deltatrials
Completed PHASE1 INTERVENTIONAL 12-arm NCT05143905

A Study to Assess the Safety, Tolerability and Pharmacokinetics of AZD7503 in Healthy Participants

A Phase I Randomised Single-blind Placebo-controlled Study to Assess the Safety, Tolerability and Pharmacokinetics of AZD7503 Following Single Ascending Dose Administration to Healthy Participants

Sponsor: AstraZeneca

Interventions AZD7503 Placebo
Updated 13 times since 2022 Last updated: Feb 18, 2025 Started: Dec 6, 2021 Primary completion: Nov 9, 2022 Completion: Nov 9, 2022
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE1 trial investigates Healthy Participants and Pharmacokinetics and is currently completed. AstraZeneca leads this study, which shows 13 recorded versions since 2021 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jan 2022 – ~Feb 2022 · 31 days · monthly snapshot~Feb 2022 – ~Mar 2022 · 28 days · monthly snapshot~Mar 2022 – ~Apr 2022 · 31 days · monthly snapshot~Apr 2022 – ~May 2022 · 30 days · monthly snapshot~May 2022 – ~Jun 2022 · 31 days · monthly snapshot~Jun 2022 – ~Jul 2022 · 30 days · monthly snapshot~Jul 2022 – ~Sep 2022 · 2 months · monthly snapshot~Sep 2022 – ~Nov 2022 · 2 months · monthly snapshot~Nov 2022 – ~Jan 2023 · 2 months · monthly snapshot~Jan 2023 – ~Jul 2024 · 18 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Mar 2025 · 6 months · monthly snapshot~Mar 2025 – present · 16 months · monthly snapshot

Change History

13 versions recorded
  1. Mar 2025 — Present [monthly]

    Completed PHASE1

  2. Sep 2024 — Mar 2025 [monthly]

    Completed PHASE1

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE1

  4. Jan 2023 — Jul 2024 [monthly]

    Completed PHASE1

    Status: Active Not RecruitingCompleted

  5. Nov 2022 — Jan 2023 [monthly]

    Active Not Recruiting PHASE1

Show 8 earlier versions
  1. Sep 2022 — Nov 2022 [monthly]

    Active Not Recruiting PHASE1

    Status: RecruitingActive Not Recruiting

  2. Jul 2022 — Sep 2022 [monthly]

    Recruiting PHASE1

  3. Jun 2022 — Jul 2022 [monthly]

    Recruiting PHASE1

  4. May 2022 — Jun 2022 [monthly]

    Recruiting PHASE1

  5. Apr 2022 — May 2022 [monthly]

    Recruiting PHASE1

  6. Mar 2022 — Apr 2022 [monthly]

    Recruiting PHASE1

  7. Feb 2022 — Mar 2022 [monthly]

    Recruiting PHASE1

  8. Jan 2022 — Feb 2022 [monthly]

    Recruiting PHASE1

    First recorded

Dec 2021

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • AstraZeneca
Data source: AstraZeneca

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

Study Locations