> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/asset/levoleucovorin-calcium-21e918a4-89ff-4c55-aafc-3b4fd0086bc6
> Record changed: 2026-10-29

# Levoleucovorin calcium

Highest phase reached

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908361)

Drug type

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908361)

First approval year

2008

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908361)

## Development status

**First approval year**

2008

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908361)

**Listing at source**

Listed

**Highest phase reached**

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908361)

## Names and chemistry

**Drug type**

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908361)

**Drug name**

Levoleucovorin calcium

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908361)

**Molecular weight**

511.51

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908361)

**Structure (SMILES)**

Nc1nc(=O)c2c(\[nH\]1)NC\[C@H\](CNc1ccc(C(=O)N\[C@@H\](CCC(=O)\[O-\])C(=O)\[O-\])cc1)N2C=O.\[Ca+2\]

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908361)

### Brand names (4)

- fusilev
- Fusilev
- levoleucovorin calcium
- Levoleucovorin calcium

### Other names (54)

- (-)-5-FORMYL-(6S)-TETRAHYDROFOLATE CALCIUM SALT
- 5 formyl 6s tetrahydrofolate calcium salt
- 5 fu calcium levofolinate
- Calcium (6s)-folinate
- calcium 6s folinate
- calcium levofolinate
- Calcium levofolinate
- Calcium levofolinate (6s,l)
- calcium levofolinate \[INN\]
- CALCIUM LEVOFOLINATE \[MART.\]
- Calcium levofolinate \[WHO-DD\]
- calcium levofolinate 6s l
- calcium levofolinate hydrate
- Calcium levofolinate hydrate
- calcium levofolinate inn
- calcium levofolinate mart
- calcium levofolinate pentahydrate
- Calcium levofolinate pentahydrate
- calcium levofolinate who dd
- calcium n p 6s amino 5 formyl 1 4 5 6 7 8 hexahydro 4 oxo 6 pteridinyl methyl amino benzoyl l glutamate 1 1
- CALCIUM N-(P-((((6S)-AMINO-5-FORMYL-1,4,5,6,7,8-HEXAHYDRO-4-OXO-6-PTERIDINYL)METHYL)AMINO)BENZOYL)-L-GLUTAMATE (1:1)
- cl 307 782
- CL 307,782
- cl 307782
- CL-307782

And 29 more, listed on the interactive page.

## Identifiers

**ATC classification codes**

- V03AF04

Sources for recorded values

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908361)

**CAS registry numbers**

- 80433-71-2

**ChEMBL ID**

CHEMBL1908361

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908361)

**InChIKey**

KVUAALJSMIVURS-QNTKWALQSA-L

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908361)

**RxNorm IDs (RxCUI)**

- 979509

**FDA ingredient codes (UNII)**

- 778XL6VBS8

### PubChem compound IDs (3)

- 101641675
- 135500522
- 137183587

## Regulatory information

### United States

**Applicant**

ACROTECH BIOPHARMA

**Approval date**

7 Mar 2008

**Application number**

NDA020140

### Other regulatory facts

**First in class**

No

**Orphan designation**

No

**Availability**

Prescription only

## Pharmacology

### Drug classification

#### Administration routes

- Parenteral

### Investigated indications (9)

- **Condition**  
Carcinoma

**Highest recorded phase**  
3

**Condition identifier**  
EFO:0000313

**Subject identifier**  
D002277
- **Condition**  
Colorectal Neoplasms

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0000365

**Subject identifier**  
D015179
- **Condition**  
Osteosarcoma

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0000637

**Subject identifier**  
D012516
- **Condition**  
Pancreatic Neoplasms

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0002618

**Subject identifier**  
D010190
- **Condition**  
Colorectal Neoplasms

**Highest recorded phase**  
4

**Condition identifier**  
EFO:1001951

**Subject identifier**  
D015179
- **Condition**  
Stomach Neoplasms

**Highest recorded phase**  
3

**Condition identifier**  
MONDO:0001056

**Subject identifier**  
D013274
- **Condition**  
Carcinoma, Pancreatic Ductal

**Highest recorded phase**  
1

**Condition identifier**  
MONDO:0005184

**Subject identifier**  
D021441
- **Condition**  
Colorectal Neoplasms

**Highest recorded phase**  
4

**Condition identifier**  
MONDO:0005575

**Subject identifier**  
D015179
- **Condition**  
Colonic Neoplasms

**Highest recorded phase**  
3

**Condition identifier**  
MONDO:0021063

**Subject identifier**  
D003110

### Open Targets indications (18)

- **Condition identifier**  
EFO\_0000313

**Highest recorded phase**  
3
- **Condition identifier**  
EFO\_0000365
- **Condition identifier**  
EFO\_0000637
- **Condition identifier**  
EFO\_0002618

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_1001480

**Highest recorded phase**  
3
- **Condition identifier**  
EFO\_1001951

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

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0002280
- **Condition identifier**  
MONDO\_0002280

**Highest recorded phase**  
4
- **Condition identifier**  
MONDO\_0005008

**Highest recorded phase**  
4
- **Condition identifier**  
MONDO\_0005184

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0005575

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0005580

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

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0009807

**Highest recorded phase**  
4
- **Condition identifier**  
MONDO\_0009831

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0021063

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0024331

**Highest recorded phase**  
2

### Reported adverse events (37)

- **Event**  
abdominal pain

**Reports**  
377

**Reporting signal score**

133.128
- **Event**  
anaphylactic shock

**Reports**  
27

**Reporting signal score**

34.274
- **Event**  
bone marrow failure

**Reports**  
149

**Reporting signal score**

170.205
- **Event**  
colon cancer

**Reports**  
21

**Reporting signal score**

39.8806
- **Event**  
colorectal cancer metastatic

**Reports**  
56

**Reporting signal score**

178.702
- **Event**  
decreased appetite

**Reports**  
103

**Reporting signal score**

99.2547
- **Event**  
dehydration

**Reports**  
335

**Reporting signal score**

216.315
- **Event**  
dermatitis acneiform

**Reports**  
105

**Reporting signal score**

235.736
- **Event**  
diarrhoea

**Reports**  
1,089

**Reporting signal score**

535.04
- **Event**  
disease progression

**Reports**  
357

**Reporting signal score**

324.247
- **Event**  
disseminated intravascular coagulation

**Reports**  
22

**Reporting signal score**

41.1193
- **Event**  
febrile neutropenia

**Reports**  
544

**Reporting signal score**

808.347
- **Event**  
fixed eruption

**Reports**  
12

**Reporting signal score**

36.6455
- **Event**  
gastrointestinal perforation

**Reports**  
16

**Reporting signal score**

40.0694
- **Event**  
haematotoxicity

**Reports**  
119

**Reporting signal score**

214.399
- **Event**  
hyperammonaemia

**Reports**  
25

**Reporting signal score**

64.7165
- **Event**  
hypertension

**Reports**  
74

**Reporting signal score**

40.6267
- **Event**  
hypomagnesaemia

**Reports**  
30

**Reporting signal score**

52.7844
- **Event**  
injection site pain

**Reports**  
2

**Reporting signal score**

121.375
- **Event**  
interstitial lung disease

**Reports**  
170

**Reporting signal score**

129.586
- **Event**  
leukopenia

**Reports**  
207

**Reporting signal score**

157.744
- **Event**  
mucosal inflammation

**Reports**  
216

**Reporting signal score**

293.805
- **Event**  
neuropathy peripheral

**Reports**  
423

**Reporting signal score**

439.705
- **Event**  
neurotoxicity

**Reports**  
138

**Reporting signal score**

182.939
- **Event**  
neutropenia

**Reports**  
890

**Reporting signal score**  
1,112.59

And 12 more, listed on the interactive page.

### Trial references (8)

- NCT00195572  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00195572)
- NCT00195585  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00195585)
- NCT01524094  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01524094)
- NCT02337946  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT02337946)
- NCT02394795  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT02394795)
- NCT02394834  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT02394834)
- NCT02697058  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT02697058)
- NCT05546853  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05546853)

## Dosing

**Dose**

7.5 mg

**Route**

Intravenous

**How often**

Every 6 hours

### Conditions of use (2)

- Administer as infusion starting 24 hours after methotrexate infusion
- Continue until methotrexate level is below 5 x 10-8 M

## Chemical properties

**Hydrogen bond acceptors**

9

**Hydrogen bond donors**

7

**Polar surface area**

219.84

**Calculated partition coefficient (ALogP)**

\-0.73

**Prodrug**

No

**Chirality**

Single enantiomer

**Inorganic**

No

**Rule-of-five violations**

1

**Rotatable bonds**

10

**Heavy atoms**

35

**Molecular formula**

C20H21CaN7O7

**Monoisotopic mass**

511.1128369

**Natural product**

Yes

## National Drug Codes

- 0143-9558
- 14335-340
- 14335-341
- 43598-771
- 43598-773
- 68083-278
- 68083-279
- 70436-209
- 70436-210
- 71288-104
- 71288-105
- 70121-1572

## Evidence counts

**Recorded assays**

4

**Active assays**

0

## Related records

### Trials (70)

- A Clinical Research on the Relation of Blood Drug Concentration and Calcium Folinate Rescued in High-dose MTX Therapy
- A Clinical Study of Calderasib (MK-1084) With Targeted Therapy and Chemotherapy in People With Colorectal Cancer (MK-1084-012/KANDLELIT-012)
- [A Comparative Study of Pharmacokinetics, Safety, and Immunogenicity of RPH-030 and Vectibix® in Patients With Metastatic Colorectal Cancer With Wild-type RAS as First-line Therapy in Combination With FOLFIRI](https://trialight.com/data/trial/a-comparative-study-of-pharmacokinetics-safety-and-77df5d2a-bf8d-405f-aa8e-43f39eb748f0.md)
- A Phase 2 Study of SSGJ-707 in Metastatic Colorectal Cancer Patients
- A Phase 3 Study to Evaluate Surufatinib Plus Toripalimab in the Treatment of Advanced Neuroendocrine Carcinoma
- A Phase Ib/II Clinical Study on AK112 Combined or Not Combined With AK119 in pMMR/MSS Colorectal Cancer
- A Phase III Study of 2nd-line XELIRI ± Bevacizumab vs. FOLFIRI ± Bevacizumab in mCRC
- A Phase III Trial Comparing UFT+PSK to UFT+LV in Stage IIB, III Colorectal Cancer
- A Study Comparing BL-B01D1 With Treatment of Physician's Choice in Patients With Locally Advanced or Metastatic Biliary Tract Cancer After Failure of Platinum-based Chemotherapy(PANKU-BTC01)
- A Study of 2nd-line FOLFIRI ± Bevacizumab vs. Irinotecan ± Bevacizumab in mCRC
- A Study of AK104 With Chemotherapy as First-line Treatment in Patients With Advanced Pancreatic Cancer
- A Study of BL-M07D1 Versus Physician's Choice of Chemotherapy in Patients With HER2-expressing Locally Advanced or Metastatic Biliary Tract Cancer After Platinum-containing Chemotherapy Failure
- [A Study of BMS-986484 Alone and Combination Therapy in Participants With Advanced Solid Tumors](https://trialight.com/data/trial/a-study-of-bms-986484-alone-and-combination-therapy-in-c710e5c2-c540-482b-b55c-5a7881dfa32e.md)
- A Study of Novel Agents or Combinations as Perioperative Treatment in Participants With Locally Advanced Resectable Gastroesophageal Adenocarcinoma
- [A Study of SHR-1826 for Injection in Combination With Other Antitumor Therapies in Subjects With Solid Tumors](https://trialight.com/data/trial/a-study-of-shr-1826-for-injection-in-combination-with-other-184181f1-f673-4c75-bcb8-069c6f3428c4.md)
- A Study of the Efficacy and Safety of Lisocabtagene Maraleucel (Liso-cel) as First-Line Therapy in Adults With Transplant-Ineligible Primary Central Nervous System Lymphoma
- A Study of ZG006 for Injection Versus Investigator-Selected Chemotherapy in Participants With Advanced Neuroendocrine Carcinoma
- Abemaciclib Combined With FOLFOX/FOLFIRI Regimen in Patients With Advanced Colorectal Liver Metastases Cancer
- Achievement of Improved Survival by Molecular Targeted Chemotherapy and Liver Resection for Not Optimally Resectable Colorectal Liver Metastases
- Adebelimab Combined With Irinotecan Liposomal Injection, Oxaliplatin, Fluorouracil and Calcium Folinate Are Used in the First-line Treatment of Pancreatic Cancer Liver Metastasis Efficacy and Safety

### Approved for (4)

- [Colorectal adenocarcinoma](https://trialight.com/data/condition/colorectal-adenocarcinoma-49107d5a-ece1-5f2b-8783-f2077e298ffa.md)
- [Colorectal cancer](https://trialight.com/data/condition/colorectal-cancer-09c643cf-146c-5e27-a5b7-3c891b3368c2.md)
- [Colorectal carcinoma](https://trialight.com/data/condition/colorectal-carcinoma-51401c02-7884-5c5c-bb91-90106e7d0d4a.md)
- [Osteosarcoma](https://trialight.com/data/condition/osteosarcoma-d6ad580f-c521-585b-9a22-26006b6bff2b.md)

### In development for (5)

- [Carcinoma](https://trialight.com/data/condition/carcinoma-575e4c82-5fa5-5455-b1b7-30972eca1a2f.md) Phase 3
- Exocrine pancreatic carcinoma Phase 2
- [Gastric cancer](https://trialight.com/data/condition/gastric-cancer-3c1e2785-2672-5b3e-afce-9335f684c159.md) Phase 3
- Malignant colon neoplasm Phase 3
- [Pancreatic ductal adenocarcinoma](https://trialight.com/data/condition/pancreatic-ductal-adenocarcinoma-77c1c5a8-638b-51d0-b18e-2c881b8902e5.md) Phase 1

### Other linked conditions (1)

- Anemia

---

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