NCT03691194

Brief Summary

The purpose of this graduate student research study is to determine the effects of drinking eight ounces of fresh vs. commercial orange juice on blood pressure in males with normal blood pressure.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
17

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Oct 2018

Shorter than P25 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

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 24, 2018

Completed
7 days until next milestone

First Posted

Study publicly available on registry

October 1, 2018

Completed
Same day until next milestone

Study Start

First participant enrolled

October 1, 2018

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2019

Completed
Last Updated

July 18, 2019

Status Verified

July 1, 2019

Enrollment Period

8 months

First QC Date

September 24, 2018

Last Update Submit

July 16, 2019

Conditions

Outcome Measures

Primary Outcomes (1)

  • blood pressure

    Three readings will be taken each time and average them. If the subject's blood pressure is considered too high or low at any of the visits, they will be dropped from the study and we will suggest to them to see their primary physician.

    change from baseline to 4 weeks

Secondary Outcomes (1)

  • Perceived Stress Scale (PSS)

    change from baseline to 4 weeks

Study Arms (2)

fresh orange juice

EXPERIMENTAL

Subject will take 8 ounces of fresh orange every day for 28 days.

Dietary Supplement: fresh orange juice

concentrated orange juice

ACTIVE COMPARATOR

Subject will take 8 ounces of concentrated orange juice every day for 28 days.

Dietary Supplement: concentrated orange juice

Interventions

fresh orange juiceDIETARY_SUPPLEMENT

The fresh oranges will be bought from Sysco. They will be squeezed at the kitchen of School of Allied Health Professional with a juicer. They will either be squeezed the night before or on the same day. The juice will not be treated with additional preservatives or sugar. The brand of the juicer is Kitchen Aid. Eight ounces of fresh orange juice needs approximately two and half oranges. They will be put into 32 oz water bottles that were bought from Sysco, and then store them in the refrigerator. They will be given to the subjects every three or four days.

fresh orange juice
concentrated orange juiceDIETARY_SUPPLEMENT

The concentrated orange juice will be bought from Sysco then reconstituted. One part of concentrated orange juice needs four parts of water to reconstitute. Then, it will be measured and the reconstituted orange juice will be put into 32 oz water bottles that we bought from Sysco. They will be stored in the refrigerator. The subjects will need to get the reconstituted orange juice every three or four days.

concentrated orange juice

Eligibility Criteria

Age18 Years - 59 Years
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Loma Linda Universtiy

Loma Linda, California, 92350, United States

Location

Study Officials

  • Cory Gheen, MS RD

    Loma Linda University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
OTHER
Intervention Model
CROSSOVER
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assistant Professor

Study Record Dates

First Submitted

September 24, 2018

First Posted

October 1, 2018

Study Start

October 1, 2018

Primary Completion

June 1, 2019

Study Completion

June 1, 2019

Last Updated

July 18, 2019

Record last verified: 2019-07

Locations