D2d enrolls 1,000th participant

A participant from the MedStar Community Clinical Research Center D2d site is the 1,000th participant enrolled in D2d. The participant completed the study.    

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DSMB is pleased with recruitment progress

The D2d Data and Safety Monitoring Board (DSMB) meets twice a year to review the study’s progress. At this meeting, the DSMB is impressed with the improvement in recruitment and is pleased with enrollment metrics. The secret to the...

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D2d Investigators’ Meeting

The annual meeting of the D2d research team is held in Crystal City, MD. On Sunday evening, principal investigator Dr. Pittas presents the State of D2d. The meeting focuses on participant recruitment and retention. Site staff share their experience...

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First D2d Publication: Rationale and Design of D2d

The D2d team publishes its first manuscript related to D2d: The rationale and Design of the Vitamin D and Type 2 Diabetes (D2d) Study: A Diabetes Prevention Trial. The manuscript is published in Diabetes Care.

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D2d enrolls 500th participant

A participant at the Atlanta VA Medical Center site is the 500th participant enrolled in D2d. The participant completed the study.

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D2d enrolls 1st participant

A patient at the University of Kansas site is the 1st participant enrolled in D2d. The participant is still in D2d.

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Press release on D2d

Tufts Medical Center (where the D2d Coordinating Center is based) and NIDDK coordinate a press release to announce the official start of D2d activities.

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Participant recruitment begins

D2d begins screening people at high risk for diabetes to join D2d. Screening takes place in many medical centers throughout the United States. The first participant is screened on October 16, 2013 at the Florida Hospital Translational Research Institute...

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U.S. government shutdown delays the start of recruitment

The U.S. federal government enters a shutdown because neither legislation appropriating funds for fiscal year 2014 nor a continuing resolution for the interim authorization of appropriations are enacted before the new fiscal year begins. Participant recruitment in D2d is...

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D2d becomes the first NIDDK supported trial to use IRBShare

Obtaining IRB approval from each separate collaborating clinical site has long been considered a major reason for delaying the start of activities in multi-center trials. D2d becomes the first NIDDK-supported trial and only the fifth NIH-supported study to join...

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