> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/asset/pegozafermin-0c0a8418-4357-41d5-9265-d58377f558b8
> Record changed: 2026-10-13

# Pegozafermin

Highest phase reached

Phase 3

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4594466)

Drug type

Protein

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4594466)

## Development status

**Listing at source**

Listed

**Highest phase reached**

Phase 3

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4594466)

## Names and chemistry

**Drug type**

Protein

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4594466)

**Drug name**

Pegozafermin

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4594466)

### Other names (21)

- bio89 100
- bio89 100 long acting glycopegylated fibroblast growth factor 21 fgf21 analogue
- Bio89-100
- BIO89-100
- BIO89-100 (LONG-ACTING GLYCOPEGYLATED FIBROBLAST GROWTH FACTOR 21 (FGF21) ANALOGUE)
- bio89100
- BIO89100
- FIBROBLAST GROWTH FACTOR 21 (METHIONYL,173-(O-(2-(ACETYLAMINO)-6-O-(N-(2-(CARBOXYAMINO)ACETYL)-.ALPHA.-NEURAMINOSYL)-2-DEOXY-.ALPHA.-D-GALACTOPYRANOSYL)THREONINE),176-ARGININE) (HUMAN CONSTRUCT BIO89-100), 173N-ESTER WITH .ALPHA.-HYDRO-.OMEGA.-METHOXYPOLY(OXY-1,2-ETHANEDIYL)
- fibroblast growth factor 21 methionyl 173 o 2 acetylamino 6 o n 2 carboxyamino acetyl alpha neuraminosyl 2 deoxy alpha d galactopyranosyl threonine 176 arginine human construct bio89 100 173n ester with alpha hydro omega methoxypoly oxy 1 2 ethanediyl
- pegozafermin
- Pegozafermin
- pegozafermin \[INN\]
- PEGOZAFERMIN \[USAN\]
- pegozafermin inn
- pegozafermin usan
- pegozafermina
- Pegozafermina
- pegozafermine
- Pegozafermine
- tev 47948
- TEV-47948

## Identifiers

**CAS registry numbers**

- 2489589-60-6

**ChEMBL ID**

CHEMBL4594466

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4594466)

**FDA ingredient codes (UNII)**

- UO870O6MFS

## Regulatory information

### Other regulatory facts

**Patents**

0

**Designations**

2

**First in class**

No

**Fast track**

No

**Breakthrough designation**

Yes

**Orphan designation**

No

**Priority review**

No

**Orphan exclusivity**

No

**Accelerated approval**

No

## Pharmacology

### Drug classification

**Pharmacology name**

pegozafermin

**Type**

Peptide

**Drug name stem**

\-ermin; peg-

### Mechanisms of action

- **Action**  
Agonist

**Action type**  
Agonist

**Target**  
fibroblast growth factor receptor 1

**Gene symbol**  
FGFR1

**Protein identifier**  
P11362

**Median affinity**

9.22

**Affinity units**  
pEC50

### Investigated indications (3)

- **Condition**  
Non-alcoholic Fatty Liver Disease

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0003095

**Subject identifier**  
D065626
- **Condition**  
Hypertriglyceridemia

**Highest recorded phase**  
3

**Condition identifier**  
EFO:0004211

**Subject identifier**  
D015228
- **Condition**  
Non-alcoholic Fatty Liver Disease

**Highest recorded phase**  
2

**Condition identifier**  
EFO:1001249

**Subject identifier**  
D065626

### Open Targets indications (8)

- **Condition identifier**  
EFO\_0003095

**Highest recorded phase**  
3
- **Condition identifier**  
EFO\_0004211

**Highest recorded phase**  
3
- **Condition identifier**  
EFO\_0006890

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_1001249

**Highest recorded phase**  
3
- **Condition identifier**  
HP\_0001395

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0005347

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0007027

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0013209

**Highest recorded phase**  
1

### Trial references (5)

- NCT04048135  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04048135)
- NCT04929483  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04929483)
- NCT05022693  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05022693)
- NCT04541186  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04541186)
- NCT05852431  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05852431)

## Chemical properties

**Prodrug**

No

**Chirality**

Single enantiomer

**Inorganic**

No

**Natural product**

No

### Sequences (2)

- **Component**  
Sequence

**Type**  
Protein

**Sequence**  
MHPIPDSSPLLQFGGQVRQRYLYTDDAQQTEAHLEIREDGTVGGAADQSPESLLQLKALKPGVIQILGVKTSRFLCQRPDGALYGSLHFDPEACSFRELLLEDGYNVYQSEAHGLPLHLPGNKSPHRDPAPRGPARFLPLPGLPPALPEPPGILAPQPPDVGSSDPLSMVGPTQGASPSYAS
- **Component**  
Disulfide bridges

**Sequence**  
76-94

## Related records

### Trials (7)

- A Multiple Ascending Dose Study of Pegozafermin in Participants With Biopsy Confirmed Nonalcoholic Steatohepatitis (NASH) or Nonalcoholic Fatty Liver Disease (NAFLD) and at High Risk of NASH
- [A Study Evaluating the Efficacy and Safety of Pegozafermin in Participants With MASH and Fibrosis (ENLIGHTEN-Fibrosis)](https://trialight.com/data/trial/a-study-evaluating-the-efficacy-and-safety-of-pegozafermin-3fb7252c-a8d9-4f3c-9a91-c646394418c3.md)
- A Study to Evaluate the Efficacy and Safety of Pegozafermin in Participants With Compensated Cirrhosis Due to MASH
- PK Study of Liquid Formulation of BIO89-100 in Subjects With NASH With Compensation Cirrhosis
- Study Evaluating the Safety, Efficacy and Tolerability of BIO89-100 in Subjects With Biopsy-confirmed Nonalcoholic Steatohepatitis (NASH)
- Study to Explore the Efficacy and Safety of BIO89-100 (Pegozafermin) in Participants With Severe Hypertriglyceridemia
- To Evaluate the Efficacy and Safety of Pegozafermin in Subjects With Severe Hypertriglyceridemia

### In development for (3)

- [Hypertriglyceridemia](https://trialight.com/data/condition/hypertriglyceridemia-538285c3-ad71-513e-bd58-6cc97634acb2.md) Phase 3
- [Metabolic dysfunction-associated steatohepatitis](https://trialight.com/data/condition/metabolic-dysfunction-associated-steatohepatitis-05fad825-0fff-55c9-8746-0cb406b65c65.md) Phase 2
- [Metabolic dysfunction-associated steatotic liver disease](https://trialight.com/data/condition/metabolic-dysfunction-associated-steatotic-liver-disease-beb92cb4-74bc-5e17-96f1-97aeed54ab35.md) Phase 2

---

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