NCT04528615

Brief Summary

The study was a two-arm, randomized controlled trial in which cancer survivors were evenly assigned to either receive the 8-week CCK in-person nutrition intervention immediately or to become the control group that received a selection of CCK printed materials. The aim was to test the effectiveness of CCK for implementing a healthy plant-based diet and improving quality of life.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
53

participants targeted

Target at P25-P50 for not_applicable cancer

Timeline
Completed

Started Apr 2019

Shorter than P25 for not_applicable cancer

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

April 30, 2019

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 12, 2019

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

October 8, 2019

Completed
10 months until next milestone

First Submitted

Initial submission to the registry

August 17, 2020

Completed
10 days until next milestone

First Posted

Study publicly available on registry

August 27, 2020

Completed
Last Updated

August 27, 2020

Status Verified

August 1, 2020

Enrollment Period

3 months

First QC Date

August 17, 2020

Last Update Submit

August 24, 2020

Conditions

Outcome Measures

Primary Outcomes (8)

  • Knowledge about the role of a plant-based diet in cancer risk reduction

    Change from baseline in knowledge about role of consuming a predominantly plant-based diet and cancer risk. Participants rated their agreement (1 = Strongly disagree; 5 = Strongly agree) with six custom items developed by the research team, e.g., "I understand the benefits of consuming whole grains versus processed grains". A composite score was calculated as the average of the 6 ratings (range 1-5; Cronbach's alpha=.80).

    9 weeks

  • Knowledge about the role of a plant-based diet in cancer risk reduction

    Change from baseline in knowledge about role of consuming a predominantly plant-based diet and cancer risk. Participants rated their agreement (1 = Strongly disagree; 5 = Strongly agree) with six custom items developed by the research team, e.g., "I understand the benefits of consuming whole grains versus processed grains". A composite score was calculated as the average of the 6 ratings (range 1-5; Cronbach's alpha=.80).

    15 weeks

  • Confidence preparing a variety of plant-based foods

    Change from baseline in confidence to prepare a variety of plant-based foods. Participants indicated "How sure are you that you could prepare the foods listed below in a tasty way?" (1 = Very unsure; 5 = Very sure). The 14-item scale included: 4 whole grains; 4 beans, seeds and legumes; 3 green leafy vegetables; and 3 mixed foods, e.g. healthy one-pot meals. A composite score was calculated as the average of the 14 items (range 1-5; Cronbach's alpha=.75).

    9 weeks

  • Confidence preparing a variety of plant-based foods

    Change from baseline in confidence to prepare a variety of plant-based foods. Participants indicated "How sure are you that you could prepare the foods listed below in a tasty way?" (1 = Very unsure; 5 = Very sure). The 14-item scale included: 4 whole grains; 4 beans, seeds and legumes; 3 green leafy vegetables; and 3 mixed foods, e.g. healthy one-pot meals. A composite score was calculated as the average of the 14 items (range 1-5; Cronbach's alpha=.75).

    15 weeks

  • Skills to practice a plant-based diet

    Change from baseline in skills to practice a plant-based diet. Participants rated their agreement (1 = Strongly disagree; 5 = Strongly agree) with five custom items developed by the research team, e.g., "I am confident that I can create a kitchen environment that makes it easier to store, prepare, and consume fruits, vegetables, whole grains, and beans."; the average of the five ratings was calculated to create a skills composite score (range 1-5; Cronbach's alpha=.88).

    9 weeks

  • Skills to practice a plant-based diet

    Change from baseline in skills to practice a plant-based diet. Participants rated their agreement (1 = Strongly disagree; 5 = Strongly agree) with five custom items developed by the research team, e.g., "I am confident that I can create a kitchen environment that makes it easier to store, prepare, and consume fruits, vegetables, whole grains, and beans."; the average of the five ratings was calculated to create a skills composite score (range 1-5; Cronbach's alpha=.88).

    15 weeks

  • Barriers to eating more fruits and vegetables and whole grains

    Change from baseline in barriers to eating more fruits and vegetables and whole grains. We adapted items from an existing barriers instrument to measure perceived barriers to eating more fruits and vegetables (F\&V) (average score of 15 items; Cronbach's alpha = .89) and whole grains (average score of 14 items; Cronbach's alpha = .83). Participants were asked the general question, "Listed below are some common reasons why people don't eat more servings of vegetables and fruits each day. Indicate whether or not this is a reason for you by marking how much you agree or disagree." (1 = Strongly disagree; 5 = Strongly agree). In addition, using the same list of possible reasons (excluding spoil too quickly), participants indicated whether it was a common reason they didn't eat more servings of whole grains. Example reasons included: take too much time to prepare; my family doesn't like them; hard to find a variety of good ones.

    9 weeks

  • Barriers to eating more fruits and vegetables and whole grains

    Change from baseline in barriers to eating more fruits and vegetables. We adapted items from an existing barriers instrument to measure perceived barriers to eating more fruits and vegetables (F\&V) (average score of 15 items; Cronbach's alpha = .89) and whole grains (average score of 14 items; Cronbach's alpha = .83). Participants were asked the general question, "Listed below are some common reasons why people don't eat more servings of vegetables and fruits each day. Indicate whether or not this is a reason for you by marking how much you agree or disagree." (1 = Strongly disagree; 5 = Strongly agree). In addition, using the same list of possible reasons (excluding spoil too quickly), participants indicated whether it was a common reason they didn't eat more servings of whole grains. Example reasons included: take too much time to prepare; my family doesn't like them; hard to find a variety of good ones.

    15 weeks

Study Arms (2)

CCK In-Person Sessions

EXPERIMENTAL

This group received the in-person CCK intervention.

Behavioral: CCK In-Person Sessions

CCK Printed Materials

ACTIVE COMPARATOR

This group received select printed CCK materials.

Behavioral: CCK Printed Materials

Interventions

This group attended eight weeks of nutrition education-focused experiential learning.

CCK In-Person Sessions

This group did not attend any in-person sessions and was only provided with select CCK written materials.

CCK Printed Materials

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may not qualify if:

  • Need to have ever been diagnosed with cancer to be eligible
  • Need to have not participated in a Living Plate cooking program
  • Need to be able to attend at least seven of the eight sessions of the series with mandatory first and last sessions
  • Need to have completed active cancer treatment (not including hormonal or other similar agents, e.g., tamoxifen)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Cancer Support Community Los Angeles

Los Angeles, California, 90025, United States

Location

Related Links

MeSH Terms

Conditions

Neoplasms

Study Officials

  • Melissa Miller, PhD

    American Institute for Cancer Research

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 17, 2020

First Posted

August 27, 2020

Study Start

April 30, 2019

Primary Completion

August 12, 2019

Study Completion

October 8, 2019

Last Updated

August 27, 2020

Record last verified: 2020-08

Locations