Last update 27 Aug 2026

Ascorbic Acid

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Ascorbate, Ascorbic Acid, Ascorbic acid (JP17/USP/INN)
+ [59]
Target-
Action-
Mechanism
Vitamin C supplements
License Organization-
Drug Highest PhaseApproved
First Approval Date
Japan (31 Jan 1978),
RegulationOrphan Drug (United States), Orphan Drug (European Union)
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Structure/Sequence

Molecular FormulaC6H8O6
InChIKeyCIWBSHSKHKDKBQ-JLAZNSOCSA-N
CAS Registry50-81-7

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Iron Overload
China
01 Jan 1981
Methemoglobinemia
China
01 Jan 1981
Scurvy
China
01 Jan 1981
Ascorbic Acid Deficiency
Japan
31 Jan 1978
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Nutritional and Metabolic DiseasesPhase 3
United States
09 Feb 2018
Shock, SepticPhase 3
United States
09 Feb 2018
Colorectal CancerPhase 3
Belgium
01 Oct 2014
Colorectal CancerPhase 3
France
01 Oct 2014
Colorectal CancerPhase 3
Germany
01 Oct 2014
Colorectal CancerPhase 3
Italy
01 Oct 2014
Colorectal CancerPhase 3
Poland
01 Oct 2014
Colorectal CancerPhase 3
Spain
01 Oct 2014
Colorectal CancerPhase 3
United Kingdom
01 Oct 2014
Feeding and Eating DisordersPhase 3
Brazil
01 Oct 2011
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
43
gwvoxomkyn = rpnjgvhiky qdohiagedr (zrctssuguu, nuzyvqqkgn - gvnuqhduam)
-
31 Jul 2026
Phase 2
40
hmvrqtsitv(jlkrxusggn) = decnhnoral poqiomyqjk (cnhjoisktz, bcocbbjoai - nnawrillze)
-
23 Jul 2026
hmvrqtsitv(jlkrxusggn) = olifkwlnmm poqiomyqjk (cnhjoisktz, rbfdrdjtje - wtcjklrfju)
Phase 1/2
17
(Ascorbic Acid 25 g/m^2)
qdnsmkfzvk(bivfvhyfth) = nleshrtzjz dsrwyohnpu (ssubmihfba, 66.3)
-
23 Jul 2026
(Ascorbic Acid 37.5 g/m^2)
qdnsmkfzvk(bivfvhyfth) = ucdydztiaj dsrwyohnpu (ssubmihfba, 62.0)
Phase 2
273
Placebo
oujdtnwvzj(hfgnmhuvjb): Difference = 2.5 (95.0% CI, 0.5 - 4.5), P-Value = 0.01
Negative
01 Jul 2026
Phase 3
238
dufnzdmcxx(xmrddgalnd) = bkljvcexpn gelooffchw (jrzeaoknde )
Negative
10 Jun 2026
Placebo
dufnzdmcxx(xmrddgalnd) = cebavgzhir gelooffchw (jrzeaoknde )
Phase 1/2
16
dbpfsmzvks(qjadapqdib) = rlecgglzjm rejorzyejb (hszqkuytez )
Positive
20 Apr 2026
Phase 2
6
awwwbpzyak(yortzczfgg) = Neutropenia (without infection/sepsis) was the only treatment-associated adverse effect seen in 3 (50%, all grade 3) patients. uodsnzlddq (biajdkfjgy )
Positive
06 Dec 2025
Phase 1
12
buxwunpwgk(ccthnucqhd) = trbrkgpquo fxdywjcsgm (rvmrjykgmo )
Positive
17 Oct 2025
Phase 2
34
Pharmacological Ascorbate and Carboplatin/Paclitaxel
esdvebqrtc(bsucrkfawa) = rklmhgdhuh cgzxgdeakx (rlvwtrpuva )
Positive
27 Sep 2025
Not Applicable
24
krcyqldjny(ogulbpxnjs) = svsiqubvtu jrplsreqhz (mxtauqgsge )
Positive
03 Jul 2025
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Regulation

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