> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/asset/lintuzumab-actinium-ac-225-26da561a-a7c4-4383-b485-7aaf1b7dd5da
> Record changed: 2026-10-13

# Lintuzumab actinium AC-225

Highest phase reached

Phase 2

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4297554)

Drug type

Antibody

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4297554)

## Development status

**Listing at source**

Listed

**Highest phase reached**

Phase 2

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4297554)

## Names and chemistry

**Drug type**

Antibody

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4297554)

**Drug name**

Lintuzumab actinium AC-225

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4297554)

### Other names (26)

- 225ac hum195
- 225ac lintuzumab
- 225ac-hum195
- 225ac-lintuzumab
- actimab a
- Actimab-a
- Actinio (225ac) lintuzumab satetraxetan
- actinio 225ac lintuzumab satetraxetan
- Actinium (225ac) lintuzumab satetraxetan
- Actinium (225Ac) rhPSMA-10.1
- Actinium (225Ac) zadavotide guraxetan (AZD2265 \[FPI-2265\])
- actinium 225 labeled humanized anti cd33 monoclonal antibody hum195
- actinium 225ac lintuzumab satetraxetan
- actinium 225ac rhpsma 10 1
- actinium ac 225 lintuzumab
- Actinium ac 225 lintuzumab
- Actinium ac-225 lintuzumab
- Actinium-225-labeled humanized anti-cd33 monoclonal antibody hum195
- hum 195 ac 225
- Hum-195 ac-225
- lintuzumab actinium ac 225
- Lintuzumab actinium ac-225
- lintuzumab satetraxetan ac 225
- Lintuzumab satetraxetan ac-225
- sgn 33 ac 225

And 1 more, listed on the interactive page.

## Identifiers

**ChEMBL ID**

CHEMBL4297554

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL4297554)

## Regulatory information

### Other regulatory facts

**Patents**

0

**Designations**

1

**First in class**

No

**Fast track**

No

**Breakthrough designation**

No

**Orphan designation**

No

**Priority review**

No

**Orphan exclusivity**

No

**Accelerated approval**

No

## Pharmacology

### Drug classification

**Drug name stem**

\-mab; -mab

### Open Targets indications (6)

- **Condition identifier**  
EFO\_0000198

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_0000222
- **Condition identifier**  
EFO\_0001378

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0005170

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0015667

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0018874

**Highest recorded phase**  
1

## Chemical properties

**Prodrug**

No

**Chirality**

Single enantiomer

**Inorganic**

No

**Natural product**

No

## Related records

### Trials (31)

- A Clinical Study of \[225Ac\]Ac-FAPI-XT(XT117) Injection in Patients With Advanced Solid Tumors
- A Clinical Study to Evaluate the Safety, Tolerability and Preliminary Efficacy of \[225Ac\]Ac-PSMA-XT Injection in Patients With Metastatic Castration-resistant Prostate Cancer
- A Phase 1 Study of \[225Ac\]-FPI-1434 Injection
- A Phase 1-1b Study to Evaluate the Safety, Efficacy and Dosimetry of Study Drug A9-3408 in Subjects With Metastatic Melanoma
- A Phase 1, Dose-escalation Study of \[225Ac\]-FPI-2068 in Adult Patients With Advanced Solid Tumours
- A Phase I Study to Assess the Safety and Efficacy of \[225Ac\]Ac-DOTATATE in Patients With SSTR+ GEP-Nens
- A Phase I Study to Evaluate the Safety and Preliminary Efficacy of \[225Ac\]Ac-DOTATATE Injection Combined With Tislelizumab in the Maintenance Treatment Period for Patients of Extensive-stage Small Cell Lung Cancer (ES-SCLC) With Somatostatin Receptors (SSTR)+ as First-line Treatment
- A Prospective, Open-label, Single-arm, Exploratory Clinical Trial to Evaluate the Safety and Tolerability of 225Ac-TR2205 Injection in Patients With Triple-negative Breast Cancer.
- A Study of \[177Lu\]Lu-A9-0631 and \[225Ac\]Ac-A9-0642 With \[68Ga\]Ga-A9-6217 or \[177Lu\]Lu-A9-0631 Imaging in GRPR+ Solid Tumors
- A Study of \[225Ac\]-FPI-1966 in Participants With Advanced Solid Tumours
- [A Study of \[225Ac\]Ac-AKY-1189 in Patients With Solid Tumors](https://trialight.com/data/trial/a-study-of-225ac-ac-aky-1189-in-patients-with-solid-tumors-a7bbe907-2877-44bf-89c8-692fa53772b4.md)
- A Study of \[225Ac\]Ac-AKY-2519 in Patients With Metastatic Castration-Resistant Prostate Cancer
- A Study of Theranostic Pair PD-32766D/T in Participants With Carbonic Anhydrase IX Positive Clear Cell Renal Cell Carcinoma
- ACTinium in Castrate-RESistant Prostate Cancer After LUTEtium
- AZD2265 Compared With Standard of Care in PSMA-positive Metastatic Castration-resistant Prostate Cancer (VECTRA-01)
- Clinical Trial of Ac225-PSMA Radioligand Therapy of Metastatic Castration-resistant Prostate Cancer
- [First-in-human Study of 225Ac-PSMA-Trillium (BAY 3563254) in Participants With Advanced Metastatic Castration-resistant Prostate Cancer (mCRPC)](https://trialight.com/data/trial/first-in-human-study-of-225ac-psma-trillium-bay-3563254-in-15d098f8-95fa-4fbb-911c-50d7543813d0.md)
- Fractionated and Multiple Dose 225Ac-J591 for Progressive mCRPC
- Phase I Study of \[225Ac\]Ac-ETN029 in Patients With Advanced DLL3-expressing Solid Tumors
- Phase I Study of 225Ac-J591 Plus 177Lu-PSMA Small Molecule for Progressive Metastatic Castration Resistant Prostate Cancer

### In development for (3)

- Acute myeloid leukemia by FAB classification Phase 2
- [Myelodysplastic syndrome](https://trialight.com/data/condition/myelodysplastic-syndrome-f5df8ce5-6064-53d3-902c-f09fc4acd4bb.md) Phase 2
- [Plasma cell myeloma](https://trialight.com/data/condition/plasma-cell-myeloma-37186689-2591-5775-9042-2f2bf046a2b5.md) Phase 1

### Other linked conditions (1)

- [Acute myeloid leukemia](https://trialight.com/data/condition/acute-myeloid-leukemia-b0971a7a-c18d-544e-bd7f-b1a13b9caa30.md)

---

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