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Ciclosporin

Ciclosporin, also known as cyclosporine, is a powerful immunosuppressant drug that has been the subject of numerous clinical trials. These studies aim to explore its effectiveness in treating various medical conditions, from organ transplantation to autoimmune diseases. This article summarizes key findings from recent clinical trials investigating the use of ciclosporin in different medical scenarios, providing insights into its potential benefits and applications.

Table of Contents

What is Ciclosporin?

Ciclosporin, also known as cyclosporine, is a powerful medication that belongs to a class of drugs called immunosuppressants. It works by suppressing or reducing the activity of your immune system. Ciclosporin is available under various brand names, including Sandimmun[1], Neoral[2], and Iminoral[2]. In some cases, it may also be referred to as CsA[3].

Medical Uses of Ciclosporin

Ciclosporin is used to treat a variety of medical conditions, primarily those involving the immune system. Some of the main uses include:

  • Organ Transplantation: Ciclosporin is commonly used to prevent rejection in patients who have received organ transplants, particularly liver and kidney transplants[2][1]. It helps to suppress the immune system’s natural response to attack the transplanted organ.
  • Autoimmune Disorders: The drug is used in treating various autoimmune conditions, where the immune system mistakenly attacks the body’s own tissues. These include:
    • Dry Eye Syndrome: A condition where the eyes don’t produce enough tears or the tears evaporate too quickly[4].
    • Rheumatoid Arthritis: An inflammatory disorder affecting the joints[2].
    • Psoriasis: A skin condition causing red, itchy, scaly patches[2].
  • Neurological Conditions: Ciclosporin is being studied for its potential in treating certain neurological disorders, such as HTLV-I Associated Myelopathy/Tropical Spastic Paraparesis (HAM/TSP), a chronic disease of the spinal cord caused by a virus[5].
  • Periodontal Disease: Some research is exploring the use of locally delivered ciclosporin in treating periodontal pockets, which are spaces or gaps that form between your teeth and gums[6].
  • Leprosy Reactions: Ciclosporin is being investigated as a potential treatment for steroid-resistant Type 1 reactions in leprosy, a complex bacterial infection that affects the skin and nerves[7].

How Ciclosporin is Administered

Ciclosporin can be administered in several ways, depending on the condition being treated and the specific formulation:

  • Oral Capsules: Often given as capsules to be taken by mouth, usually twice daily. The dosage is typically based on your body weight[2][1].
  • Intravenous (IV) Infusion: In some cases, particularly immediately after organ transplantation, ciclosporin may be given as an IV infusion. This is usually done in a hospital setting[1].
  • Eye Drops: For conditions like dry eye syndrome, ciclosporin may be administered as eye drops[4].
  • Topical Application: In some dental procedures, ciclosporin may be applied directly to the gums in the form of a gel[6].

The dosage and duration of treatment can vary significantly depending on the condition being treated and individual patient factors. Your doctor will carefully monitor your blood levels of ciclosporin to ensure you’re receiving the right amount[1].

Effectiveness of Ciclosporin

The effectiveness of ciclosporin has been demonstrated in various clinical settings:

  • Organ Transplantation: Ciclosporin has been shown to significantly reduce the incidence of organ rejection in transplant patients. For example, in liver transplant recipients, it has been effective in preventing biopsy-proven acute rejection (BPAR) in the months following transplantation[1].
  • Dry Eye Syndrome: Studies have shown that ciclosporin eye drops can improve the accuracy of pre-operative measurements in cataract patients with dry eye disease, potentially leading to better surgical outcomes[4].
  • Neurological Conditions: In the treatment of HAM/TSP, ciclosporin has shown promise in improving nerve function and reducing inflammation in the spinal cord[5].
  • Periodontal Disease: Research is ongoing to determine if locally delivered ciclosporin can improve healing after treatment of periodontal pockets[6].

Potential Side Effects

As with any powerful medication, ciclosporin can cause side effects. Some potential side effects include:

  • Kidney Problems: Ciclosporin can affect kidney function, so regular monitoring of kidney function is important[1].
  • Increased Risk of Infections: Because ciclosporin suppresses the immune system, it can increase your risk of getting infections[1].
  • High Blood Pressure: Some patients may experience an increase in blood pressure while taking ciclosporin[1].
  • Liver Problems: In some cases, ciclosporin can affect liver function[1].
  • Tremors: Some patients may experience shaking or trembling, particularly in the hands[1].

It’s important to discuss potential side effects with your doctor and report any unusual symptoms you experience while taking ciclosporin.

Ongoing Research and Future Prospects

Research into new uses and formulations of ciclosporin is ongoing. Some areas of current investigation include:

  • Hepatitis C Treatment: Studies are exploring whether switching from another immunosuppressant (tacrolimus) to ciclosporin could improve outcomes in liver transplant patients with recurrent hepatitis C[3].
  • New Formulations: Researchers are developing and testing new formulations of ciclosporin, such as NEUROSTAT®, a lipid emulsion that may have advantages over older formulations[8].
  • Expanded Use in Autoimmune Disorders: Ongoing studies are investigating the potential of ciclosporin in treating a wider range of autoimmune and inflammatory conditions[2][5][7].

As research continues, our understanding of how best to use ciclosporin to treat various conditions will likely improve, potentially leading to better outcomes for patients.

Condition Study Focus Key Findings/Objectives
Renal Transplantation Comparison of Iminoral vs Neoral Evaluating efficacy in preventing acute rejection and comparing side effects
Dry Eye Syndrome Effect of Cequa (cyclosporine) on pre-operative biometry Assessing impact on accuracy of measurements and corneal aberrations in cataract patients
Leprosy-related reactions Ciclosporin for steroid-resistant Type 1 Reactions Pilot study on efficacy and safety as a second-line treatment
HTLV-I Associated Myelopathy Ciclosporin therapy in early or progressing HAM/TSP Observational trial to explore therapeutic benefit
Periodontitis Locally delivered ciclosporin as adjunct treatment Investigating effect on healing after periodontal pocket treatment
Recurrent Hepatitis C post-liver transplant Switch from tacrolimus to cyclosporin Assessing impact on virological response in combination with antiviral therapy

FAQ

  • What is ciclosporin and how does it work? Ciclosporin is an immunosuppressant drug that works by inhibiting the immune system. It is commonly used to prevent organ rejection in transplant patients and to treat certain autoimmune conditions. Ciclosporin works by blocking the action of certain immune cells, reducing inflammation and preventing the body from attacking its own tissues or transplanted organs.
  • In which medical conditions is ciclosporin being studied? Clinical trials are exploring the use of ciclosporin in various conditions, including renal transplantation, dry eye syndrome, leprosy-related reactions, HTLV-I associated myelopathy, periodontitis, and recurrent hepatitis C after liver transplantation. These studies aim to assess its effectiveness and safety in different medical scenarios.
  • How is ciclosporin administered in clinical trials? The administration of ciclosporin varies depending on the condition being treated and the specific trial. It can be given orally in capsule form, intravenously as an infusion, or applied locally as a gel. For example, in renal transplant studies, it's often given orally, while in periodontitis trials, it may be applied directly to the gums.
  • What are some potential side effects of ciclosporin? Common side effects of ciclosporin can include kidney problems, high blood pressure, increased risk of infections, and liver issues. In clinical trials, researchers closely monitor patients for these and other potential adverse effects. It's important to note that the risk and severity of side effects can vary depending on the dosage and route of administration.
  • How long do ciclosporin clinical trials typically last? The duration of ciclosporin clinical trials varies widely depending on the condition being studied and the specific goals of the research. Some trials may last just a few weeks, while others can extend for several months or even years. For example, in the study of ciclosporin for HTLV-I associated myelopathy, patients were treated for 48 weeks with an additional 6 months of follow-up.

Ongoing Clinical Trials on Ciclosporin

  • Study of immunosuppression reduction in kidney transplant patients with septic shock or respiratory failure receiving drug combination therapy in intensive care

    Recruiting

    1 1 1 1
    Investigated drugs:
    France

  • Study on Low-Dose Aldesleukin and Ciclosporin for Patients with Newly Diagnosed Type 1 Diabetes Retaining Insulin Secretion

    Recruiting

    1 1
    Investigated drugs:
    France

  • Study on the Effects of Cyclosporine A in Patients with Takotsubo Syndrome

    Recruiting

    1 1
    Investigated diseases:
    Investigated drugs:
    Germany

  • Study of belatacept, tacrolimus and ciclosporin in heart transplant patients at risk of kidney failure

    Recruiting

    1 1 1
    Investigated drugs:
    France

  • Study on the Effects of Belatacept, Ciclosporin, and Tacrolimus on Blood Vessel Health in Kidney Transplant Patients

    Recruiting

    1 1 1 1
    Investigated drugs:
    France

  • Study of KYV-101 Therapy for Patients with Refractory Generalized Myasthenia Gravis

    Recruiting

    1 1 1 1
    Investigated diseases:
    Investigated drugs:
    Germany

  • Study on Long-term Safety and Efficacy of Efgartigimod in Adults with Active Idiopathic Inflammatory Myopathy Using a Drug Combination

    Recruiting

    1 1 1 1
    Investigated drugs:
    Austria Belgium Bulgaria Cyprus Czechia Denmark +13

  • Study Comparing Thymoglobulin and Grafalon for Preventing Graft Versus Host Disease in Elderly Patients with Acute Myeloid Leukemia or Myelodysplastic Syndrome

    Recruiting

    1 1 1 1
    Investigated diseases:
    Investigated drugs:
    France

  • Study on Reducing or Stopping Immunosuppression with Tacrolimus and Ciclosporin in Patients with Late Kidney Transplant Failure

    Recruiting

    1 1 1 1
    Investigated diseases:
    Investigated drugs:
    Spain

  • Study on Ciclosporin for Treating Atopic Keratoconjunctivitis in Adults

    Recruiting

    1 1
    Investigated drugs:
    Denmark

Glossary

  • Ciclosporin: An immunosuppressant drug used to prevent organ rejection in transplant patients and treat certain autoimmune conditions. It works by inhibiting the immune system's activity.
  • Renal Transplantation: A surgical procedure where a healthy kidney from a donor is placed into a person whose kidneys no longer function properly.
  • Acute Rejection: A rapid immune response against a transplanted organ, which can lead to organ failure if not treated promptly.
  • Dry Eye Syndrome: A condition where the eyes don't produce enough tears or the tears evaporate too quickly, leading to discomfort and potential vision problems.
  • HTLV-I Associated Myelopathy (HAM): A chronic neurological disease caused by the human T-cell lymphotropic virus type I (HTLV-I), affecting the spinal cord and leading to progressive weakness and other symptoms.
  • Periodontitis: A serious gum infection that damages the soft tissue and can destroy the bone that supports teeth if left untreated.
  • Hepatitis C: A viral infection that causes liver inflammation, sometimes leading to serious liver damage.
  • Bioequivalence: The absence of a significant difference in the rate and extent at which the active ingredient in pharmaceutical equivalents becomes available at the site of drug action when administered at the same dose under similar conditions.
  • Pharmacokinetics: The study of how a drug is absorbed, distributed, metabolized, and excreted by the body over time.
  • Biopsy Proven Acute Rejection (BPAR): Confirmation of organ rejection through microscopic examination of a small sample of the transplanted organ tissue.

References

  1. https://clinicaltrials.gov/study/NCT00332462
  2. https://clinicaltrials.gov/study/NCT00656695
  3. https://clinicaltrials.gov/study/NCT00375895
  4. https://clinicaltrials.gov/study/NCT04342988
  5. https://clinicaltrials.gov/study/NCT00773292
  6. https://clinicaltrials.gov/study/NCT02366585
  7. https://clinicaltrials.gov/study/NCT00919451
  8. https://clinicaltrials.gov/study/NCT01692834