Vitamin C IPI

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Overview of Vitamin C IPI

This section defines the identity, composition, and general purpose of the medicinal preparation Vitamin C IPI, adhering strictly to non-clinical and non-commercial information.

Property Description
Active Ingredient Sodium Ascorbate (INN)
Form Typically Sterile Solution for Injection
Pharmacological Class Vitamin (Water-Soluble) / Antiscorbutic Product
General Use Prevention and correction of Ascorbic Acid deficiency
Origin Synthetic derivative

What Type of Medicine is Vitamin C IPI?

Vitamin C IPI is classified as a Vitamin and an Antiscorbutic Product used to prevent and correct severe Ascorbic Acid deficiency, a condition commonly known as Scurvy. It belongs to the high-level Drug Class: Vitamins. This preparation delivers an essential water-soluble vitamin that the body requires but cannot produce on its own. The "IPI" preparation is specifically recognized for its formulation as a sterile solution intended for parenteral (non-oral) administration, an application that is clinically recognized for ensuring nutrient delivery when rapid action or bypass of the gastrointestinal system is required.


Composition: Sodium Ascorbate and its Pharmaceutical Form

The active ingredient in this medication is Sodium Ascorbate, a chemical entity that is a synthetic mineral salt derivative of Ascorbic Acid (Vitamin C). The active compound is a salt form of the vitamin. The formulation is typically a single-ingredient aqueous solution. The critical distinction is that Sodium Ascorbate is a buffered salt, making the solution significantly less acidic and better tolerated by tissues than unbuffered Ascorbic Acid, a feature that makes it more suitable for concentrated administration.


Why is Sodium Ascorbate Essential for the Body?

The general therapeutic purpose of the active ingredient is to act as a vital cofactor and antioxidant to support the body’s numerous structural and protective systems. Vitamin C is necessary for the biosynthesis of collagen. This fundamental mechanism supports the creation of the structural protein needed to maintain the integrity of bones, blood vessels, and skin, thereby facilitating tissue repair and wound healing.

Regulatory References

  1. Scurvy: MedlinePlus Medical Encyclopedia
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What side effects are possible with Vitamin C IPI?

Possible Side Effects and Safety Information

The safety profile for parenteral Sodium Ascorbate (Vitamin C IPI equivalent) is structured around official regulatory classifications detailing known adverse reactions and specific patient risks. The documentation of side effects is primarily organized by the physiological system affected.


Officially Documented Adverse Reactions

The common or expected adverse reactions noted in regulatory documents often involve the General Disorders and Administration Site Conditions system, including localized pain and swelling at the injection site. Effects on the Nervous System, such as temporary dizziness or faintness, have been associated with rapid administration of the solution. Less frequently, mild gastrointestinal discomfort may be experienced.


Serious Adverse Reactions and Population-Specific Risks

The most serious safety concerns documented in regulatory labeling involve metabolic and renal complications. These include the risk of Hemolysis (destruction of red blood cells) in patients with Glucose-6-Phosphate Dehydrogenase (G-6-PD) deficiency. Furthermore, the development of Oxalate Nephropathy, which can lead to kidney injury or stone formation, is a risk explicitly associated with prolonged use of high doses.

Specific populations require caution: individuals with pre-existing renal disease or impairment, as well as geriatric and pediatric patients under two years of age, are defined as having an increased risk for oxalate crystal precipitation. Official safety notes also address patients with iron overload conditions or a history of renal calculus.

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Overdose and Emergency Response

Overdose Map: Overdose and when to seek help — official regulatory information for Vitamin C IPI


Overdose scope

Documented overdose presentations: Overdosage with ascorbic acid (Vitamin C), particularly with prolonged use of high doses, is officially associated with the development of acute or chronic oxalate nephropathy (kidney damage) and nephrolithiasis (kidney stones). Acidification of the urine by the substance may contribute to the precipitation of urate, cysteine, or oxalate stones.

Physiological systems affected (as stated in label): The primary systems affected are Renal/Urologic (nephrolithiasis, oxalate nephropathy) and Hematologic (hemolysis).

Dose-related or exposure-related factors: Risk is specifically linked to the prolonged use of high doses of ascorbic acid infusion.

Population-specific overdose notes: Patients with existing renal disease, including renal impairment and a history of kidney stones, are at increased risk for oxalate nephropathy. Specific risks also apply to geriatric patients and pediatric patients less than 2 years old. A major warning is the risk of severe hemolysis in patients with glucose-6-phosphate dehydrogenase (G6PD) deficiency.

Emergency-response statements: For G6PD deficient patients, the official directive is to discontinue treatment immediately if hemolysis is suspected and to treat as needed for this serious condition. The need for urgent medical attention is implied by the requirement to manage severe adverse reactions like hemolysis.

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Therapeutic Uses of Vitamin C IPI

The primary therapeutic role of Vitamin C IPI is centered on the supportive correction of severe Ascorbic Acid deficiency and the management of associated structural and systemic consequences. This injection is indicated for the management of scurvy in patients for whom oral nutrient administration is not possible or insufficient.


Correcting Severe Deficiency and Supporting Stability

This medication is commonly used to intervene against acute and severe deficiency states, providing supportive treatment for addressing the nutritional deficit. The core therapeutic domains are severe Ascorbic Acid deficiency, scurvy, conditions requiring support for wound healing and tissue repair, and addressing symptoms related to fragile blood vessels.


Addressing Symptoms and Supporting Stability

Vitamin C IPI helps address symptom clusters arising from compromised structural integrity, such as fragile blood vessels that lead to easy bruising and spontaneous bleeding gums. By supporting connective tissue health, the therapy assists with functional stability and may help ease the overall symptom burden caused by these acute manifestations. This supportive use is also relevant in clinical scenarios demanding supportive assistance for tissue repair, such as during post-surgical recovery or following trauma.

Quick Fact: Relief for Structural Fragility Vitamin C IPI is commonly used to help manage the visible symptoms of severe deficiency, including bleeding gums and unexplained bruising.

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Eligibility and Restrictions for Use

Who Can and Cannot Use Vitamin C IPI?

This section defines the populations eligible and non-eligible for use of intravenous (IPI) Vitamin C, strictly based on official regulatory documentation.


Eligibility Scope

The medicine is indicated for adult and pediatric patients aged 5 months and older. Its use is specifically restricted to patients for whom oral administration of Vitamin C is not possible, insufficient, or contraindicated.

Non-Eligibility and Restrictions

While official labeling does not list absolute contraindications, it includes critical warnings that restrict use in specific populations due to severe risk:

  • Glucose-6-Phosphate Dehydrogenase (G6PD) Deficiency: Patients with this condition are at a high risk for severe hemolysis (red blood cell destruction). A reduced dose and close monitoring are required.
  • Renal Impairment and Kidney Stones: Individuals with pre-existing renal disease, renal impairment, or a history of oxalate kidney stones are at increased risk for oxalate nephropathy (kidney damage) and require close monitoring of renal function.
  • Age Considerations: Use in pediatric patients under 5 months of age is not recommended. Patients under 2 years and geriatric patients may be at increased risk for renal issues.
  • Pregnancy and Lactation: Use in these populations should not exceed the Recommended Dietary Allowance (RDA) or Adequate Intake (AI) level for ascorbic acid.
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What should I know about interactions with other medicines?

The official regulatory interaction profile for Sodium Ascorbate injection is structured around its effects on urine acidity and its activity as a reducing agent. Documented interactions include alterations to drug clearance, modification of therapeutic activity, and interference with certain diagnostic procedures.

By causing acidification of the urine, this product can increase the renal excretion of basic drugs such as amphetamine and fluphenazine, resulting in decreased plasma concentrations of those co-administered substances. Conversely, high-dose Sodium Ascorbate may decrease the activity of several specific antibiotics, including erythromycin, lincomycin, and streptomycin. The compound is also noted to inactivate bleomycin in vitro.

Co-administration with iron-containing products may increase non-heme iron absorption. The regulatory profile specifically notes patient populations facing heightened interaction-related risk due to altered clearance: those with pre-existing renal impairment (risk of oxalate accumulation) and those with glucose-6-phosphate dehydrogenase (G6PD) deficiency (risk of hemolysis).

Furthermore, because the drug is a strong reducing agent, it is officially documented to interfere with laboratory tests based on oxidation-reduction reactions (e.g., glucose, bilirubin). A mandatory restriction is to delay these tests for at least 24 hours after administration.

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Mechanism of Action

The mechanism of Sodium Ascorbate (Ascorbate/Vitamin C) is defined by its role as an essential cofactor and reducing agent across multiple enzyme systems. Ascorbate acts as a specific electron donor for the Fe- and 2-Oxoglutarate-Dependent Dioxygenases, notably Prolyl Hydroxylase and Lysyl Hydroxylase. This interaction is required for the hydroxylation of procollagen chains, which enables the stability and formation of the rigid collagen triple helix. This core process results in the necessary formation of stable collagen fibers across connective tissues, including vascular and bone matrix.

Additionally, Ascorbate is an effective water-soluble antioxidant that participates in cellular protection by acting as a reducing agent to neutralize damaging Reactive Oxygen Species (ROS) and free radicals. This mechanism helps maintain cellular redox balance and protects macromolecules from oxidative damage. Furthermore, Ascorbate is required as a cofactor for other enzymes, such as Dopamine beta-Hydroxylase, enabling the critical conversion of dopamine into norepinephrine, and for gamma-Butyrobetaine Hydroxylase to facilitate carnitine synthesis for fatty acid transport.

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Dosage and Administration Information

Vitamin C IPI, provided as a Sterile Solution for Injection, is administered exclusively via the parenteral route to provide focused support for correcting severe ascorbic acid deficiency. The identified routes of administration include Intravenous (IV) Infusion, Intramuscular (IM) injection, and Subcutaneous (SC) injection. The choice of route is determined by the patient's condition, with IV administration often reserved for acute needs or when absorption through the gastrointestinal system is insufficient.

Dosing Regimens and Frequency

The standard adult dosing regimen for managing deficiency is typically in the range of 100 mg to 250 mg per administration, usually given once or twice daily. Dosage for pediatric patients is adjusted based on age, with typical regimens for children over one year of age being approximately 100 mg once daily.

Administration Requirements and Duration

The medication is structured for acute intervention and is not intended for long-term maintenance. Treatment generally continues until the clinical signs of the deficiency subside, with a maximum recommended duration of seven days. For IV use, the concentrated solution is not administered directly; it must be diluted with a compatible infusion fluid, such as Dextrose or Sodium Chloride Injection, to ensure the final solution is suitable for a slow intravenous infusion. This preparation and the requirement for a slow rate define the usage protocol as taking place in a supervised clinical setting. Furthermore, dose reduction may be considered for patients with underlying renal impairment due to the potential for metabolite accumulation.

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Recent Clinical Evidence

Recent Clinical Evidence for High-Dose Intravenous Vitamin C

Clinical research into Intravenous (IV) Vitamin C (ascorbic acid) focuses primarily on its use in oncology and critical care, where high plasma concentrations, unattainable by oral intake, can be achieved.

Oncology and Supportive Care

  • Combination Therapy: Studies have investigated IV Vitamin C as an adjunct to standard chemotherapy for various solid tumors. Recent phase 2 trials in advanced pancreatic cancer and glioblastoma have explored whether adding high-dose IV Vitamin C to standard treatment may be associated with improved survival outcomes.
  • Quality of Life: Multiple clinical studies, including both retrospective and controlled trials, have examined the potential for IV Vitamin C to improve the quality of life for patients with cancer. Reported findings suggest it may be associated with a decrease in chemotherapy-related side effects such as fatigue, nausea, and pain.
  • Limitations: Findings across oncology studies remain mixed. Some randomized trials, such as those in metastatic castration-resistant prostate cancer, did not demonstrate a clear benefit when IV Vitamin C was combined with chemotherapy.

Critical Care and Sepsis

  • Sepsis: The use of high-dose IV Vitamin C in patients with sepsis and septic shock has been the subject of several randomized controlled trials and meta-analyses. Research has investigated its impact on outcomes, including short-term mortality and the duration of organ support.
  • Inconsistent Results: While some early, smaller trials suggested a potential reduction in mortality and a shorter hospital stay, larger, more recent randomized trials and systematic reviews have yielded inconsistent or neutral conclusions regarding its effect on overall survival in patients with septic shock. Current research is continuing to evaluate the role of IV Vitamin C monotherapy versus combination protocols in this setting.

Key Studies & References

  1. High-dose IV vitamin C plus chemotherapy doubles survival in advanced pancreatic cancer (Summarizing Phase 2 RCT findings)
  2. Clinical trial results for High-Dose Intravenous Vitamin C combined with standard chemotherapy and radiation in patients with glioblastoma (mentioned in press summary)
  3. A Randomized, Controlled Trial of Vitamin C, Hydrocortisone, and Thiamine for Sepsis (CITRIS-ALI Trial - focused on outcomes like time in ICU/hospital)
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Frequently Asked Questions (FAQ)

Common questions about Vitamin C IPI (FAQ)

Q: Is Vitamin C IPI the same as the Vitamin C found in food supplements?

No, there are important differences. Vitamin C IPI is classified as a drug and uses the synthetic salt form, Sodium Ascorbate, in a sterile solution. It is specifically formulated for parenteral (non-oral) administration in a clinical setting to correct severe deficiency. This approach allows for significantly higher concentrations in the body than can typically be achieved with oral food supplements.

Q: Are the side effects of Vitamin C IPI usually mild?

Regulatory documents describe a range of reactions. Common adverse effects, such as pain and swelling at the injection site or temporary dizziness, may be experienced. However, it is important to note that the official warnings also describe the potential for rare, more serious safety concerns, like hemolysis (red blood cell destruction) and kidney issues in certain susceptible patients.

Q: Are there any common over-the-counter medicines that could interact with Vitamin C IPI?

The official product information describes interactions with several classes of drugs, including certain basic drugs (where excretion may be increased) and some antibiotics (where activity may be decreased). The product may also increase the absorption of non-heme iron when taken with iron-containing products. All potential drug combinations, including over-the-counter products, are typically reviewed by a healthcare professional.

Q: Does taking Vitamin C IPI affect the results of any lab tests?

Yes, regulatory documents explicitly state that this medication can interfere with certain lab procedures. Because the drug is a strong reducing agent, it can affect tests that rely on oxidation-reduction reactions, such as those for glucose and bilirubin. Regulatory documents recommend delaying laboratory testing for at least 24 hours following administration to minimize interference.

Q: What happens if Vitamin C IPI is exposed to light or heat?

The official product instructions require strict adherence to storage conditions. The solution must be protected from light and stored at a Controlled Room Temperature of 20 C to 25 C (68 F to 77 F). Exposure to conditions outside this range could potentially compromise the product’s integrity and stability.

Q: Does Vitamin C IPI have any restrictions for use during pregnancy?

Yes, official labeling includes restrictions for its use in pregnant and lactating patients. Administration of ascorbic acid in these populations is restricted and should not exceed the Recommended Dietary Allowance (RDA) or Adequate Intake (AI) level.

Q: Can a person stop using Vitamin C IPI suddenly?

Vitamin C IPI is approved for short-term treatment to address acute deficiency, with regulatory labels recommending a maximum duration of around seven days. The treatment is meant to continue until the clinical signs of the deficiency resolve, suggesting that its use stops when the treatment goal is met.

Q: Can Vitamin C IPI cause changes in urine color?

Official safety data indicates the product can cause acidification of the urine, which may result in the precipitation of oxalate or urate crystals. Some regulatory sources also list haematuria (blood in the urine) as a possible adverse effect, which can result in a change to the urine's appearance.

Q: Is it safe to use Vitamin C IPI with common pain relievers?

Regulatory documents list drug-drug interactions based on chemical classes, such as with certain basic drugs and antibiotics, but do not specifically name common pain relievers. The determination of compatibility between Vitamin C IPI and other medicines, including common pain relievers, is made by the administering health professional.

Q: How long is a typical course of treatment with Vitamin C IPI?

The product is officially indicated for short-term treatment of ascorbic acid deficiency (scurvy). One regulatory label specifies that the recommended maximum duration of daily treatment is seven days.

Q: Is it true that Vitamin C IPI can cause stomach upset?

Official documentation lists mild gastrointestinal discomfort as a potential adverse reaction. Other documented gastrointestinal effects that have been reported include nausea, vomiting, and abdominal pain.

Q: What happens if a person forgets to take a scheduled dose of Vitamin C IPI?

The medication is administered in a clinical setting by a healthcare professional for a specific period. For any missed dose of this medication, the appropriate action is determined by the healthcare provider.

Q: What is the approved storage temperature for the product?

The official requirement is to store the product at Controlled Room Temperature, defined as 20 C to 25 C (68 F to 77 F). The solution must also be protected from light to maintain its required quality.

Q: Is there a maximum amount of Vitamin C IPI that can be used?

Regulatory labeling specifies the recommended range for a single administration. Furthermore, the overall treatment duration is limited to a recommended maximum of seven days to reduce the risk of potential complications.

Q: Can Vitamin C IPI be used by children?

Yes. According to the official patient information, the medicine is indicated for use in pediatric patients aged 5 months and older. However, special caution and monitoring are required for patients under two years due to a potential increased risk of renal issues.

Q: Does Vitamin C IPI make you feel tired or energized?

Official safety documents list fatigue and somnolence (drowsiness) among the reported adverse effects. Conversely, the condition this drug is approved to treat is often characterized by lethargy (tiredness), suggesting its use may help resolve this symptom.

Q: Is a blood test required before starting Vitamin C IPI?

The official warnings require that patients with specific pre-existing conditions, such as G6PD deficiency or renal impairment, be identified because they face severe risks. Regulatory documents specify that blood and urine tests may be needed during therapy to monitor for the presence of unwanted effects.

Q: Is it normal to feel a tingling sensation after an injection of Vitamin C IPI?

Officially documented adverse reactions at the injection site typically include localized pain and swelling. A tingling or unusual sensation (paresthesia) is not listed among the most commonly reported reactions. As with any unexpected sensation, unusual feelings are typically addressed by reporting them to the administering health professional.

Q: What steps are usually taken if a person experiences a severe side effect?

Since the medication is given in a supervised setting, the official labeling directs that in the event of signs of a severe side effect, such as hemolysis or kidney problems, immediate consultation with the administering doctor or nurse is necessary.

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How should Vitamin C IPI be stored and disposed of?

Storage and Disposal of Vitamin C Injection (Ascorbic Acid IPI)

Official regulations require strict adherence to storage and handling instructions to maintain product integrity.


Storage and Stability Conditions

Condition Regulatory Requirement
Temperature Store at 20°C to 25°C (68°F to 77°F) (Controlled Room Temperature).
Light Protection Must be protected from light during storage and light exposure must be minimized during preparation.
Post-Puncture Limit If the Pharmacy Bulk Package seal is broken, the contents must be used or dispensed within 4 hours.
Child Safety Keep the injection out of the sight and reach of children.

Disposal Instructions

Any unused portion remaining after the 4-hour limit, or any expired product, must be discarded according to local guidelines for pharmaceutical waste. Used needles and vials must be placed in a dedicated sharps disposal container.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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