> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/asset/retlirafusp-alfa-896e1516-969b-421a-8f63-2b8ae4836dff
> Record changed: 2026-10-29

# Retlirafusp alfa

Highest phase reached

Phase 3

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL5095383)

Drug type

Protein

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL5095383)

## Development status

**Listing at source**

Listed

**Highest phase reached**

Phase 3

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL5095383)

## Names and chemistry

**Drug type**

Protein

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL5095383)

**Drug name**

Retlirafusp alfa

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL5095383)

### Other names (19)

- drug retlirafusp alfa
- Drug: Retlirafusp alfa
- IMMUNOGLOBULIN G4 (52-GLYCINE, 57-PHENYLALANINE, 227-PROLINE, 233-ALANINE, 234-ALANINE, 446-ALANINE), ANTI-(HUMAN PROGRAMMED DEATH-LIGAND 1) (HUMAN-MUS MUSCULUS MONOCLONAL SHR-1316 .GAMMA.4-CHAIN) FUSION PROTEIN WITH PEPTIDE LINKER ((GGGGS)4G) FUSION PROTEIN WITH 20-136-TYPE II TRANSFORMING GROWTH FACTOR .BETA. RECEPTOR (HUMAN ISOFORM 1), DISULFIDE WITH (85-GLUTAMIC ACID) HUMAN-MUS MUSCULUS MONOCLONAL SHR-1316 .KAPPA.-CHAIN, DIMER
- immunoglobulin g4 52 glycine 57 phenylalanine 227 proline 233 alanine 234 alanine 446 alanine anti human programmed death ligand 1 human mus musculus monoclonal shr 1316 gamma 4 chain fusion protein with peptide linker ggggs 4g fusion protein with 20 136 type ii transforming growth factor beta receptor human isoform 1 disulfide with 85 glutamic acid human mus musculus monoclonal shr 1316 kappa chain dimer
- retlirafusp alfa
- Retlirafusp alfa
- Retlirafusp Alfa
- retlirafusp alfa \[INN\]
- Retlirafusp alfa \[WHO-DD\]
- Retlirafusp alfa Injection
- retlirafusp alfa inn
- retlirafusp alfa who dd
- shr 1701
- Shr 1701
- SHR-1701
- SHR-1701 injection
- SHR-1701 Injection
- shr1701
- SHR1701

## Identifiers

**CAS registry numbers**

- 2395839-91-3

**ChEMBL ID**

CHEMBL5095383

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL5095383)

**FDA ingredient codes (UNII)**

- JP6N6TA92L

## Regulatory information

### Other regulatory facts

**First in class**

No

**Orphan designation**

No

## Pharmacology

### Drug classification

**Pharmacology name**

retlirafusp alfa

**Type**

Antibody

**Drug name stem**

\-fusp

**Approval recorded by Guide to Pharmacology**

Yes

### Mechanisms of action (2)

- **Action**  
Binding

**Action type**  
Binding

**Target**  
programmed cell death 1 ligand 1

**Gene symbol**  
programmed cell death 1 ligand 1
- **Action**  
Binding

**Action type**  
Binding

**Target**  
TGFβ3

**Gene symbol**  
TGFβ3

### Investigated indications (10)

- **Condition**  
Carcinoma, Squamous Cell

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0000181

**Subject identifier**  
D002294
- **Condition**  
Hodgkin Disease

**Highest recorded phase**  
1

**Condition identifier**  
EFO:0000183

**Subject identifier**  
D006689
- **Condition**  
Lymphoma

**Highest recorded phase**  
1

**Condition identifier**  
EFO:0000574

**Subject identifier**  
D008223
- **Condition**  
Neoplasms

**Highest recorded phase**  
1

**Condition identifier**  
EFO:0000616

**Subject identifier**  
D009369
- **Condition**  
Melanoma

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0000756

**Subject identifier**  
D008545
- **Condition**  
Pancreatic Neoplasms

**Highest recorded phase**  
1

**Condition identifier**  
EFO:0002618

**Subject identifier**  
D010190
- **Condition**  
Carcinoma, Non-Small-Cell Lung

**Highest recorded phase**  
3

**Condition identifier**  
EFO:0003060

**Subject identifier**  
D002289
- **Condition**  
Breast Neoplasms

**Highest recorded phase**  
2

**Condition identifier**  
MONDO:0007254

**Subject identifier**  
D001943
- **Condition**  
Lung Neoplasms

**Highest recorded phase**  
2

**Condition identifier**  
MONDO:0008903

**Subject identifier**  
D008175
- **Condition**  
Nasopharyngeal Carcinoma

**Highest recorded phase**  
1

**Condition identifier**  
MONDO:0015459

**Subject identifier**  
D000077274

### Open Targets indications (32)

- **Condition identifier**  
EFO\_0000181

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_0000183
- **Condition identifier**  
EFO\_0000574
- **Condition identifier**  
EFO\_0000616
- **Condition identifier**  
EFO\_0002618
- **Condition identifier**  
EFO\_0003060

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0000544

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0001056

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0002974

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0003210

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0003219

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0004992

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0005008

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0005036

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0005070

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0005097

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0005105

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0005192

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0005233

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0005575

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0005580

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0006519

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0007254

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0007256
- **Condition identifier**  
MONDO\_0008170

**Highest recorded phase**  
2

And 7 more, listed on the interactive page.

### Trial references (19)

- NCT03710265  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT03710265)
- NCT03774979  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT03774979)
- NCT04324814  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04324814)
- NCT04679038  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04679038)
- NCT04282070  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04282070)
- NCT05020925  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05020925)
- NCT04355858  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04355858)
- NCT04407741  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04407741)
- NCT04560244  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04560244)
- NCT04580498  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04580498)
- NCT04699968  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04699968)
- NCT04937972  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04937972)
- NCT05132413  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05132413)
- NCT05177497  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05177497)
- NCT04624217  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04624217)
- NCT04650633  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04650633)
- NCT04884009  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04884009)
- NCT05106023  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05106023)
- NCT05896046  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05896046)

## Chemical properties

**Prodrug**

No

**Chirality**

Single enantiomer

**Inorganic**

No

**Natural product**

No

## Related records

### Trials (64)

- A Clinical Study of SHR-1701 Combined With Chemotherapy for the Perioperative Treatment of Locally Advanced Resectable Siewert Type II Adenocarcinoma of the Esophagogastric Junction
- A Clinical Studyf of SHR-1701 or Placebo in Combination With BP102 and XELOX in the First-line Treatment of mCRC
- A Phase I Study of HRS2300 or Combined With SHR-1316 or SHR-1701 or Trametinib or Almonertinib in Patients With Advanced Malignancies
- A Randomized, Open-label, Double-cohort Study of Fluzoparib Combined With Famitinib Malate or SHR-1701 for Neoadjuvant Therapy in Patients With Advanced Ovarian Cancer
- A Study of SHR-1701 Plus Bevacizumab and Chemotherapy in Non-Small-Cell-Lung-Cancer
- A Study of SHR-1701 Plus Platinum-containing Chemotherapy With or Without BP102 (Bevacizumab) as First-line Treatment in Cervical Cancer
- A Trial of SHR-1701 in Combination With and Without Famitinib Malate in Patients With Extensive Stage Small Cell Lung Cancer
- A Trial of SHR-1701 in Combination With Famitinib in Patients With Advanced Solid Tumors
- A Trial of SHR-1701 in Combination With Gemcitabine and Albumin Paclitaxel in Patients With Pancreatic Cancer
- A Trial of SHR-1701 in Subjects With Advanced Solid Tumors
- A Trial of SHR-1701 With or Without Chemotherapy in Patients With Stage III NSCLC
- A Trial of SHR-1701 With or Without Famitinib in Patients With Advanced or Metastatic NSCLC
- [A Trial of SHR-2002 Injection or Combined With Other Anti-cancer Medication in Advanced Malignant Tumors of Patients](https://trialight.com/data/trial/a-trial-of-shr-2002-injection-or-combined-with-other-anti-9b204cad-ba32-4d65-ab31-9b8c11a07c73.md)
- A Trial of SHR1701 Combined With Radiotherapy for Metastatic Non-small Cell Lung Cancer Failure After First-line Treatment
- A Trial of SHR1701 Plus Chemotherapy in Patients With Gastric or Gastroesophageal Cancer
- Adebrelimab or Retlirafusp Alfa Plus Recaticimab and Chemotherapy for Resectable NSCLC
- An Exploratory Clinical Study of Accurate Efficacy Assessment of Neoadjuvant Immunotherapy in Locally Advanced Esophageal Squamous Cell Carcinoma Based on 68Ga-FAPI (\[68Ga\] Fibroblast Activation Protein Inhibitor)/¹⁸F-FDG (2-Deoxy-2-\[¹⁸F\]Fluoro-D-glucose) Dual Imaging
- An Umbrella-designed Prospective Multicenter Randomized Open-label Superiority Trial Evaluating Multi-biomarker-guided Precision Therapy for First-line Treatment of Advanced Esophageal Squamous Cell Carcinoma
- Chemoradiotherapy and SHR-1701 in Patients With Unresectable Gastric Cancer
- Clinical Study of SHR-1701 Plus Chemotherapy as Perioperative Treatment in Subjects With Gastric Cancer

### In development for (10)

- [Breast cancer](https://trialight.com/data/condition/breast-cancer-8ac10da3-93bd-54c5-a93b-265bc6699689.md) Phase 2
- Exocrine pancreatic carcinoma Phase 1
- [Head and neck squamous cell carcinoma](https://trialight.com/data/condition/head-and-neck-squamous-cell-carcinoma-cbc3ae58-4a6c-52e4-a41b-274051db19fa.md) Phase 2
- Hodgkins lymphoma Phase 1
- [Lung cancer](https://trialight.com/data/condition/lung-cancer-c4ca1fe0-9b3d-5957-a668-2d6cf26bd16a.md) Phase 2
- [Lymphoma](https://trialight.com/data/condition/lymphoma-de4db685-7419-5e0e-b958-4591ffd69d43.md) Phase 1
- [Melanoma](https://trialight.com/data/condition/melanoma-457e9de6-dcd9-56fb-be48-0290fb4386ef.md) Phase 2
- [Nasopharyngeal carcinoma](https://trialight.com/data/condition/nasopharyngeal-carcinoma-9ead4a97-f794-5dda-b62e-20f8ca202f89.md) Phase 1
- Neoplasm Phase 1
- [Non-small cell lung carcinoma](https://trialight.com/data/condition/non-small-cell-lung-carcinoma-a86c1d60-523f-5ea7-a5e1-39ed4a2296f8.md) Phase 3

---

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