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Calcineurin inhibitor Pregnancy: §4.6: 'There are no adequate or well-controlled clinical studies in pregnant women using ciclosporin... Pregnant women receiving immunosuppressive therapies after transplantation, including ciclosporin and ciclosporin containing regimens, are at risk of premature delivery (<37 weeks). Embryo-foetal developmental studies in rats and rabbits with ciclosporin have shown embryofoetal toxicity at dose levels below the maximum recommended human dose based on body surface area. Ciclosporin should not be used during pregnancy unless the potential benefit to the mother outweighs the potential risk to the foetus.' Registry data (kidney, liver and heart transplant recipients) 'indicated successful pregnancies with a live birth rate of 76% and 76.9%, and 64% ... The rates of miscarriages and major birth defects were reported to be comparable to the rates observed in the general population.' Breast-feeding: ciclosporin enters breast milk, usually in low amounts, and 'is not recommended during breastfeeding due to the potential for adverse reactions in the infant'. The ethanol content of the formulation must also be taken into account in pregnancy and breast-feeding. This summary may be incomplete — check the full SPC.

Ciclosporin

Brand names: Neoral, Sandimmun, Capimune, Deximune, Vanquoral

Ciclosporin is a calcineurin-inhibitor immunosuppressant used in rheumatology as a disease-modifying agent for severe rheumatoid arthritis and other autoimmune conditions unresponsive to first-line therapy.

Adult dose

Dose: Non-transplantation indications, oral, daily dose given in two divided doses. RHEUMATOID ARTHRITIS (§4.2 verbatim): 'For the first six weeks of treatment, the recommended dose is 3 mg/kg/day orally given in two divided doses. If the effect is insufficient, the daily dose may then be increased gradually as tolerability permits but should not exceed 5 mg/kg. To achieve full effectiveness, up to 12 weeks of Capimune therapy may be required.' With low-dose weekly methotrexate in patients with insufficient response to methotrexate alone: 'using 2.5 mg/kg Capimune in 2 divided doses per day initially, with the option to increase the dose as tolerability permits'. PSORIASIS (§4.2 verbatim): 'For inducing remission, the recommended initial dose is 2.5 mg/kg/day orally given in two divided doses. If there is no improvement after 1 month, the daily dose may be gradually increased, but should not exceed 5 mg/kg... Initial dose of 5 mg/kg/day is justified in patients whose condition requires rapid improvement.' ATOPIC DERMATITIS (§4.2 verbatim): 'The recommended dose range is 2.5 to 5 mg/kg/day given in 2 divided oral doses. If a starting dose of 2.5 mg/kg/day does not achieve a satisfactory response within 2 weeks, the daily dose may be rapidly increased to a maximum of 5 mg/kg.'
Route: Oral — capsules swallowed whole, 'administered on a consistent schedule with regard to time of day and in relation to meals'. The SPC notes that if the concentrate for solution for infusion is used, 'careful consideration should be given to administering an adequate intravenous dose that corresponds to the oral dose'; it gives no separate intravenous figure for the non-transplant indications.
Frequency: Twice daily — the daily dose is given in two divided doses equally distributed throughout the day.
Max: Not expressible as an absolute milligram ceiling — the SPC's ceiling is weight-based, and it is scoped to NON-transplantation indications only (with stated exceptions). See notes; it must not be applied to the transplantation regimens, whose licensed doses are far higher.
CEILING, WITH ITS SPC QUALIFIER (this sentence sits inside the §4.2 block headed 'Non-transplantation indications', which opens 'When using Capimune in any of the established non-transplantation indications, the following general rules should be adhered to'): 'Except in patients with sight-threatening endogenous uveitis and in children with nephrotic syndrome, the total daily dose must never exceed 5 mg/kg.' It does NOT cap the transplantation regimens below. GENERAL RULES FOR NON-TRANSPLANT USE (§4.2): establish a reliable baseline of renal function by at least two measurements before starting (eGFR by MDRD in adults, an appropriate formula in children); 'If eGFR decreases by more than 25% below baseline at more than one measurement, the dosage of Capimune should be reduced by 25 to 50%. If the eGFR decrease from baseline exceeds 35%, further reduction of the dose of Capimune should be considered... If dose reduction is not successful in improving eGFR within one month, Capimune treatment should be discontinued.' 'For maintenance treatment the lowest effective and well tolerated dosage should be determined individually.' Treatment should be discontinued where no adequate response is achieved in the stated time or the effective dose is incompatible with the safety guidelines (psoriasis: 'in patients in whom sufficient response of psoriatic lesions cannot be achieved within 6 weeks on 5 mg/kg/day'). Atopic dermatitis: 'Although an 8-week course of therapy may be sufficient to achieve clearing, up to 1 year of therapy has been shown to be effective and well tolerated, provided the monitoring guidelines are followed.' PRESCRIBER/BRAND: 'Capimune should only be prescribed by, or in close collaboration with, a physician with experience of immunosuppressive therapy and/or organ transplantation'; psoriasis and atopic dermatitis treatment 'should be initiated by physicians with experience in the diagnosis and treatment' of the condition. 'The switch from one oral ciclosporin formulation to another should be made under physician supervision, including monitoring of blood levels of ciclosporin for transplantation patients.' OTHER NON-TRANSPLANT INDICATIONS IN THE SAME SPC (different indications — do not apply to the above): endogenous uveitis, 'initially 5 mg/kg/day orally given in 2 divided doses... In refractory cases, the dose can be increased to 7 mg/kg/day for a limited period', with systemic corticosteroid 0.2 to 0.6 mg/kg prednisone or equivalent if needed; nephrotic syndrome, recommended daily dose in 2 divided oral doses — 'adults: 5 mg/kg; children: 6 mg/kg', and 'In patients with impaired renal function, the initial dose should not exceed 2.5 mg/kg/day', not exceeding 5 mg/kg/day in adults and 6 mg/kg/day in children. TRANSPLANTATION REGIMENS FROM THE SAME SPC — SEPARATE INDICATION, HIGHER DOSES, THE 5 mg/kg NON-TRANSPLANT CEILING DOES NOT APPLY: solid organ transplantation, 'initiated within 12 hours before surgery at a dose of 10 to 15 mg/kg given in two divided doses', maintained 1-2 weeks post-operatively then gradually reduced to 'a recommended maintenance dose of about 2 to 6 mg/kg given in 2 divided doses' (lower doses, e.g. 3-6 mg/kg in two divided doses initially, when combined with corticosteroids or in triple/quadruple therapy); bone marrow transplantation, intravenous 3 to 5 mg/kg/day from the day before transplantation for up to 2 weeks, then oral maintenance 'at daily doses of about 12.5 mg/kg given in 2 divided doses' (12.5 to 15 mg/kg/day in 2 divided doses if oral therapy is used to initiate), maintenance for at least 3 months and preferably 6 months before tapering to zero by 1 year; GVHD occurring after discontinuation — 'an initial oral loading dose of 10 to 12.5 mg/kg should be given, followed by daily oral administration of the maintenance dose previously found to be satisfactory'. PAEDIATRIC (§4.2): 'Clinical studies have included children from 1 year of age. In several studies, paediatric patients required and tolerated higher doses of ciclosporin per kg body weight than those used in adults. Use of Capimune in children for non-transplantation indications other than nephrotic syndrome cannot be recommended.' paedDose is therefore null for this page's indications — verify any paediatric use against a children's formulary. ELDERLY (§4.2): experience is limited; in rheumatoid arthritis trials patients aged 65 or older 'were more likely to develop systolic hypertension on therapy, and more likely to show serum creatinine rises >= 50% above the baseline after 3 to 4 months of therapy'; start at the low end of the dosing range. SOURCE LIMITS: §4.4, §4.6 and §4.8 were truncated at the source-fetch limit, and the §4.3 bullet list ends mid-item, so neither the contraindication list nor the adverse-reaction table below is complete.

Dose adjustments

Renal

§4.2 verbatim: 'Ciclosporin undergoes minimal renal elimination, and its pharmacokinetics are not extensively affected by renal impairment. However, due to its nephrotoxic potential, careful monitoring of renal function is recommended.' For NON-transplantation indications: 'With the exception of patients being treated for nephrotic syndrome, patients with impaired renal function should not receive ciclosporin. In nephrotic syndrome patients with impaired renal function, the initial dose should not exceed 2.5 mg/kg/day.' On-treatment rule: reduce the dose by 25 to 50% if eGFR falls more than 25% below baseline on more than one measurement, consider further reduction if the fall exceeds 35%, and discontinue if dose reduction does not improve eGFR within one month — 'These recommendations apply even if the patient's values still lie within the laboratory's normal range.' §4.4 adds that the rise in serum creatinine and urea is 'dose-dependent and reversible, usually responding to dose reduction'.

Hepatic

§4.2 verbatim: 'Ciclosporin is extensively metabolised by the liver. An approximate 2- to 3-fold increase in ciclosporin exposure may be observed in patients with hepatic impairment. Dose reduction may be necessary in patients with severe liver impairment to maintain blood levels within the recommended target range and it is recommended that ciclosporin blood levels are monitored until stable levels are reached.' §4.2 also requires determination of bilirubin and hepatic function parameters before starting, with close monitoring during treatment. (§4.4's hepatotoxicity paragraph was cut off at the source-fetch limit.)

Dose independently re-sourced from UK Summary of Product Characteristics (SPC) via the eMC; US FDA prescribing information (openFDA / DailyMed) — cross-check; US labelling may differ from UK — clinician-reviewed. Always confirm against the product SmPC and your local formulary before prescribing.

Contraindications

  • Hypersensitivity to the active substance or to any of the excipients listed in section 6.1 (§4.3)
  • Combination with products containing Hypericum perforatum (St John's Wort) (§4.3)
  • Combination with medicines that are substrates for the multidrug efflux transporter P-glycoprotein (Pgp) or the organic anion transporter proteins (OATP) and for which elevated plasma concentrations are associated with serious and/or life-threatening events, e.g. bosentan, dabigatran etexilate and aliskiren (§4.3)
  • INCOMPLETE LIST: the fetched §4.3 ends mid-bullet at the source-fetch limit — check the SPC for any further contraindications before publishing

Side effects

  • §4.8 summary: 'The principal adverse reactions observed in clinical trials and associated with the administration of ciclosporin include renal dysfunction, tremor, hirsutism, hypertension, diarrhoea, anorexia, nausea and vomiting. Many side effects associated with ciclosporin therapy are dose dependent and responsive to dose reduction.'
  • Very common: hyperlipidaemia; tremor; headache (§4.8)
  • Common: leucopenia; anorexia, hyperuricaemia, hyperkalaemia, hypomagnesaemia, hyperglycaemia; paraesthesia; convulsions (§4.8)
  • Uncommon: anaemia, thrombocytopenia (§4.8)
  • Rare: microangiopathic haemolytic anaemia, haemolytic uraemic syndrome (§4.8)
  • Not known: thrombotic microangiopathy, thrombotic thrombocytopenic purpura (§4.8)
  • Renal dysfunction — §4.4: 'an increase in serum creatinine and urea may occur during Capimune therapy. These functional changes are dose-dependent and reversible... During long-term treatment, some patients may develop structural changes in the kidney (e.g. interstitial fibrosis)'
  • Infections — increased risk of viral, bacterial, fungal and parasitic infection, including reactivation of polyomavirus infections leading to polyomavirus associated nephropathy (PVAN/BK virus nephropathy) or JC virus associated progressive multifocal leukoencephalopathy (PML), with serious and/or fatal outcomes reported (§4.4, §4.8)
  • Malignancy — increased risk of lymphomas, lymphoproliferative disorders and other malignancies, 'particularly of the skin'; 'The frequency of malignancies increases with the intensity and duration of therapy' (§4.4, §4.8)
  • This side-effect list may be incomplete — check the full SPC.

Monitoring

  • Renal function — establish a reliable baseline from at least two measurements before starting, then assess frequently; apply the eGFR-based dose-reduction rule in renalAdjustment (§4.2, §4.4)
  • Blood pressure — §4.2: 'Regular monitoring of blood pressure is required'
  • Liver — §4.2: 'The determination of bilirubin and parameters that assess hepatic function are required prior to starting therapy and close monitoring during treatment is recommended'
  • Biochemistry — §4.2: 'Determinations of serum lipids, potassium, magnesium and uric acid are advisable before treatment and periodically during treatment'
  • Ciclosporin blood levels — §4.2: 'Occasional monitoring of ciclosporin blood levels may be relevant in non-transplant indications, e.g. when Capimune is co-administered with substances that may interfere with the pharmacokinetics of ciclosporin, or in the event of unusual clinical response'; blood-level monitoring is required for transplantation patients when switching oral formulations
  • Skin surveillance and sun protection — §4.4: patients, 'in particular those treated for psoriasis or atopic dermatitis, should be warned to avoid excess unprotected sun exposure and should not receive concomitant ultraviolet B irradiation or PUVA photochemotherapy'
  • Infection surveillance — consider polyomavirus-associated nephropathy or PML in immunosuppressed patients with deteriorating renal function or neurological symptoms (§4.4)
  • Prescriber setting — §4.4: ciclosporin should be prescribed only by physicians who can provide adequate follow-up 'including regular full physical examination, measurement of blood pressure, and control of laboratory safety parameters'

Clinical monograph

How it works

It binds cyclophilin and inhibits calcineurin, blocking the transcription of interleukin-2 and other cytokines and thereby suppressing T-lymphocyte activation.

Prescribing in practice

  • Nephrotoxic and hypertensive — renal function and blood pressure must be measured before and regularly during treatment, with dose reduction or withdrawal if creatinine rises persistently.
  • Numerous interactions occur via CYP3A4 and P-glycoprotein; avoid concurrent live vaccines and minimise other nephrotoxins.
  • Prescribe and dispense by brand name because formulations are not interchangeable, and check the SPC for the relevant indication.

Monitoring

Monitor serum creatinine, blood pressure, potassium, liver function, lipids and (where indicated) blood ciclosporin concentrations during therapy.

Counselling the patient

  • Report swelling, reduced urine output or persistent headache.
  • Avoid grapefruit juice and tell clinicians about all other medicines.
  • Use sun protection and attend monitoring appointments.

Evidence & guidelines

Long-standing use is supported by controlled trials and UK guidance for severe refractory inflammatory arthritis.

Reference: NICE TA180; Drug verified in RxNorm (NLM); confirm dosing against the manufacturer SPC (eMC). Verify against your local formulary and current prescribing references before prescribing. The structured dose values shown have been reviewed by a clinician. Monograph status: clinician-reviewed (2026-07-04).

Related

Curated clinical cross-links plus same-class fallbacks.