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SPL026

Phase 1

Major Depressive Disorder | Small molecule | Psychiatry |Cybin Inc.|Last Updated: Jun 14, 2024

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLEDDMCBiomarker
Total Trials3
Total Enrollment98

FDA Designations

No designations recorded

Clinical trial landscape

SPL026 · 3 trials · 1 indication

Phase 1 3
NCT05644093IM and IV SPL026 Drug Product in Healthy ParticipantsMajor Depressive Disorder
COMPLETED14 Analytics
NCT05553691SPL026 With or Without SSRIs in Participants With MDDMajor Depressive Disorder
COMPLETED18 Analytics
NCT04673383SPL026 (DMT Fumarate) in Healthy Subjects and MDD PatientsMajor Depressive Disorder
COMPLETED66 Analytics
PHASE1COMPLETED
IM and IV SPL026 Drug Product in Healthy Participants
Major Depressive DisorderUnlock trial analytics
PHASE1COMPLETED
SPL026 With or Without SSRIs in Participants With MDD
Major Depressive DisorderUnlock trial analytics
PHASE1COMPLETED
SPL026 (DMT Fumarate) in Healthy Subjects and MDD Patients
Major Depressive DisorderUnlock trial analytics

Study Endpoints

Primary Endpoints

Lab biochemistry [Safety & Tolerability]
Change from baseline at Day 1 post dose

Values of potential clinical importance

Incidence of Treatment-Emergent Adverse Events [Safety and Tolerability]
Throughout the study until 14 days after dosing (Day 15 EOS)

Adverse Events (AEs)

Heart Rate [Vital Signs - Safety & Tolerability]
Change from baseline heart rate at Day 1 or Day 2 post dose

pulse rate will be measured in bpm

Blood Pressure [Vital Signs - Safety & Tolerability]
Change from baseline blood pressure at Day 1 or Day 2 post dose

arterial blood pressure

Temperature [Vital Signs - Safety & Tolerability]
Change from baseline temperature at Day 1 or Day 2 post dose

tympanic temperature

12-lead ECG [Safety & Tolerability]
Change from baseline ECG at Day 1 or Day 2 post dose

QTcX intervals

Physical Exam [Safety & Tolerability]
Change from baseline at Day 1 post dose

Full physical exam screening and a brief symptom guided exam at Day -1 and Day 1

Beck Scale for Suicidal Ideation (BSS) - [Safety & Tolerability]
Change from baseline at Day 15 post dose

The Beck Suicidal Ideation scale to monitor suicidal ideation

Safety & tolerability: Adverse Events
Screening to End-of-Study Follow-up (Day 29)

Adverse events (AEs)

Safety & tolerability: Lab biochemistry
Screening, Day -1 and Day 1

Values of potential clinical importance

Safety & tolerability: Vital signs - Heart Rate
Screening to Day 2

Heart rate

Safety & tolerability: Vital signs - Blood pressure
Screening to Day 2

Blood pressure

Safety & tolerability: Vital signs - Temperature
Screening to Day 2

Temperature

Safety & tolerability: Electrocardiogram
Screening to Day 2

QTcX intervals

Safety & tolerability: Suicidal Ideation
Screening to End-of-Study Follow-up (Day 29)

Columbia-Suicide Severity Rating Scale

Safety and tolerability in healthy volunteers
Up to three months after a single dose

Safety and tolerability measured by lab biochemistry, adverse events and intensity rating scale to measure tolerability of the psychedelic experience

Efficacy of SPL026 in MDD patients with moderate to severe depression
2 weeks after a single dose

Montgomery-Åsberg Depression Rating Scale (MADRS) score (where 7 - 19 is mild depression, 20 - 34 is moderate depression, and \>34 is severe depression) change from baseline at 2 weeks after the first dose (± 2 days)

Secondary Endpoints

Evaluation of plasma levels of DMT
Day 1
Mystical Experience Questionnaire (MEQ) - [Pharmacodynamics - Psychometric Scales and Questionnaires]
Day 1 (dosing day)
Challenging Experience Questionnaire (CEQ) - [Pharmacodynamics - Psychometric Scales and Questionnaires]
Day 1 (dosing day)
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelCROSSOVER
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Psychedelic Experienced IM then IV crossoverEXPERIMENTALParticipants will be dosed with IM SPL026 then IV SPL026 2-3 weeks later.
Psychedelic Naive IM dosing onlyEXPERIMENTALParticipants will be dosed with IM SPL026 one time.
Test CohortEXPERIMENTALPatients who are currently taking an SSRI that is not effective in fully relieving their depression (prescribed outside of study). Patients will be administered a single dose of SPL026 by intravenous infusion.
Control CohortEXPERIMENTALPatients who are not currently taking any pharmacological treatment for their depression. Patients will be administered a single dose of SPL026 by intravenous infusion.
Healthy volunteers (active)EXPERIMENTALSPL026 to be administered by IV injection
Healthy volunteers (placebo)EXPERIMENTALSPL026-matched placebo to be administered by IV injection
Patients (active)EXPERIMENTALSPL026 to be administered by IV injection
Patients (placebo)EXPERIMENTALSPL026-matched placebo to be administered by IV injection

Interventions

NameTypeDescription
SPL026 IVDRUGIV dosing
SPL026 IMDRUGIM dosing
SPL026DRUGIntravenous
PlaceboDRUGSPL026-matched placebo
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Eligibility Criteria

Age Range25 Years to 65 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: Part A only 1. Healthy psychedelic-experienced female or male participants (psychedelic-experienced is defined as having at least 2 previous experiences, with breakthrough, of serotonergic psychedelic drugs, including but not limited to: DMT, ayahausca, LSD, LSA \[morning glory...

Countries:United Kingdom
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Frequently asked questions about SPL026

What is SPL026 used for in Major Depressive Disorder?

SPL026 is an investigational small molecule being developed for the treatment of Major Depressive Disorder (MDD). It is currently in Phase 1 clinical development and has not been approved by regulatory authorities. The drug is being studied in healthy volunteers and patients with MDD to evaluate its safety and tolerability.

Who is developing SPL026?

SPL026 is being developed by Cybin Inc., a biopharmaceutical company focused on psychedelic-based therapeutics. Cybin Inc. trades on the stock exchange under the ticker symbol HELP. The company is conducting clinical trials of SPL026 in the United Kingdom.

What phase is SPL026 in?

SPL026 is in Phase 1 clinical development. All three clinical trials for SPL026 have been completed, with a total of 98 participants enrolled. The drug is still investigational and has not received FDA approval. It is being studied for the treatment of Major Depressive Disorder.

What clinical trials has SPL026 been in?

SPL026 has been studied in three completed Phase 1 clinical trials. NCT04673383 enrolled 66 healthy subjects and MDD patients, NCT05553691 enrolled 18 MDD patients with or without SSRIs, and NCT05644093 enrolled 14 healthy participants. All trials were conducted in the United Kingdom.

Is SPL026 the same as DMT fumarate?

SPL026 is also known as DMT fumarate, as indicated in the clinical trial title NCT04673383. It is a small molecule being investigated for Major Depressive Disorder. The drug is in Phase 1 development and has not been approved for any use.