Clinical trial · Interventional
IV Ascorbic Acid in Advanced Gastric Cancer
Phase Ⅲ Study of IV Ascorbic Acid in Combination With XELOX vs Treatment With XELOX Alone as First-line Therapy for Advanced Gastric Cancer
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
Linus Pauling and Dr Ewan Cameron have published two retrospective studies about using high dose vitamin C to treat cancer patients forty years ago. Their studies have shown that high dose vitamin C usage could significantly prolong overall survival of patients with advanced cancer. Recently, preclinical study has shown that human colorectal cancer cells harboring KRAS or BRAF mutations are selectively killed by high levels of ascorbic acid (AA). High dose of AA impairs tumor growth in Apc/KRASG12D mutant mice. Previous phaseⅠclinical trials have found that high dose (1.5g/kg or 90g/m2) iv AA is well tolerated in cancer patients. This protocol is a phase Ⅲ, study of ascorbic acid (AA) infusions combined with treatment with mFOLOX6 versus mFOLOX6 alone as first-line therapy in patients with recurrent or advanced gastric cancer.
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Gastric Cancer | Malignant Gastric Neoplasm | CURATED_BROADER | 0.80 |
Interventions
Interventions (2)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| ascorbic acid | Drug | — | UNRESOLVED |
| mFOLFOX6 | Drug | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- type
- EXPERIMENTAL
- label
- Ascorbic Acid with mFOLFOX6 group
- description
- Ascorbic Acid with mFOLFOX6 Ascorbic Acid (20g/day, D1-3) every 2 weeks mFOLOX6: * Oxaliplatin 85 mg/m² d1 concurrent with * Leucovorin 400 mg/m², followed by * Bolus 5FU 400 mg/m² , followed by * Infusional 5FU 2400 mg/m² over 46 hours, every 2 weeks
- interventionNames
- Drug: ascorbic acid
- Drug: mFOLFOX6
- type
- ACTIVE_COMPARATOR
- label
- mFOLFOX6 group
- description
- mFOLOX6: * Oxaliplatin 85 mg/m² d1 concurrent with * Leucovorin 400 mg/m², followed by * Bolus 5FU 400 mg/m² , followed by * Infusional 5FU 2400 mg/m² over 46 hours, every 2 weeks
- interventionNames
- Drug: mFOLFOX6
Primary outcomes (1)
- measure
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
- Maximum age
- 75 Years
Show eligibility criteria text
Inclusion Criteria: Age≥18 years, ≤75 years; Histologically proven metastatic adenocarcinoma of stomach (stage 4 disease), unresectable metastatic disease; G6PD status \> lower limit of normal; Eastern Cooperative Oncology Group (ECOG) performance status 0 to 2; Life expectancy of at least 12 weeks; ANC ≥1,500/mm3; Hemoglobin \> 8g/dL; platelet ≥ 100,000/mm3; Laboratory at baseline evaluation for inclusion in the study: creatinine ≤1.5X upper limit \[if the creatinine is elevated, but ≤1.5X the ULN, a 24 hour ;creatinine clearance will be obtained, Creatinine clearance \> 50 mL/min (calculated according to Cockroft and Gault)\]; Transaminase (AST/ALT) ≤2.5X upper limit of normal and bilirubin levels ≤1.5X upper limit of normal without liver metastasis; Transaminase (AST/ALT) ≤5X upper limit of normal and bilirubin levels ≤1.5X upper limit of normal with liver metastasis; Women of childbearing potential will confirm a negative pregnancy test and must practice effective contraception during the study; Written informed consent Exclusion Criteria: Prior treatment for metastatic disease (adjuvant therapy with fluoropyrimidines +/-oxaliplatin based regimens allowed if stopped 12 months prior to registration on study); Surgery (excluding diagnostic biopsy) or irradiation within 3 weeks prior to study entry; Administration of any investigational drug or agent/procedure, i.e. participation in another trial within 4 weeks before beginning treatment; Concurrent chronic systemic immune therapy, chemotherapy, radiation therapy (palliative radiation therapy allowed) or hormone therapy not indicated in the study protocol; Brain metastasis (known or suspected); Pregnant or lactating women; Other uncontrolled concomitant illness, including serious uncontrolled intercurrent infection; Known allergy or any other adverse reaction to any of the drugs or to any related compound; Previous (within 5 years) or concurrent malignancies at other sites with the exception of surgically cured or adequately treated carcinoma in-situ of the cervix and basal cell carcinoma of the skin; Patients who are on strong inducers of CYP3A4 which include but are not limited to: Aminoglutethimide, Bexarotene, Bosentan, Carbamazepine, Dexamethasone, Efavirenz, Fosphenytoin, Griseofulvin, Modafinil, Nafcillin, Nevirapine, Oxcarbazepine, Phenobarbital, Phenytoin, Primidone, Rifabutin, Rifampin, Rifapentine, St. John's wort; Medical, social or psychological condition which, in the opinion of the investigator, would not permit the patient to complete the study or sign meaningful informed consent; Organ allograft requiring immunosuppressive therapy; Patients with HIV infection
References
Publications (0)
Data not yet available