> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/asset/belrestotug-8b42a452-65fb-46e5-9c7c-f2106bd60d56
> Record changed: 2026-10-29

# Belrestotug

Highest phase reached

Phase 3

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4802205)

Drug type

Antibody

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4802205)

## Development status

**Listing at source**

Listed

**Highest phase reached**

Phase 3

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4802205)

## Names and chemistry

**Drug type**

Antibody

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4802205)

**Drug name**

Belrestotug

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4802205)

### Other names (33)

- belrestotug
- Belrestotug
- belrestotug \[INN\]
- BELRESTOTUG \[USAN\]
- Belrestotug \[WHO-DD\]
- belrestotug inn
- belrestotug usan
- belrestotug who dd
- Belrestotug.
- clone 31282
- Clone 31282
- eos 448
- eos 884448
- EOS-448
- Eos-884448
- EOS-884448
- eos884448
- Eos884448
- EOS884448
- gsk 4428859a
- GSK-4428859A
- gsk4428859a
- GSK4428859A
- immunoglobulin g1 anti human receptor tigit human monoclonal eos884448 gamma 1 chain disulfide with human monoclonal eos884448 kappa chain dimer
- IMMUNOGLOBULIN G1, ANTI-(HUMAN RECEPTOR TIGIT) (HUMAN MONOCLONAL EOS884448 .GAMMA.1-CHAIN), DISULFIDE WITH HUMAN MONOCLONAL EOS884448 .KAPPA.-CHAIN, DIMER

And 8 more, listed on the interactive page.

## Identifiers

**CAS registry numbers**

- 2574438-65-4

**ChEMBL ID**

CHEMBL4802205

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4802205)

**FDA ingredient codes (UNII)**

- 59HAW3EQ4C

## Regulatory information

### Other regulatory facts

**First in class**

No

**Orphan designation**

No

## Pharmacology

### Investigated indications (5)

- **Condition**  
Neoplasms

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0000616

**Subject identifier**  
D009369
- **Condition**  
Multiple Myeloma

**Highest recorded phase**  
1

**Condition identifier**  
EFO:0001378

**Subject identifier**  
D009101
- **Condition**  
Carcinoma, Non-Small-Cell Lung

**Highest recorded phase**  
3

**Condition identifier**  
EFO:0003060

**Subject identifier**  
D002289
- **Condition**  
Head and Neck Neoplasms

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0005950

**Subject identifier**  
D006258
- **Condition**  
Neoplasms

**Highest recorded phase**  
2

**Condition identifier**  
MONDO:0004992

**Subject identifier**  
D009369

### Open Targets indications (6)

- **Condition identifier**  
EFO\_0000616

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

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0005070
- **Condition identifier**  
MONDO\_0005233

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0009693

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0010150

**Highest recorded phase**  
2

### Trial references (8)

- NCT03739710  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT03739710)
- NCT04446351  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04446351)
- NCT05277051  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05277051)
- NCT04335253  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04335253)
- NCT05289492  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05289492)
- NCT05565378  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05565378)
- NCT06472076  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06472076)
- NCT06062420  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06062420)

## Chemical properties

**Prodrug**

No

**Chirality**

Single enantiomer

**Inorganic**

No

**Natural product**

No

### Sequences (5)

- **Component**  
Heavy chain

**Type**  
Protein

**Sequence**  
QVQLVQSGAEVKKPGASVKVSCKASGYTFTSYYMHWVRQAPGQGLEWMGVIGPSGASTSYAQKFQGRVTLTRDTSTSTVYMELSSLRSEDTAVYYCARDHSDYWSGIMEVWGQGTTVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTCPPCPAPELLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK
- **Component**  
Light chain

**Type**  
Protein

**Sequence**  
EIVLTQSPGTLSLSPGERATLSCRASQSVRSSYLAWYQQKPGQAPRLLIYGASSRATGIPDRFSGSGSGTDFTLTISRLEPEDFAVYYCQQYFSPPWTFGGGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC
- **Component**  
Disulfide bridges

**Sequence**  
22-96 $ 22''-96'' $ 23'-89' $ 23'''-89''' $ 135'-195' $ 135'''-195''' $ 148-204 $ 148''-204'' $ 215'-224 $ 215'''-224'' $ 230-230'' $ 233-233'' $ 265-325 $ 265''-325'' $ 371-429 $ 371''-429''
- **Component**  
Glycosylation sites (N)

**Sequence**  
301 $ 301''''
- **Component**  
Glycosylation sites (N)

**Sequence**  
301 $ 301''

## Related records

### Trials (10)

- [A Platform Study of Novel Immunotherapy Combinations as First-Line Treatment in Participants With PD-L1 Positive Recurrent/Metastatic Squamous Cell Carcinoma of the Head and Neck- GALAXIES H&N-202](https://trialight.com/data/trial/a-platform-study-of-novel-immunotherapy-combinations-as-f887453f-7656-4251-ba87-8be3fcd752b0.md)
- [A Platform Study of Novel Immunotherapy Combinations in Participants With Previously Untreated, Advanced/Metastatic Non-Small-Cell Lung Cancer](https://trialight.com/data/trial/a-platform-study-of-novel-immunotherapy-combinations-in-29430999-4540-4481-8d22-236d21ffd249.md)
- A Study of Belrestotug Plus Dostarlimab Compared With Placebo Plus Pembrolizumab in Previously Untreated Participants With Programmed Death Ligand 1 (PD-L1) High Non-small-cell Lung Cancer (NSCLC)
- First-In-Human Study of EOS884448 in Participants with Advanced Cancers.
- [First-Time-in-Human Study of GSK4381562 in Participants With Advanced Solid Tumors](https://trialight.com/data/trial/first-time-in-human-study-of-gsk4381562-in-participants-with-2b234294-67e5-437c-b4a4-a51fc28f3e3b.md)
- Platform Trial of Novel Regimens Versus Standard of Care (SoC) in Participants With Non-small Cell Lung Cancer (NSCLC)
- Platform Trial of Novel Regimens Versus Standard of Care (SoC) in Participants With Non-small Cell Lung Cancer (NSCLC) - Sub-study 3
- Study of EOS-448 With Standard of Care and/or Investigational Therapies in Participants With Advanced Solid Tumors
- Study of Novel Regimens in Relapsed or Refractory Multiple Myeloma
- Study of the Safety and Effectiveness of GSK6097608 in Participants With Advanced Solid Tumors

### In development for (5)

- [Cancer](https://trialight.com/data/condition/cancer-703b1dfc-4812-50eb-83f4-d7a205d16bdb.md) Phase 2
- [Head and neck neoplasm](https://trialight.com/data/condition/head-and-neck-neoplasm-6436d68c-825f-5a7a-bb29-99e9ae9e009a.md) Phase 2
- Neoplasm Phase 2
- [Non-small cell lung carcinoma](https://trialight.com/data/condition/non-small-cell-lung-carcinoma-a86c1d60-523f-5ea7-a5e1-39ed4a2296f8.md) Phase 3
- [Plasma cell myeloma](https://trialight.com/data/condition/plasma-cell-myeloma-37186689-2591-5775-9042-2f2bf046a2b5.md) Phase 1

---

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