> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/asset/levoleucovorin-fdff57d9-ad4f-4a44-ad7d-40932f268d1b
> Record changed: 2026-10-13

# Levoleucovorin

Highest phase reached

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908841)

Drug type

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908841)

First approval year

2008

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908841)

## Development status

**First approval year**

2008

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908841)

**Listing at source**

Listed

**Highest phase reached**

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908841)

## Names and chemistry

**Drug type**

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908841)

**Drug name**

Levoleucovorin

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908841)

**Molecular weight**

473.45

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908841)

**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

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908841)

### Brand names (2)

- khapzory
- Khapzory

### Other names (24)

- (6s)-leucovorin
- (s)-leucovorin
- 6s leucovorin
- l folinic acid
- l glutamic acid n 4 6s 2 amino 5 formyl 1 4 5 6 7 8 hexahydro 4 oxo 6 pteridinyl methyl amino benzoyl
- L-folinic acid
- L-Folinic acid
- L-GLUTAMIC ACID, N-(4-((((6S)-2-AMINO-5-FORMYL-1,4,5,6,7,8-HEXAHYDRO-4-OXO-6-PTERIDINYL)METHYL)AMINO)BENZOYL)-
- levofolene
- Levofolene
- levofolinic acid
- Levofolinic acid
- Levofolinic acid \[WHO-DD\]
- Levofolinic Acid For Injection
- levofolinic acid who dd
- levoleucovorin
- Levoleucovorin
- LEVOLEUCOVORIN \[ORANGE BOOK\]
- LEVOLEUCOVORIN \[VANDF\]
- levoleucovorin orange book
- levoleucovorin vandf
- lfp 754
- LFP-754
- s leucovorin

## Identifiers

**ChEMBL ID**

CHEMBL1908841

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908841)

**InChIKey**

VVIAGPKUTFNRDU-STQMWFEESA-N

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1908841)

**PubChem compound IDs**

- 135398559

**RxNorm IDs (RxCUI)**

- 877015

**FDA ingredient codes (UNII)**

- 990S25980Y

### CAS registry numbers (2)

- 68538-85-2
- 80433-71-2

## Regulatory information

### United States

**Applicant**

ACROTECH BIOPHARMA

**Approval date**

7 Mar 2008

**Application number**

NDA020140

### Other regulatory facts

**Patents**

1

**Designations**

2

**Earliest recorded loss of exclusivity**

25 Mar 2039

**First in class**

No

**Fast track**

No

**Breakthrough designation**

No

**Orphan designation**

No

**Priority review**

No

**Orphan exclusivity**

No

**Accelerated approval**

No

**Availability**

Prescription only

## Pharmacology

### Drug classification

#### Administration routes

- Parenteral

### Investigated indications (9)

- **Condition**  
Osteosarcoma

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0000637

**Subject identifier**  
D012516
- **Condition**  
Colorectal Neoplasms

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0004142

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

**Highest recorded phase**  
1

**Condition identifier**  
EFO:0004288

**Subject identifier**  
D003110
- **Condition**  
Esophageal Neoplasms

**Highest recorded phase**  
3

**Condition identifier**  
EFO:0005922

**Subject identifier**  
D004938
- **Condition**  
Rectal Neoplasms

**Highest recorded phase**  
2

**Condition identifier**  
EFO:1000657

**Subject identifier**  
D012004
- **Condition**  
Colorectal Neoplasms

**Highest recorded phase**  
4

**Condition identifier**  
EFO:1001951

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

**Highest recorded phase**  
2

**Condition identifier**  
MONDO:0001056

**Subject identifier**  
D013274
- **Condition**  
Anemia

**Highest recorded phase**  
4

**Condition identifier**  
MONDO:0002280

**Subject identifier**  
D000740
- **Condition**  
Colorectal Neoplasms

**Highest recorded phase**  
4

**Condition identifier**  
MONDO:0005575

**Subject identifier**  
D015179

### Open Targets indications (21)

- **Condition identifier**  
EFO\_0000637
- **Condition identifier**  
EFO\_0004288
- **Condition identifier**  
EFO\_1000044

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

**Highest recorded phase**  
3
- **Condition identifier**  
HP\_0002014

**Highest recorded phase**  
3
- **Condition identifier**  
HP\_0002018

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0001056

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0002280
- **Condition identifier**  
MONDO\_0002280

**Highest recorded phase**  
4
- **Condition identifier**  
MONDO\_0003219

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0004967

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0005028

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0005036

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

**Highest recorded phase**  
4
- **Condition identifier**  
MONDO\_0005580

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0006519

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

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0009807

**Highest recorded phase**  
4
- **Condition identifier**  
MONDO\_0019086

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0021063

**Highest recorded phase**  
3

### Reported adverse events (47)

- **Event**  
abdominal pain

**Reports**  
550

**Reporting signal score**

200.906
- **Event**  
anaemia

**Reports**  
547

**Reporting signal score**

190.883
- **Event**  
anaphylactic shock

**Reports**  
9

**Reporting signal score**

14.0443
- **Event**  
cholinergic syndrome

**Reports**  
5

**Reporting signal score**

22.0207
- **Event**  
colorectal cancer metastatic

**Reports**  
88

**Reporting signal score**

288.934
- **Event**  
coombs direct test positive

**Reports**  
2

**Reporting signal score**

8.52811
- **Event**  
decreased appetite

**Reports**  
437

**Reporting signal score**

190.924
- **Event**  
dehydration

**Reports**  
447

**Reporting signal score**

264.889
- **Event**  
dermatitis acneiform

**Reports**  
146

**Reporting signal score**

323.703
- **Event**  
diarrhoea

**Reports**  
1,744

**Reporting signal score**  
1,005.05
- **Event**  
disease progression

**Reports**  
586

**Reporting signal score**

600.541
- **Event**  
febrile neutropenia

**Reports**  
671

**Reporting signal score**

904.662
- **Event**  
gastrointestinal toxicity

**Reports**  
104

**Reporting signal score**

214.427
- **Event**  
general physical health deterioration

**Reports**  
318

**Reporting signal score**

230.329
- **Event**  
haematotoxicity

**Reports**  
199

**Reporting signal score**

387.818
- **Event**  
hyperammonaemia

**Reports**  
4

**Reporting signal score**

8.74774
- **Event**  
hypertension

**Reports**  
479

**Reporting signal score**

176.183
- **Event**  
hypertransaminasaemia

**Reports**  
4

**Reporting signal score**

8.81495
- **Event**  
injection site pain

**Reports**  
3

**Reporting signal score**

173.164
- **Event**  
interstitial lung disease

**Reports**  
10

**Reporting signal score**

10.5599
- **Event**  
leukopenia

**Reports**  
367

**Reporting signal score**

343.965
- **Event**  
malignant neoplasm progression

**Reports**  
264

**Reporting signal score**

179.599
- **Event**  
metastases to liver

**Reports**  
183

**Reporting signal score**

317.442
- **Event**  
monocytosis

**Reports**  
4

**Reporting signal score**

17.0504
- **Event**  
mucosal inflammation

**Reports**  
437

**Reporting signal score**

734.063

And 22 more, listed on the interactive page.

### Trial references (13)

- NCT01383707  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01383707)
- NCT01718873  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01718873)
- NCT01895257  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01895257)
- NCT05839470  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05839470)
- NCT01481545  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01481545)
- NCT02280070  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT02280070)
- NCT01590719  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01590719)
- NCT05319639  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05319639)
- NCT06197438  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06197438)
- NCT01681472  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01681472)
- NCT01836653  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT01836653)
- NCT04949256  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04949256)
- NCT05253651  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05253651)

## Dosing

**Dose**

7.5 mg (approximately 5 mg/m2)

**Route**

Intravenous

**How often**

Every 6 hours 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

**Calculated partition coefficient (XLogP)**

\-1.2

**Prodrug**

No

**Chirality**

Single enantiomer

**Inorganic**

No

**Rule-of-five violations**

1

**Rotatable bonds**

10

**Heavy atoms**

34

**Molecular formula**

C20H23N7O7

**Monoisotopic mass**

473.16589610

**Natural product**

Yes

## Evidence counts

**Recorded assays**

5

**Active assays**

0

## Pharmacologic actions

- Antidotes  
Source: [id.nlm.nih.gov](https://id.nlm.nih.gov/mesh/D000931.html)

## Related records

### Trials (24)

- A Study of Amivantamab and FOLFIRI Versus Cetuximab/Bevacizumab and FOLFIRI in Participants With KRAS/NRAS and BRAF Wild-type Colorectal Cancer Who Have Previously Received Chemotherapy
- [A Study of Amivantamab and mFOLFOX6 or FOLFIRI Versus Cetuximab and mFOLFOX6 or FOLFIRI as First-line Treatment in Participants With KRAS/NRAS and BRAF Wild-type Unresectable or Metastatic Left-sided Colorectal Cancer](https://trialight.com/data/trial/a-study-of-amivantamab-and-mfolfox6-or-folfiri-versus-f08135dc-3ba8-4c39-aaab-784557b79343.md)
- A Study of Bevacizumab and Modified FOLFOX-6 (mFOLFOX-6) in Participants With Metastatic Colorectal Cancer
- A Study of Nal-IRI With 5-FU, Levofolinic Acid and Oxaliplatin in Patients With Resectable Pancreatic Cancer
- A Study of Onartuzumab (MetMAb) in Combination With mFOLFOX6 in Patients With Metastatic Human Epidermal Growth Factor Receptor 2 (HER2) Negative Gastroesophageal Cancer
- A Study of Tucatinib With Trastuzumab and mFOLFOX6 Versus Standard of Care Treatment in First-line HER2+ Metastatic Colorectal Cancer
- Active Symptom Control Alone or With mFOLFOX Chemotherapy for Locally Advanced/ Metastatic Biliary Tract Cancers
- Bevacizumab With Pelvic Radiotherapy And Primary Chemotherapy in Patients With Poor-Risk Rectal Cancer
- Concurrently vs Sequentially Combined HAIC With Targeted and Immunotherapy in Potentially Resectable HCC
- Efficacy and Safety of Olaparib (MK-7339) With or Without Bevacizumab Compared to Bevacizumab With a Fluoropyrimidine in Unresectable or Metastatic Colorectal Cancer (CRC) (MK-7339-003/LYNK-003)
- Efficacy and Safety of Pembrolizumab (MK-3475) Plus Lenvatinib (E7080/MK-7902) Plus Chemotherapy in Participants With Metastatic Esophageal Carcinoma (MK-7902-014/E7080-G000-320/LEAP-014).
- FOLFOX8 Versus mFOLFOX6 With Bevacizumab or Cetuximab for First-Line Unresectable Metastatic Colorectal Cancer (Phase II)
- Imatinib Mesylate and Combination Chemotherapy in Treating Patients With Newly Diagnosed Philadelphia Chromosome Positive Acute Lymphoblastic Leukemia
- Intermittent or Continuous Panitumumab Plus FOLFIRI for Left Sided RAS/B-RAF Wild-type Metastatic Colorectal Cancer
- New Second-Line Combo Therapy for MSS Metastatic Colorectal Cancer
- Oxaliplatin in PIPAC for Nonresectable Peritoneal Metastases of Digestive Cancers
- Phase 2 Futibatinib in Combination With PD-1 Antibody Based Standard of Care in Solid Tumors
- Phase II Trial of FOLFOXIGIL Versus FOLFOXIRI as First-line Therapy in Patients With mCRC
- PK/PD Investigation of Modufolin (Arfolitixorin) in Plasma, Tumor and Adjacent Mucosa Adjacent Mucosa in Patients With Colon Cancer
- Study of Pembrolizumab (MK-3475) Versus Placebo in Participants With Esophageal Carcinoma Who Are Receiving Chemotherapy and Radiation Therapy (MK-3475-975/KEYNOTE-975)

### Approved for (5)

- Anemia
- [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)
- [Colorectal neoplasm](https://trialight.com/data/condition/colorectal-neoplasm-31f0a633-3abe-5df4-9d3a-9292c6541f1d.md)
- [Osteosarcoma](https://trialight.com/data/condition/osteosarcoma-d6ad580f-c521-585b-9a22-26006b6bff2b.md)

### In development for (5)

- [Colonic neoplasm](https://trialight.com/data/condition/colonic-neoplasm-be61bc3a-c82f-5b84-a20f-3f9931cfcc77.md) Phase 1
- [Esophageal squamous cell carcinoma](https://trialight.com/data/condition/esophageal-squamous-cell-carcinoma-c10bd9c9-02f9-5805-8008-b021f4604e7a.md) Phase 3
- [Gastric cancer](https://trialight.com/data/condition/gastric-cancer-3c1e2785-2672-5b3e-afce-9335f684c159.md) Phase 2
- [Pancreatic adenocarcinoma](https://trialight.com/data/condition/pancreatic-adenocarcinoma-fd65444c-0bc5-53ed-8c6a-62d9809145d0.md) Phase 2
- Rectal cancer Phase 2

---

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