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Can High-Dose vitamin c injections ease symptoms of deficiency?

NCT ID NCT06983847

Symptom relief Sponsor: Pascoe Pharmazeutische Praeparate GmbH Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Sep 17, 2026 · Last updated Sep 18, 2026 · Updated 1 time

Summary

Researchers are observing how high-dose vitamin C injections affect symptoms and tolerability in adults with vitamin C deficiency caused by acute or chronic diseases. The study includes about 1,000 participants and tracks changes in general and disease-specific symptoms using a simple score. Doctors also give a global rating of how well the treatment works. The goal is to learn which patient groups use the product and which symptoms improve.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
high-dose vitamin C given as an injection
What this could lead to
If the injections help, doctors could have clearer guidance on when to use high-dose vitamin C for people with deficiency during acute or chronic illness.
What could go wrong
This is an observational study, so it cannot prove that vitamin C injections cause symptoms to improve. Symptoms may change for other reasons, and the results may not apply to everyone.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 1,000 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jan 2019

Expected to finish

Nov 2028

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients with a vitamin C deficiency due to acute or chronic underlying diseases

Ages

18 to 120 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patients with vitamin C deficiency * Age ≥ 18 years Exclusion Criteria: * Hypersensitivity to the active ingredient or any of the excipients * Oxalate urolithiasis * Iron storage disease (thalassemia, hemochromatosis, sideroblastic anemia) or recent red blood cell transfusion * Renal insufficiency * Glucose-6-phosphate dehydrogenase deficiency/defect * Pregnant/breastfeeding women

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Conditions

The condition(s) this trial relates to.

acute disease Chronic Disease scurvy

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Acute disease Chronic disease Deficiency, vitamin C

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Multiple Physicians from Austria

    RECRUITING

    Vienna, Etc., Austria, Austria

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