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Status unknownNCT03590262Updated Jul 20, 2018

Effect of Metformin as add-on Therapy on Glycemic Control and Other Outcomes in Type 1 Diabetes

A Phase 4 interventional study of Metformin in Type 1 Diabetes Mellitus and Metformin, sponsored by Shenzhen People's Hospital. Status unknown at 1 site in China. Open to participants aged 18 Years to 60 Years. Per ClinicalTrials.gov, last updated 2018-07-20.

Sponsored by Shenzhen People's Hospital · Phase 4, Interventional, and Treatment

The sponsor has not verified this record recently (last verified May 2018), so the status shown — last known as Recruiting — may be out of date.

From the registry’s dates

  • Registered 6 months after the study started (first participant enrolled Jan 2018, registered Jul 2018).
Phase
Phase 4
Study type
Interventional
Enrollment
20
Allocation
Not applicable
Ages
18 Years to 60 Years
Sex
All
01

Study summary

Aim Evidence of a possible connection between gut microbiota and several physiological processes linked to type 1 diabetes is increasing. However, the effect of multistrain probiotics in people with type 1 diabetes remains unclear. This study investigated the effect of metformin as add-on therapy on glycemic control and other diabetes-related outcomes in people with type 1 diabetes.

Read the detailed description

Design An open-label, add-on, self-control clinical trial. Setting Diabetes clinic of a teaching hospital in Shenzhen China Participants A total of 20 participants with type 1 diabetes, aged 18-60 years, will be recruited and treated with metformin as add-on therapy with insulin for 12 weeks.

Outcomes Primary outcomes were glycemic control related parameters, and secondary outcomes were anthropomorphic variables, lipid profile, blood pressure and high-sensitivity C-reactive protein. The gut microbiota profile will be analyzed before and after intervention .

02

Conditions studied

  • Type 1 Diabetes Mellitus
  • Metformin
03

In context

Diabetes Mellitus

10,925 studies on the registry are indexed under Diabetes Mellitus; 1,319 are open to participants now.

This study's planned enrollment of 20 is below the median of 80 across 8,367 interventional studies indexed under Diabetes Mellitus.

Browse Diabetes Mellitus studies →

Lead sponsor

Shenzhen People's Hospital is the lead sponsor of 62 studies on the registry; 7 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 60 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

type 1 diabetes patients age 18-60years old 18 Kg/m2≤BMI≤30Kg/m2 ketonuria (-);

Exclusion criteria

Exclusion Criteria:

pregnancy lactation having other severe chronic illnesses taking other anti-diabetic drugs

05

Study design

Phase
Phase 4
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
20 participants (estimated)

Study arms

  • Experimental
    metformin

    patients take metformin 500mg twice or three times a day as add-on therapy to insulin for 3 months ,using self-control method.

    Drug: Metformin

Interventions

  • DrugMetformin

    take the metformin 500mg twice or three times a day

    Also known as: metformin hydrochloride tablets

06

What researchers measure

Primary outcomes

  1. Change of hemoglobin A1c in percentage

    analyze the change of hemoglobin A1c before and after the treatment

    Time frame: 3 months

Secondary outcomes

  1. Change of weight in kilograms

    analyze the change of weight in kilograms before and after the treatment

    Time frame: 3 months

07

Study locations

1 of 1 sites recruiting
  • Shenzhen People's Hospital
    Shenzhen, Guangdong 518020, China
    Recruiting
08

References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jul 20, 2018, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT03590262
Lead sponsor
Shenzhen People's Hospital
Responsible party
Sponsor
First posted
Jul 18, 2018
Start date
Jan 1, 2018
Primary completion
Mar 31, 2019 (estimated)
Completion
Sep 30, 2019 (estimated)
Last update
Jul 20, 2018

Study contacts

Xiuzhen Zhang
Contact
876538754@qq.com
86-13714902238
Ping Xu
Contact
86-13692156916
Fengyi Yuan
principal investigator · associate chief physician

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in May 2018. You cannot join it, but the record below documents what was studied.

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