deltatrials
Completed PHASE1/PHASE2 INTERVENTIONAL 6-arm NCT00485134

Shigella Flexneri 2a Invaplex 50 Vaccine Dose Finding and Assessment of Protection

Sponsor: U.S. Army Medical Research and Development Command

Conditions Shigellosis
Interventions 240 µg Shigella flexneri 2a Invaplex 50 vaccine 480 µg Shigella flexneri 2a Invaplex 50 vaccine 690 Shigella flexneri 2a Invaplex 50 vaccine Shigella challenge strain
Updated 7 times since 2017 Last updated: Aug 8, 2017 Started: May 31, 2007 Primary completion: Jul 31, 2009 Completion: Sep 30, 2010
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE1/PHASE2 clinical study on Shigellosis, this trial is completed. The trial is conducted by U.S. Army Medical Research and Development Command and has accumulated 7 data snapshots since 2007. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Jan 2017 – ~Oct 2017 · 9 months · monthly snapshotCompleted~Oct 2017 – ~Jun 2018 · 8 months · monthly snapshotCompleted~Jun 2018 – ~Aug 2019 · 14 months · monthly snapshotCompleted~Aug 2019 – ~Jan 2021 · 17 months · monthly snapshotCompleted~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 23 months · monthly snapshotCompleted

Change History

7 versions recorded

  1. Sep 2024 — Present [monthly]

    Completed PHASE1/PHASE2

  2. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE1/PHASE2

    Phase: PHASE1_PHASE2 → PHASE1/PHASE2

  3. Jan 2021 — Jul 2024 [monthly]

    Completed PHASE1_PHASE2

  4. Aug 2019 — Jan 2021 [monthly]

    Completed PHASE1_PHASE2

  5. Jun 2018 — Aug 2019 [monthly]

    Completed PHASE1_PHASE2

▶ Show 2 earlier versions

  1. Oct 2017 — Jun 2018 [monthly]

    Completed PHASE1_PHASE2

  2. Jan 2017 — Oct 2017 [monthly]

    Completed PHASE1_PHASE2

    First recorded

May 2007

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • U.S. Army Medical Research and Development Command
  • U.S. Army Office of the Surgeon General
Data source: U.S. Army Medical Research and Development Command

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

Study Locations