Condition (MeSH)
Ascorbic Acid Deficiency
ClinicalTrials.gov lists 19 trials for Ascorbic Acid Deficiency or a narrower condition beneath it. Pascoe Pharmazeutische Praeparate GmbH has the most among industry and government lead sponsors, with 2.
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Trials per phase
17 of the 19 trials are tagged with Ascorbic Acid Deficiency itself; the rest are tagged with a narrower condition beneath it.
When did Ascorbic Acid Deficiency trials start? (12)
Shown in this order: most recent first, 1990 onwards. 2026 is partial: trials registered with a 2026 start date so far, not a full year.
Trials over time, by phase
- Phase 1
- Phase 1/2
- Phase 2
- Not applicable
- Observational
Top of scale: 5
Trials registered with a start date in each year, 1990 onward, stacked by phase (complete years only; the current partial year is in the table's notes). The table below lists the same counts, most recent years first.
| Year | Trials started |
|---|---|
| 2026 (partial year) | 1 |
| 2025 | 1 |
| 2023 | 3 |
| 2020 | 2 |
| 2019 | 5 |
| 2018 | 1 |
| 2017 | 1 |
| 2015 | 1 |
| 2014 | 1 |
| 2012 | 1 |
Showing 10 of 12 earlier years.
No forecast is made for this condition: it averages 1.0 trial starts a year over the five years to September, under the 5 a year the method needs.
Recruitment duration, a model prediction: 1 trial still running at the 2026-10-09 snapshot, fewer than the 5 needed for a median. Source: ClinicalTrials.gov / AACT (CTTI), public domain.
What phase are Ascorbic Acid Deficiency trials in? (5)
Shown in this order: phase order.
Show the trials by phase as a table
| Phase | Trials |
|---|---|
| Phase 1 | 2 |
| Phase 1/2 | 1 |
| Phase 2 | 3 |
| Not applicable | 6 |
| Observational | 7 |
How many Ascorbic Acid Deficiency trials are recruiting? (5)
Shown in this order: the order a trial moves through, from not yet recruiting to unknown.
| Status | Trials |
|---|---|
| Not yet recruiting | 2 |
| Recruiting | 1 |
| Active, not recruiting | 1 |
| Completed | 11 |
| Unknown status | 4 |
Status as registered on ClinicalTrials.gov. Each trial is counted once.
Which lead sponsors run the most Ascorbic Acid Deficiency trials? (2)
Shown in this order: most trials first. Lead sponsors the registry classes as industry, NIH, US federal, other government or network. A hospital or university the registry files as government can appear here. Sponsors it classes as academic or other are shown on the full page, because that class cannot separate an institution from a named investigator.
| Sponsor | Trials |
|---|---|
| Pascoe Pharmazeutische Praeparate GmbH | 2 |
| National Center for Complementary and Integrative Health (NCCIH) | 1 |
Which drugs are being tested for Ascorbic Acid Deficiency? (3)
Shown in this order: most trials first. One row per drug, matched to a single molecule under all its names, ranked by number of trials.
| Drug | Trials |
|---|---|
| Vitamin C | 9 |
| Acetylcholine | 1 |
| Calcium/Vitamin D | 1 |
Interventions as named in the registry (3)
Shown in this order: most trials first.
| Drug | Trials |
|---|---|
| high-dose vitamin C 30gm | 1 |
| Oral Rehydration Salt Formulations | 1 |
| BLOOD SAMPLE | 1 |
These are the names sponsors entered on ClinicalTrials.gov that we have not matched to a single molecule. Some are drugs under a brand or code name; others are procedures, doses or arm labels.
Which publications cover Ascorbic Acid Deficiency? (40)
Shown in this order: major-topic papers first, then newest, then most linked to trials.
| Publication | Journal | Year | Major topic |
|---|---|---|---|
| Zinc and vitamin C deficiencies associate with poor pulmonary function in children with persistent asthma. | Asian Pacific journal of allergy and immunology | 2022 | Yes |
| Vitamin C-Sources, Physiological Role, Kinetics, Deficiency, Use, Toxicity, and Determination. | Nutrients | 2021 | Yes |
| Vitamin C Deficiency in the Young Brain-Findings from Experimental Animal Models. | Nutrients | 2021 | Yes |
| Vitamin C in Human Health and Disease. | Nutrients | 2021 | Yes |
| Vitamin C-An Adjunctive Therapy for Respiratory Infection, Sepsis and COVID-19. | Nutrients | 2020 | Yes |
Showing 5 of 40 publications.
Sub-conditions in MeSH (1)
MeSH descendants one level down with at least one trial, most trials first.
Not on this page
Not measured: delivery record.
Checked, with nothing recorded for this condition: serious adverse events in this condition's trials, prevalence, and rare-disease identity.