The effect of vitamin C on type 2 diabetes patient.

A clinical trial to compare the effectiveness of vitamin C with placebo on fast blood sugar and hemoglobin A1C levels on type 2 diabetes patient.

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

IRCT

Registry ID

IRCT20180627040253N1

Enrollment

Registered

2018-07-02

Start date

2018-10-02

Completion date

Unknown

Last updated

2018-09-11

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

Conditions

Type 2 diabetes. Type 2 diabetes mellitus

Interventions

Intervention 1: Control group: who are revising 4 tablets of 250 mg of placebo (Having same color of vitamin C tablets without any active ingredient) per day for 3 months. Fast blood sugar (FBS), hemo

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with type 2 diabetes who receive only oral diabetes treatment that have not changed their treatment for last three months Having HbA1c less than 8

Exclusion criteria

Exclusion criteria: Having kidney stones, , , , GFR less than 60 Having gestational diabetes Insulin-treated patients pregnant women

Design outcomes

Primary

Measure	Time frame
The amount of fast blood sugar (FBS), hemoglobin A1C (HbA1C), Cholesterol, triglyceride (TG), HDL and LDL levels. Timepoint: before, and 3 months after intervention. Method of measurement: Laboratory experiment.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactBehzad Razavi

Mashhad University of Medical Sciences

razavib@mums.ac.ir+98 51 3802 2000

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026