> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/asset/selegiline-75105152-976c-4285-a021-0f60934ae019
> Record changed: 2026-10-13

# Selegiline

Highest phase reached

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL972)

Drug type

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL972)

First approval year

1989

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL972)

## Development status

**First approval year**

1989

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL972)

**Listing at source**

Listed

**Highest phase reached**

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL972)

## Names and chemistry

**Drug type**

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL972)

**Drug name**

Selegiline

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL972)

**Molecular weight**

187.29

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL972)

**Structure (SMILES)**

C#CCN(C)\[C@H\](C)Cc1ccccc1

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL972)

### Brand names (2)

- emsam
- Emsam

### Other names (26)

- (-)-(N)-METHYL-N-((1R)-1-METHYL-2-PHENYLETHYL)PROP-2-YN-1-AMINE
- benzeneethanamine n alpha methyl n 2 propynyl alpha r
- BENZENEETHANAMINE, N,.ALPHA.-METHYL-N-2-PROPYNYL-, (.ALPHA.R)-
- emsam
- EmSam
- EMSAM (Selegiline Transdermal System) 12mg
- EMSAM (Selegiline Transdermal System) 6mg
- l selegiline
- L-selegiline
- n methyl n 1r 1 methyl 2 phenylethyl prop 2 yn 1 amine
- selegilina
- Selegilina
- selegiline
- Selegiline
- selegiline \[INN\]
- SELEGILINE \[MI\]
- SELEGILINE \[ORANGE BOOK\]
- SELEGILINE \[USAN\]
- SELEGILINE \[VANDF\]
- Selegiline \[WHO-DD\]
- selegiline inn
- selegiline mi
- selegiline orange book
- selegiline usan
- selegiline vandf

And 1 more, listed on the interactive page.

## Identifiers

**ATC classification codes**

- N04BD01

Sources for recorded values

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL972)

**CAS registry numbers**

- 14611-51-9

**ChEMBL ID**

CHEMBL972

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL972)

**InChIKey**

MEZLKOACVSPNER-GFCCVEGCSA-N

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL972)

**PubChem compound IDs**

- 26757

**FDA ingredient codes (UNII)**

- 2K1V7GP655

### RxNorm IDs (RxCUI) (2)

- 9639
- 203137

## Regulatory information

### United States

**Applicant**

SOMERSET

**Approval date**

27 Feb 2006

**Application number**

NDA021336

### Other regulatory facts

**First in class**

No

**Orphan designation**

No

**Availability**

Prescription only

**Boxed warning**

Yes

## Pharmacology

### Drug classification

**Pharmacology name**

selegiline

**Type**

Synthetic organic

**Drug name stem**

\-giline

**Approval recorded by Guide to Pharmacology**

Yes

#### Administration routes

- Oral
- topical

### Mechanisms of action (3)

- **Action**  
Inhibition

**Action type**  
Inhibitor

**Target**  
Monoamine oxidase A

**Gene symbol**  
MAOA

**Protein identifier**  
P21397

**Median affinity**

4.17

**Affinity units**  
pKi
- **Action**  
Inhibition

**Action type**  
Inhibitor

**Target**  
Monoamine oxidase B

**Gene symbol**  
MAOB

**Protein identifier**  
P27338

**Affinity units**  
pKi

**Primary target**  
Yes
- **Mechanism**  
Monoamine oxidase B inhibitor

**Action type**  
Inhibitor

**Target**  
Amine oxidase \[flavin-containing\] B

**Protein identifier**  
P27338

### Open Targets mechanisms

- **Mechanism**  
Monoamine oxidase B inhibitor

**Action type**  
Inhibitor

**Target**  
Amine oxidase \[flavin-containing\] B

### DrugCentral mechanisms

- **Action type**  
Inhibitor

**Gene symbol**  
MAOB

**Protein identifier**  
P27338

**Organism**  
Homo sapiens

**Target development level**  
Clinical

### Investigated indications (9)

- **Condition**  
Prostatic Neoplasms

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0000673

**Subject identifier**  
D011471
- **Condition**  
Cocaine-Related Disorders

**Highest recorded phase**  
3

**Condition identifier**  
EFO:0002610

**Subject identifier**  
D019970
- **Condition**  
Tobacco Use Disorder

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0003768

**Subject identifier**  
D014029
- **Condition**  
Amphetamine-Related Disorders

**Highest recorded phase**  
1

**Condition identifier**  
EFO:0004701

**Subject identifier**  
D019969
- **Condition**  
Borderline Personality Disorder

**Highest recorded phase**  
3

**Condition identifier**  
HP:0012076

**Subject identifier**  
D001883
- **Condition**  
Depressive Disorder, Major

**Highest recorded phase**  
4

**Condition identifier**  
MONDO:0002009

**Subject identifier**  
D003865
- **Condition**  
Depressive Disorder

**Highest recorded phase**  
3

**Condition identifier**  
MONDO:0002050

**Subject identifier**  
D003866
- **Condition**  
Schizophrenia

**Highest recorded phase**

0.5

**Condition identifier**  
MONDO:0005090

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

**Highest recorded phase**  
4

**Condition identifier**  
MONDO:0005180

**Subject identifier**  
D010300

### Open Targets indications (20)

- **Condition identifier**  
EFO\_0002610

**Highest recorded phase**  
3
- **Condition identifier**  
EFO\_0003768

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_0004318

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_0004319

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_0004701

**Highest recorded phase**  
1
- **Condition identifier**  
EFO\_0010445

**Highest recorded phase**  
2
- **Condition identifier**  
HP\_0012076

**Highest recorded phase**  
3
- **Condition identifier**  
HP\_0100543

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0001627

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

**Highest recorded phase**  
4
- **Condition identifier**  
MONDO\_0002050

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0005082

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

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0005180
- **Condition identifier**  
MONDO\_0005180

**Highest recorded phase**  
4
- **Condition identifier**  
MONDO\_0005186

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0005689

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0008575

**Highest recorded phase**  
2

### Warnings

- **Warning**  
Black Box Warning

**Effect**  
psychiatric toxicity

### Open Targets warnings

- **Warning**  
Black Box Warning

**Effect**  
psychiatric toxicity

**Country**  
United States

### Reported adverse events (57)

- **Event**  
adrenal medulla hyperfunction

**Reports**  
1

**Reporting signal score**

8.22141
- **Event**  
application site burn

**Reports**  
4

**Reporting signal score**

12.2733
- **Event**  
application site discolouration

**Reports**  
4

**Reporting signal score**

13.4254
- **Event**  
application site discomfort

**Reports**  
3

**Reporting signal score**

9.81673
- **Event**  
application site erythema

**Reports**  
52

**Reporting signal score**

217.437
- **Event**  
application site irritation

**Reports**  
21

**Reporting signal score**

86.6545
- **Event**  
application site pain

**Reports**  
10

**Reporting signal score**

23.7865
- **Event**  
application site pruritus

**Reports**  
30

**Reporting signal score**

118.408
- **Event**  
application site rash

**Reports**  
56

**Reporting signal score**

272.901
- **Event**  
application site reaction

**Reports**  
20

**Reporting signal score**

89.9713
- **Event**  
application site scar

**Reports**  
3

**Reporting signal score**

12.2434
- **Event**  
application site swelling

**Reports**  
3

**Reporting signal score**

8.94903
- **Event**  
application site urticaria

**Reports**  
14

**Reporting signal score**

73.62
- **Event**  
application site vesicles

**Reports**  
6

**Reporting signal score**

19.0626
- **Event**  
balance disorder

**Reports**  
11

**Reporting signal score**

10.1838
- **Event**  
blood pressure increased

**Reports**  
13

**Reporting signal score**

8.14335
- **Event**  
burning mouth syndrome

**Reports**  
3

**Reporting signal score**

12.9486
- **Event**  
delusion

**Reports**  
9

**Reporting signal score**

17.5944
- **Event**  
depression

**Reports**  
29

**Reporting signal score**

25.6951
- **Event**  
dermatitis contact

**Reports**  
7

**Reporting signal score**

16.0874
- **Event**  
diarrhoea

**Reports**  
1

**Reporting signal score**

13.8895
- **Event**  
disease recurrence

**Reports**  
11

**Reporting signal score**

17.7252
- **Event**  
dopamine dysregulation syndrome

**Reports**  
15

**Reporting signal score**

82.7336
- **Event**  
dropped head syndrome

**Reports**  
2

**Reporting signal score**

8.21868
- **Event**  
drug interaction

**Reports**  
24

**Reporting signal score**

13.5521

And 32 more, listed on the interactive page.

### Trial references (18)

- NCT00000188  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00000188)
- NCT00000201  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00000201)
- NCT00000336  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00000336)
- NCT00000337  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00000337)
- NCT00032929  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00032929)
- NCT01495195  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01495195)
- NCT00033072  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00033072)
- NCT00129311  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00129311)
- NCT00439413  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00439413)
- NCT01330030  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01330030)
- NCT00285766  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00285766)
- NCT00443872  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00443872)
- NCT00640159  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00640159)
- NCT04870372  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04870372)
- NCT00456976  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00456976)
- NCT00531947  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00531947)
- NCT01912391  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01912391)
- NCT04586543  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04586543)

## Dosing

**Dose**

10mg

**How often**

Twice daily

## Chemical properties

**Hydrogen bond acceptors**

1

**Hydrogen bond donors**

0

**Polar surface area**

3.24

**Calculated partition coefficient (ALogP)**

2.18

**Calculated partition coefficient (XLogP)**

2.8

**Prodrug**

No

**Chirality**

Single enantiomer

**Inorganic**

No

**Rule-of-five violations**

0

**Rotatable bonds**

4

**Heavy atoms**

14

**Molecular formula**

C13H17N

**Monoisotopic mass**

187.136099547

**Natural product**

Yes

## National Drug Codes

- 49502-900
- 49502-901
- 49502-902

## Evidence counts

**Recorded assays**

1,489

**Active assays**

228

### Active assay types (2)

- Confirmatory
- Other

## Pharmacologic actions

- Antidepressive Agents  
Source: [id.nlm.nih.gov](https://id.nlm.nih.gov/mesh/D000928.html)
- Antiparkinson Agents  
Source: [id.nlm.nih.gov](https://id.nlm.nih.gov/mesh/D000978.html)
- Monoamine Oxidase Inhibitors  
Source: [id.nlm.nih.gov](https://id.nlm.nih.gov/mesh/D008996.html)
- Neuroprotective Agents  
Source: [id.nlm.nih.gov](https://id.nlm.nih.gov/mesh/D018696.html)

## Biological measurements

### Observed measurements

#### Distribution coefficient (LogD)

**Median**

3.15

**Mean**

2.655

**Minimum**

0.62

**Maximum**

3.7

**Unit**

unitless

**Assays**

4

**Standard deviation**

1.42925

**Summary method**

median

**Censored results excluded**

0

**Other units excluded**

0

**Unknown units excluded**

0

#### Measurement types

- LogD

#### Solubility

**Median**

575

**Mean**

575

**Minimum**

575

**Maximum**

575

**Unit**

ug/mL

**Assays**

1

**Standard deviation**

0

**Summary method**

median

**Censored results excluded**

0

**Other units excluded**

0

**Unknown units excluded**

0

#### Measurement types

- Solubility

## Related records

### Trials (24)

- A Pilot Study Assessing EmSam in Bipolar Depression
- A Study to Assess the Bioavailability and Adhesion of Selegiline TDS in Healthy Subjects
- [A Study to Assess the Skin Irritation and Sensitization of Selegiline TDS in Healthy Subjects](https://trialight.com/data/trial/a-study-to-assess-the-skin-irritation-and-sensitization-of-a96fc3e3-f026-44d3-a39d-f379fa86b60b.md)
- Assessment of Potential Interactions Between Methamphetamine and Selegiline - 1
- Clinical Research Study to Evaluate Selegiline in the Treatment of Borderline Personality Disorder
- Clinical Trial of Selegiline Plus Docetaxel for the Treatment of Metastatic, Castrate-resistant Prostate Adenocarcinoma
- Combined Donepezil and Selegiline Effects on Cocaine-Reinforced Behavior
- Determine the Bioavailability of Selegiline TDS 6mg/24 Hours vs EMSAM in Healthy Subjects
- Efficacy of Selegiline in Negative Symptoms of Schizophrenia
- Evaluation of Adhesion and Dermal Tolerability of EMSAM
- Infusion Laboratory: Protocol 1 - Selegeline - 2
- Pharmacological Modulation of Cocaine Effects - 1
- Phase IV:Safety and Efficacy of EMSAM in Adolescents With Major Depression
- PK Comparison of 6mg and 12mg EMSAM in Elderly vs. Non-Elderly
- Safety, Tolerability and Efficacy of the Transdermal System in Elderly Subjects With Major Depression
- Sagene 2014 - Parkinson's Disease and Erectile Dysfunction
- Selegiline for Smoking Cessation - 1
- Selegiline for the Treatment of Excessive Daytime Sleepiness in Parkinson's Disease
- Selegiline in Outpatient Treatment for Cocaine Dependence - 1
- Selegiline in Treatment of Cocaine Dependence - 2

### Approved for (2)

- [Major depressive disorder](https://trialight.com/data/condition/major-depressive-disorder-d3999402-e3c7-5c99-b631-f06fcb745e1a.md)
- [Parkinson disease](https://trialight.com/data/condition/parkinson-disease-a117728d-ad75-551b-9b20-fffa9a2305ac.md)

### In development for (7)

- Borderline personality disorder Phase 3
- Cocaine dependence Phase 3
- [Depressive disorder](https://trialight.com/data/condition/depressive-disorder-7618feda-3f90-5521-94e1-99f7100e8324.md) Phase 3
- [Methamphetamine dependence](https://trialight.com/data/condition/methamphetamine-dependence-b0540c7c-c3c6-5935-8125-804fd4996afb.md) Phase 1
- Nicotine dependence Phase 2
- [Prostate adenocarcinoma](https://trialight.com/data/condition/prostate-adenocarcinoma-84e3e3af-1ae1-5760-8157-8d9fc0cff608.md) Phase 2
- [Schizophrenia](https://trialight.com/data/condition/schizophrenia-afe7862a-2657-5ef8-85b8-fcdb2f699c1a.md) Early phase 1

### Targets (1)

- [MAOB](https://trialight.com/data/target/maob-ac8a92ad-9e33-53f0-b021-7f1e9d228461.md) Monoamine oxidase B inhibitor

---

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