Completed OBSERVATIONAL NCT01136512

Metformin Use and Vitamin B12 Deficiency

Sponsor: Northwell Health

Conditions Type 2 Diabetes Mellitus Vitamin B12 Deficiency

Updated 6 times since 2017 Last updated: Jul 29, 2013 Started: Aug 31, 2007 Primary completion: Dec 31, 2008 Completion: Dec 31, 2008

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A observational or N/A phase clinical study on Type 2 Diabetes Mellitus and Vitamin B12 Deficiency, this trial is completed. The trial is conducted by Northwell Health and has accumulated 6 data snapshots since 2007. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

Change History

6 versions recorded

Sep 2024 — Present [monthly]

Completed
Jul 2024 — Sep 2024 [monthly]

Completed
Jan 2021 — Jul 2024 [monthly]

Completed
Jun 2018 — Jan 2021 [monthly]

Completed
Apr 2018 — Jun 2018 [monthly]

Completed

Phase: NA → None

▶ Show 1 earlier version

Jan 2017 — Apr 2018 [monthly]

Completed NA

First recorded

Aug 2007

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Northwell Health

Data source: Northwell Health

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Staten Island, United States