> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/asset/fipaxalparant-54ba7730-fde2-46ea-850d-51fdd6913478
> Record changed: 2026-11-04

# Fipaxalparant

Highest phase reached

Phase 2

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3621969)

Drug type

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3621969)

## Development status

**Listing at source**

Listed

**Highest phase reached**

Phase 2

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3621969)

## Names and chemistry

**Drug type**

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3621969)

**Drug name**

Fipaxalparant

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3621969)

**Molecular weight**

445.52

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3621969)

**Structure (SMILES)**

COc1ccc(C(=O)NC2(C(=O)O)Cc3ccccc3C2)cc1OCCc1cccc(C)c1

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3621969)

### Other names (27)

- a 003423457
- A-003423457
- a003423457
- A003423457
- czn 001
- CZN-001
- czn001
- CZN001
- fipaxalparant
- Fipaxalparant
- fipaxalparant \[INN\]
- FIPAXALPARANT \[USAN\]
- Fipaxalparant \[WHO-DD\]
- fipaxalparant inn
- fipaxalparant usan
- fipaxalparant who dd
- hzn 825
- hzn 825 bid
- hzn 825 qd
- HZN-825
- HZN-825 BID
- HZN-825 QD
- sar 100842
- Sar-100842
- sar100842

And 2 more, listed on the interactive page.

## Identifiers

**CAS registry numbers**

- 1195941-38-8

**ChEMBL ID**

CHEMBL3621969

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3621969)

**InChIKey**

SOJDTNUCCXWTMG-UHFFFAOYSA-N

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL3621969)

**PubChem compound IDs**

- 44481866

**FDA ingredient codes (UNII)**

- Y76WZ464EY

## Regulatory information

### Other regulatory facts

**First in class**

No

**Orphan designation**

No

## Pharmacology

### Drug classification

**Pharmacology name**

SAR100842

**Type**

Synthetic organic

### Mechanisms of action

- **Action**  
Antagonist

**Action type**  
Antagonist

**Target**  
LPA1 receptor

**Gene symbol**  
LPAR1

**Protein identifier**  
Q92633

**Affinity units**  
pIC50

### Investigated indications (3)

- **Condition**  
Scleroderma, Diffuse

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0000404

**Subject identifier**  
D045743
- **Condition**  
Scleroderma, Systemic

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0000717

**Subject identifier**  
D012595
- **Condition**  
Idiopathic Pulmonary Fibrosis

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0000768

**Subject identifier**  
D054990

### Open Targets indications (5)

- **Condition identifier**  
EFO\_0000404

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_0000717

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_0000768

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_0006890

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0005100

**Highest recorded phase**  
2

### Trial references (4)

- NCT01651143  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01651143)
- NCT04781543  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04781543)
- NCT05626751  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05626751)
- NCT05032066  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05032066)

## Chemical properties

**Hydrogen bond acceptors**

4

**Hydrogen bond donors**

2

**Polar surface area**

84.86

**Calculated partition coefficient (ALogP)**

3.98

**Calculated partition coefficient (XLogP)**

4.9

**Prodrug**

No

**Chirality**

Achiral

**Inorganic**

No

**Rule-of-five violations**

0

**Rotatable bonds**

8

**Heavy atoms**

33

**Molecular formula**

C27H27NO5

**Monoisotopic mass**

445.18892296

**Natural product**

No

## Evidence counts

**Recorded assays**

4

**Active assays**

2

### Active assay types

- Confirmatory

## Related records

### Trials (4)

- A Multicenter Trial to Evaluate the Efficacy, Safety and Tolerability of HZN-825 in Subjects With Idiopathic Pulmonary Fibrosis
- [A Multicenter Trial to Evaluate the Efficacy, Safety, Tolerability and Pharmacokinetics of HZN-825 in Patients With Diffuse Cutaneous Systemic Sclerosis](https://trialight.com/data/trial/a-multicenter-trial-to-evaluate-the-efficacy-safety-1140ef0a-f792-4396-92eb-e445512ceaa2.md)
- An Open-label Extension Trial of HZNP-HZN-825-301 in Adult Participants With Diffuse Cutaneous Systemic Sclerosis (Diffuse Cutaneous SSc)
- Proof of Biological Activity of SAR100842 in Systemic Sclerosis

### In development for (3)

- [Diffuse scleroderma](https://trialight.com/data/condition/diffuse-scleroderma-1fb050b5-6049-5a37-bdc9-86f3ec6ce2c5.md) Phase 2
- [Idiopathic pulmonary fibrosis](https://trialight.com/data/condition/idiopathic-pulmonary-fibrosis-9d400b0a-ada5-55c8-96c1-87bddcdf6913.md) Phase 2
- [Systemic sclerosis](https://trialight.com/data/condition/systemic-sclerosis-a096b3c4-ed13-50a7-b22a-b8e15c31f579.md) Phase 2

### Targets (1)

- [LPAR1](https://trialight.com/data/target/lpar1-4312f2d6-d5cd-5aa4-9348-47b5a6e2f879.md)

---

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