Ascorbic Acid
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Also known as Acide ascorbiqueAcido ascorbicoAcidum ascorbicumAscoltinAscorAscorbateAscorbic acid (vit c)Ascorbic acid component of moviprepAscorbic acid component of plenvuAscorbic acid component of vitapedl-AscorbicapAscorbicum acidumAscurBassett'sE-300E300FEMA NO. 2109Haliborange
Summary
Ascorbic Acid (CHEMBL196) is an approved small-molecule flour treatment agent (ATC G01AD03) targeting SLC23A1 and SLC23A2; indicated across 104 conditions including iron deficiency anemia and pneumonia.
At a glance
- Status: Approved (max clinical phase 4)
- Modality: Small molecule
- ATC class: G01AD03 (+2 more)
- Targets: 2 (SLC23A1, SLC23A2)
- Indications: 104 conditions
- Clinical trials: 399
- Chemistry: C6H8O6
Identifiers
Drug identity and classification
| Field | Value |
|---|---|
| ChEMBL ID | CHEMBL196 |
| Name | Ascorbic Acid |
| Type | Small molecule |
| Max phase | 4 |
| ChEBI | CHEBI:29073 |
| ATC | G01AD03, A11GA01, S01XA15 |
| Molecular formula | C6H8O6 |
| InChIKey | CIWBSHSKHKDKBQ-JLAZNSOCSA-N |
SMILES: [H][C@]1([C@@H](O)CO)OC(=O)C(O)=C1O
ChEBI definition: The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.
Pharmacological roles (ChEBI): coenzyme, flour treatment agent, cofactor, skin lightening agent, geroprotector.
Other ChEBI roles (chemical / environmental): food antioxidant, plant metabolite, food colour retention agent.
Also known as: Acide ascorbique, Acido ascorbico, Acidum ascorbicum, Ascoltin, Ascor, Ascorbate, Ascorbic acid, Ascorbic acid (vit c), Ascorbic acid component of moviprep, Ascorbic acid component of plenvu, Ascorbic acid component of vitaped, l-
Parent form; salt/anhydrous children: CHEMBL3350399
Patent coverage: 419,869 distinct patent families (1,033,030 SureChEMBL compound mentions), from 1 matched compound structure(s). Mentions count patents naming the compound (not distinct inventions), so promiscuous / reference molecules inflate the mention figure — families are the dedup metric.
Targets
Targets
Primary targets (GtoPdb curated mechanism): the Cancer dependency column is the DepMap CRISPR fitness signal (% of screened cell lines dependent on the target).
| Gene | Target | Action | pAffinity | Cancer dependency | UniProt |
|---|---|---|---|---|---|
| SLC23A1 | Sodium-dependent vitamin C transporter 1 | Binding | 0% | Q9UHI7 | |
| SLC23A2 | Sodium-dependent vitamin C transporter 2 | 0% | Q9UGH3 |
Broader ChEMBL bioactivity targets: 5 (assay-derived). Sample: Alpha-2B adrenergic receptor, Tyrosinase, Prostaglandin G/H synthase 1, Pancreatic alpha-amylase, Urease.
Bioactivity
ChEMBL activities: 4 potent at pChembl ≥ 5 of 7 total. Top 30 by potency (10 = 0.1 nM, 6 = 1 µM):
| Target | pChembl | Type | Value | Unit | Activity ID |
|---|---|---|---|---|---|
| ADRA2B | 9.3 | EC50 | 0.5 | nM | CHEMBL_ACT_2408159 |
| PTGS1 | 6.27 | AC50 | 533.2 | nM | CHEMBL_ACT_25205609 |
| PTGS1 | 6.21 | AC50 | 616.4 | nM | CHEMBL_ACT_25206539 |
| P07374 | 5.07 | IC50 | 8590 | nM | CHEMBL_ACT_24815645 |
Target pathways
Aggregated over 2 target gene(s): SLC23A1, SLC23A2.
Top Reactome pathways
4 total, by targets touching each:
| Pathway | Targets | Genes |
|---|---|---|
| Metabolism | 2 | SLC23A1, SLC23A2 |
| Vitamin C (ascorbate) metabolism | 2 | SLC23A1, SLC23A2 |
| Metabolism of water-soluble vitamins and cofactors | 2 | SLC23A1, SLC23A2 |
| Metabolism of vitamins and cofactors | 2 | SLC23A1, SLC23A2 |
Dominant GO biological processes
| GO term | Targets |
|---|---|
| sodium ion transport | 2 |
| L-ascorbic acid transmembrane transport | 2 |
| L-ascorbic acid metabolic process | 2 |
| monoatomic ion transport | 2 |
| transmembrane transport | 2 |
| brain development | 1 |
| response to toxic substance | 1 |
| nucleobase transport | 1 |
| lung development | 1 |
| dehydroascorbic acid transport | 1 |
| urate transport | 1 |
| sodium ion transmembrane transport | 1 |
| response to oxidative stress | 1 |
| cell adhesion | 1 |
| blood circulation | 1 |
Indications & clinical
Indications
104 indications (6 at ChEMBL trial phase 4). Phase below is the highest clinical-trial phase recorded for this drug against each disease — not the molecule’s overall approval status (that is in the Summary).
| Indication | Trial phase | MONDO | EFO |
|---|---|---|---|
| iron deficiency anemia | 4 | MONDO:0001356 | HP:0001891 |
| pneumonia | 4 | MONDO:0005249 | EFO:0003106 |
| anemia | 4 | MONDO:0002280 | EFO:0004272 |
| chronic kidney disease | 4 | MONDO:0005300 | EFO:0003884 |
| eye disorder | 4 | MONDO:0005328 | EFO:0003966 |
| scurvy | 4 | MONDO:0009412 | EFO:1001169 |
| diabetes mellitus | 3 | MONDO:0005015 | EFO:0000400 |
| colorectal adenocarcinoma | 3 | MONDO:0005008 | EFO:0000365 |
| atrial fibrillation | 3 | MONDO:0004981 | EFO:0000275 |
| uterine corpus leiomyoma | 3 | MONDO:0007886 | EFO:0000731 |
| heart failure | 3 | MONDO:0005252 | EFO:0003144 |
| atrial flutter | 3 | MONDO:0005310 | EFO:0003911 |
| colorectal neoplasm | 3 | MONDO:0005335 | EFO:0004142 |
| toxic shock syndrome | 3 | MONDO:0001881 | EFO:0006834 |
| myocardial ischemia | 3 | MONDO:0024644 | EFO:1001375 |
| macular degeneration | 3 | MONDO:0003004 | EFO:0009606 |
| complex regional pain syndrome | 3 | MONDO:0019369 | EFO:1001998 |
| gastric neoplasm | 3 | MONDO:0021085 | MONDO:0001056 |
| severe acute respiratory syndrome | 3 | MONDO:0005091 | EFO:0000694 |
| respiratory tract infectious disorder | 3 | MONDO:0024355 | MONDO:0024355 |
| influenza | 3 | MONDO:0005812 | EFO:0007328 |
| cataract | 3 | MONDO:0005129 | MONDO:0005129 |
| coronary artery disorder | 3 | MONDO:0005010 | EFO:0001645 |
| paraganglioma | 3 | MONDO:0000448 | EFO:1000453 |
| non-Hodgkin lymphoma | 2 | MONDO:0018908 | EFO:0005952 |
| injury | 2 | MONDO:0021178 | EFO:0000546 |
| non-small cell lung carcinoma | 2 | MONDO:0005233 | EFO:0003060 |
| prostate adenocarcinoma | 2 | MONDO:0005082 | EFO:0000673 |
| exocrine pancreatic carcinoma | 2 | MONDO:0005192 | EFO:0002618 |
| metastatic prostate carcinoma | 2 | MONDO:0004956 | EFO:0000196 |
| myelodysplastic syndrome | 2 | MONDO:0018881 | EFO:0000198 |
| acute myeloid leukemia | 2 | MONDO:0018874 | EFO:0000222 |
| clear cell renal carcinoma | 2 | MONDO:0005005 | EFO:0000349 |
| epilepsy | 2 | MONDO:0005027 | EFO:0000474 |
| glioblastoma | 2 | MONDO:0018177 | EFO:0000519 |
| preeclampsia | 2 | MONDO:0005081 | EFO:0000668 |
| plasma cell myeloma | 2 | MONDO:0009693 | EFO:0001378 |
| muscle tissue disorder | 2 | MONDO:0003939 | EFO:0002970 |
| nicotine dependence | 2 | MONDO:0008575 | EFO:0003768 |
| pancreatic neoplasm | 2 | MONDO:0021040 | EFO:0003860 |
| stomatitis | 2 | MONDO:0004842 | EFO:1001904 |
| Hodgkins lymphoma | 2 | MONDO:0004952 | EFO:0000183 |
| myocardial infarction | 2 | MONDO:0005068 | EFO:0000612 |
| urinary tract infection | 2 | MONDO:0100338 | EFO:0003103 |
| heart disorder | 2 | MONDO:0005267 | EFO:0003777 |
| carotid artery disorder | 2 | MONDO:0005269 | EFO:0003781 |
| cardiac arrest | 2 | MONDO:0000745 | EFO:0009492 |
| cerebral atherosclerosis | 2 | MONDO:0006694 | EFO:1000860 |
| acute lung injury | 2 | MONDO:0015796 | EFO:0004610 |
| ovarian cancer | 2 | MONDO:0008170 | MONDO:0008170 |
| acute promyelocytic leukemia | 2 | MONDO:0012883 | EFO:0000224 |
| rectal cancer | 2 | MONDO:0006519 | EFO:1000657 |
| depressive disorder | 2 | MONDO:0002050 | MONDO:0002050 |
| viral infectious disease | 2 | MONDO:0005108 | EFO:0000763 |
| type 2 diabetes mellitus | 2 | MONDO:0005148 | MONDO:0005148 |
| Charcot-Marie-Tooth disease | 2 | MONDO:0015626 | MONDO:0007309 |
| beta thalassemia | 2 | MONDO:0019402 | MONDO:0016486 |
| neuralgia | 2 | MONDO:0021667 | EFO:0005762 |
| lung neoplasm | 2 | MONDO:0021117 | MONDO:0008903 |
| plasma cell neoplasm | 2 | MONDO:0004959 | EFO:0000200 |
| diffuse large B-cell lymphoma | 2 | MONDO:0018905 | EFO:0000403 |
| atherosclerosis | 2 | MONDO:0005311 | EFO:0003914 |
| vascular disorder | 2 | MONDO:0005385 | EFO:0004264 |
| diabetic neuropathy | 1 | MONDO:0006626 | EFO:1000783 |
| essential thrombocythemia | 1 | MONDO:0005029 | EFO:0000479 |
| acquired polycythemia vera | 1 | MONDO:0009891 | EFO:0002429 |
| primary myelofibrosis | 1 | MONDO:0009692 | EFO:0002430 |
| anaplastic astrocytoma | 1 | MONDO:0016684 | EFO:0002499 |
| anaplastic oligodendroglioma | 1 | MONDO:0016696 | EFO:0002501 |
| temporomandibular joint disorder | 1 | MONDO:0005473 | EFO:0005279 |
| gliosarcoma | 1 | MONDO:0016681 | EFO:1001465 |
| acne | 1 | MONDO:0011438 | EFO:0003894 |
| burn | 1 | MONDO:0043519 | EFO:0009516 |
| soft tissue sarcoma | 1 | MONDO:0018078 | EFO:1001968 |
| autism | 1 | MONDO:0005260 | EFO:0003758 |
| breast neoplasm | 1 | MONDO:0021100 | MONDO:0007254 |
| colonic neoplasm | 1 | MONDO:0005401 | MONDO:0021063 |
| hypertensive disorder | 1 | MONDO:0005044 | EFO:0000537 |
| glioma | 1 | MONDO:0021042 | MONDO:0100342 |
| pulmonary alveolar proteinosis | 1 | MONDO:0001437 | MONDO:0001437 |
| asthma | 1 | MONDO:0004979 | MONDO:0004979 |
| type 1 diabetes mellitus | 1 | MONDO:0005147 | MONDO:0005147 |
| osteoarthritis | 1 | MONDO:0005178 | MONDO:0005178 |
| neoplasm | 1 | MONDO:0005070 | MONDO:0004992 |
| hereditary breast ovarian cancer syndrome | 1 | MONDO:0003582 | Orphanet:145 |
| pancreatic ductal adenocarcinoma | 1 | MONDO:0005184 | MONDO:0005184 |
| basal cell carcinoma | 0 | MONDO:0020804 | EFO:0004193 |
17 further indication records had no mapped disease name (EFO/MeSH-only) or were duplicates, and are omitted.
Clinical trials
Total trials: 399.
Phase distribution
| Phase | Trials |
|---|---|
| Not specified | 133 |
| PHASE2 | 83 |
| PHASE4 | 46 |
| PHASE3 | 44 |
| PHASE1 | 41 |
| PHASE1/PHASE2 | 22 |
| PHASE2/PHASE3 | 17 |
| EARLY_PHASE1 | 13 |
Top trials by phase / activity
| NCT | Phase | Status | Title |
|---|---|---|---|
| NCT07414693 | PHASE4 | RECRUITING | Effect of Vitamin C on Length of Hospital Stay in Children With Severe Pneumonia |
| NCT00140166 | PHASE4 | COMPLETED | Treatment of Acute Schizophrenia With Vitamin Therapy |
| NCT00303160 | PHASE4 | UNKNOWN | Effect of Helicobacter Pylori on the Availability of Vitamin E and C |
| NCT00356954 | PHASE4 | COMPLETED | NASPI: N-Acetylcysteine vs. Ascorbic Acid for Prevention of Contrast Induced Nephropathy in Renal Insufficiency Undergoing Coronary Catheterization |
| NCT00519337 | PHASE4 | COMPLETED | Impact of Ascorbic Acid on Post-Cardiothoracic Surgery Inflammation |
| NCT00869427 | PHASE4 | TERMINATED | Vitamin C for Prevention of Urinary Tract Infections in the Spinal Cord Injured |
| NCT01055418 | PHASE4 | COMPLETED | Cognitive and Cerebral Blood Flow Effects of Vitamin C |
| NCT01090895 | PHASE4 | UNKNOWN | Treatment of Reperfusion Event by Vitamin C Infusion |
| NCT01167569 | PHASE4 | COMPLETED | Study of High Dose Vitamin C On Outcome in Cardiac Surgery Patients |
| NCT01322061 | PHASE4 | COMPLETED | Vitamin C Efficacy in Reducing Post Operative Pain |
| NCT01332578 | PHASE4 | COMPLETED | A Comparison of Solid and Soluble Forms of Cold and Influenza Remedies |
| NCT01350102 | PHASE4 | TERMINATED | The Relationship of Hemoglobin A1c and Diabetic Wound Healing |
| NCT01356433 | PHASE4 | COMPLETED | Influence of Oral Vitamin C Supplement on the Inflammation Status in Dialysis Patients |
| NCT01558622 | PHASE4 | UNKNOWN | Intraoperative Use of Dexketoprofen Trometamol, Pethidine Hcl, Tramadol Hcl and Their Combinations for Postoperative Pain Management in Laparoscopic Nissen Fundoplication |
| NCT01595516 | PHASE4 | COMPLETED | Nebivolol and Endothelial Regulation of Fibrinolysis (NERF) |
| NCT01743742 | PHASE4 | COMPLETED | First-day High Dose Vitamin C, E in Severe Birth Asphyxia |
| NCT01865916 | PHASE4 | COMPLETED | 2L Oral Bi-PegLyte Versus 2L Oral MoviPrep Regimen for Outpatient Colonic Preparation |
| NCT01926132 | PHASE4 | UNKNOWN | High-dose Ascorbic Acid Intravenous Injection Decreases Mitochondrial DNA Damage in Chronic Fatigue Patients: Randomized-controlled Study |
| NCT02019186 | PHASE4 | COMPLETED | Effects of Vitamin C and E on Endothelial Function in Adolescent Diabetes |
| NCT02209636 | PHASE4 | COMPLETED | Phosphate Lowering in CKD Trial |
| NCT02225886 | PHASE4 | UNKNOWN | Ascorbic Acid Administration in the Treatment of Anemia in Chronic Hemodialysed Patients |
| NCT02355197 | PHASE4 | COMPLETED | Antioxidants in Gestational Diabetes |
| NCT02455180 | PHASE4 | COMPLETED | Pharmacokinetics of Two Different High-dose Regimens of Intravenous Vitamin C in Critically Ill Patients |
| NCT02631668 | PHASE4 | COMPLETED | the Efficacy and Safety of Vitamin C for Iron Supplementation in Adult IDA Patients |
| NCT02639741 | PHASE4 | COMPLETED | Preoperative Melatonin or Vitamin C Administration on Postoperative Analgesia |
| NCT02780505 | PHASE4 | COMPLETED | Assessment of the Effect of Vitamin C on Anemia in Patients With Continuous Ambulatory Peritoneal Dialysis |
| NCT02956057 | PHASE4 | COMPLETED | Polyethylene Glycol Versus Low Volume Solutions Prior to Colonoscopy |
| NCT03049085 | PHASE4 | UNKNOWN | Effect of Preoperative Aspirin in Patients Undergoing Off-pump Coronary Artery Bypass Grafting |
| NCT03228238 | PHASE4 | TERMINATED | ANti-Oxidant in Variant Angina (ANOVA) Trial |
| NCT03252418 | PHASE4 | COMPLETED | Ascorbic Acid Versus Diode Laser in the Treatment of Gingival Hyperpigmentation |
| NCT03335124 | PHASE4 | TERMINATED | The Effect of Vitamin C, Thiamine and Hydrocortisone on Clinical Course and Outcome in Patients With Severe Sepsis and Septic Shock |
| NCT03581149 | PHASE4 | UNKNOWN | Tolerability and Efficacy of Sodium Picosulfate/Magnesium Citrate Versus PEG/Ascorbic Acid in Ulcerative Colitis Patients |
| NCT03698474 | PHASE4 | COMPLETED | Comparison of Different Low Volume Solutions Prior to Colonoscopy |
| NCT03889158 | PHASE4 | TERMINATED | Effect of Age and Fitness on Vascular Function and Oxidative Stress During Acute Inflammation |
| NCT03921099 | PHASE4 | UNKNOWN | Impact of Ascorbic Acid in the Prevention of Vancomycin Induced Nephrotoxicty |
| NCT04135378 | PHASE4 | COMPLETED | Effect of Low Doses of Vitamin C on Salivary Cortisol , Heart Rate , Blood Pressure During Group Presentation |
| NCT04210453 | PHASE4 | UNKNOWN | The Impact of Vitamin C on Postoperative Acute Kidney Injury in Risk Patients Undergoing Valvular Heart Surgery |
| NCT04334967 | PHASE4 | SUSPENDED | Hydroxychloroquine in Patients With Newly Diagnosed COVID-19 Compared to Standard of Care |
| NCT04468139 | PHASE4 | UNKNOWN | The Study of Quadruple Therapy Zinc, Quercetin, Bromelain and Vitamin C on the Clinical Outcomes of Patients Infected With COVID-19 |
| NCT04472000 | PHASE4 | TERMINATED | Can Vitamin C Reduce the Risk of Postoperative Shoulder Stiffness? |
Clinical evidence (CIViC)
No CIViC predictive evidence (expected for non-precision-medicine drugs).
Pharmacology
Pharmacogenomics
No PharmGKB pharmacogenomic data curated for this drug.
Related molecules
Related molecules
No competitor molecules sharing a primary target (ChEMBL phase ≥2 or PubChem drug-class).
Related Atlas pages
- Genes: SLC23A1, SLC23A2
- Diseases: iron deficiency anemia, pneumonia, anemia, chronic kidney disease, eye disorder, scurvy, diabetes mellitus, colorectal adenocarcinoma, atrial fibrillation, uterine corpus leiomyoma, heart failure, atrial flutter, colorectal neoplasm, toxic shock syndrome, myocardial ischemia, macular degeneration, complex regional pain syndrome, gastric neoplasm, severe acute respiratory syndrome, respiratory tract infectious disorder, influenza, cataract, coronary artery disorder, paraganglioma