Breathwork App for Cancer Survivors
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ClinicalTrials.gov Identifier: NCT05161260 |
Recruitment Status :
Recruiting
First Posted : December 17, 2021
Last Update Posted : August 1, 2022
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Condition or disease | Intervention/treatment | Phase |
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Breast Cancer | Behavioral: Yoga Breathing Behavioral: Attention Control | Not Applicable |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 40 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Single (Participant) |
Primary Purpose: | Supportive Care |
Official Title: | Pilot Study of Group Video Yogic Breathing App in Breast Cancer Survivors |
Actual Study Start Date : | November 17, 2021 |
Estimated Primary Completion Date : | May 31, 2023 |
Estimated Study Completion Date : | May 31, 2023 |

Arm | Intervention/treatment |
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Experimental: Yoga Breathing (YB)
A first production version of a mobile application that guides users through proscribed yoga breathing exercises.
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Behavioral: Yoga Breathing
For the12 weeks, participants will be asked to use the mobile study app, completing 3, 10 minute exercises, 5 days a week. Participants in the Yoga Breathing group will practice a breathing exercise guided by the mobile study application. The application will also send "nudges" and reminders throughout the day. Participants will engage with the research study app along with other participants in groups of 2-7 at their own convenience. Participants may practice their breathing activity with either a group of participants, through the video conferencing feature of the app, or on their own. The study instructor may join sessions on a random basis to ensure compliance with the technique and to clarify any questions participants may have.
Other Name: YB |
Experimental: Attention Control
A first production version of a mobile application that guides users through an attention control activity, presented as methods for mindfulness.
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Behavioral: Attention Control
For the12 weeks, participants will be asked to use the mobile study app, completing 3, 10 minute exercises, 5 days a week. Participants in the Attention Control group will practice a mindfulness exercise guided by the mobile study application. The application will also send "nudges" and reminders throughout the day. Participants will engage with the research study app along with other participants in groups of 2-7 at their own convenience. Participants may practice their mindfulness activity with either a group of participants, through the video conferencing feature of the app, or on their own. The study instructor may join sessions on a random basis to ensure compliance with the technique and to clarify any questions participants may have.
Other Name: Mindfulness |
- Total practice time as assessed in minutes within the study application. [ Time Frame: 12 weeks ]Adherence will be evaluated by assessing total practice times by length in minutes.
- Total practice time as assessed in frequency of using the study application. [ Time Frame: 12 weeks ]Adherence will be evaluated by assessing total practice times by total number of times per day using the application.
- Participants' symptom management as measured by emotional disposition. [ Time Frame: 12 weeks ]Acceptability measures the participant's symptom management throughout the study duration. Participant's emotional disposition at the beginning and end of each study session with the Smiley Face Likert Scale, exhibiting as Very Poor, Poor, Average, Good, or Excellent to measure participants' acceptability of the study application.
- Participants' symptom management as measured by the System Usability Scale. [ Time Frame: 12 weeks ]Acceptability measures the participant's symptom management throughout the study duration. This is measured using The System Usability Scale (SUS) questionnaire, a 10 item questionnaire with 5 response options ranging from 'Strong Agree' to 'Strong Disagree'. The questionnaire will be administered at the end of 12 weeks to measure participants' acceptability of the study application.
- Participants' symptom management as measured by a focus group. [ Time Frame: 12 weeks ]Acceptability measures the participant's symptom management throughout the study duration. Input from end of study Focus Groups will be used to measure participants' acceptability of the study application.
- Feasibility of study application measured by participant ability to perform all study procedures. [ Time Frame: 12 weeks ]Feasibility for use of study application will be measured by evaluating intervention delivery factors, which will be evaluated throughout the program period by examining the total number of participants who completed all study sessions.
- Behavioral Survey Measures through Perceived Stress. [ Time Frame: 12 weeks ]Behavioral survey measures will be collected from all participants at study start and study termination using established questionnaires: Perceived Stress Scale (PSS), a 10 item questionnaire with 5 response options ranging from 'Never' to 'Very Often', with 'Very Often' being a worse outcome.
- Behavioral Survey Measures through Depression Scale. [ Time Frame: 12 weeks ]Behavioral survey measures will be collected from all participants at study start and study termination using established questionnaires: Depression Scale, a questionnaire with 4 response options ranging from 'Not at all' to 'Most of the time', with 'Most of the time' being a worse outcome.
- Behavioral Survey Measures through MD Anderson Symptom Inventory. [ Time Frame: 12 weeks ]Behavioral survey measures will be collected from all participants at study start and study termination using established questionnaires: MD Anderson Symptom Inventory, a 13 symptom list with responses on a scale of 0 to 10, with 10 being the worst outcome.
- Study participant focus group interviews. [ Time Frame: 16 weeks ]Structured focus group interviews completed approximately 1 month after the end of the 12 week intervention. This will assess participants' general perceptions of the intervention and technology. During these interviews, data will be collected to identify recommendations for app modifications and improved adherence.
- Exploratory salivary biomarkers to indicate changes. [ Time Frame: 12 weeks ]Participants will each be asked to provide a total of 8 saliva samples (1 pre and post study session at Week 1 and Week 12). Proteomic, multiplex, and ELISA will be used to measure changes in cytokines, tumor suppressors, and cortisol.
- Exploratory fingernail biomarkers to indicate changes. [ Time Frame: 12 weeks ]Participants will each be asked to provide a total of 16 fingernail samples (8 at Week 1 and 8 at Week 12). Proteomic, multiplex, and ELISA will be used to measure changes in cytokines, tumor suppressors, and cortisol.

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | Female |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Age 18 years or older, willing to provide informed consent.
- Diagnosis of Stage 0-III breast cancer.
- Completion of radiation therapy within the last 6 months.
- ECOG performance status of 0-3 during cancer treatment.
- Orally expressed visual and auditory acuity adequate for filling out all study forms and participating in telephone interviews and internet-based group video applications.
- Access to telephone and internet-connected computer or mobile phone.
Exclusion Criteria:
- Subject is unwilling or unable to comply with any of the study procedures.
- Orally expressed dependence on alcohol or drugs.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT05161260
Contact: Emily Richardson, MPH | 843-792-8352 | richaemi@musc.edu | |
Contact: Jennifer Harper | 843-792-3271 | harperjl@musc.edu |
United States, South Carolina | |
Medical University of South Carolina | Recruiting |
Charleston, South Carolina, United States, 29425 | |
Contact: Emily Richardson, MPH 843-792-8352 richaemi@musc.edu | |
Contact: Jennifer Harper 843-792-3271 harperjl@musc.edu | |
Principal Investigator: Sundar Balasubramanian, PhD |
Principal Investigator: | Sundar Balasubramanian, PhD | PranaScience; Medical University of South Carolina |
Responsible Party: | Sundar Balasubramanian, Principal Investigator, Founder, Owner, PranaScience Institute LLC |
ClinicalTrials.gov Identifier: | NCT05161260 |
Other Study ID Numbers: |
108511 1R41CA254557-01A1 ( U.S. NIH Grant/Contract ) R41CA254557 ( U.S. NIH Grant/Contract ) |
First Posted: | December 17, 2021 Key Record Dates |
Last Update Posted: | August 1, 2022 |
Last Verified: | July 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Yes |
Time Frame: | : Individual participant data requests can be submitted starting 9 months after research article publication and the data will be made accessible for up to 24 months. Extensions will be considered on a case-by-case basis. |
Access Criteria: | "Access to trial IPD can be requested by qualified researchers engaging in independent scientific research, and will be provided following review and approval of a research proposal and Statistical Analysis Plan (SAP) and execution of a Data Sharing Agreement (DSA). For more information or to submit a request, please contact the PI. |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Breast Neoplasms Neoplasms by Site Neoplasms Breast Diseases Skin Diseases |