NCT00892554

Brief Summary

The purpose of this study is to determine if taking supplemental DHA improves measures of processing speed and executive function in teen and adult women with PKU.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
33

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Jun 2007

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

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

June 1, 2007

Completed
1.9 years until next milestone

First Submitted

Initial submission to the registry

May 1, 2009

Completed
3 days until next milestone

First Posted

Study publicly available on registry

May 4, 2009

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2010

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2010

Completed
Last Updated

December 11, 2015

Status Verified

December 1, 2015

Enrollment Period

2.6 years

First QC Date

May 1, 2009

Last Update Submit

December 9, 2015

Conditions

Keywords

PhenylketonuriasDocosahexaenoic AcidsNeuropsychological TestsFemaleAdolescentAdult

Outcome Measures

Primary Outcomes (2)

  • Cognitive processing speed

    0 months, 4.5 months

  • Executive function

    0 months, 4.5 months

Secondary Outcomes (1)

  • Plasma and red blood cell DHA concentrations

    0 months, 4.5 months

Study Arms (2)

DHA supplementation

EXPERIMENTAL
Dietary Supplement: Docosahexaenoic Acid

corn/soy capsule, no DHA

PLACEBO COMPARATOR
Dietary Supplement: Corn/soy oil

Interventions

Docosahexaenoic AcidDIETARY_SUPPLEMENT

Capsules providing 10 mg DHA/kg body weight/day taken once daily

Also known as: DHASCO-S
DHA supplementation
Corn/soy oilDIETARY_SUPPLEMENT

Capsules taken once daily

corn/soy capsule, no DHA

Eligibility Criteria

Age12 Years - 50 Years
Sexfemale
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)

You may qualify if:

  • Females
  • Phenylketonuria
  • Ages 12 years and older
  • Able to complete neuropsychological testing

You may not qualify if:

  • Pregnancy
  • Currently taking DHA supplement

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Emory University

Atlanta, Georgia, 30322, United States

Location

Related Publications (1)

  • Yi SH, Kable JA, Evatt ML, Singh RH. A randomized, placebo-controlled, double-blind trial of supplemental docosahexaenoic acid on cognitive processing speed and executive function in females of reproductive age with phenylketonuria: A pilot study. Prostaglandins Leukot Essent Fatty Acids. 2011 Dec;85(6):317-27. doi: 10.1016/j.plefa.2011.09.004. Epub 2011 Oct 14.

Related Links

MeSH Terms

Conditions

Phenylketonurias

Interventions

Docosahexaenoic Acids

Condition Hierarchy (Ancestors)

Brain Diseases, Metabolic, InbornBrain Diseases, MetabolicBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesAmino Acid Metabolism, Inborn ErrorsMetabolism, Inborn ErrorsGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesMetabolic DiseasesNutritional and Metabolic Diseases

Intervention Hierarchy (Ancestors)

Fatty Acids, Omega-3Dietary Fats, UnsaturatedDietary FatsFatsLipidsFatty Acids, UnsaturatedFatty AcidsFish OilsOils

Study Officials

  • Rani H. Singh, PhD, RD, LD

    Emory University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

May 1, 2009

First Posted

May 4, 2009

Study Start

June 1, 2007

Primary Completion

January 1, 2010

Study Completion

January 1, 2010

Last Updated

December 11, 2015

Record last verified: 2015-12

Locations