NCT00428376

Brief Summary

This is a randomized controlled trial of distributing blocks to children ages 1.5 -2.5 years of age to see if language acquisition improves.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
200

participants targeted

Target at P75+ for not_applicable healthy

Timeline
Completed

Started Sep 2005

Typical duration for not_applicable healthy

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 1, 2005

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2006

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2006

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

January 26, 2007

Completed
4 days until next milestone

First Posted

Study publicly available on registry

January 30, 2007

Completed
Last Updated

September 29, 2008

Status Verified

September 1, 2008

Enrollment Period

1 year

First QC Date

January 26, 2007

Last Update Submit

September 25, 2008

Conditions

Healthy

Outcome Measures

Primary Outcomes (1)

  • Macarthur Bates Language Inventory

Secondary Outcomes (2)

  • TV viewing

  • Block play

Interventions

Building BlocksDEVICE

Eligibility Criteria

Age18 Months - 30 Months
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)

You may qualify if:

  • healthy children

You may not qualify if:

  • developmental delay, non-English

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Officials

  • Dimitri Christakis, MD MPH

    University of Washington

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER

Study Record Dates

First Submitted

January 26, 2007

First Posted

January 30, 2007

Study Start

September 1, 2005

Primary Completion

September 1, 2006

Study Completion

September 1, 2006

Last Updated

September 29, 2008

Record last verified: 2008-09