Interest of Ascorbic Acid in the Management of Pneumonia in Elderly People Hospitalized. (PNEUMO-VITA-C)

May 20, 2026 updated by: University Hospital, Bordeaux
Pneumonia is the second common infection and its risk increases for elderly. In this population, it is the first cause of mortality by infections, and source of many complications. Geriatric studies had shown the high prevalence of ascorbic acid 's deficiency, especially in older hospitalized people. It is well known that vitamin C is one of the key of the immune system, it has a scavenger's role in case of aggression like sepsis. A Cochrane database published in 2013 analyzed the impact of vitamin C for preventing and treating pneumonia. Two randomized studies showed a benefit on respiratory symptoms for patients treated by vitamin C, and for one of those studies it was noted a significant reduction of mortality. The main objective of our study is first to determine the impact on respiratory symptoms of an adjuvant treatment by vitamin C for the management of pneumonia in older people hospitalized, and then evaluate its impact on functional status.

Study Overview

Status

Terminated

Intervention / Treatment

Detailed Description

This study is French non-comparative phase II clinical trial, double-blind randomized, with placebo, single-center. One group would be treated the placebo group, and another would receive an adjuvant treatment by vitamin C : 500 mg twice a day by intra-venous way from the first day to the second included, and then 500 mg twice a day by oral way from the third day to the seventh. For each patient, the study's duration is 7 days, which is the mean stay of hospitalization. During those 7 days, we will make clinical exams and blood tests at d0, d2, d4 and d7. The vitamin C blood level will be measured at d0 and d7.

Study Type

Interventional

Enrollment (Actual)

9

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Bordeaux, France, 33000
        • CHU de Bordeaux, Hôpital Saint André

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

75 years and older (Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • people aged ≥ 75 years old
  • pneumonia's symptoms according to the SPILF (Société de Pathologie Infectieuse de Langue Française) :

    • cough
    • at least one respiratory sign : dyspnea, chest pain, wheezing, and local signs at the auscultation
    • at least one general sign suggesting an infection : fever, sweat, headache, sore joints, common cold
  • pneumonia's symptoms developed between the admission's date in the unit care and the seventh day included

Exclusion Criteria:

  • palliative care's patients
  • patients with deglutition's disorders
  • patients who can't be on a drip
  • antibiotherapy since more one day
  • other concomitant infection(s)
  • patients who can't make their own transfer 15 days ago
  • patients who have a NYHA score at IV 15 days ago
  • patients with contraindication to a vitamin C treatment : hemochromatosis, oxalo-calcic lithiasis antecedent, G6PD deficit (Glucose 6 Phosphate Dehydrogenase), and treatment by Deferoxamine

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Vitamin C
Each patient of this group will be received a direct intravenous injection of 2,5 ml ascorbic acid twice a day (at the morning and the lunchtime) from d1 to d2 included. From d3 to d7 included, ascorbic acid's capsules produced by the University Hospital Bordeaux's central pharmacy to keep the double blind way of this study will be given at patient at the morning and at the lunchtime.
Placebo Comparator: Placebo
Each patient of this group will be received a direct intravenous injection of 2,5 ml NaCl 9% twice a day (at the morning and the lunchtime) from d1 to d2 included. From d3 to d7 included, mannitol's capsules produced by the University Hospital Bordeaux's central pharmacy will be given at patient at the morning and at the lunchtime.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Difference in the NYHA score between d-15 and d4 after treatment initiation
Time Frame: 4 days after randomisation/treatment initiation
The NYHA score d-15 would be noted by medical staff at the inclusion by calling the patient's general practitioner. The NYHA score at d4 will be noted by investigators treating the patient.
4 days after randomisation/treatment initiation

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
The NYHA score at d2 and d7
Time Frame: 2 and 7 days after randomisation/treament initiation
2 and 7 days after randomisation/treament initiation
Dyspnea's visual analogic scale at d2, d4 and d7
Time Frame: 2, 4 and 7 days after randomisation/treament initiation
2, 4 and 7 days after randomisation/treament initiation
Blood saturation without oxygen therapy at d2, d4 and d7
Time Frame: 2, 4 and 7 days after randomisation/treament initiation
2, 4 and 7 days after randomisation/treament initiation
Katz's ADL (Activities Daily Living) score at d2,d4 and d7
Time Frame: 2, 4 and 7 days after randomisation/treament initiation
Katz's ADL will be calculated by medical trained students or doctors at d2, d4 and d7
2, 4 and 7 days after randomisation/treament initiation
Asthenia's evaluation at d2,d4 and d7
Time Frame: 2, 4 and 7 days after randomisation/treament initiation
2, 4 and 7 days after randomisation/treament initiation
Possibility for the patient to make his or her own transfer at d2,d4 and d7
Time Frame: 2, 4 and 7 days after randomisation/treament initiation
2, 4 and 7 days after randomisation/treament initiation
Morbidity-mortality at d2,d4 and d7
Time Frame: 2, 4 and 7 days after randomisation/treament initiation
2, 4 and 7 days after randomisation/treament initiation
Blood inflammation parameters at d2,d4 and d7
Time Frame: 2, 4 and 7 days after randomisation/treament initiation
Leukocytes and polynuclear neutrophil 's rates, with C-reactive protein will be measured at d2, d4 and d7
2, 4 and 7 days after randomisation/treament initiation
Vitamin C blood level at d7
Time Frame: 7 days after randomisation/treament initiation
7 days after randomisation/treament initiation

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Aurélie LAFARGUE, MD, University Hospital Bordeaux (France)
  • Study Chair: Antoine BENARD, MD, University Hospital Bordeaux (France)

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

February 1, 2015

Primary Completion (Actual)

May 1, 2016

Study Completion (Actual)

May 1, 2016

Study Registration Dates

First Submitted

July 4, 2014

First Submitted That Met QC Criteria

July 4, 2014

First Posted (Estimated)

July 10, 2014

Study Record Updates

Last Update Posted (Actual)

May 22, 2026

Last Update Submitted That Met QC Criteria

May 20, 2026

Last Verified

September 1, 2016

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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