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Clinical Trials/NCT07698197
NCT07698197RecruitingNot Applicable

Exercise Intervention in Primary Antibody Deficiency Disorders: A 12-week Feasibility Study

Yale University2 sites in 1 country20 target enrollmentStarted: July 17, 2026Last updated:
Conditions
Interventions

Trial Snapshot

Phase
Not Applicable
Status
Recruiting
Sponsor
Enrollment
20
Locations
2
Primary Endpoint
Recruitment rate

Study Overview

Brief Summary

The purpose of this study is to assess if a 12-week exercise program is safe, practical, and acceptable for adults with primary antibody deficiencies. It also looks at whether the program can improve the quality of life and help the immune system work better.

Detailed Description

Study activities will include:

Completion of health questionnaires Participation in a 12-week exercise program using a mobile application Having your exercise activity tracked through the mobile application Reporting any symptoms or infections that develop Providing blood samples for immune-related testing at your patient visits. Completion of assessments at the beginning and end of study

Study Design

Study Type
Interventional
Allocation
Na
Intervention Model
Single Group
Primary Purpose
Treatment
Masking
None

Eligibility Criteria

Ages
18 Years to 65 Years (Adult, Older Adult)
Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Diagnosed with one of the following primary antibody deficiencies: IgG subclass deficiency, selective IgA deficiency, selective IgM deficiency, or specific antibody deficiency
  • Receiving care in the Section of Rheumatology, Allergy & Immunology
  • Able and willing to participate in a moderate-intensity exercise program. Patients will be screened using the American College of Sports Medicine (ACSM) Pre- participation Screening Guidelines. This algorithm assesses patients for cardiovascular, renal, and metabolic disease. Those patients determined to not require further medical clearance to participate in exercise will be included.

Exclusion Criteria

  • Receipt of immunoglobulin (Ig) replacement therapy
  • Use of immunosuppressive or immunomodulatory medications (e.g., chronic systemic corticosteroids, B-cell-depleting therapies)
  • Medical contraindications to moderate-intensity exercise as determined by clinical assessment using the previously discussed ACSM Pre-participation Screening Guidelines.
  • Other risk factors/medical conditions that would limit safe participation in exercise as determined by clinical assessment, including active rheumatologic conditions including active rheumatoid arthritis.

Arms & Interventions

App-based exercise intervention

Experimental

12-week, app-based exercise intervention in adults with primary antibody deficiencies with completion of survey procedures and collection of clinical and laboratory data

Intervention: App-based exercise intervention (Behavioral)

Outcomes

Primary Outcomes

Recruitment rate

Time Frame: Day 1

Number and proportion of eligible individuals who enroll

Retention rate

Time Frame: 12 weeks

Number of enrolled participants who complete the 12-week study

Frequency of app usage- Adherence

Time Frame: 12 weeks

Mean number of times app was utilized

Duration of workout- Adherence

Time Frame: 12 weeks

Mean duration of workout in minutes

Mean score Borg Scale of Rating of Perceived Exertion

Time Frame: 12 weeks

Measures exertion on a total scale of 0 (no exertion or resting) to 10 (pushing yourself to the max).

Data completeness

Time Frame: 12 weeks

Proportion of expected study data successfully collected at each time point

Secondary Outcomes

No secondary outcomes reported

Investigators

Sponsor
Yale University
Sponsor Class
Other
Responsible Party
Sponsor

Study Sites (2)

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