Evaluation of a Couple-Based Physical Activity Intervention

September 22, 2025 updated by: Mayo Clinic

Mates in Motion: Feasibility and Acceptability of a Couple-Based Physical Activity Intervention

This clinical trial tests how well a couple-based physical activity (PA) intervention, Mates in Motion, works in patients undergoing hematopoietic cell transplantation (HCT) or chimeric antigen receptor T-cell therapy (CART) and their care giving partners to be more physically active. Mates in Motion provides training in communication skills and behavior change techniques to help HCT patient-caregiver dyads support one another in adoption and maintenance of PA. This study may help researchers determine if a couple-based PA intervention improves PA, physical endurance and global physical health among patient-care giver dyads undergoing HCT or CART.

Study Overview

Detailed Description

PRIMARY OBJECTIVES:

I. To determine feasibility of recruitment, adherence, and retention of a couple-based PA intervention in a pilot randomized controlled trial (RCT).

II. Determine acceptability of the intervention (multiple dimensions of treatment satisfaction).

III. Describe changes in PA, physical endurance, and global physical health from baseline to follow-up as a function of randomized condition.

OUTLINE: Patient-caregiver dyads are randomized to 1 of 2 arms.

ARM I: Dyads participate in the Mates in Motion program consisting of weekly sessions to train couples in the use of communal coping strategies to support one another in achieving PA goals and skill building focus on instruction and practice in effective communication, with emphases on adaptive speaking, responsive listening, and joint decision-making and problem-solving around PA over 8 weeks. Patient-partner dyads receive weekly step-count goals, complete walk-tests and questionnaires and wear an Actigraph device and Garmin activity tracker on study.

ARM II: Patient-partner dyads wear an Actigraph device, compete walk-tests and questionnaires on study. Dyads receive usual care on study. Dyads receive a Garmin activity tracker at the end of the study.

Study Type

Interventional

Enrollment (Actual)

96

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Arizona
      • Scottsdale, Arizona, United States, 85259
        • Mayo Clinic in Arizona

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • PATIENTS: Age 18 years or older
  • PATIENTS: Scheduled to receive an autologous or allogeneic hematopoietic cell transplant (HCT) or chimeric antigen receptor (CAR)-T cell therapy
  • PATIENTS: Able to speak and comprehend English
  • PATIENTS: Being married or in a committed (self-defined) cohabiting same- or opposite-sex relationship
  • PATIENTS: Physician-approved for a walking program
  • CAREGIVERS: Age 18 years or older
  • CAREGIVERS: Able to speak and comprehend English
  • CAREGIVERS: Married to or in a committed, cohabiting, same- or opposite-sex relationship with the patient
  • CAREGIVERS: Able to participate in a walking program

Exclusion Criteria:

  • None per se beyond the converse of the inclusions listed above, for example, age younger than 18 years and non-partnered

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Supportive Care
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Arm I (Mates in Motion)
Dyads participate in the Mates in Motion program consisting of weekly sessions to train couples in the use of communal coping strategies to support one another in achieving PA goals and skill building focus on instruction and practice in effective communication, with emphases on adaptive speaking, responsive listening, and joint decision-making and problem-solving around PA over 8 weeks. Patient-partner dyads receive weekly step-count goals, complete walk-tests and questionnaires and wear an Actigraph device and Garmin activity tracker on study.
Complete questionnaires
Receive walking step goals
Participate in Mates in Motion program
Wear Actigraph
Undergo walk-test
Other Names:
  • Physical Fitness Testing
  • Physical Function Testing
Wear Garmin activity tracker
Active Comparator: Arm II (usual care)
Patient-partner dyads wear an Actigraph device, compete walk-tests and questionnaires on study. Dyads receive usual care on study. Dyads receive a Garmin activity tracker at the end of the study.
Receive usual care
Other Names:
  • standard of care
  • standard therapy
Complete questionnaires
Wear Actigraph
Undergo walk-test
Other Names:
  • Physical Fitness Testing
  • Physical Function Testing
Wear Garmin activity tracker

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Observed recruitment
Time Frame: At baseline
Will be assessed by the percentage of eligible patient-partner couples agreeing to participate
At baseline
Intervention adherence
Time Frame: 8 weeks
Will be assessed by the number of intervention sessions attended.
8 weeks
Actigraph wear adherence
Time Frame: 8 weeks
Will be assessed by the number of valid wear days.
8 weeks
Retention
Time Frame: At 100 days post-hematopoietic cell transplant (HCT)
Will be assessed by the number of post-intervention follow-up assessments completed.
At 100 days post-hematopoietic cell transplant (HCT)
Garmin wear adherence
Time Frame: 8 weeks
Will be assessed by the number of valid wear days.
8 weeks

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Acceptability of the intervention
Time Frame: At 100 days post-hematopoietic cell transplant (HCT)
Will be assessed among patients and caregivers and will examine ratings for the following treatment satisfaction domains relative to the scale midpoint: suitability, utility, attitude toward treatment, desire for continued treatment use, therapist competence, therapist interpersonal style, format and dose, and perceived benefits.
At 100 days post-hematopoietic cell transplant (HCT)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Investigators

  • Principal Investigator: Nandita Khera, MD, MPH, Mayo Clinic

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

March 11, 2024

Primary Completion (Actual)

September 3, 2025

Study Completion (Actual)

September 3, 2025

Study Registration Dates

First Submitted

October 2, 2023

First Submitted That Met QC Criteria

October 2, 2023

First Posted (Actual)

October 10, 2023

Study Record Updates

Last Update Posted (Estimated)

September 24, 2025

Last Update Submitted That Met QC Criteria

September 22, 2025

Last Verified

September 1, 2025

More Information

Terms related to this study

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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