Ciclosporin

Author: Hon A/Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand, 1998. Updated by Anna Yu Luo, Medical Registrar, Department of General Medicine, Rotorua Hospital, Rotorua, NZ. DermNet NZ Editor in Chief: Adjunct A/Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand. Copy edited by Gus Mitchell. November 2018.


What is ciclosporin?

Ciclosporin is an immunosuppressant medication that is used to treat a number of inflammatory illnesses. It is used for conditions that affect the skin and for conditions that affect other body organs. In New Zealand, ciclosporin is available and fully funded as a tablet and as an oral liquid. It is also available unfunded as eye drops and as an injection [1].

Ciclosporin works by selectively blocking calcineurin, a chemical found in the T-cells of the immune system. Calcineurin inhibits T-cell activation and reduces the activity of the immune system [2].

Skin conditions that are sometimes treated with ciclosporin

Who uses ciclosporin?

In dermatology, ciclosporin can be used as a systemic agent for adults and children with severe skin conditions that are not adequately treated with topical therapies alone.

Common skin conditions that ciclosporin is used to treat are atopic eczema/dermatitis and psoriasis.

Less common skin conditions for which ciclosporin is sometimes used off-licence include:

Other systemic uses of ciclosporin include:

  • To prevent organ rejection after a solid-organ transplantation (such as kidney transplant, lung transplant, liver transplant, or heart transplant)
  • To prevent or treat graft-versus-host disease (a possible complication of bone marrow transplantation)
  • To treat nephrotic syndrome
  • To treat severe rheumatoid arthritis [1,2].

Topical ciclosporin eye drops can be used for keratoconjunctivitis and endogenous uveitis [4]. When used as an eye drop, there are usually undetectable levels absorbed into the bloodstream [4].

There are other off-label uses of ciclosporin, and cases where ciclosporin has been effective, even though it is not usually used for those conditions. Examples include the treatment of Steven-Johnson / toxic epidermal necrolysis, and treatment of severe acute ulcerative colitis that has not responded to other treatments [1,5].

What are the contraindications with ciclosporin?

People who should not use ciclosporin include those who have:

In most cases, people who develop these conditions while on ciclosporin should have the ciclosporin withheld or discontinued [1].

Tell me more about ciclosporin

Ciclosporin is a small lipophilic (fat-binding) protein, made up of a circular chain of 11 amino acids. It is originally derived from fungi. It is absorbed by the intestine after oral administration, and is metabolised by cytochrome P-450 CYP3A enzymes in the liver. Ciclosporin is then excreted in the bile [2,6].

All systemic forms of ciclosporin should initially be administered twice a day (every 12 hours), at the same time each day. Its metabolism differs between adults and children. In children, ciclosporin is likely absorbed slower and cleared quicker, so children may need to take ciclosporin three times a day.

When given orally, ciclosporin takes approximately one to eight hours to reach peak blood concentrations. Its elimination half-life is variable.

There are now two forms of ciclosporin; a modified version and the original, unmodified formulation [6].

  • The unmodified formulation can be given orally or as an injection, but gut absorption is variable. The oral form requires bile to be absorbed.
  • The modified version can only be given orally, but does not rely on bile for absorption and is better and more reliably absorbed from the gut. Its half-life is around 19 hours.

Ciclosporin does not have to be given with food, but should be given at the same time in relation to meals. The liquid formulation can be mixed with fruit juice (except grapefruit juice) to improve the taste, but should be given straight after mixing. Ciclosporin solutions can adhere to plastic, so should be given in a non-plastic container [6].

The administered dose of ciclosporin is based on body weight and the condition being treated, usually 2–15 mg/kg per day in divided doses. Adjustments to the dose are made based on improvement of symptoms and adverse effects. Blood tests for ciclosporin concentrations in the blood can also be helpful, and is done in one of two ways:

  • Blood test 12 hours after the first dose, before the second dose (12-hour trough level)
  • Blood test 2 hours after the first dose (peak dose).

The dose can then be increased or decreased by 25–50 mg at the time of next administration [2,6].

After disease remission is achieved, usually after 6–8 weeks of treatment, the dose of ciclosporin can be slowly reduced. Ciclosporin can eventually be given intermittently, such as twice weekly, as maintenance therapy. This is often continued for a longer period of time, such as up to a year [7,8].

What are the benefits of ciclosporin?

Ciclosporin is an effective medication that can be used for a wide range of conditions.

Ciclosporin is a safe medication when used under the guidance and monitoring of an experienced health professional. For some conditions, such as severe atopic dermatitis, ciclosporin is one of the few treatment options available. Although there are new medications (biologics) currently under development for atopic eczema and psoriasis, these have not yet been shown to be superior in effect to ciclosporin [7–10].

What are the disadvantages of ciclosporin?

Ciclosporin can interact with some food, such as grapefruit, and other medications. It is important to check for interactions prior to starting any new medication. Some common medications that interact with ciclosporin include:

These medications should be avoided, or if not possible, ciclosporin levels should be monitored closely [1,2,6].

  • Given the risk of toxicity to the kidneys and other body organs, regular general blood tests, and monitoring by a doctor is required during treatment with ciclosporin.

Use in pregnant women

Ciclosporin is a category B medication. There are limited studies regarding the use of ciclosporin use in pregnancy and breastfeeding, and the safety of this medication is not well-established. Although it has previously been used safely and has demonstrated non-teratogenicity (ie, it does not cause birth defects), it should be avoided unless the benefits outweigh potential harm [1,2,8,9]. There are specific concerns about the risk of inducing hypertension.

Use in older people

There are limited studies on the use of ciclosporin for skin conditions in older people. Caution is needed to avoid drug-drug interactions and aggravation of any co-morbidities such as poor renal function [8,9].

There is a risk of recurrence or flare of disease, such as worsening of atopic eczema or psoriasis after ciclosporin treatment is discontinued. This is mitigated by reducing the dose slowly and gradually [10].

What are the side effects and risks of ciclosporin?

Ciclosporin has important potential risks. The risk of side effects increases with longer duration of treatment. Common side effects include:

  • Stomach or intestinal upset (such as nausea, stomach pain, loss of appetite, vomiting or diarrhoea)
  • Headache and muscle aches
  • Nephrotoxicity (damage to kidneys)
  • Hepatotoxicity (damage to the liver)
  • New or worsening hypertension
  • Increased risk of infection (acute and chronic)
  • Paraesthesia (tingling), commonly affecting the hands, feet or lips [1,2].

Other important risks with ciclosporin include:

  • Small increased risk of certain malignancies, especially cutaneous squamous cell carcinoma and lymphoproliferative disorders such as lymphoma
  • New onset of diabetes mellitus, or worsening of pre-existing diabetes
  • New or worsening dyslipidaemia
  • A flare of gout
  • Electrolyte disturbances such as hyperkalaemia and hypomagnesaemia
  • Hypertrichosis
  • Gingival hyperplasia
  • Interactions with medications [1,2,6–9].
Adverse effects of ciclosporin

It is important to evaluate each person’s risk prior to beginning treatment with ciclosporin. A general physical examination should be done prior to starting ciclosporin.

Blood tests are undertaken for kidney function, liver function, full blood count, fasting lipid profile, electrolytes and screening for chronic infections.

Routine immunisations may need to be reviewed and updated, such as those for measles, and varicella zoster [3].

Patients can reduce the risk of developing side effects by modifying their lifestyle. 

  • Seek prior approval from their treating health professional before taking any new medications or over-the-counter supplements.
  • Avoid excessive sunlight exposure, sunbeds and phototherapy.
  • Avoid medications that can irritate the stomach.
  • Seek early treatment of any infection or fever.
  • Avoid excessive intake of alcohol.
  • Have regular dental check-ups.

It is recommended that blood pressure should be measured once to twice-weekly for the first month, then monthly thereafter [3].

Repeat blood tests can be done once monthly for the first 3 months, then less frequently thereafter.

New Zealand approved datasheets are the official source of information for these prescription medicines, including approved uses and risk information. Check the individual New Zealand datasheet on the Medsafe website.

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References

  1. New Zealand Formulary. Ciclosporin (systemic). September 2018. Available at: https://www.nzf.org.nz/nzf_4748 (accessed 26 September 2018).
  2. New Zealand Data Sheet. Neoral ciclosporin. October 2014. Available at: http://www.medsafe.govt.nz/profs/datasheet/n/Neoralsolcap.pdf (accessed 10 October 2018).
  3. Oakley, A. Ciclosporin. 1998. DermNet NZ (accessed 10 October 2018).
  4. New Zealand Formulary. Ciclosporin (eye). September 2018. Available at: https://www.nzf.org.nz/nzf_6013 (accessed 26 September 2018).
  5. Zimmermann S, Sekula P, Venhoff M, et al. Systemic immunomodulating therapies for Stevens-Johnson syndrome and toxic epidermal necrolysis: a systematic review and meta-analysis. JAMA Dermatol 2017; 153(6): 514–22. doi: 10.1001/jamadermatol.2016.5668. PubMed Central
  6. UpToDate. Pharmacology of cyclosporine and tacrolimus. 2018. UpToDate (accessed 26 September 2018).
  7. Galli E, Neri I, Ricci G, et al. Consensus conference on clinical management of pediatric atopic dermatitis. Ital J Pediatr 2016; 42: 26. doi: 10.1186/s13052-016-0229-8. PubMed Central
  8. Gooderham M, Lynde C, Papp K, et al. Review of systemic treatment options for adult atopic dermatitis. J Cutan Med Surg 2017; 21(1): 31–9. doi: 10.1177/1203475416670364. Journal
  9. Gisondi P, Giglio M, Girolomoni G. Treatment approaches to moderate to severe psoriasis. Int J Mol Sci 2017; 18(11): 2427. doi: 10.3390/ijms18112427. PubMed Central
  10. Napolitano M, Megna M, Balato A, et al. Systemic treatment of pediatric psoriasis: A review. Dermatol Ther (Heidelb) 2016; 6(2): 125–42. doi: 10.1007/s13555-016-0117-6. PubMed Central

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