deltatrials
Completed NA INTERVENTIONAL 2-arm NCT04042337

Improving Access to Pivotal Response Treatment (PRT) Via Telehealth Parent Training

Sponsor: Stanford University

Conditions Autism Spectrum Disorder
Interventions Pivotal Response Treatment
Updated 16 times since 2019 Last updated: Nov 14, 2025 Started: Apr 13, 2020 Primary completion: Oct 29, 2025 Completion: Oct 29, 2025
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04042337, this NA trial focuses on Autism Spectrum Disorder and remains completed. Sponsored by Stanford University, it has been updated 16 times since 2020, reflecting substantial change activity. Mental health research at this phase helps define safety and dosing parameters for future study.

Status Flow

~Sep 2019 – ~Feb 2020 · 5 months · monthly snapshot~Feb 2020 – ~Apr 2020 · 2 months · monthly snapshot~Apr 2020 – ~May 2020 · 30 days · monthly snapshot~May 2020 – ~Aug 2020 · 3 months · monthly snapshot~Aug 2020 – ~Dec 2020 · 4 months · monthly snapshot~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshot~Jan 2021 – ~Jan 2022 · 12 months · monthly snapshot~Jan 2022 – ~May 2022 · 4 months · monthly snapshot~May 2022 – ~Nov 2022 · 6 months · monthly snapshot~Nov 2022 – ~Jul 2023 · 8 months · monthly snapshot~Jul 2023 – ~Jul 2024 · 12 months · monthly snapshot~Jul 2024 – ~Aug 2024 · 31 days · monthly snapshot~Aug 2024 – ~Sep 2024 · 31 days · monthly snapshot~Sep 2024 – ~Oct 2025 · 13 months · monthly snapshot~Oct 2025 – ~Dec 2025 · 2 months · monthly snapshot~Dec 2025 – present · 7 months · monthly snapshot

Change History

16 versions recorded

  1. Dec 2025 — Present [monthly]

    Completed NA

    Status: Recruiting → Completed

  2. Oct 2025 — Dec 2025 [monthly]

    Recruiting NA

  3. Sep 2024 — Oct 2025 [monthly]

    Recruiting NA

  4. Aug 2024 — Sep 2024 [monthly]

    Recruiting NA

  5. Jul 2024 — Aug 2024 [monthly]

    Recruiting NA

▶ Show 11 earlier versions

  1. Jul 2023 — Jul 2024 [monthly]

    Recruiting NA

  2. Nov 2022 — Jul 2023 [monthly]

    Recruiting NA

  3. May 2022 — Nov 2022 [monthly]

    Recruiting NA

  4. Jan 2022 — May 2022 [monthly]

    Recruiting NA

  5. Jan 2021 — Jan 2022 [monthly]

    Recruiting NA

  6. Dec 2020 — Jan 2021 [monthly]

    Recruiting NA

  7. Aug 2020 — Dec 2020 [monthly]

    Recruiting NA

  8. May 2020 — Aug 2020 [monthly]

    Recruiting NA

  9. Apr 2020 — May 2020 [monthly]

    Recruiting NA

    Status: Not Yet Recruiting → Recruiting

  10. Feb 2020 — Apr 2020 [monthly]

    Not Yet Recruiting NA

  11. Sep 2019 — Feb 2020 [monthly]

    Not Yet Recruiting NA

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Stanford University
Data source: Stanford University

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations