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Metformin and omeprazole induce enhanced high-dose vitamin C in the treatment of advanced malignant tumors

Metformin and omeprazole induce enhanced high-dose vitamin C in the treatment of advanced malignant tumors

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2200057842
Enrollment
Unknown
Registered
2022-03-19
Start date
2022-03-14
Completion date
Unknown
Last updated
2023-11-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Advanced malignant tumors

Interventions

Study Group:Vitamin C injection
Study Group:Omeprazole injection

Sponsors

The First Affiliated Hospital of Sun Yat-Sen University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Aged over 18 years old; 2. Pathologically proven locally advanced, metastatic, or recurrent solid malignancies that have failed standard therapy, are unable to benefit from standard therapy as assessed by oncologists, or are unwilling to undergo standard therapy; 3. At least one measurable lesion under PET/CT evaluation; 4. Expected survival period is more than 3 months; 5. Physical condition ECOG score 0-2 points; 6. No serious abnormal blood system, heart and lung function, good blood system and end-organ function: ANC >= 1500 mm3, platelets >= 100,000/mm3, hemoglobin >= 9 g/dL, serum creatinine 50 mL/min; bilirubin <= 1.5 mg/dL; alanine aminotransferase (ALT), aspartate transaminase (AST) <= 2.5 times the upper limit of normal.

Exclusion criteria

Exclusion criteria: 1. Received chemotherapy or targeted therapy within 2 weeks; 2. Glucose 6-phosphate dehydrogenase (G6PD) deficiency; 3. Oxalic acid kidney stones; 4. Patients with high iron load, hemochromatosis or hemosiderosis; 5. Active heart disease and other uncontrolled serious diseases; 6. Pregnant or breastfeeding.

Design outcomes

Secondary

MeasureTime frame
Objective response rate;Progression-free survival;Overall survival;

Primary

MeasureTime frame
Disease control rate;

Countries

China

Contacts

Public ContactZhang Xiangsong

The First Affiliated Hospital of Sun Yat-Sen University

zhxiangs@mail.sysu.edu.cn+86 18902233613

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 11, 2026