deltatrials
Completed PHASE2/PHASE3 INTERVENTIONAL 3-arm NCT04429503

Study of a High-Dose Aflibercept in Participants With Diabetic Eye Disease (PHOTON)

A Randomized, Double-Masked, Active-Controlled Phase 2/3 Study of the Efficacy and Safety of High-Dose Aflibercept in Patients With Diabetic Macular Edema

Sponsor: Bayer

Updated 15 times since 2020 Last updated: Jul 18, 2025 Started: Jun 29, 2020 Primary completion: May 30, 2022 Completion: Jun 18, 2024
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE2/PHASE3 trial investigates Diabetic Macular Edema and Type 1 Diabetes Mellitus and is currently completed. Bayer leads this study, which shows 15 recorded versions since 2020 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jul 2020 – ~Aug 2020 · 31 days · monthly snapshot~Aug 2020 – ~Jan 2021 · 5 months · monthly snapshot~Jan 2021 – ~Feb 2021 · 31 days · monthly snapshot~Feb 2021 – ~Jun 2021 · 4 months · monthly snapshot~Jun 2021 – ~Oct 2021 · 4 months · monthly snapshot~Oct 2021 – ~Jun 2022 · 8 months · monthly snapshot~Jun 2022 – ~Jul 2022 · 30 days · monthly snapshot~Jul 2022 – ~Dec 2022 · 5 months · monthly snapshot~Dec 2022 – ~Jun 2023 · 6 months · monthly snapshot~Jun 2023 – ~Dec 2023 · 6 months · monthly snapshot~Dec 2023 – ~Jul 2024 · 7 months · monthly snapshot~Jul 2024 – ~Aug 2024 · 31 days · monthly snapshot~Aug 2024 – ~Sep 2024 · 31 days · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – present · 11 months · monthly snapshot

Change History

15 versions recorded
  1. Sep 2025 — Present [monthly]

    Completed PHASE2/PHASE3

  2. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE2/PHASE3

  3. Aug 2024 — Sep 2024 [monthly]

    Completed PHASE2/PHASE3

    Status: Active Not RecruitingCompleted

  4. Jul 2024 — Aug 2024 [monthly]

    Active Not Recruiting PHASE2/PHASE3

    Phase: PHASE2_PHASE3PHASE2/PHASE3

  5. Dec 2023 — Jul 2024 [monthly]

    Active Not Recruiting PHASE2_PHASE3

Show 10 earlier versions
  1. Jun 2023 — Dec 2023 [monthly]

    Active Not Recruiting PHASE2_PHASE3

  2. Dec 2022 — Jun 2023 [monthly]

    Active Not Recruiting PHASE2_PHASE3

  3. Jul 2022 — Dec 2022 [monthly]

    Active Not Recruiting PHASE2_PHASE3

  4. Jun 2022 — Jul 2022 [monthly]

    Active Not Recruiting PHASE2_PHASE3

  5. Oct 2021 — Jun 2022 [monthly]

    Active Not Recruiting PHASE2_PHASE3

    Status: RecruitingActive Not Recruiting

  6. Jun 2021 — Oct 2021 [monthly]

    Recruiting PHASE2_PHASE3

  7. Feb 2021 — Jun 2021 [monthly]

    Recruiting PHASE2_PHASE3

  8. Jan 2021 — Feb 2021 [monthly]

    Recruiting PHASE2_PHASE3

  9. Aug 2020 — Jan 2021 [monthly]

    Recruiting PHASE2_PHASE3

    Status: Not Yet RecruitingRecruiting

  10. Jul 2020 — Aug 2020 [monthly]

    Not Yet Recruiting PHASE2_PHASE3

    First recorded

Jun 2020

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Bayer
  • Regeneron Pharmaceuticals
Data source: Regeneron Pharmaceuticals

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