> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/asset/ulotaront-f19508ce-3149-41ad-a16b-23dbba572f80
> Record changed: 2026-10-13

# Ulotaront

Highest phase reached

Phase 3

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4650337)

Drug type

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4650337)

## Development status

**Listing at source**

Listed

**Highest phase reached**

Phase 3

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4650337)

## Names and chemistry

**Drug type**

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4650337)

**Drug name**

Ulotaront

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4650337)

**Molecular weight**

183.28

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4650337)

**Structure (SMILES)**

CNC\[C@@H\]1OCCc2ccsc21

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4650337)

### Other names (11)

- sep 363856
- sep 856
- Sep-363856
- SEP-363856
- SEP-856
- ulotaront
- Ulotaront
- ulotaront \[INN\]
- ULOTARONT \[USAN\]
- ulotaront inn
- ulotaront usan

## Identifiers

**CAS registry numbers**

- 1310426-33-5

**ChEMBL ID**

CHEMBL4650337

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4650337)

**InChIKey**

ABDDQTDRAHXHOC-QMMMGPOBSA-N

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4650337)

**PubChem compound IDs**

- 89532783

**FDA ingredient codes (UNII)**

- 3K6270MG59

## Regulatory information

### Other regulatory facts

**First in class**

No

**Orphan designation**

No

## Pharmacology

### Drug classification

**Pharmacology name**

ulotaront

**Type**

Synthetic organic

**Drug name stem**

\-taront

### Mechanisms of action (4)

- **Action**  
Agonist

**Action type**  
Agonist

**Target**  
5-HT1A receptor

**Gene symbol**  
HTR1A

**Protein identifier**  
P08908

**Median affinity**

5.64

**Affinity units**  
pIC50
- **Action**  
Agonist

**Action type**  
Agonist

**Target**  
TA1 receptor

**Gene symbol**  
TAAR1

**Protein identifier**  
Q96RJ0

**Median affinity**

6.85

**Affinity units**  
pIC50

**Primary target**  
Yes
- **Mechanism**  
Serotonin 1a (5-HT1a) receptor agonist

**Action type**  
Agonist

**Target**  
5-hydroxytryptamine receptor 1A

**Protein identifier**  
P08908
- **Mechanism**  
Trace amine-associated receptor 1 agonist

**Action type**  
Agonist

**Target**  
Trace amine-associated receptor 1

**Protein identifier**  
Q96RJ0

### Open Targets mechanisms (2)

- **Mechanism**  
Serotonin 1a (5-HT1a) receptor agonist

**Action type**  
Agonist

**Target**  
5-hydroxytryptamine receptor 1A
- **Mechanism**  
Trace amine-associated receptor 1 agonist

**Action type**  
Agonist

**Target**  
Trace amine-associated receptor 1

### Investigated indications (5)

- **Condition**  
Anxiety Disorders

**Highest recorded phase**  
2

**Condition identifier**  
EFO:1001892

**Subject identifier**  
D001008
- **Condition**  
Depressive Disorder, Major

**Highest recorded phase**  
2

**Condition identifier**  
MONDO:0002009

**Subject identifier**  
D003865
- **Condition**  
Schizophrenia

**Highest recorded phase**  
3

**Condition identifier**  
MONDO:0005090

**Subject identifier**  
D012559
- **Condition**  
Parkinson Disease

**Highest recorded phase**  
1

**Condition identifier**  
MONDO:0005180

**Subject identifier**  
D010300
- **Condition**  
Narcolepsy

**Highest recorded phase**  
1

**Condition identifier**  
MONDO:0016158

**Subject identifier**  
D009290

### Open Targets indications (8)

- **Condition identifier**  
EFO\_1001892
- **Condition identifier**  
MONDO\_0001942

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0002009

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0005090

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0005180

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0016158
- **Condition identifier**  
MONDO\_0016158

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0021107

**Highest recorded phase**  
1

### Reported adverse events (4)

- **Event**  
escherichia sepsis

**Reports**  
2

**Reporting signal score**

9.49152
- **Event**  
mental status changes

**Reports**  
3

**Reporting signal score**

8.28377
- **Event**  
neutrophil toxic granulation present

**Reports**  
1

**Reporting signal score**

7.00032
- **Event**  
substance-induced mood disorder

**Reports**  
1

**Reporting signal score**

7.16061

### Trial references (22)

- NCT01940159  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01940159)
- NCT01972711  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01972711)
- NCT01994473  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01994473)
- NCT02969382  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT02969382)
- NCT02970929  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT02970929)
- NCT03370640  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT03370640)
- NCT04038957  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04038957)
- NCT04072354  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04072354)
- NCT04092686  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04092686)
- NCT04109950  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04109950)
- NCT04325737  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04325737)
- NCT04825860  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04825860)
- NCT04865835  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04865835)
- NCT05359081  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05359081)
- NCT05402111  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05402111)
- NCT05463770  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05463770)
- NCT05542264  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05542264)
- NCT05628103  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05628103)
- NCT05741528  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05741528)
- NCT05848700  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05848700)
- NCT05593029  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05593029)
- NCT05729373  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05729373)

## Chemical properties

**Hydrogen bond acceptors**

3

**Hydrogen bond donors**

1

**Polar surface area**

21.26

**Calculated partition coefficient (ALogP)**

1.58

**Calculated partition coefficient (XLogP)**

0.9

**Prodrug**

No

**Chirality**

Single enantiomer

**Inorganic**

No

**Rule-of-five violations**

0

**Rotatable bonds**

2

**Heavy atoms**

12

**Molecular formula**

C9H13NOS

**Monoisotopic mass**

183.07178521

**Natural product**

No

## Evidence counts

**Recorded assays**

47

**Active assays**

8

### Active assay types

- Confirmatory

## Biological measurements

These details could not be displayed.

## Related records

### Trials (28)

- A Clinical Study That Will Assess How Food Moves Through the Stomach and Effects Blood Glucose Levels in Subjects With Schizophrenia Taking SEP-363856 or and Prior Antipsychotic (PA) Standard
- A Clinical Study That Will Assess the Effect of SEP-363856 and Prior Antipsychotic (PA) Standard of Care on Glucose and Regulation of Insulin in Patients With Schizophrenia
- A Clinical Study That Will Assess the Effect of SEP-363856 or Prior Antipsychotic (PA) Standard of Care on Body-weight Associated Parameters in Subjects With Schizophrenia
- A Clinical Study That Will Evaluate How Well SEP-363856 Works and How Safe it is in People With Schizophrenia That Switch to SEP-363856 From Their Current Antipsychotic Medication
- A Clinical Study That Will Measure How Well SEP-363856 Works and How Safe it is in Adults With Generalized Anxiety Disorder
- A Clinical Study to Evaluate the Long-term Safety and Tolerability of an Investigational Drug in People With Schizophrenia
- A Clinical Study to Investigate the Effect of an Investigational Drug as an Added Medication to an Antipsychotic, in Adults With Schizophrenia, as Measured Positron Emission Tomography (PET) Imaging
- A Clinical Study to Learn if SEP-363856 Has Physical Dependence in Adults With Schizophrenia
- A Clinical Trial Study to Determine the Effect of an Investigational Drug (SEP-363856) Has on the Way That the Drug Metformin Travels Through the Body in People With Schizophrenia.
- A Clinical Trial That Will Study the Efficacy and Safety of an Investigational Drug in Acutely Psychotic People With Schizophrenia
- A Clinical Trial to Evaluate the Efficacy and Safety of SEP-363856 in Acutely Psychotic People With Schizophrenia, Followed by an Open-label Extension Phase
- A Clinical Trial to Evaluate the Long-term Safety and Tolerability of SEP-363856 in Patients With Schizophrenia in Japan
- A Clinical Trial to Study the Efficacy and Safety of an Investigational Drug in Acutely Psychotic People With Schizophrenia
- A Long-term Administration Trial of SEP-363856 in Patients With Schizophrenia
- A Study Assessing the Safety, Tolerability, and Pharmacokinetics of SEP-363856 in Male and Female Subjects With Schizophrenia
- A Study to Evaluate the Efficacy and Safety of SEP-363856 in Acutely Psychotic Adults With Schizophrenia
- A Study to Evaluate the Efficacy, Safety and Tolerability of SEP-363856 in Subjects With Parkinson's Disease Psychosis
- A Trial of the Efficacy and Safety of a Fixed Dose of SEP-363856 in Adults With Generalized Anxiety Disorder
- A Trial of the Efficacy and Safety of Fixed Doses of SEP-363856 in Adults With Generalized Anxiety Disorder
- A Trial of the Efficacy and Safety of SEP-363856 in Acutely Psychotic Participants With Schizophrenia

### In development for (6)

- [Generalized anxiety disorder](https://trialight.com/data/condition/generalized-anxiety-disorder-06f2f230-65ba-5929-af6a-36d14f38281d.md) Phase 2
- [Major depressive disorder](https://trialight.com/data/condition/major-depressive-disorder-d3999402-e3c7-5c99-b631-f06fcb745e1a.md) Phase 2
- Narcolepsy Phase 1
- Narcolepsy-cataplexy syndrome Phase 1
- [Parkinson disease](https://trialight.com/data/condition/parkinson-disease-a117728d-ad75-551b-9b20-fffa9a2305ac.md) Phase 1
- [Schizophrenia](https://trialight.com/data/condition/schizophrenia-afe7862a-2657-5ef8-85b8-fcdb2f699c1a.md) Phase 3

### Targets (2)

- [HTR1A](https://trialight.com/data/target/htr1a-7426e071-cfb2-560a-ac07-7ad1008380ff.md) Serotonin 1a (5-HT1a) receptor agonist
- [TAAR1](https://trialight.com/data/target/taar1-d496946c-4d11-531f-95e0-fb866926c8db.md) Trace amine-associated receptor 1 agonist

---

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