Door-Through-Door Companion Rideshare Technology for Individuals With Alzheimer's Disease and Related Dementias (AD/ADRD)

Last updated: November 22, 2025
Sponsor: Onward Health, Inc
Overall Status: Active - Recruiting

Phase

1

Condition

Alzheimer's Disease

Memory Loss

Mild Cognitive Impairment

Treatment

Curb-to-curb rideshare services

Door-through-door companion rideshare

Clinical Study ID

NCT06850870
OnwardRCT-2024-01 v2.0
1R44AG085945-01A1
  • Ages > 60
  • All Genders
  • Accepts Healthy Volunteers

Study Summary

The goal of this pilot randomized controlled trial is to assess the impact of D2D rideshare services with a trained companion driver on the rate of medical appointments for older adults and individuals with AD/ADRD. Participants will be assigned either door-through-door (D2D) rideshare or curb-to-curb (C2C) rideshare services. he main question it aims to answer is:

Do D2D rideshare services reduce missed medical appointment rates compared to C2C rideshare services?

Eligibility Criteria

Inclusion

Inclusion Criteria:

  • All participants (or their surrogate) have the capacity to agree to allow Onwardservice for transportation;

  • have scheduled medical appointments at partner practices of Onward;

  • ages 60+

  • community-dwelling;

  • 60 participants who self-reported cognitive problems, such as memory issue, or havemild cognitive impairment, subjective cognitive decline, or AD/ADRD diagnosis

  • Resides and attends appointments in the following San Francisco Bay Area Counties (San Francisco, Alameda, Contra Costa, Marin, San Mateo, Sonoma)

Exclusion

Exclusion Criteria:

  • current enrollment in another transportation study;

  • already using any type of free or heavily subsized transportation service;

  • enrollees with comfort care only;

  • Not wheelchair bound, e.g. if using a wheelchair must be foldable and must be ableto transfer

  • Transient, lacking consistent long term housing

  • Resides outside of the San Francisco Bay Area

Study Design

Total Participants: 120
Treatment Group(s): 2
Primary Treatment: Curb-to-curb rideshare services
Phase: 1
Study Start date:
August 29, 2025
Estimated Completion Date:
November 28, 2026

Study Description

A pilot randomized controlled trial (Stage 1). By stratifying on levels of cognitive impairment, i.e., no cognitive impairment vs. have mild to moderate cognitive impairment/MCI or subjective cognitive decline/SCD, the research team will randomly assign 120 riders, who have scheduled medical appointments at partner practices of Onward, to one of two groups: Onward D2D service (intervention) vs. C2C rideshare (control).

Intervention Group (D2D): Door-to-Door rideshare services with a trained companion driver.

Control Group (C2C): Standard Curb-to-Curb rideshare services.

Connect with a study center

  • Onward Health HQ

    San Leandro, California 94577
    United States

    Site Not Available

  • Onward Health HQ

    San Leandro 5392263, California 5332921 94577
    United States

    Active - Recruiting

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