Effect of Vitamin A Supplementation on Immune Responses in Human Neonates (NNVAS)
A Randomized Controlled Trial in Human Neonates to Determine the Effect of Vitamin A Supplementation on Immune Responses
Sponsor: London School of Hygiene and Tropical Medicine
A PHASE2 clinical study on Vitamin A Deficiency, this trial is ongoing. The trial is conducted by London School of Hygiene and Tropical Medicine and has accumulated 6 data snapshots since 2011. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.
Status Flow
Change History
6 versions recorded-
Sep 2025 — Present [monthly]
Unknown PHASE2
-
Sep 2024 — Sep 2025 [monthly]
Unknown PHASE2
-
Jul 2024 — Sep 2024 [monthly]
Unknown PHASE2
Status: Unknown Status → Unknown
-
Jan 2021 — Jul 2024 [monthly]
Unknown Status PHASE2
-
Jun 2018 — Jan 2021 [monthly]
Unknown Status PHASE2
▶ Show 1 earlier version
-
Jan 2017 — Jun 2018 [monthly]
Unknown Status PHASE2
First recorded
Nov 2011
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- London School of Hygiene and Tropical Medicine
- World Health Organization
For direct contact, visit the study record on ClinicalTrials.gov .