Evaluation of the PPAL

NCT ID: NCT07221552

Last Updated: 2025-11-06

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

NOT_YET_RECRUITING

Clinical Phase

NA

Total Enrollment

16 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-12-08

Study Completion Date

2026-08-31

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

This research study is being done to better understand the impact of the PPAL assisted toileting device. The PPAL consists of a powered, height adjustable commode chair with integrated transfer boards. The system is designed to allow the user to assist with their own transfers to/from bed or chair to the PPAL for toileting, with little manual help provided by user's caregivers. Users who require assistance with transfers and their caregivers have a high likelihood of experiencing and injury during transfers.

The purpose of this study is to evaluate the PPAL bedside commode in a home setting to better understand the impact of the device in a 6-week at home trial. Participants will be asked to schedule a home visit with the research team to screen their home and ask questions and observe the participant's current transfer methods to their toilet/commode to ensure that they and the caregiver are an appropriate candidate for the device. Once approved, a delivery date will be arranged to deliver the PPAL to the participant's home. At the end of the 6-week trial, the study team will arrange a final study visit date to retrieve the PPAL and again ask questions and observe a toilet transfer using both the PPAL and the customary commode. Finally, the investigators will interview the participant and the caregiver to ask them about their satisfaction with device. This interview will be audio recorded.

This study involves minimal risks which are expected to occur infrequently. There is the possibility that the participant could obtain a scrape, bruise, cut or pinch injury as you will be working with a device that they are not familiar with. There is also the possibility that the participant could fall when attempting to transfer to or from the device, however the investigators will thoroughly demonstrate the device and monitor your use of it to minimize this risk. There is a risk of breach of confidentiality as text messages and emails may not be encrypted or secure during their transmission or storage and it is possible they could be intercepted and used by others not associated with this study.

There will be no direct benefit to the participant from participating in the study, but it will help the developers of the PPAL better understand the opinions, needs and abilities of the caregivers and patients who may use the device.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Age Problems

Keywords

Explore important study keywords that can help with search, categorization, and topic discovery.

Activities of daily living Falls Assistive technologies

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

NA

Intervention Model

SINGLE_GROUP

This is a single group longitudinal intervention study, conducted using descriptive survey design and data logs by the user.
Primary Study Purpose

SUPPORTIVE_CARE

Blinding Strategy

NONE

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

PPAL user

This is the experimental group. These participants will trial the PPAL.

Group Type EXPERIMENTAL

PPAL

Intervention Type DEVICE

PPAL is a patented, motorized, height adjustable bedside commode with integrated transfer boards. PPAL incorporates a transfer board that moves up and down as the chair seat is raised or lowered so that the user can always perform a downhill transfer. This innovation will allow individuals with limited mobility who currently rely on caregiver assistance to transfer more independently.

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

PPAL

PPAL is a patented, motorized, height adjustable bedside commode with integrated transfer boards. PPAL incorporates a transfer board that moves up and down as the chair seat is raised or lowered so that the user can always perform a downhill transfer. This innovation will allow individuals with limited mobility who currently rely on caregiver assistance to transfer more independently.

Intervention Type DEVICE

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Age 18 years or above
* Weighs 300 pounds or less and is able to fit within the dimensions of the PPAL - Has difficulty with getting on or off a toilet or commode at any point in a typical 24-hour period
* Resides in either a home, independent living residence, assisted living or extended care residence
* Able to maintain sitting balance independently (without human assistance) for at least 2 minutes
* If sitting for longer than 2 minutes (with or without assistance), does not get dizzy or lightheaded - residence is able to accommodate the PPAL in the Bedroom or designated space.


* Age 18 years or above
* Formal/paid or informal/unpaid caregiver for the patient participant (toileter) who provides toileting assistance at least 3 days per week

Exclusion Criteria

* Ventilator users
* Free of acute medical events within the last 3 months
* Had Stage 2 or greater pressure ulcer within the last 3 months
* Upcoming planned medical procedures or surgeries in the next 3 months.


-Physical limitations that prevent caregiver from manually assisting with PPAL transfer or from maneuvering the PPAL around the end-user's residence
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

QUA Inc.

UNKNOWN

Sponsor Role collaborator

National Institute of Nursing Research (NINR)

NIH

Sponsor Role collaborator

National Institutes of Health (NIH)

NIH

Sponsor Role collaborator

Alicia Koontz

OTHER

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Alicia Koontz

Professor - School of Health and Rehabilitation Science

Responsibility Role SPONSOR_INVESTIGATOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Alicia M Koontz, PhD

Role: PRINCIPAL_INVESTIGATOR

University of Pittsburgh

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

University of Pittsburgh: Human Engineering Research Laboratories

Pittsburgh, Pennsylvania, United States

Site Status

Countries

Review the countries where the study has at least one active or historical site.

United States

Central Contacts

Reach out to these primary contacts for questions about participation or study logistics.

Nikitha Deepak, MS

Role: CONTACT

Phone: 412-822-3669

Email: [email protected]

Edward J McClain, MA

Role: CONTACT

Email: [email protected]

References

Explore related publications, articles, or registry entries linked to this study.

Gagnon MP, Orruno E, Asua J, Abdeljelil AB, Emparanza J. Using a modified technology acceptance model to evaluate healthcare professionals' adoption of a new telemonitoring system. Telemed J E Health. 2012 Jan-Feb;18(1):54-9. doi: 10.1089/tmj.2011.0066. Epub 2011 Nov 14.

Reference Type BACKGROUND
PMID: 22082108 (View on PubMed)

Friesen EL. Measuring AT Usability with the Modified System Usability Scale (SUS). Stud Health Technol Inform. 2017;242:137-143.

Reference Type BACKGROUND
PMID: 28873790 (View on PubMed)

Sauro J. Measuring Usability with the System Usability Scale (SUS) Measuring 2011

Reference Type BACKGROUND

Hyman WA. A generic fault tree for medical device error. Journal of Clinical Engineering. 2002;27(2):134-40.

Reference Type BACKGROUND

Taylor B, Henshall C, Kenyon S, Litchfield I, Greenfield S. Can rapid approaches to qualitative analysis deliver timely, valid findings to clinical leaders? A mixed methods study comparing rapid and thematic analysis. BMJ Open. 2018 Oct 8;8(10):e019993. doi: 10.1136/bmjopen-2017-019993.

Reference Type BACKGROUND
PMID: 30297341 (View on PubMed)

Tsai CY, Boninger ML, Bass SR, Koontz AM. Upper-limb biomechanical analysis of wheelchair transfer techniques in two toilet configurations. Clin Biomech (Bristol). 2018 Jun;55:79-85. doi: 10.1016/j.clinbiomech.2018.04.008. Epub 2018 Apr 12.

Reference Type BACKGROUND
PMID: 29698853 (View on PubMed)

Centers for Disease Control and Prevention (CDC). Nonfatal bathroom injuries among persons aged >/=15 years--United States, 2008. MMWR Morb Mortal Wkly Rep. 2011 Jun 10;60(22):729-33.

Reference Type BACKGROUND
PMID: 21659980 (View on PubMed)

Daveler B, Wang H, Gebrosky B, Grindle GG, Schneider U, Cooper RA. Integration of Pneumatic Technology in Powered Mobility Devices. Top Spinal Cord Inj Rehabil. 2017 Spring;23(2):120-130. doi: 10.1310/sci2302-120.

Reference Type BACKGROUND
PMID: 29339888 (View on PubMed)

Grindle GG, Wang H, Jeannis H, Teodorski E, Cooper RA. Design and user evaluation of a wheelchair mounted robotic assisted transfer device. Biomed Res Int. 2015;2015:198476. doi: 10.1155/2015/198476. Epub 2015 Feb 22.

Reference Type BACKGROUND
PMID: 25793190 (View on PubMed)

Virzi RA. Refining the Test Phase of Usability Evaluation: How Many Subjects Is Enough? Human Factors. 1992;34(4):457-68.

Reference Type BACKGROUND

Health care workers compensation barometer actuarial analysis. 2018.

Reference Type BACKGROUND

Garg A, Owen BD, Carlson B. An ergonomic evaluation of nursing assistants' job in a nursing home. Ergonomics. 1992 Sep;35(9):979-95. doi: 10.1080/00140139208967377.

Reference Type BACKGROUND
PMID: 1387079 (View on PubMed)

Okoli C, Pawlowski SD. The Delphi method as a research tool: an example, design considerations and applications. Information & management. 2004;42(1):15-29.

Reference Type BACKGROUND

Brown BB. Delphi process: a methodology used for the elicitation of opinions of experts. Rand Corp Santa Monica CA; 1968.

Reference Type BACKGROUND

Moreland B, Kakara R, Henry A. Trends in Nonfatal Falls and Fall-Related Injuries Among Adults Aged >/=65 Years - United States, 2012-2018. MMWR Morb Mortal Wkly Rep. 2020 Jul 10;69(27):875-881. doi: 10.15585/mmwr.mm6927a5.

Reference Type BACKGROUND
PMID: 32644982 (View on PubMed)

Rice L, Kalron A, Berkowitz SH, Backus D, Sosnoff JJ. Fall prevalence in people with multiple sclerosis who use wheelchairs and scooters. Medicine (Baltimore). 2017 Sep;96(35):e7860. doi: 10.1097/MD.0000000000007860.

Reference Type BACKGROUND
PMID: 28858096 (View on PubMed)

Kulich HR, Bass SR, Koontz AM. Rehabilitation professional and user evaluation of an integrated push-pull lever drive system for wheelchair mobility. Assist Technol. 2024 Sep;36(5):329-337. doi: 10.1080/10400435.2020.1836068. Epub 2020 Nov 12.

Reference Type BACKGROUND
PMID: 33079646 (View on PubMed)

Kulich HR, Bass SR, Griscavage JS, Vijayvargiya A, Slowik JS, Koontz AM. An ergonomic comparison of three different patient transport chairs in a simulated hospital environment. Appl Ergon. 2020 Oct;88:103172. doi: 10.1016/j.apergo.2020.103172. Epub 2020 Jun 8.

Reference Type BACKGROUND
PMID: 32678780 (View on PubMed)

Macefield R. How to specify the participant group size for usability studies: a practitioner's guide. Journal of Usability Studies. 2009;5(1):34-45.

Reference Type BACKGROUND

Demers L, Weiss-Lambrou R, Ska B. The Quebec User Evaluation of Satisfaction with Assistive Technology (QUEST 2.0): An overview and recent progress. Technology and Disability. 2002;14:101-5.

Reference Type BACKGROUND

Mortenson WB, Demers L, Fuhrer MJ, Jutai JW, Lenker J, DeRuyter F. Development and preliminary evaluation of the caregiver assistive technology outcome measure. J Rehabil Med. 2015 May;47(5):412-8. doi: 10.2340/16501977-1952.

Reference Type BACKGROUND
PMID: 25783142 (View on PubMed)

Boswell-Ruys CL, Harvey LA, Delbaere K, Lord SR. A Falls Concern Scale for people with spinal cord injury (SCI-FCS). Spinal Cord. 2010 Sep;48(9):704-9. doi: 10.1038/sc.2010.1. Epub 2010 Feb 2.

Reference Type BACKGROUND
PMID: 20125107 (View on PubMed)

Hittle DF, Shaughnessy PW, Crisler KS, Powell MC, Richard AA, Conway KS, Stearns PM, Engle K. A Study of Reliability and Burden of Home Health Assessment Using OASIS. Home Health Care Serv Q. 2004 Feb 2;22(4):43-63. doi: 10.1300/J027v22n04_03.

Reference Type BACKGROUND
PMID: 29016255 (View on PubMed)

Shew PA, Sanders SL, Arthur NC, Bush KW. OASIS inter-rater reliability and reimbursement: a study of inter-rater reliability of the Outcome and Assessment Information Set (OASIS): its effects on the Home Health Resource Group (HHRG) and reimbursement. Home Healthc Nurse. 2010 Jan;28(1):31-6. doi: 10.1097/01.NHH.0000366795.71528.ac.

Reference Type BACKGROUND
PMID: 20032729 (View on PubMed)

Sundaram SA, Chung CS, Gebrosky B, Brown J, Grindle GG, Deepak N, Cooper R, Cooper RA. Participatory action design and engineering of a manual wheelchair virtual coach including in-home and community usage. J Spinal Cord Med. 2023 Jul;46(4):546-559. doi: 10.1080/10790268.2022.2107352. Epub 2022 Aug 22.

Reference Type BACKGROUND
PMID: 35994022 (View on PubMed)

Daveler B, Gebrosky B, Eckstein I, Cooper R, Grindle GG, Cooper RA. Air-powered shopping carts in grocery stores: a pilot study. Disabil Rehabil Assist Technol. 2022 Jan;17(1):116-122. doi: 10.1080/17483107.2020.1767221. Epub 2020 May 19.

Reference Type BACKGROUND
PMID: 32427527 (View on PubMed)

Gale RC, Wu J, Erhardt T, Bounthavong M, Reardon CM, Damschroder LJ, Midboe AM. Comparison of rapid vs in-depth qualitative analytic methods from a process evaluation of academic detailing in the Veterans Health Administration. Implement Sci. 2019 Feb 1;14(1):11. doi: 10.1186/s13012-019-0853-y.

Reference Type BACKGROUND
PMID: 30709368 (View on PubMed)

Huq MS, Fraass BA, Dunscombe PB, Gibbons JP Jr, Ibbott GS, Medin PM, Mundt A, Mutic S, Palta JR, Thomadsen BR, Williamson JF, Yorke ED. A method for evaluating quality assurance needs in radiation therapy. Int J Radiat Oncol Biol Phys. 2008;71(1 Suppl):S170-3. doi: 10.1016/j.ijrobp.2007.06.081.

Reference Type BACKGROUND
PMID: 18406920 (View on PubMed)

Gebrosky B, Pearlman J, Cooper R. Comparison of High-Strength Aluminum Ultralight Wheelchairs Using ANSI/RESNA Testing Standards. Top Spinal Cord Inj Rehabil. 2018 Winter;24(1):63-77. doi: 10.1310/sci16-00057. Epub 2017 Nov 20.

Reference Type BACKGROUND
PMID: 29434462 (View on PubMed)

Gebrosky B, Pearlman J, Cooper RA, Cooper R, Kelleher A. Evaluation of lightweight wheelchairs using ANSI/RESNA testing standards. J Rehabil Res Dev. 2013;50(10):1373-89. doi: 10.1682/JRRD.2012.08.0155.

Reference Type BACKGROUND
PMID: 24699973 (View on PubMed)

Steinfeld E, Maisel J, Feathers D, D'Souza C. Anthropometry and standards for wheeled mobility: an international comparison. Assist Technol. 2010 Spring;22(1):51-67. doi: 10.1080/10400430903520280.

Reference Type BACKGROUND
PMID: 20402047 (View on PubMed)

Noble NL, Sweeney NL. Barriers to the Use of Assistive Devices in Patient Handling. Workplace Health Saf. 2018 Jan;66(1):41-48. doi: 10.1177/2165079917697216. Epub 2017 May 9.

Reference Type BACKGROUND
PMID: 28486032 (View on PubMed)

Dicianno BE, Joseph J, Eckstein S, Zigler CK, Quinby EJ, Schmeler MR, Schein RM, Pearlman J, Cooper RA. The future of the provision process for mobility assistive technology: a survey of providers. Disabil Rehabil Assist Technol. 2019 May;14(4):338-345. doi: 10.1080/17483107.2018.1448470. Epub 2018 Mar 20.

Reference Type BACKGROUND
PMID: 29557196 (View on PubMed)

Tang K, Diaz J, Lui O, Proulx L, Galle E, Packham T. Do active assist transfer devices improve transfer safety for patients and caregivers in hospital and community settings? A scoping review. Disabil Rehabil Assist Technol. 2020 Aug;15(6):614-624. doi: 10.1080/17483107.2019.1604822. Epub 2019 Jun 28.

Reference Type BACKGROUND
PMID: 31248300 (View on PubMed)

Greenhalgh M, Landis JM, Brown J, Kulich H, Bass S, Alqahtani S, Deepak N, Cryzter TM, Grindle GG, Koontz AM, Cooper RA. Assessment of Usability and Task Load Demand Using a Robot-Assisted Transfer Device Compared With a Hoyer Advance for Dependent Wheelchair Transfers. Am J Phys Med Rehabil. 2019 Aug;98(8):729-734. doi: 10.1097/PHM.0000000000001176.

Reference Type BACKGROUND
PMID: 31318755 (View on PubMed)

Cohen MH, FAIA F, Nelson GG, Green DA, Borden CM. Patient handling and movement assessments: a white paper. Dallas, TX: The Facility Guidelines Institute. 2010:1-144.

Reference Type BACKGROUND

Darragh AR, Sommerich CM, Lavender SA, Tanner KJ, Vogel K, Campo M. Musculoskeletal Discomfort, Physical Demand, and Caregiving Activities in Informal Caregivers. J Appl Gerontol. 2015 Sep;34(6):734-60. doi: 10.1177/0733464813496464. Epub 2013 Sep 9.

Reference Type BACKGROUND
PMID: 24652897 (View on PubMed)

Owen B, Garg A. Assistive devices for use with patient handling tasks. Advances in Industrial Ergonomics and Safety. 1990;2:585-92.

Reference Type BACKGROUND

Charney W, Hudson A. Back injury among healthcare workers: Causes, solutions, and impacts: CRC Press; 2003

Reference Type BACKGROUND

Joey NCM, Ho Marc WK. Does self-initiated sit-to-stand training with an assistive device regain the independence of sit-to-stand in stroke patient? A single-blinded randomized controlled trial. J Rehabil Assist Technol Eng. 2020 Jan 20;7:2055668319866053. doi: 10.1177/2055668319866053. eCollection 2020 Jan-Dec.

Reference Type BACKGROUND
PMID: 32010452 (View on PubMed)

Koontz AM, Bass SR, Kulich HR. Accessibility facilitators and barriers affecting independent wheelchair transfers in the community. Disabil Rehabil Assist Technol. 2021 Oct;16(7):741-748. doi: 10.1080/17483107.2019.1710771. Epub 2020 Jan 8.

Reference Type BACKGROUND
PMID: 31913066 (View on PubMed)

Toro ML, Koontz AM, Cooper RA. The impact of transfer setup on the performance of independent wheelchair transfers. Hum Factors. 2013 Jun;55(3):567-80. doi: 10.1177/0018720812460549.

Reference Type BACKGROUND
PMID: 23829031 (View on PubMed)

Nelson AL, Groer S, Palacios P, Mitchell D, Sabharwal S, Kirby RL, Gavin-Dreschnack D, Powell-Cope G. Wheelchair-related falls in veterans with spinal cord injury residing in the community: a prospective cohort study. Arch Phys Med Rehabil. 2010 Aug;91(8):1166-73. doi: 10.1016/j.apmr.2010.05.008.

Reference Type BACKGROUND
PMID: 20684896 (View on PubMed)

Peterson EW, Cho CC, Finlayson ML. Fear of falling and associated activity curtailment among middle aged and older adults with multiple sclerosis. Mult Scler. 2007 Nov;13(9):1168-75. doi: 10.1177/1352458507079260. Epub 2007 Sep 19.

Reference Type BACKGROUND
PMID: 17881391 (View on PubMed)

Gavin-Dreschnack D, Nelson A, Fitzgerald S, Harrow J, Sanchez-Anguiano A, Ahmed S, Powell-Cope G. Wheelchair-related falls: current evidence and directions for improved quality care. J Nurs Care Qual. 2005 Apr-Jun;20(2):119-27. doi: 10.1097/00001786-200504000-00006.

Reference Type BACKGROUND
PMID: 15839290 (View on PubMed)

Rice L, Kalron A, Berkowitz SH, Backus D, Sosnoff JJ. Fall prevalence in wheeled mobility device users living with multiple sclerosis. Archives of Physical Medicine and Rehabilitation. 2016;97(10):e40-e1.

Reference Type BACKGROUND

Gagnon D, Koontz A, Mulroy S, Nawoczenski D, Butler-Forslund E, Granstrom A, et al. Biomechanics of sitting pivot transfers among individuals with a spinal cord injury: a review of the current knowledge. Topics in Spinal Cord Injury Rehabilitation. 2009;15(2):33-58.

Reference Type BACKGROUND

King EC, Holliday PJ, Andrews GJ. Care Challenges in the Bathroom: The Views of Professional Care Providers Working in Clients' Homes. J Appl Gerontol. 2018 Apr;37(4):493-515. doi: 10.1177/0733464816649278. Epub 2016 May 29.

Reference Type BACKGROUND
PMID: 27241041 (View on PubMed)

Tzeng HM. A feasibility study of providing folding commode chairs in patient bathrooms to reduce toileting-related falls in an adult acute medical-surgical unit. J Nurs Care Qual. 2011 Jan-Mar;26(1):61-8. doi: 10.1097/NCQ.0b013e3181d94f4d.

Reference Type BACKGROUND
PMID: 22914667 (View on PubMed)

Lam K, Shi Y, Boscardin J, Covinsky KE. Unmet Need for Equipment to Help With Bathing and Toileting Among Older US Adults. JAMA Intern Med. 2021 May 1;181(5):662-670. doi: 10.1001/jamainternmed.2021.0204.

Reference Type BACKGROUND
PMID: 33749707 (View on PubMed)

Nelson A, Lloyd JD, Menzel N, Gross C. Preventing nursing back injuries: redesigning patient handling tasks. AAOHN J. 2003 Mar;51(3):126-34.

Reference Type BACKGROUND
PMID: 12670100 (View on PubMed)

De-Rosende-Celeiro I, Torres G, Seoane-Bouzas M, Avila A. Exploring the use of assistive products to promote functional independence in self-care activities in the bathroom. PLoS One. 2019 Apr 8;14(4):e0215002. doi: 10.1371/journal.pone.0215002. eCollection 2019.

Reference Type BACKGROUND
PMID: 30958846 (View on PubMed)

Barrick AL, Rader J, Hoeffer B, Sloane PD, Biddle S. Bathing without a battle: Person-directed care of individuals with dementia: Springer Publishing Company; 2008.

Reference Type BACKGROUND

Sung J, Trace Y, Peterson EW, Sosnoff JJ, Rice LA. Falls among full-time wheelchair users with spinal cord injury and multiple sclerosis: a comparison of characteristics of fallers and circumstances of falls. Disabil Rehabil. 2019 Feb;41(4):389-395. doi: 10.1080/09638288.2017.1393111. Epub 2017 Oct 25.

Reference Type BACKGROUND
PMID: 29069956 (View on PubMed)

Blanchet R, Edwards N. A need to improve the assessment of environmental hazards for falls on stairs and in bathrooms: results of a scoping review. BMC Geriatr. 2018 Nov 9;18(1):272. doi: 10.1186/s12877-018-0958-1.

Reference Type BACKGROUND
PMID: 30413144 (View on PubMed)

Provided Documents

Download supplemental materials such as informed consent forms, study protocols, or participant manuals.

Document Type: Study Protocol and Statistical Analysis Plan

View Document

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

5R44NR019516-03

Identifier Type: NIH

Identifier Source: secondary_id

View Link

STUDY25010091

Identifier Type: -

Identifier Source: org_study_id