Prednisolone

Last updated

Prednisolone
Prednisolone-2D-skeletal.svg
Prednisolone-from-xtal-3D-bs-17.png
Clinical data
Trade names Orapred, PediaPred, Millipred, others
Other names11,17-Dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
AHFS/Drugs.com Monograph
MedlinePlus a615042
License data
Pregnancy
category
Routes of
administration
By mouth, intravenous, topical, eye drop
ATC code
Legal status
Legal status
  • UK: POM (Prescription only)
  • US: ℞-only
  • In general: ℞ (Prescription only)
Pharmacokinetic data
Elimination half-life 2–3.5 hours [2] [3] [4]
Excretion urine
Identifiers
  • (11β)-11,17,21-Trihydroxypregna-1,4-diene-3,20-dione
CAS Number
PubChem CID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard 100.000.020 OOjs UI icon edit-ltr-progressive.svg
Chemical and physical data
Formula C21H28O5
Molar mass 360.450 g·mol−1
3D model (JSmol)
  • O=C\1\C=C/[C@]4(/C(=C/1)CC[C@@H]2[C@@H]4[C@@H](O)C[C@@]3([C@@](O)(C(=O)CO)CC[C@@H]23)C)C
  • InChI=1S/C21H28O5/c1-19-7-5-13(23)9-12(19)3-4-14-15-6-8-21(26,17(25)11-22)20(15,2)10-16(24)18(14)19/h5,7,9,14-16,18,22,24,26H,3-4,6,8,10-11H2,1-2H3/t14-,15-,16-,18+,19-,20-,21-/m0/s1 Yes check.svgY
  • Key:OIGNJSKKLXVSLS-VWUMJDOOSA-N Yes check.svgY
   (verify)

Prednisolone is a corticosteroid, a steroid hormone used to treat certain types of allergies, inflammatory conditions, autoimmune disorders, and cancers. [5] [6] Some of these conditions include adrenocortical insufficiency, high blood calcium, rheumatoid arthritis, dermatitis, eye inflammation, asthma, and multiple sclerosis. [6] It can be taken by mouth, injected into a vein, used topically as a skin cream, or as eye drops. [7] [8] [6] It differs from the similarly named prednisone in having a hydroxyl at the 11th carbon instead of a ketone.

Contents

Side effects with short-term use include nausea, inability to concentrate, insomnia, or feeling tired. [5] More severe side effects include psychiatric problems, which may occur in about 5% of people. [9] Common side effects with long term use include bone loss, weakness, yeast infections, and easy bruising. [6] While short-term use in the later part of pregnancy is safe, long-term use or use in early pregnancy is occasionally associated with harm to the baby. [1] It is a glucocorticoid made from hydrocortisone (cortisol). [10]

Prednisolone was discovered and approved for medical use in 1955. [10] It is on the World Health Organization's List of Essential Medicines. [11] It is available as a generic drug. [6] In 2021, it was the 153rd most commonly prescribed medication in the United States, with more than 3 million prescriptions. [12] [13]

Medical uses

Systemic use

Prednisolone is a corticosteroid drug with predominant glucocorticoid and low mineralocorticoid activity, making it useful for the treatment of a wide range of inflammatory and autoimmune conditions [14] such as asthma, [15] uveitis, pyoderma gangrenosum, rheumatoid arthritis, urticaria, [16] angioedema, [16] ulcerative colitis, pericarditis, temporal arteritis and Crohn's disease, Bell's palsy, multiple sclerosis, [17] cluster headaches, vasculitis, acute lymphoblastic leukemia and autoimmune hepatitis, [18] systemic lupus erythematosus, Kawasaki disease, [19] dermatomyositis, [7] post-myocardial infarction syndrome [20] and sarcoidosis. [21]

Prednisolone can also be used for allergic reactions ranging from seasonal allergies to drug allergic reactions. [22]

Prednisolone can also be used as an immunosuppressive drug for organ transplants. [7] [23]

Prednisolone in lower doses can be used in cases of primary adrenal insufficiency (Addison's disease). [24] [25]

Topical use in ophthalmology

Conjunctivitis Conjuntivitis (RPS 03-06-2015).png
Conjunctivitis

Topical prednisolone is a type of glucocorticoid, mainly used in the ophthalmic pathway as eye drops in numerous eye conditions, [26] including corneal injuries caused by chemicals, burns and alien objects, inflammation of the eyes, mild to moderate non-infectious allergies, disorders of the eyelid, conjunctiva or sclera, ocular inflammation caused by operation and optic neuritis. [27] [28] Some side effects include glaucoma, blurring of vision, eye discomfort, impaired recovery of injured site, scarring of the optic nerve, clouding of lenses and urticaria. [28] However, their prevalence is not known.

Prednisolone eye drops are contraindicated in individuals who develop hypersensitivity reactions against prednisolone, [26] or individuals with the current conditions, such as tuberculosis of the eye, shingles affecting the eye, raised intraocular pressure, and eye infection caused by fungus. [29]

Prednisolone acetate ophthalmic suspension (eye drops) is an adrenocortical steroid product, prepared as a sterile ophthalmic suspension and used to reduce swelling, redness, itching, and allergic reactions affecting the eye. [30] [8] [31] It has been explored as a treatment option for bacterial keratitis. [32]

Prednisolone eye drops are used in conjunctiva inflammations, also known as conjunctivitis, caused by allergies and bacteria, marginal keratitis, inflammation of the anterior segment of the eye, choroid and iris. Endophthalmitis, which is an infection of the eye involving the aqueous humor, Graves' Ophthalmopathy, Herpes Zoster ocular infection, inflammation of the eye after surgery, corneal injuries caused by chemicals, radiations and thermal burns, or penetration of foreign objects. [27] It is also used in the prevention of myringosclerosis, [33] Herpes Simplex Stromal Keratitis. [34] Topical prednisolone can also be used after procedures such as Laser Peripheral Iridotomy for patients with primary angle-closure suspects (PACS) to control inflammations. [35]

Ear drops

In addition, topical prednisolone can also be administered as ear drops. [36]

Pred Forte Ophthalmic Suspension (Prednisolone acetate ophthalmic suspension) [second right] 001 2019 05 27 Augenpflege.jpg
Pred Forte Ophthalmic Suspension (Prednisolone acetate ophthalmic suspension) [second right]
Examples of Topical Prednisolone Products
Eye DropsEar Drops
Prednisolone Sodium Phosphate Ophthalmic Solution [26] Prednisolone Sodium Phosphate 0.5% eye/ ear drops [36]
Pred Forte Ophthalmic Suspension (Prednisolone acetate ophthalmic suspension) [30]
Suspension (Prednisolone Mild Ophthalmic) [26]
Suspension (Prednisolone Acetate Ophthalmic) [26]

Adverse effects

Adverse reactions from the use of prednisolone include: [37] [7]

Withdrawal from prednisolone after long-term or high-dose use can lead to adrenal insufficiency. [38]

Pregnancy and breastfeeding

Although there are no major human studies of prednisolone use in pregnant women, studies in several animals show that it may cause birth defects including increased likelihood of cleft palate.

Prednisolone is found in breast milk of mothers taking prednisolone. [38]

Local adverse effects in the eye

Cataract Cataract (28464844371).png
Cataract

When used topically on the eye, the following are potential side-effects:

Pharmacology

Pharmacodynamics

As a glucocorticoid, the lipophilic structure of prednisolone allows for easy passage through the cell membrane where it then binds to its respective glucocorticoid receptor (GCR) located in the cytoplasm. Upon binding, formation of the GC/GCR complex causes dissociation of chaperone proteins from the glucocorticoid receptor enabling the GC/GCR complex to translocate inside the nucleus. [42] This process occurs within 20 minutes of binding. Once inside the nucleus, the homodimer GC/GCR complex binds to specific DNA binding-sites known as glucocorticoid response elements (GREs) resulting in gene expression or inhibition. Complex binding to positive GREs leads to synthesis of anti-inflammatory proteins while binding to negative GREs blocks the transcription of inflammatory genes. [43] They inhibit the release of signals that promote inflammation such as nuclear factor-Kappa B (NF-κB), Activator protein 1 (AP-1), nuclear factor of activated T-cells (NFAT), and stimulate anti-inflammatory signals such as the interleukin-10 gene. [44] [45] All of them will collectively cause a sequence of events, including the inhibition of prostaglandin synthesis and additional inflammatory mediators. Glucocorticoids also inhibit neutrophil cell death and demargination. As well as phospholipase A2, which in turn lessens arachidonic acid derivative genesis. [46]

Pharmacokinetics

Prednisolone has a relatively short half-life, ranging from 2–4 hours. It also has a large therapeutic window, considering the dosage required to produce a therapeutic effect is a few times higher than what the body naturally produces. [45]

Prednisolone is 70-90% plasma protein bound, it binds to proteins such as albumin. [45]

Both prednisolone phosphate and prednisolone acetate go through ester hydrolysis in the body to form prednisolone. It subsequently undergoes the usual metabolism of prednisolone. Concomitant use of prednisolone and strong CYP3A4 inhibitors such as ketoconazole is shown to cause a rise in plasma prednisolone concentrations by about 50% owing to a diminished clearance. [44]

Prednisolone predominantly undergoes kidney elimination and is excreted in the urine as sulphate and metabolites of glucuronide conjugate. [45]  

Prednisone

Prednisone is a prodrug that is activated in the liver. When it enters the body, prednisone is triggered by the liver and body chemicals to turn into its active form, prednisolone. [47]

Chemistry

Prednisolone is a synthetic pregnane corticosteroid closely related to its cognate prednisone, having identical structure save for two fewer hydrogens near C11. It is also known as δ1-cortisol, δ1-hydrocortisone, 1,2-dehydrocortisol, or 1,2-dehydrohydrocortisone, as well as 11β,17α,21-trihydroxypregna-1,4-diene-3,20-dione. [48] [49]

Interactions

Drug interactions of prednisolone include other immunosuppressants like azathioprine or ciclosporin, antiplatelet drugs like clopidogrel, anticoagulants like dabigatran or warfarin or NSAIDs such as aspirin, celecoxib or ibuprofen. [50]

Contraindications

Minor contraindications and drug reactions

Co-administration of prednisolone eye drops with ophthalmic nonsteroidal anti-inflammatory agents (NSAIDs) may perhaps exacerbate its effects, causing unwanted side effects such as toxicity. The wound healing process may also be hindered. [51]

When used in low doses, corticosteroids serve as an anti-inflammatory agent. At higher doses, they are considered as immunosuppressives. [45] Corticosteroids inhibit the inflammatory response to a variety of inciting agents and, it is presumed, delay or slow healing. [52] They inhibit the edema, fibrin deposition, capillary dilation, leukocyte migration, capillary proliferation, fibroblast proliferation, deposition of collagen, and scar formation with inflammation. [53]

Special populations

Child use

Prolonged use of prednisolone eye drops in children may lead to a raised intraocular pressure. While this phenomenon is dose dependent, it is shown to have a greater effect especially in children under 6 years of age. [26]

Pregnancy and breastfeeding

Researches on animal reproduction have indicated that there is a trace of teratogenicity when doses are reduced by 10 times of the human recommended dose. [54] There is no sufficient information on human pregnancy at this moment. Use is only recommended when the potential benefits outweigh the potential risks of the pregnant mother and the fetus. [54]

Prednisolone when delivered systemically can be found in the mother's breast milk, however, there is no data provided for the extent of prednisolone found in the system after administering eye drops. [26] [54] However, the presence of corticosteroids is recorded when they are administered systemically, and it could possibly affect the fetus' growth. [54] Therefore, use of prednisolone during breastfeeding is not advocated. [54]

Society and culture

Dosage forms

Prednisolone is supplied as oral liquid, oral suspension, oral syrup, oral tablet, and oral disintegrating tablet. It may be a generic medication or supplied as brands Flo-Pred (prednisolone acetate oral suspension), [37] Millipred (oral tablets), [22] Orapred (prednisolone sodium phosphate oral dissolving tablets), [7] Pediapred (prednisolone sodium phosphate oral solution), [38] Veripred 20, Prelone, Hydeltra-T.B.A., Hydeltrasol, Key-Pred, Cotolone, Predicort, Medicort, Predcor, Bubbli-Pred, Omnipred (prednisolone acetate ophthalmic suspension), [8] Pred Mild, [31] Pred Forte, [30] and others. [55]

Athletics

As a glucocorticosteroid, unauthorized or ad hoc use of prednisolone during competition via oral, intravenous, intramuscular or rectal routes is banned under World Anti-Doping Agency (WADA) anti-doping rules. [56]

Veterinary uses

Prednisolone is used in the treatment of inflammatory and allergic conditions in cats, dogs, horses, small mammals such as ferrets, birds, and reptiles. [57] [58] Its usage in treating inflammation, immune-mediated disease, Addison's disease, and neoplasia is often 'off label' or 'extra label'. Many drugs are commonly prescribed for off label use in veterinary medicine." [59] Studies in ruminating species, such as alpacas, have shown that oral administration of the drug is associated with a reduced bioavailability compared to intravenous administration, however, levels that are therapeutic in other species can be achieved with oral administration in alpacas. [60]

It is used in a broad spectrum of diseases, for example, inflammation of scleral tissues, cornea, conjunctiva in dogs. [57] In horses, prednisolone acetate suspensions are priorly used to treat inflammation in the middle layer of the eye, also known as anterior uveitis and equine recurrent uveitis (ERU), which is the leading cause of visual impairment in horses. [58] Prednisolone acetate eye drops are not to be used in other animals such as birds. [57]

Prednisolone acetate eye drops are also prescribed to the dogs and cats to lessen swelling, redness, burning and pain sensations after surgeries of the eye. [57]

Cats with conjunctivitis usually are required to avoid using ophthalmic preparations of corticosteroids and its derivatives. The most typical infections are caused by herpes virus. [58]

Related Research Articles

<span class="mw-page-title-main">Corticosteroid</span> Class of steroid hormones

Corticosteroids are a class of steroid hormones that are produced in the adrenal cortex of vertebrates, as well as the synthetic analogues of these hormones. Two main classes of corticosteroids, glucocorticoids and mineralocorticoids, are involved in a wide range of physiological processes, including stress response, immune response, and regulation of inflammation, carbohydrate metabolism, protein catabolism, blood electrolyte levels, and behavior.

<span class="mw-page-title-main">Dexamethasone</span> Corticosteroid medication

Dexamethasone is a glucocorticoid medication used to treat rheumatic problems, a number of skin diseases, severe allergies, asthma, chronic obstructive lung disease, croup, brain swelling, eye pain following eye surgery, superior vena cava syndrome, and along with antibiotics in tuberculosis. In adrenocortical insufficiency, it may be used in combination with a mineralocorticoid medication such as fludrocortisone. In preterm labor, it may be used to improve outcomes in the baby. It may be given by mouth, as an injection into a muscle, as an injection into a vein, as a topical cream or ointment for the skin or as a topical ophthalmic solution to the eye. The effects of dexamethasone are frequently seen within a day and last for about three days.

<span class="mw-page-title-main">Prednisone</span> Steroid medication

Prednisone is a glucocorticoid medication mostly used to suppress the immune system and decrease inflammation in conditions such as asthma, COPD, and rheumatologic diseases. It is also used to treat high blood calcium due to cancer and adrenal insufficiency along with other steroids. It is taken by mouth.

<span class="mw-page-title-main">Hydrocortisone</span> Glucocorticoid and Mineralocorticoid hormone Cortisol supplied as a medication

Hydrocortisone is the name for the hormone cortisol when supplied as a medication. Uses include conditions such as adrenocortical insufficiency, adrenogenital syndrome, high blood calcium, thyroiditis, rheumatoid arthritis, dermatitis, asthma, and COPD. It is the treatment of choice for adrenocortical insufficiency. It can be given by mouth, topically, or by injection. Stopping treatment after long-term use should be done slowly.

<span class="mw-page-title-main">Glucocorticoid</span> Class of corticosteroids

Glucocorticoids are a class of corticosteroids, which are a class of steroid hormones. Glucocorticoids are corticosteroids that bind to the glucocorticoid receptor that is present in almost every vertebrate animal cell. The name "glucocorticoid" is a portmanteau and is composed from its role in regulation of glucose metabolism, synthesis in the adrenal cortex, and its steroidal structure.

<span class="mw-page-title-main">Triamcinolone</span> Steroid medication

Triamcinolone is a glucocorticoid used to treat certain skin diseases, allergies, and rheumatic disorders among others. It is also used to prevent worsening of asthma and COPD. It can be taken in various ways including by mouth, injection into a muscle, and inhalation.

<span class="mw-page-title-main">Allergic conjunctivitis</span> Medical condition

Allergic conjunctivitis (AC) is inflammation of the conjunctiva due to allergy. Although allergens differ among patients, the most common cause is hay fever. Symptoms consist of redness, edema (swelling) of the conjunctiva, itching, and increased lacrimation. If this is combined with rhinitis, the condition is termed allergic rhinoconjunctivitis (ARC).

<span class="mw-page-title-main">Methylprednisolone</span> Corticosteroid medication

Methylprednisolone is a synthetic glucocorticoid, primarily prescribed for its anti-inflammatory and immunosuppressive effects. It is either used at low doses for chronic illnesses or used concomitantly at high doses during acute flares. Methylprednisolone and its derivatives can be administered orally or parenterally.

<span class="mw-page-title-main">Fluticasone propionate</span> Medication

Fluticasone propionate, sold under the brand names Flovent and Flonase among others, is a steroid medication. When inhaled it is used for the long term management of asthma and COPD. In the nose it is used for hay fever and nasal polyps. It can also be used for mouth ulcers. It works by decreasing inflammation.

<span class="mw-page-title-main">Triamcinolone acetonide</span> Medicinal chemical compound, steroid

Triamcinolone acetonide, sold under the brand name Kenalog among others, is a synthetic corticosteroid medication used topically to treat various skin conditions, to relieve the discomfort of mouth sores, and by injection into joints to treat various joint conditions. It is also injected into lesions to treat inflammation in some parts of the body, particularly the skin. In nasal spray form, it is used to treat allergic rhinitis. It is used for the treatment of macular edema associated with uveitis. It is a more potent derivative of triamcinolone, and is about eight times as potent as prednisone.

<span class="mw-page-title-main">Carprofen</span> Non-steroidal anti-inflammatory drug

Carprofen is a nonsteroidal anti-inflammatory drug (NSAID) of the carbazole and propionic acid class that was previously for use in humans and animals but is now only available to veterinarians for prescribing as a supportive treatment for various conditions in animals. Carprofen reduces inflammation by inhibition of COX-1 and COX-2; its specificity for COX-2 varies from species to species. Marketed under many brand names worldwide, carprofen is used as a treatment for inflammation and pain, including joint pain and postoperative pain.

<span class="mw-page-title-main">Mometasone</span> Steroid medication

Mometasone, also known as mometasone y 3 s, is a steroid medication used to treat certain skin conditions, hay fever, and asthma. Specifically it is used to prevent rather than treat asthma attacks. It can be applied to the skin, inhaled, or used in the nose. Mometasone furoate, not mometasone, is used in medical products.

<span class="mw-page-title-main">Pemphigoid</span> Autoimmune blistering diseases

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<span class="mw-page-title-main">Sulfacetamide</span> Sulfonamide antibiotic

Sulfacetamide is a sulfonamide antibiotic.

<span class="mw-page-title-main">Loteprednol</span> Pharmaceutical drug

Loteprednol is a topical corticosteroid used to treat inflammations of the eye. It is marketed by Bausch and Lomb as Lotemax and Loterex.

<span class="mw-page-title-main">Deflazacort</span> Pharmaceutical drug

Deflazacort is a glucocorticoid belonging to acetonides or O-isopropylidene derivative. It is used as an anti-inflammatory and was patented in 1969 and approved for medical use in 1985. The U.S. Food and Drug Administration (FDA) considers it to be a first-in-class medication for Duchenne Muscular Dystrophy.

Topical steroids are the topical forms of corticosteroids. Topical steroids are the most commonly prescribed topical medications for the treatment of rash and eczema. Topical steroids have anti-inflammatory properties and are classified based on their skin vasoconstrictive abilities. There are numerous topical steroid products. All the preparations in each class have the same anti-inflammatory properties but essentially differ in base and price.

<span class="mw-page-title-main">Selective glucocorticoid receptor modulator</span> Class of experimental drugs

Selective glucocorticoid receptor modulators (SEGRMs) and selective glucocorticoid receptor agonists (SEGRAs) formerly known as dissociated glucocorticoid receptor agonists (DIGRAs) are a class of experimental drugs designed to share many of the desirable anti-inflammatory, immunosuppressive, or anticancer properties of classical glucocorticoid drugs but with fewer side effects such as skin atrophy. Although preclinical evidence on SEGRAMs’ anti-inflammatory effects are culminating, currently, the efficacy of these SEGRAMs on cancer are largely unknown.

<span class="mw-page-title-main">Vamorolone</span> Chemical compound

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