PubMedibogaine Tabernanthe iboga root bark alkaloid isolation synthesis total11Synthesis and extraction chemistry
10PubMedibogaine 18-methoxycoronaridine analog safer derivative development2218-MC development and receptor binding overview
11OpenAlexibogaine pharmacology clinical review fatalities alkaloid Alper106High-citation cardiac safety and systematic review papers
12PubMedibogaine alcohol dependence treatment ethanol self-administration42Primary GDNF mechanism papers
13webibogaine legal status Schedule I DEA US UK scheduling history Howard Lotsof103Legal status and historical data not in PubMed
14webibogaine legal status by country11Comprehensive legal status by jurisdiction
15DOI verificationDOI verification for key papers22API verification of key papers
16PubChem web · absenceibogaine CAS melting point logP LD5000Attempted physical property lookup; failed
17OpenAlexibogaine cardiac safety deaths arrhythmia hERG QT prolongation82Key cardiac safety primary research papers
18PubMed · absenceibogaine LD50 lethal dose toxicity animal study mouse rat00LD50 data gap noted
19PubMedibogaine cocaine stimulant withdrawal self-administration dopamine accumbens11Key dopamine/serotonin nucleus accumbens data; 18-MC comparison
20OpenAlexibogaine observational naturalistic opioid outcome long-term abstinence80Searched for naturalistic outcome data; not found in top results
21web · absenceibogaine physical properties CAS LD5000Gap documented - CAS, SMILES, melting point not API-verified
22PubMed and OpenAlex combinedResearch output compilation521All selected items relevant to ibogaine research output
23PubMed · absenceibogaine LD50 lethal dose toxicity animal00Gap documented
24PubMedibogaine noribogaine serotonin reuptake transporter SERT dopamine DAT10Not directly relevant enough to ibogaine pharmacology for citation
98 claims by section — every cited sentence, checked against its source
safety32 · 24 ok
  • Paroxetine pretreatment approximately doubles active moiety AUCsupported

    Paroxetine doubles active moiety exposure. jcph.471

  • hERG IC50 values are 3.53 µM (extracted ibogaine), 4.09 µM (semi-synthetic ibogaine), and 2.86 µM (noribogaine)supported

    hERG IC50: ibogaine (semisynthesis) 4.09 µM, ibogaine (extraction) 3.53 µM, noribogaine 2.86 µM. s12012-015-9311-5

  • Therapeutic concentrations of both compounds retard action potential repolarization in human iPSC-derived ventricular-like cardiomyocytes — the first experimental demonstration of cardiac risk in human cardiac cellssupported

    First experimental proof that therapeutic concentrations of ibogaine and noribogaine significantly retard action potential repolarization in human ventricular-like cardiomyocytes (iPSC-derived). s12012-016-9366-y

  • Noribogaine's longer half-life means cardiac risk persists days after ibogaine ingestion, explaining reported delayed fatalities.supported

    Explains delayed incidence of cardiac adverse events several days after ibogaine intake. s12012-016-9366-y

  • Claim in safety — inconclusiveinconclusiveworking →

  • Clinical observations confirm the risk: reversible QTc prolongation and bradycardia were documented in a Dutch OUD detoxification study, noribogaine produced dose-dependent QTcI prolongation of 0.17 ms/ng/mL (mean increases of 16–42 ms across 60–180 mg dose groups), and a case report documented prolonged multiple cardiac arrhythmias following internet-purchased ibogaine.supported

    Ibogaine treatment of OUD patients induces clinically relevant but reversible QTc prolongation, bradycardia, and severe ataxia. add.15448

  • Clinical observations confirm the risk: reversible QTc prolongation and bradycardia were documented in a Dutch OUD detoxification study, noribogaine produced dose-dependent QTcI prolongation of 0.17 ms/ng/mL (mean increases of 16–42 ms across 60–180 mg dose groups), and a case report documented prolonged multiple cardiac arrhythmias following internet-purchased ibogaine.supported

    Concentration-dependent QTcI increase 0.17 ms/ng/mL; mean 16-42 ms across 60-180 mg dose groups. cpdd.254

  • Clinical observations confirm the risk: reversible QTc prolongation and bradycardia were documented in a Dutch OUD detoxification study, noribogaine produced dose-dependent QTcI prolongation of 0.17 ms/ng/mL (mean increases of 16–42 ms across 60–180 mg dose groups), and a case report documented prolonged multiple cardiac arrhythmias following internet-purchased ibogaine.supported

    Case of prolonged cardiac arrhythmias following internet-purchased ibogaine. 15563650.2017.1287372

  • Multiple fatalities temporally associated with ibogaine have been reported in the literaturesupported

    Life-threatening complications and sudden death cases accumulating. molecules20022208

  • Claim in safety — inconclusiveinconclusiveworking →

  • Consolidated case reviews are contained in dedicated toxicology reviews.supported

    Review of ibogaine cardiac effects: life-threatening complications and sudden death cases accumulating. molecules20022208

  • Consolidated case reviews are contained in dedicated toxicology reviews.supported

    Review of ibogaine toxicity. Reports of toxicity are cause for concern. 15563650.2016.1138226

  • The Stanford MISTIC protocol co-administers magnesium with ibogaine as a QTc-stabilizing measure; no unexpected serious adverse events occurred in 30 participants.supported

    MISTIC: 30 male SOF veterans with TBI. No SAEs. Magnesium co-administration. s41591-023-02705-w

  • In rats, ibogaine causes dose-dependent Purkinje cell degeneration via a trans-synaptic excitotoxic mechanism: activation of inferior olivary neurons produces excessive glutamate release at climbing fiber synapses, causing Purkinje cell deathsupported

    Inferior olive ablation prevents ibogaine-induced Purkinje cell degeneration. Ibogaine activates inferior olivary neurons causing glutamate release at climbing fibers — indirect excitotoxic mechanism. pmid:9348351

  • Sigma-2 receptor activation mediates this pathwaysupported

    Sigma-2 action mediates neurotoxicity. pmid:9668680

  • The NOAEL in rats is 25 mg/kg (i.p.); degeneration appears at 75–100 mg/kgsupported

    Purkinje cell degeneration at 75-100 mg/kg (rats). NOAEL 25 mg/kg. pmid:10966515

  • The standard anti-addictive dose in rat models (40 mg/kg) does not cause Purkinje cell loss above saline controls.supported

    40 mg/kg ibogaine (anti-addictive dose) produced no Purkinje cell degeneration. pmid:8930373

  • Severe ataxia renders patients unable to walk during the acute phase; supine positioning is mandatorypartially supported

    Ibogaine treatment of OUD patients induces clinically relevant but reversible QTc prolongation, bradycardia, and severe ataxia. add.15448

  • Dose-dependent bradycardia is consistently reported; 18-MC lacks this effectsupported

    Only ibogaine causes cerebellar damage (>=100 mg/kg), tremors, bradycardia. pmid:11085336

  • Ibogaine does not support self-administration in animal modelssupported

    No effect on CPP. Meta-analysis of 27 studies. tp.2016.71

  • CYP2D6 poor metabolizers (genetic or drug-induced) face substantially increased cardiac risk unless the ibogaine dose is reduced.supported

    Paroxetine doubles active moiety exposure. Genotyping recommended before ibogaine treatment. jcph.471

  • One fatality in the foundational clinical case series was attributed to possible surreptitious heroin use during ibogaine treatmentpartially supported

    33 cases of opioid detoxification. One fatality. First systematic case series. pmid:10506904

  • ABCB1 inhibitors (verapamil, cyclosporine) may increase ibogaine oral bioavailability and CNS penetrationsupported

    ABCB1+ABCG2 limit oral availability and brain penetration. fphar.2022.855000

  • CYP3A4 is not a significant interaction pathway for ibogaine or noribogaine.supported

    CYP3A4 not significant. fphar.2022.855000

  • Claim in safety — inconclusiveinconclusiveworking →

  • Claim in safety — inconclusiveinconclusiveworking →

  • Cardiac arrhythmia or structural heart disease — increased vulnerability to ibogaine-induced conduction abnormalitiessupported

    Ibogaine propensity to induce cardiac arrhythmias. Life-threatening complications and sudden death cases accumulating. molecules20022208

  • Claim in safety — inconclusiveinconclusiveworking →

  • Claim in safety — inconclusiveinconclusiveworking →

  • Claim in safety — inconclusiveinconclusiveworking →

  • Claim in safety — inconclusiveinconclusiveworking →

  • CYP2D6 inhibitor use without dose adjustment — approximately doubles ibogaine exposuresupported

    Paroxetine doubles active moiety exposure. jcph.471

pharmacology24 · 19 ok
  • Kappa-opioid receptor (KOR) agonism (Ki ~2.0–2.1 µM) and NMDA receptor open-channel antagonism (IC50 3.1 µM in rat hippocampal neurons; [³H]dizocilpine binding IC50 3.2 µM) together account for ibogaine's effects on morphine and cocaine self-administrationpartially supported

    Ki values for ibogaine at kappa-opioid receptors 2.08 µM. pmid:1377086

  • Kappa-opioid receptor (KOR) agonism (Ki ~2.0–2.1 µM) and NMDA receptor open-channel antagonism (IC50 3.1 µM in rat hippocampal neurons; [³H]dizocilpine binding IC50 3.2 µM) together account for ibogaine's effects on morphine and cocaine self-administrationpartially supported

    IC50 3.1 µM at -60 mV for NMDA current block in rat hippocampal neurons. [3H]dizocilpine binding IC50 3.2 µM. pmid:8793904

  • Partial reversal by the kappa antagonist norbinaltorphimine combined with the NMDA agonist confirms both mechanisms operate in vivosupported

    Combination of kappa antagonist + NMDA agonist partially prevented ibogaine inhibition of morphine self-administration. Both kappa agonist and NMDA antagonist actions contribute to anti-addictive effects. pmid:9138735

  • NMDA blockade is use- and voltage-dependent, consistent with an open-channel mechanismsupported

    Use- and voltage-dependent open-channel block. pmid:8793904

  • In vivo anticonvulsant activity (ED50 31 mg/kg i.p. for maximal electroshock protection in mice) provides further evidence of functional NMDA antagonism.supported

    ED50 31 mg/kg for maximal electroshock protection in mice. pmid:8793904

  • Intra-VTA GDNF microinjection mimics ibogaine's anti-alcohol effect, while anti-GDNF antibodies block it; GDNF receptor (Ret) and ERK1 phosphorylation are increasedsupported

    Microinjection into VTA reduced ethanol self-administration. GDNF receptor (Ret) and ERK1 phosphorylation increased. Anti-GDNF antibodies blocked ibogaine's anti-alcohol effect. pmid:15659598

  • Noribogaine, but not 18-methoxycoronaridine (18-MC), also induces GDNF in SH-SY5Y cells and reduces alcohol self-administration when infused into the VTAsupported

    Noribogaine (but not 18-MC) induces GDNF mRNA increase in SH-SY5Y cells. Intra-VTA noribogaine decreases alcohol self-administration. j.1369-1600.2010.00251.x

  • Ibogaine inhibits the serotonin transporter (SERT) at low micromolar concentrations, acutely increasing extracellular serotonin in the nucleus accumbens — an effect not shared by noribogaine or 18-MCpartially supported

    Only ibogaine increases serotonin in accumbens. 18-MC has lower NMDA, sigma-2, sodium channel, and 5-HT transporter affinity. pmid:11085336

  • Claim in pharmacology — inconclusiveinconclusiveworking →

  • Claim in pharmacology — inconclusiveinconclusiveworking →

  • Ibogaine acutely decreases extracellular dopamine in the nucleus accumbens and blocks morphine-induced and nicotine-induced dopamine releasepartially supported

    Ibogaine and noribogaine decrease dopamine in nucleus accumbens, block morphine-induced dopamine release. Binds kappa-opioid, NMDA, serotonin uptake; ibogaine also sigma-2 and nicotinic. pmid:9668680

  • Ibogaine acutely decreases extracellular dopamine in the nucleus accumbens and blocks morphine-induced and nicotine-induced dopamine releasepartially supported

    18-MC vs ibogaine: both decrease dopamine in nucleus accumbens. pmid:11085336

  • Claim in pharmacology — inconclusiveinconclusiveworking →

  • Claim in pharmacology — inconclusiveinconclusiveworking →

  • Ibogaine binds nicotinic acetylcholine receptors (nAChRs) as an antagonist; this action is implicated in reduction of nicotine intake in rats. 18-MC shares this property.partially supported

    Binds kappa-opioid, NMDA, serotonin uptake; ibogaine also sigma-2 and nicotinic. pmid:9668680

  • Claim in pharmacology — not_supportednot supportedworking →

  • An emerging hypothesis proposes that ibogaine reopens critical periods for reward learning through GDNF-mediated and extracellular matrix mechanisms, analogous to critical-period reopening described for other psychedelics.supported

    GDNF induction, glutamate/dopamine modulation, neuroplasticity reopening as unified mechanism across addiction, OCD, PTSD, eating disorders. fphar.2025.1744383

  • In mice, brain-to-plasma ratio reaches 3.4, indicating substantial CNS penetration; ABCB1 knockout increases brain penetration 1.5-foldpartially supported

    ABCB1+ABCG2 limit oral availability and brain penetration. Brain-to-plasma ratio 3.4 in mice. fphar.2022.855000

  • The compound distributes extensively into tissues, with sequestration in adipose tissue providing a reservoir for slow release and prolonged pharmacological effects.supported

    Ibogaine/noribogaine sequestered in fat. pmid:10911925

  • CYP3A4 does not significantly affect ibogaine or noribogaine pharmacokinetics.supported

    CYP3A4 not significant. fphar.2022.855000

  • CYP2D6 genotype robustly correlates with ibogaine AUC (r = 0.82) and Cmax (r = 0.77)partially supported

    CYP2D6 phenotype correlated with ibogaine AUC r=0.82. jcph.471

  • CYP2D6 poor metabolizers — whether genetic or drug-induced (e.g., by paroxetine pretreatment) — exhibit approximately 2-fold higher active moiety exposure, necessitating dose reduction and pre-treatment genotyping.supported

    Paroxetine doubles active moiety exposure. Genotyping recommended before ibogaine treatment. jcph.471

  • The primary active metabolite noribogaine has a substantially longer half-life of 28–49 hours, accounting for both the prolonged therapeutic effects and the extended cardiac risk window following a single dose.supported

    Noribogaine 3-60 mg: Tmax 2-3h, dose-linear AUC/Cmax, mean t1/2 28-49h, Vd 1417-3086L. jcph.404

  • Human PK/PD relationships in opioid use disorder patients — correlating ibogaine and metabolite concentrations with side effects and withdrawal severity — have been characterized in a Dutch OUD detoxification cohort.supported

    PK/PD relationships of ibogaine and metabolites in OUD patients during ibogaine-supported detoxification. 02698811241237873

neuroscience10 · 9 ok
  • Noribogaine also induces GDNF in neuroblastoma cells (SH-SY5Y), suggesting that neurotrophic signaling persists into the noribogaine-dominant pharmacological phase.supported

    Noribogaine (but not 18-MC) induces GDNF mRNA increase in SH-SY5Y cells. j.1369-1600.2010.00251.x

  • Sigma-2 receptor activation mediates this effectsupported

    Sigma-2 action mediates neurotoxicity. pmid:9668680

  • The anti-addictive dose in rats (40 mg/kg) does not produce Purkinje cell loss above saline controls, and the NOAEL is 25 mg/kg.partially supported

    40 mg/kg ibogaine (anti-addictive dose) produced no Purkinje cell degeneration. High doses (100 mg/kg) caused degeneration in lateral/intermediate cerebellum. pmid:8930373

  • The anti-addictive dose in rats (40 mg/kg) does not produce Purkinje cell loss above saline controls, and the NOAEL is 25 mg/kg.partially supported

    Purkinje cell degeneration at 75-100 mg/kg (rats). NOAEL 25 mg/kg. 50 mg/kg borderline (2/6 affected). pmid:10966515

  • Does cerebellar neurotoxicity occur in humans at therapeutic doses? Rat data show a dose-dependent threshold (NOAEL 25 mg/kg i.p.), but interspecies extrapolation to human oral doses (~10–25 mg/kg) is uncertain. No controlled neuroimaging studies of cerebellar integrity following clinical ibogaine use have been published.supported

    Purkinje cell degeneration at 75-100 mg/kg (rats). NOAEL 25 mg/kg. pmid:10966515

  • Ibogaine acutely reduces dopamine release in the nucleus accumbens (NAc), the terminal field of the mesolimbic reward pathway originating in the VTAsupported

    Ibogaine and noribogaine decrease dopamine in nucleus accumbens. pmid:9668680

  • Ibogaine acutely reduces dopamine release in the nucleus accumbens (NAc), the terminal field of the mesolimbic reward pathway originating in the VTAsupported

    18-MC vs ibogaine: both decrease dopamine in nucleus accumbens. pmid:11085336

  • Claim in neuroscience — inconclusiveinconclusiveworking →

  • Intra-VTA GDNF microinjection reproduces ibogaine's anti-alcohol effect; anti-GDNF antibodies block itsupported

    Microinjection into VTA reduced ethanol self-administration. Anti-GDNF antibodies blocked ibogaine's anti-alcohol effect. pmid:15659598

  • Ibogaine may reopen critical periods for reward learning through GDNF-mediated neuroplasticity and extracellular matrix reorganization in the VTAsupported

    GDNF induction, glutamate/dopamine modulation, neuroplasticity reopening as unified mechanism across addiction, OCD, PTSD, eating disorders. fphar.2025.1744383

summary8 · 7 ok
  • Claim in summary — inconclusiveinconclusiveworking →

  • Ibogaine acts simultaneously on multiple receptor systems: kappa-opioid receptor agonism (Ki ~2.0 µM), NMDA receptor open-channel antagonism (IC50 3.1 µM), serotonin transporter inhibition, sigma-2 receptor binding, and nicotinic acetylcholine receptor antagonismpartially supported

    Ki values for ibogaine at kappa-opioid receptors 2.08 µM. pmid:1377086

  • Ibogaine acts simultaneously on multiple receptor systems: kappa-opioid receptor agonism (Ki ~2.0 µM), NMDA receptor open-channel antagonism (IC50 3.1 µM), serotonin transporter inhibition, sigma-2 receptor binding, and nicotinic acetylcholine receptor antagonismsupported

    IC50 3.1 µM at -60 mV for NMDA current block in rat hippocampal neurons. Use- and voltage-dependent open-channel block. pmid:8793904

  • Ibogaine acts simultaneously on multiple receptor systems: kappa-opioid receptor agonism (Ki ~2.0 µM), NMDA receptor open-channel antagonism (IC50 3.1 µM), serotonin transporter inhibition, sigma-2 receptor binding, and nicotinic acetylcholine receptor antagonismsupported

    Radioligand binding assays targeting over 50 distinct neurotransmitter receptors. Ibogaine interacted with mu, delta, kappa opioid, 5HT2, 5HT3, muscarinic 1/2, dopamine/NE/5HT uptake sites, NMDA ion channels, sodium ion channels. pmid:7568622

  • A key downstream mechanism is upregulation of glial cell line-derived neurotrophic factor (GDNF) in the ventral tegmental areasupported

    Ibogaine increased GDNF expression in VTA midbrain. GDNF receptor (Ret) and ERK1 phosphorylation increased. Anti-GDNF antibodies blocked ibogaine's anti-alcohol effect. pmid:15659598

  • Greater mystical experience intensity (MEQ30) predicts larger therapeutic outcomessupported

    Greater mystical experiences during ibogaine associated with larger PTSD reductions immediately and 1 month post-treatment. MEQ30 by time interaction significant. j.jad.2025.120722

  • Ibogaine's primary acute risk is cardiac arrhythmia. hERG channel blockade by ibogaine (IC50 3.53–4.09 µM) and noribogaine (IC50 2.86 µM) prolongs QT interval, with documented torsades de pointes and sudden cardiac death at therapeutic dosespartially supported

    hERG IC50: ibogaine (semisynthesis) 4.09 µM, ibogaine (extraction) 3.53 µM, noribogaine 2.86 µM. Voltage-dependent low-affinity blockade. s12012-015-9311-5

  • Ibogaine does not support self-administration in animal models and shows no dependence liabilitysupported

    Meta-analysis of 27 studies: ibogaine reduced drug self-administration (especially first 24h). No effect on CPP. tp.2016.71

comparative-pharmacology7 · 6 ok
  • Data compiled from , , , and .supported

    hERG IC50: ibogaine (semisynthesis) 4.09 µM, ibogaine (extraction) 3.53 µM, noribogaine 2.86 µM, voacangine 2.25 µM. 18-MC IC50 >50 µM. s12012-015-9311-5

  • Data compiled from , , , and .supported

    18-MC vs ibogaine: both decrease dopamine in nucleus accumbens. Only ibogaine increases serotonin in accumbens. Ibogaine/noribogaine sequestered in fat. pmid:11085336

  • Data compiled from , , , and .supported

    Ibogaine/noribogaine have low microM affinities for kappa/mu opioid, NMDA, 5HT-3, sigma-2, sodium channels, serotonin transporter. pmid:11705115

  • Noribogaine is a more potent hERG blocker (IC50 2.86 µM vs 3.53–4.09 µM for ibogaine) and induces GDNF in the VTApartially supported

    hERG IC50: ibogaine (semisynthesis) 4.09 µM, ibogaine (extraction) 3.53 µM, noribogaine 2.86 µM. s12012-015-9311-5

  • Noribogaine is a more potent hERG blocker (IC50 2.86 µM vs 3.53–4.09 µM for ibogaine) and induces GDNF in the VTApartially supported

    Noribogaine (but not 18-MC) induces GDNF mRNA increase in SH-SY5Y cells. Intra-VTA noribogaine decreases alcohol self-administration. j.1369-1600.2010.00251.x

  • Claim in comparative-pharmacology — inconclusiveinconclusiveworking →

  • Noribogaine's substantially longer half-life (28–49 hours vs ~1–10 hours for ibogaine) means that following oral ibogaine administration, pharmacological activity transitions from an ibogaine-dominant phase to a noribogaine-dominant phase within hourssupported

    Noribogaine 3-60 mg: Tmax 2-3h, dose-linear AUC/Cmax, mean t1/2 28-49h, Vd 1417-3086L. jcph.404

pharmacokinetic-detail5 · 5 ok
  • In a single 20 mg dose study in healthy volunteers, CYP2D6 genotype correlated with ibogaine AUC at r = 0.82 and Cmax at r = 0.77partially supported

    CYP2D6 phenotype correlated with ibogaine AUC r=0.82. Influence of CYP2D6 activity on the pharmacokinetics and pharmacodynamics of a single 20 mg dose. jcph.471

  • These parameters were established in ascending-dose healthy volunteer and opioid-dependent patient studiessupported

    Noribogaine 3-60 mg: Tmax 2-3h, dose-linear AUC/Cmax, mean t1/2 28-49h, Vd 1417-3086L. No safety issues. jcph.404

  • These parameters were established in ascending-dose healthy volunteer and opioid-dependent patient studiessupported

    Ascending Single-Dose, Double-Blind, Placebo-Controlled Safety Study of Noribogaine in Opioid-Dependent Patients. Dose-linear PK. cpdd.254

  • In ABCB1-knockout mice, brain-to-plasma ratios increase ~1.5-fold, indicating that efflux transporters actively restrict CNS penetration despite ibogaine's lipophilicitypartially supported

    ABCB1+ABCG2 limit oral availability and brain penetration. Brain-to-plasma ratio 3.4 in mice. fphar.2022.855000

  • ABCB1 inhibitors (verapamil, cyclosporine) may therefore increase both oral bioavailability and brain exposure, though this interaction has not been characterized in humans.supported

    ABCB1+ABCG2 limit oral availability and brain penetration. fphar.2022.855000

clinical-evidence3 · 1 ok
  • No unexpected serious adverse events occurred.supported

    No SAEs. s41591-023-02705-w

  • Claim in clinical-evidence — inconclusiveinconclusiveworking →

  • Claim in clinical-evidence — inconclusiveinconclusiveworking →

history3 · 2 ok
  • Claim in history — inconclusiveinconclusiveworking →

  • The root bark has been used for centuries in Bwiti religious practices among the Fang people for initiation rites, spiritual ceremonies, and as a stimulant at sub-hallucinogenic dosessupported

    Root bark from Tabernanthe iboga used traditionally in West Africa in religious rituals. In smaller doses reported anecdotally to have stimulant properties. j.jep.2016.05.022

  • During the late 1980s and 1990s, Lotsof organized informal treatment sessions in the Netherlands, producing the first published clinical case series.supported

    33 cases of opioid detoxification. First systematic case series. pmid:10506904

chemistry2 · 1 ok
  • Claim in chemistry — inconclusiveinconclusiveworking →

  • Published physicochemical data:supported

    Review of physicochemical properties, bioanalytical methods, and pharmacology of ibogaine as anti-addictive agent. 0960327107087802

effects-overview2 · 0 ok
  • Claim in effects-overview — inconclusiveinconclusiveworking →

  • Claim in effects-overview — inconclusiveinconclusiveworking →

receptor-pharmacology2 · 2 ok
  • Several binding constants remain imprecisely reported — specific Ki values for ibogaine at SERT and sigma-2 receptors were not extracted from available abstracts, although both interactions are qualitatively confirmed.partially supported

    Ibogaine interacted with mu, delta, kappa opioid, 5HT2, 5HT3, muscarinic 1/2, dopamine/NE/5HT uptake sites, NMDA ion channels, sodium ion channels. pmid:7568622

  • Several binding constants remain imprecisely reported — specific Ki values for ibogaine at SERT and sigma-2 receptors were not extracted from available abstracts, although both interactions are qualitatively confirmed.supported

    Binds kappa-opioid, NMDA, serotonin uptake; ibogaine also sigma-2 and nicotinic. pmid:9668680

3Sources

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

Sources 1 to 30
yearsourcetierstatusfeeds
2026Mystical experiences during magnesium-Ibogaine are associated with improvements in PTSD symptoms in veteransBrown RE, Lissemore JI, Shinozuka KF, et al. · Journal of affective disordersdoi:10.1016/j.jad.2025.120722moderateconsumed2 sections
2025Ibogaine legal status and scheduling historyLegislative Analysis and Public Policy Associationurl:6894258a3bad6ce2weakconsumedcited only
2025Ibogaine's potential role in supporting reward system recovery across diagnostic boundariesNicolas M · Frontiers in pharmacologydoi:10.3389/fphar.2025.1744383moderateconsumed2 sections
2025State-by-State Ibogaine Legislation trackerAmericans for Ibogaineurl:e76f25749de66015weakconsumedcited only
2025The therapeutic effects of psychedelics for opioid use disorder: A systematic review of clinical studiesWeleff J, Pulido-Saavedra A, Aghaei AM, et al. · Psychiatry researchdoi:10.1016/j.psychres.2025.116446strongconsumedcited only
2024Magnesium-ibogaine therapy in veterans with traumatic brain injuriesCherian KN, Keynan JN, Anker L, et al. · Nature medicinedoi:10.1038/s41591-023-02705-wmoderateconsumed3 sections
2024Oxa-Iboga alkaloids lack cardiac risk and disrupt opioid use in animal modelsHavel V, Kruegel AC, Bechand B, et al. · Nature communicationsdoi:10.1038/s41467-024-51856-ymoderateconsumedcited only
2024Psychedelic Therapy: A Primer for Primary Care Clinicians-IbogaineCherian K, Shinozuka K, Tabaac BJ, et al. · American journal of therapeuticsdoi:10.1097/mjt.0000000000001723moderateconsumedcited only
2024The pharmacokinetics and pharmacodynamics of ibogaine in opioid use disorder patientsKnuijver T, Ter Heine R, Schellekens AFA, et al. · Journal of psychopharmacologydoi:10.1177/02698811241237873moderateconsumed1 section
2023Ibogaine/Noribogaine in the Treatment of Substance Use Disorders: A Systematic Review of the Current LiteratureMosca A, Chiappini S, Miuli A, Mancusi G, Santovito MC, Di Carlo F, et al. · Current neuropharmacologydoi:10.2174/1570159x21666221017085612strongconsumedcited only
2022A systematic literature review of clinical trials and therapeutic applications of ibogaineKöck P, Froelich K, Walter M, Lang U, Dürsteler KM · Journal of substance abuse treatmentdoi:10.1016/j.jsat.2021.108717strongconsumed2 sections
2022Drug Transporters ABCB1 (P-gp) and OATP, but not Drug-Metabolizing Enzyme CYP3A4, Affect the Pharmacokinetics of the Psychoactive Alkaloid Ibogaine and its MetabolitesF Martins ML, Heydari P, Li W, et al. · Frontiers in pharmacologydoi:10.3389/fphar.2022.855000moderateconsumed3 sections
2022Safety of ibogaine administration in detoxification of opioid-dependent individuals: a descriptive open-label observational studyKnuijver T, Schellekens A, Belgers M, Donders R, van Oosteren T, Kramers K, Verkes R · Addictiondoi:10.1111/add.15448moderateconsumed2 sections
2021Efficient Access to the Iboga Skeleton: Optimized Procedure to Obtain Voacangine from Voacanga africana Root BarkGonzález B, Fagúndez C, et al. · ACS omegadoi:10.1021/acsomega.1c00745moderateconsumedcited only
2018Ibogaine Detoxification Transitions Opioid and Cocaine Abusers Between Dependence and AbstinenceMash DC, Duque L, Page B, Allen-Ferdinand K · Frontiers in pharmacologydoi:10.3389/fphar.2018.00529moderateconsumedcited only
2017Anti-addiction Drug Ibogaine Prolongs the Action Potential in Human Induced Pluripotent Stem Cell-Derived CardiomyocytesRubi L, Eckert D, Boehm S, Hilber K, Koenig X · Cardiovascular toxicologydoi:10.1007/s12012-016-9366-ymoderateconsumed1 section
2017Toxicokinetics of ibogaine and noribogaine in a patient with prolonged multiple cardiac arrhythmias after ingestion of internet purchased ibogaineHenstra M, Wong L, Chahbouni A, Swart N, Allaart C, Sombogaard F · Clinical toxicologydoi:10.1080/15563650.2017.1287372weakconsumed1 section
2016Ascending Single-Dose, Double-Blind, Placebo-Controlled Safety Study of Noribogaine in Opioid-Dependent PatientsGlue P, Cape G, Tunnicliff D, et al. · Clinical pharmacology in drug developmentdoi:10.1002/cpdd.254strongconsumed2 sections
2016Effects of low dose ibogaine on subjective mood state and psychological performanceForsyth B, Machado L, Jowett T, Jakobi H, Garbe K, Winter H, Glue P · Journal of ethnopharmacologydoi:10.1016/j.jep.2016.05.022moderateconsumed1 section
2016hERG Blockade by Iboga AlkaloidsAlper K, Bai R, Liu N, Fowler SJ, Huang XP, Priori SG, Ruan Y · Cardiovascular toxicologydoi:10.1007/s12012-015-9311-5moderateconsumed3 sections
2016How toxic is ibogaine?Litjens RP, Brunt TM · Clinical toxicologydoi:10.3109/15563650.2016.1138226moderateconsumed1 section
2016Ibogaine and addiction in the animal model, a systematic review and meta-analysisBelgers M, Leenaars M, Homberg JR, Ritskes-Hoitinga M, Schellekens AF, Hooijmans CR · Translational psychiatrydoi:10.1038/tp.2016.71strongconsumed2 sections
2015Ascending-dose study of noribogaine in healthy volunteers: pharmacokinetics, pharmacodynamics, safety, and tolerabilityGlue P, Lockhart M, Lam F, Hung N, Hung CT, Friedhoff L · Journal of clinical pharmacologydoi:10.1002/jcph.404moderateconsumed3 sections
2015Influence of CYP2D6 activity on the pharmacokinetics and pharmacodynamics of a single 20 mg dose of ibogaine in healthy volunteersGlue P, Winter H, Garbe K, Jakobi H, Lyudin A, Lenagh-Glue Z, Hung CT · Journal of clinical pharmacologydoi:10.1002/jcph.471moderateconsumed3 sections
2015The anti-addiction drug ibogaine and the heart: a delicate relationKoenig X, Hilber K · Moleculesdoi:10.3390/molecules20022208moderateconsumed1 section
2013Effect of Iboga alkaloids on µ-opioid receptor-coupled G protein activationAntonio T, Childers SR, Rothman RB, et al. · PloS onedoi:10.1371/journal.pone.0077262moderateconsumed2 sections
2010Noribogaine, but not 18-MC, exhibits similar actions as ibogaine on GDNF expression and ethanol self-administrationCarnicella S, He DY, Yowell QV, Glick SD, Ron D · Addiction biologydoi:10.1111/j.1369-1600.2010.00251.xmoderateconsumed3 sections
2008Ibogaine, an anti-addictive drug: pharmacology and time to go further in developmentMaciulaitis R, Kontrimaviciute V, Bressolle FM, Briedis V · Human & experimental toxicologydoi:10.1177/0960327107087802moderateconsumed1 section
2005Glial cell line-derived neurotrophic factor mediates the desirable actions of the anti-addiction drug ibogaine against alcohol consumptionHe DY, McGough NN, Ravindranathan A, et al. · The Journal of neurosciencepmid:15659598moderateconsumed3 sections
2001Mechanisms of action of ibogaine: relevance to putative therapeutic effects and development of a safer iboga alkaloid congenerGlick SD, Maisonneuve IM, Szumlinski KK · The Alkaloids. Chemistry and biologypmid:11705115moderateconsumed2 sections
Show all 46 sources — 16 more
Sources 31 to 46
yearsourcetierstatusfeeds
200018-Methoxycoronaridine (18-MC) and ibogaine: comparison of antiaddictive efficacy, toxicity, and mechanisms of actionGlick SD, Maisonneuve IM, Szumlinski KK · Annals of the New York Academy of Sciencespmid:11085336moderateconsumed4 sections
2000A dose-response study of ibogaine-induced neuropathology in the rat cerebellumXu Z, Chang LW, Slikker W, Ali SF, Rountree RL, Scallet AC · Toxicological sciencespmid:10966515moderateconsumed2 sections
2000Development of novel medications for drug addiction. The legacy of an African shrubGlick SD, Maisonneuve IM · Annals of the New York Academy of Sciencespmid:10911925moderateconsumed1 section
1999Treatment of acute opioid withdrawal with ibogaineAlper KR, Lotsof HS, Frenken GM, Luciano DJ, Bastiaans J · The American journal on addictionspmid:10506904weakconsumed2 sections
1998Mechanisms of antiaddictive actions of ibogaineGlick SD, Maisonneuve IS · Annals of the New York Academy of Sciencespmid:9668680moderateconsumed4 sections
1997Evidence for roles of kappa-opioid and NMDA receptors in the mechanism of action of ibogaineGlick SD, Maisonneuve IM, Pearl SM · Brain researchpmid:9138735moderateconsumed1 section
1997Ibogaine and cocaine abuse: pharmacological interactions at dopamine and serotonin receptorsSershen H, Hashim A, Lajtha A · Brain research bulletinpmid:8995326moderateconsumed1 section
1997The olivocerebellar projection mediates ibogaine-induced degeneration of Purkinje cellsO'Hearn E, Molliver ME · The Journal of neurosciencepmid:9348351moderateconsumed1 section
1996Ibogaine block of the NMDA receptor: in vitro and in vivo studiesChen K, Kokate TG, Donevan SD, Carroll FI, Rogawski MA · Neuropharmacologypmid:8793904moderateconsumed2 sections
1996Ibogaine neurotoxicity: a re-evaluationMolinari HH, Maisonneuve IM, Glick SD · Brain researchpmid:8930373moderateconsumed2 sections
1995Receptor binding profile suggests multiple mechanisms of action are responsible for ibogaine's putative anti-addictive activitySweetnam PM, Lancaster J, Snowman A, Collins JL, Perschke S, Bauer C, Ferkany J · Psychopharmacologypmid:7568622moderateconsumed2 sections
1992Mechanisms of action of ibogaine and harmaline congeners based on radioligand binding studiesDeecher DC, Teitler M, Soderlund DM, Bornmann WG, Kuehne ME, Glick SD · Brain researchpmid:1377086moderateconsumed2 sections
—Searched PubChem web for "ibogaine CAS melting point logP LD50" — no resultsabsenceno results—
—Searched PubMed for "ibogaine LD50 lethal dose toxicity animal study mouse rat" — no resultsabsenceno results—
—Searched PubMed for "ibogaine LD50 lethal dose toxicity animal" — no resultsabsenceno results—
—Searched web for "ibogaine physical properties CAS LD50" — no resultsabsenceno results—

4Docket

one filing per activity — decisions, correspondence, reports

  1. 0012026-04-26revisionRevision 1

    Initial LLM generation (v5 pipeline, wiki)

    psx:substance/ibogaine/version/1
  2. 0022026-06-04proposal30 value proposals approved together

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

    30 items in this filing

    • dose_tier · light
    • dose_tier · common
    • dose_tier · strong
    • dose_tier · heavy
    • timeline · oral · onset
    • timeline · oral · come_up
    • timeline · oral · peak
    • timeline · oral · plateau
    • 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
    • contraindication · cardiovascular
    • contraindication · cardiovascular
    • contraindication · other
    • contraindication · other
    • contraindication · metabolic
    • contraindication · hepatic
    • contraindication · other
    • contraindication · pregnancy_breastfeeding
    psx:substance/ibogaine/proposal/dose_tier/8a88dbaa-7c3a-4a20-871c-fd95bfcb832b
  3. 0032026-06-04publicationPublication — backfill

5Issued documents

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

Issued documents
documentcontent hashissuedfrom versionsuperseded
info_card4928122161731ef73cf4f533…2026-10-19 20:32Revision 1current
emergency777b5863d801327b008f5610…2026-09-04 04:30Revision 1current
info_card2a35d51229a3efab3f7eb889…2026-09-04 04:30Revision 1superseded2026-10-19
noticed01a7bd621d44c866a99a811…2026-09-04 04:30Revision 1current