NCT05059639

Brief Summary

The COVID-19 pandemic highlights the importance of good nutritional status for immune strength and for reducing comorbidities that increase morbidity and mortality of infections. The major aim of this study is test if almond consumption can improve immune function.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
48

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Nov 2021

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

First Submitted

Initial submission to the registry

March 5, 2021

Completed
7 months until next milestone

First Posted

Study publicly available on registry

September 28, 2021

Completed
2 months until next milestone

Study Start

First participant enrolled

November 15, 2021

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 15, 2023

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

November 15, 2024

Completed
Last Updated

January 31, 2025

Status Verified

January 1, 2025

Enrollment Period

2 years

First QC Date

March 5, 2021

Last Update Submit

January 29, 2025

Conditions

Keywords

Almonds

Outcome Measures

Primary Outcomes (1)

  • change in Natural Killer Function

    The ability of peripheral blood mononuclear cells to bind and kill leukemia cells will be measured at baseline and at week-8 of the diet intervention using flowcytometry by assessing the concentration of natural killer cells.

    Baseline, after 8 weeks

Secondary Outcomes (1)

  • change in Cytokines

    Baseline, after 8 weeks

Study Arms (2)

Almond (2 ounces)

EXPERIMENTAL

Consume 2 ounces almond daily for 8 weeks

Other: Almond

Pretzel

ACTIVE COMPARATOR

Consume comparative amount of pretzel for 8 weeks

Other: Pretzel

Interventions

AlmondOTHER

Consume 2 ounces of almond daily for 8 weeks

Almond (2 ounces)
PretzelOTHER

Consume comparative amount of pretzel daily for 8 weeks

Pretzel

Eligibility Criteria

Age40 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Healthy male and female subjects aged 40-65 y
  • Body mass index (BMI) 24-30 kg/m.2

You may not qualify if:

  • Not willing to stop taking multivitamins, and supplements (with the exception of vitamin D and calcium), for 30 days prior to or during study participation, if currently taking these.
  • Almond allergies
  • Alcohol consumption \>2 drinks per day.
  • Smoking or using nicotine containing products in the last 6 months.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Mark Kern, PhD, RD

San Diego, California, 92182-7251, United States

Location

Study Officials

  • Shirin Hooshmand, PhD, RD

    San Diego State University

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
OTHER
Intervention Model
PARALLEL
Model Details: forty-eight overweight/non-obese (BMI=24-30) adult (ages 40-65 years) men (n=24) and women (n=24) will be recruited to participate. A randomized, parallel-arm design will be utilized.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

March 5, 2021

First Posted

September 28, 2021

Study Start

November 15, 2021

Primary Completion

November 15, 2023

Study Completion

November 15, 2024

Last Updated

January 31, 2025

Record last verified: 2025-01

Data Sharing

IPD Sharing
Will not share

Locations