deltatrials
Recruiting NA INTERVENTIONAL 2-arm NCT02502162

Low-Dose Naltrexone for the Treatment of Complex Regional Pain Syndrome (LDN-CRPS)

Sponsor: Stanford University

Conditions Complex Regional Pain Syndrome
Interventions LDN Placebo
Updated 16 times since 2017 Last updated: May 27, 2025 Started: Jun 30, 2015 Primary completion: Jul 31, 2027 Completion: Jul 31, 2027
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Complex Regional Pain Syndrome and is currently actively recruiting participants. Stanford University leads this study, which shows 16 recorded versions since 2015 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshot~Feb 2017 – ~Jun 2018 · 16 months · monthly snapshot~Jun 2018 – ~Apr 2019 · 10 months · monthly snapshot~Apr 2019 – ~Apr 2020 · 12 months · monthly snapshot~Apr 2020 – ~Jan 2021 · 9 months · monthly snapshot~Jan 2021 – ~Jun 2021 · 5 months · monthly snapshot~Jun 2021 – ~Jun 2022 · 12 months · monthly snapshot~Jun 2022 – ~Sep 2022 · 3 months · monthly snapshot~Sep 2022 – ~May 2023 · 8 months · monthly snapshot~May 2023 – ~Oct 2023 · 5 months · monthly snapshot~Oct 2023 – ~Dec 2023 · 2 months · monthly snapshot~Dec 2023 – ~Jul 2024 · 7 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Dec 2024 · 3 months · monthly snapshot~Dec 2024 – ~Jun 2025 · 6 months · monthly snapshot~Jun 2025 – present · 13 months · monthly snapshot

Change History

16 versions recorded

  1. Jun 2025 — Present [monthly]

    Recruiting NA

  2. Dec 2024 — Jun 2025 [monthly]

    Recruiting NA

  3. Sep 2024 — Dec 2024 [monthly]

    Recruiting NA

  4. Jul 2024 — Sep 2024 [monthly]

    Recruiting NA

  5. Dec 2023 — Jul 2024 [monthly]

    Recruiting NA

▶ Show 11 earlier versions

  1. Oct 2023 — Dec 2023 [monthly]

    Recruiting NA

  2. May 2023 — Oct 2023 [monthly]

    Recruiting NA

  3. Sep 2022 — May 2023 [monthly]

    Recruiting NA

  4. Jun 2022 — Sep 2022 [monthly]

    Recruiting NA

  5. Jun 2021 — Jun 2022 [monthly]

    Recruiting NA

  6. Jan 2021 — Jun 2021 [monthly]

    Recruiting NA

  7. Apr 2020 — Jan 2021 [monthly]

    Recruiting NA

  8. Apr 2019 — Apr 2020 [monthly]

    Recruiting NA

  9. Jun 2018 — Apr 2019 [monthly]

    Recruiting NA

  10. Feb 2017 — Jun 2018 [monthly]

    Recruiting NA

  11. Jan 2017 — Feb 2017 [monthly]

    Recruiting NA

    First recorded

Jun 2015

Trial started

Per CT.gov start date — pre-dates our first snapshot

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