> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/asset/olpasiran-d8fbc30c-c4b4-48a4-88d9-298c3f3918bb
> Record changed: 2026-10-13

# Olpasiran

Highest phase reached

Phase 3

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4650413)

Drug type

Oligonucleotide

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4650413)

## Development status

**Listing at source**

Listed

**Highest phase reached**

Phase 3

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4650413)

## Names and chemistry

**Drug type**

Oligonucleotide

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4650413)

**Drug name**

Olpasiran

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4650413)

### Other names (16)

- all p ambo 5 o 25s 30s 39 2 acetamido 2 deoxy beta d galactopyranosyl oxy 25 30 bis 2 2 2 acetamido 2 deoxy beta d galactopyranosyl oxy ethoxy ethyl carbamoyl 1 23 28 33 tetraoxo 1 sulfanyl 2 5 8 11 14 17 20 37 octaoxa 24 29 34 triaza 1 lambda 5 phosphanonatriacontan 1 yl 2 o methyl p thiocytidylyl 3 5 2 o methyladenylyl 3 5 2 o methylguanylyl 3 5 2 o methylcytidylyl 3 5 2 o methylcytidylyl 3 5 2 o methylcytidylyl 3 5 2 o methylcytidylyl 3 5 2 o methyluridylyl 3 5 2 deoxy 2 fluorouridylyl 3 5 2 deoxy 2 fluoroadenylyl 3 5 2 deoxy 2 fluorouridylyl 3 5 2 o methyluridylyl 3 5 2 o methylguanylyl 3 5 2 o methyluridylyl 3 5 2 o methyluridylyl 3 5 2 o methyladenylyl 3 5 2 o methyluridylyl 3 5 2 o methyladenylyl 3 5 2 o methylcytidylyl 3 5 2 o methyl p thioguanylyl 3 3 2 deoxyadenosine duplex with all p ambo 2 o methyl p thioguanylyl 5 3 2 deoxy 2 fluoro p thiouridylyl 5 3 2 o methylcytidyly 5 3 2 deoxy 2 fluoroguanylyl 5 3 2 o methylguanylyl 5 3 2 deoxy 2 fluoroguanylyl 5 3 2 o methylguanylyl 5 3 2 deoxy 2 fluoroadenylyl 5 3 2 o methyladenylyl 5 3 2 deoxy 2 fluorouridylyl 5 3 2 o methyladenylyl 5 3 2 o methyladenylyl 5 3 2 o methylcytidylyl 5 3 2 o methyladenylyl 5 3 2 o methyladenylyl 5 3 2 deoxy 2 fluorouridylyl 5 3 2 o methyladenylyl 5 3 2 deoxy 2 fluorouridylyl 5 3 2 o methyl p thioguanylyl 5 3 2 deoxy 2 fluoro p thiocytidylyl 5 3 2 o methyluridine
- ALL-P-AMBO-5'-O-((25S,30S)-39-((2-ACETAMIDO-2-DEOXY-.BETA.-D-GALACTOPYRANOSYL)OXY)-25,30-BIS((2-(2-((2-ACETAMIDO-2-DEOXY-.BETA.-D-GALACTOPYRANOSYL)OXY)ETHOXY)ETHYL)CARBAMOYL)-1,23,28,33-TETRAOXO-1-SULFANYL-2,5,8,11,14,17,20,37-OCTAOXA-24,29,34-TRIAZA-1.LAMBDA.5-PHOSPHANONATRIACONTAN-1-YL)-2'-O-METHYL-P-THIOCYTIDYLYL-(3'->5')-2'-O-METHYLADENYLYL-(3'->5')-2'-O-METHYLGUANYLYL-(3'->5')-2'-O-METHYLCYTIDYLYL-(3'->5')-2'-O-METHYLCYTIDYLYL-(3'->5')-2'-O-METHYLCYTIDYLYL-(3'->5')-2'-O-METHYLCYTIDYLYL-(3'->5')-2'-O-METHYLURIDYLYL-(3'->5')-2'-DEOXY-2'-FLUOROURIDYLYL-(3'->5')-2'-DEOXY-2'-FLUOROADENYLYL-(3'->5')-2'-DEOXY-2'-FLUOROURIDYLYL-(3'->5')-2'-O-METHYLURIDYLYL-(3'->5')-2'-O-METHYLGUANYLYL-(3'->5')-2'-O-METHYLURIDYLYL-(3'->5')-2'-O-METHYLURIDYLYL-(3'->5')-2'-O-METHYLADENYLYL-(3'->5')-2'-O-METHYLURIDYLYL-(3'->5')-2'-O-METHYLADENYLYL-(3'->5')-2'-O-METHYLCYTIDYLYL-(3'->5')-2'-O-METHYL-P-THIOGUANYLYL-(3'->3')-2'-DEOXYADENOSINE DUPLEX WITH ALL-P-AMBO-2'-O-METHYL-P-THIOGUANYLYL-(5'->3')-2'-DEOXY-2'-FLUORO-P-THIOURIDYLYL-(5'->3')-2'-O-METHYLCYTIDYLY-(5'->3')-2'-DEOXY-2'-FLUOROGUANYLYL-(5'->3')-2'-O-METHYLGUANYLYL-(5'->3')-2'-DEOXY-2'-FLUOROGUANYLYL-(5'->3')-2'-O-METHYLGUANYLYL-(5'->3')-2'-DEOXY-2'-FLUOROADENYLYL-(5'->3')-2'-O-METHYLADENYLYL-(5'->3')-2'-DEOXY-2'-FLUOROURIDYLYL-(5'->3')-2'-O-METHYLADENYLYL-(5'->3')-2'-O-METHYLADENYLYL-(5'->3')-2'-O-METHYLCYTIDYLYL-(5'->3')-2'-O-METHYLADENYLYL-(5'->3')-2'-O-METHYLADENYLYL-(5'->3')-2'-DEOXY-2'-FLUOROURIDYLYL-(5'->3')-2'-O-METHYLADENYLYL-(5'->3')-2'-DEOXY-2'-FLUOROURIDYLYL-(5'->3')-2'-O-METHYL-P-THIOGUANYLYL-(5'->3')-2'-DEOXY-2'-FLUORO-P-THIOCYTIDYLYL-(5'->3')-2'-O-METHYLURIDINE
- amg 890
- Amg 890
- AMG 890
- AMG-890
- olpasiran
- Olpasiran
- olpasiran \[INN\]
- OLPASIRAN \[USAN\]
- Olpasiran \[WHO-DD\]
- olpasiran inn
- olpasiran usan
- olpasiran who dd
- rna cm sp am gm cm cm cm cm um 2 deoxy 2 fluoro u 2 deoxy 2 fluoro a 2 deoxy 2 fluoro u um gm um um am um am cm gm 3 3 sp da 5 o 23s 28s 37 2 acetylamino 2 deoxy beta d galactopyranosyl oxy 23 28 bis 2 2 2 acetylamino 2 deoxy beta d galactopyranosyl oxy ethoxy ethyl amino carbonyl 21 26 31 trioxo 3 6 9 12 15 18 35 heptaoxa 22 27 32 triazaheptatriacont 1 yl hydrogen phosphorothioate complex with rna um sp 2 deoxy 2 fluoro c sp gm 2 deoxy 2 fluoro u am 2 deoxy 2 fluoro u am am cm am am 2 deoxy 2 fluoro u am 2 deoxy 2 fluoro a gm 2 deoxy 2 fluoro g gm 2 deoxy 2 fluoro g cm sp 2 deoxy 2 fluoro u sp gm
- RNA, (CM-SP-AM-GM-CM-CM-CM-CM-UM-(2'-DEOXY-2'-FLUORO)U-(2'-DEOXY-2'-FLUORO)A-(2'-DEOXY-2'-FLUORO)U-UM-GM-UM-UM-AM-UM-AM-CM-GM-(3'->3')-SP-DA), 5'-(O-((23S,28S)-37-((2-(ACETYLAMINO)-2-DEOXY-.BETA.-D-GALACTOPYRANOSYL)OXY)-23,28-BIS(((2-(2-((2-(ACETYLAMINO)-2-DEOXY-.BETA.-D-GALACTOPYRANOSYL)OXY)ETHOXY)ETHYL)AMINO)CARBONYL)-21,26,31-TRIOXO-3,6,9,12,15,18,35-HEPTAOXA-22,27,32-TRIAZAHEPTATRIACONT-1-YL) HYDROGEN PHOSPHOROTHIOATE), COMPLEX WITH RNA (UM-SP-(2'-DEOXY-2'-FLUORO)C-SP-GM-(2'-DEOXY-2'-FLUORO)U-AM-(2'-DEOXY-2'-FLUORO)U-AM-AM-CM-AM-AM-(2'-DEOXY-2'-FLUORO)U-AM-(2'-DEOXY-2'-FLUORO)A-GM-(2'-DEOXY-2'-FLUORO)G-GM-(2'-DEOXY-2'-FLUORO)G-CM-SP-(2'-DEOXY-2'-FLUORO)U-SP-GM)

## Identifiers

**CAS registry numbers**

- 2225856-03-9

**ChEMBL ID**

CHEMBL4650413

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4650413)

**FDA ingredient codes (UNII)**

- 8M4GC1EOB4

## Regulatory information

### Other regulatory facts

**First in class**

No

**Orphan designation**

No

## Pharmacology

### Drug classification

**Pharmacology name**

olpasiran

**Type**

Nucleic acid

### Mechanisms of action

- **Mechanism**  
LPA mRNA rnai inhibitor

**Action type**  
RNAI\_INHIBITOR

**Target**  
LPA mRNA

**Protein identifier**  
ENSG00000198670

### Open Targets mechanisms

- **Mechanism**  
LPA mRNA rnai inhibitor

**Action type**  
RNAI INHIBITOR

**Target**  
LPA mRNA

### Investigated indications (4)

- **Condition**  
Cardiovascular Diseases

**Highest recorded phase**  
3

**Condition identifier**  
EFO:0000319

**Subject identifier**  
D002318
- **Condition**  
Liver Diseases

**Highest recorded phase**  
1

**Condition identifier**  
EFO:0001421

**Subject identifier**  
D008107
- **Condition**  
Kidney Diseases

**Highest recorded phase**  
1

**Condition identifier**  
EFO:0003086

**Subject identifier**  
D007674
- **Condition**  
Atherosclerosis

**Highest recorded phase**  
1

**Condition identifier**  
EFO:0003914

**Subject identifier**  
D050197

### Open Targets indications (5)

- **Condition identifier**  
EFO\_0000319

**Highest recorded phase**  
3
- **Condition identifier**  
EFO\_0001421

**Highest recorded phase**  
1
- **Condition identifier**  
EFO\_0003086

**Highest recorded phase**  
1
- **Condition identifier**  
EFO\_0003914
- **Condition identifier**  
MONDO\_0005311

### Trial references (5)

- NCT03626662  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT03626662)
- NCT04270760  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04270760)
- NCT05581303  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05581303)
- NCT05481411  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05481411)
- NCT05489614  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05489614)

## Chemical properties

**Prodrug**

No

**Chirality**

Single enantiomer

**Inorganic**

No

**Natural product**

No

### Sequences

- **Component**  
Sequence

**Type**  
Nucleic Acid

**Sequence**  
R1=C-A-G-C-C-C-C-U-U-A-U-U-G-U-U-A-U-A-C-G=Ad G=U=C-G-G-G-G-A-A-U-A-A-C-A-A-U-A-U-G=C=U

## Related records

### Trials (10)

- A Study to Assess the Effect of Olpasiran on QT/QTc Intervals in Healthy Participants
- A Study to Evaluate the Pharmacokinetics, Pharmacodynamics, Safety and Tolerability of Olpasiran in Chinese Participants With Elevated Serum Lipoprotein(a)
- A Study to Evaluate the Pharmacokinetics, Safety, and Pharmacodynamics of Olpasiran in Participants With Normal Renal Function and Participants With Various Degrees of Renal Impairment
- A Study to Evaluate the Pharmacokinetics, Safety, and Pharmacodynamics of Olpasiran in Participants With Various Degrees of Hepatic Impairment
- [OCEAN(a)-PreEvent - Olpasiran Trials of Cardiovascular Events And LipoproteiN(a) Reduction to Prevent First Major Cardiovascular Events](https://trialight.com/data/trial/ocean-a-preevent-olpasiran-trials-of-cardiovascular-events-93287d62-8a71-40cf-b1b3-9897448a6941.md)
- Olpasiran Expanded Access Program
- Olpasiran Trials of Cardiovascular Events and Lipoprotein(a) Reduction - Coronary Computed Tomography Angiography Trial
- Olpasiran Trials of Cardiovascular Events And LipoproteiN(a) Reduction - DOSE Finding Study
- [Olpasiran Trials of Cardiovascular Events and Lipoprotein(a) Reduction (OCEAN(a)) - Outcomes Trial](https://trialight.com/data/trial/olpasiran-trials-of-cardiovascular-events-and-lipoprotein-a-e9c51860-328a-404d-8ec8-72b133e46905.md)
- Safety, Tolerability, Pharmacokinetics and Pharmacodynamics Study of AMG 890 in Subjects With Elevated Plasma Lipoprotein(a)

### In development for (4)

- [Atherosclerosis](https://trialight.com/data/condition/atherosclerosis-5dab64e9-1fd4-5dd2-90c2-ce84935652d1.md) Phase 1
- [Cardiovascular disorder](https://trialight.com/data/condition/cardiovascular-disorder-362e433e-88a4-575f-90af-50fe7239dec0.md) Phase 3
- [Kidney disorder](https://trialight.com/data/condition/kidney-disorder-e50371fe-f1a7-53fe-9cfb-9d6da9130e3c.md) Phase 1
- [Liver disorder](https://trialight.com/data/condition/liver-disorder-8388d30a-2581-5015-9ddf-adc5f6a331d7.md) Phase 1

### Targets (1)

- [LPA](https://trialight.com/data/target/lpa-7605327a-3607-533b-955f-c9eff32d6732.md) LPA mRNA rnai inhibitor

---

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