deltatrials
Completed PHASE2 INTERVENTIONAL 2-arm NCT06057064

Study Will Assess the Safety, Neutralizing Activity and Efficacy of AZD3152 in Adults With Conditions Increasing Risk of Inadequate Protective Immune Response After Vaccination and Thus Are at High Risk of Developing Severe COVID-19 (NOVELLA)

A Phase II Randomized, Double-blind Study to Evaluate the Safety, Neutralizing Activity and Efficacy of AZD3152 for Pre-exposure Prophylaxis of COVID-19 in Participants Having an Increased Risk for Inadequate Response to Active Immunization (NOVELLA)

Sponsor: AstraZeneca

Updated 9 times since 2023 Last updated: Aug 14, 2025 Started: Sep 29, 2023 Primary completion: May 17, 2024 Completion: May 17, 2024
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE2 clinical study on COVID-19, SARS-CoV-2, this trial is completed. The trial is conducted by AstraZeneca and has accumulated 9 data snapshots since 2023. Infectious disease trials contribute critical data for public health response and treatment development.

Status Flow

~Oct 2023 – ~Dec 2023 · 2 months · monthly snapshotNot Yet Recruiting~Dec 2023 – ~Jan 2024 · 31 days · monthly snapshotRecruiting~Jan 2024 – ~Mar 2024 · 2 months · monthly snapshotActive Not Recruiting~Mar 2024 – ~May 2024 · 2 months · monthly snapshotActive Not Recruiting~May 2024 – ~Jun 2024 · 31 days · monthly snapshotActive Not Recruiting~Jun 2024 – ~Jul 2024 · 30 days · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 10 months · monthly snapshotCompleted

Change History

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

    Completed PHASE2

  2. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE2

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE2

  4. Jun 2024 — Jul 2024 [monthly]

    Completed PHASE2

    Status: Active Not RecruitingCompleted

  5. May 2024 — Jun 2024 [monthly]

    Active Not Recruiting PHASE2

Show 4 earlier versions
  1. Mar 2024 — May 2024 [monthly]

    Active Not Recruiting PHASE2

  2. Jan 2024 — Mar 2024 [monthly]

    Active Not Recruiting PHASE2

    Status: RecruitingActive Not Recruiting

  3. Dec 2023 — Jan 2024 [monthly]

    Recruiting PHASE2

    Status: Not Yet RecruitingRecruiting

  4. Oct 2023 — Dec 2023 [monthly]

    Not Yet Recruiting PHASE2

    First recorded

Sep 2023

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 .