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  1. About Alopecia
  2. Treatments for Alopecia Areata

Treatments for Alopecia Areata

Dr Elisabetta Muittoni and Dr Leila Asfour have been kind enough to help us to start developing a set of FAQs about treatments for hair loss. Below are some brief notes about the treatments for Alopecia Areata, including information about drugs currently in clinical trials.

Common Treatments for Alopecia Areata

Information about common treatments for Alopecia Areata

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Topical corticosteroids

Topical steroids are creams, ointment, lotions, or foams that are applied directly to the scalp or skin surface. The aim of topical steroids is to dampen down the inflammation within the skin. There are different strengths and formulations available. Usually a potent or very potent topical corticosteroid is needed to treat Alopecia Areata, as weaker products tend to be less effective. The formulation prescribed is important, as some preparations (e.g. ointments or creams) are often too greasy to be tolerated regularly on the scalp.

Advantages

Studies have demonstrated hair regrowth with the regular use of potent topical steroids. They are commonly used in children and adults, as they are easy and painless to apply.

Disadvantages 

Their effectiveness is limited by their absorption through the scalp. If used excessively over a long period of time, there is the potential risk of skin thinning and enlarged blood vessels in the skin, causing it to look red.


Intralesional corticosteroids

These are steroids that are injected into the affected areas just underneath the skin using a fine needle. Examples of intralesional corticosteroids are hydrocortisone acetate and triamcinolone acetonide.

Advantages 

Intralesional corticosteroids have shown to be more effective than topical corticosteroids for hair regrowth. When intralesional corticosteroids are effective, hair growth is usually seen at the site of injection within four to six weeks.

Disadvantages

There is a risk of skin thinning that can cause a temporary depression (or dint) at the site of injection. The needle prick can be uncomfortable and the whole area that can be treated in one go is quite small; therefore, it is usually only used for fairly localised patches and smaller areas of Alopecia Areata. Intralesional corticosteroids are not routinely offered to patients with Alopecia Totalis or Alopecia Universalis. Steroid injections can only be performed by medically qualified practitioners.


Systemic corticosteroids

These are steroids that are taken orally as a pill or injection in the muscle (intramuscularly). Examples are oral prednisolone or intramuscular triamcinolone acetonide (Kenalog). Systemic corticosteroids mimic the effects of hormones your body produces naturally. When systemic corticosteroids are given in doses that exceed your body's usual levels, they suppress the immune system, which can allow hair to re-grow. Systemic steroids are often used as a short-term measure to try to stop the hair from falling rapidly or “kick-start” the hair to regrow. Long-term systemic steroids are usually avoided as they can cause serious side effects when taken for too long.

Advantages 

It is a tablet taken every day, therefore easy to take. This treatment can be used for patchy Alopecia Areata and more extensive hair loss (Alopecia Totalis or Universalis). Treatment with systemic corticosteroids will produce hair re-growth in some patients.

Disadvantages 

Most young patients tolerate this well with no side-effects. Some side-effects include heartburn, increase risk of infection, weight gain and restlessness/mood disturbance. Long-term systemic corticosteroid use is associated with serious side effects including diabetes, high blood pressure and bone thinning. This treatment also has a high rate of hair loss recurring once the treatment is stopped.


Contact Immunotherapy

The aim of this form of treatment is to induce a local allergic skin reaction (contact dermatitis) that stimulates hair re-growth by distracting the immune system from attacking the hair follicles. In the UK Diphenylcyclopropenone (DPCP) is the most commonly used treatment.

In contact immunotherapy, the treatment is initially applied at a higher concentration to a small area of the scalp or the arm, in a process called sensitisation – this makes the person allergic to the solution. Two weeks later a weaker concentration is then applied to the affected areas on the scalp. The solution usually remains on the skin for up to 24 hours and is then washed off. The aim of treatment is to cause a low-level reaction lasting 24-36 hours, with the scalp feeling a little itchy, red and flaky. The strength of the medication is gradually increased, depending on the level of the reaction.

Advantages 

Current research shows that 50-60% of patients with Alopecia Areata achieve a worthwhile response, although those with more extensive hair loss (e.g. Alopecia Totalis and Alopecia Universalis) do less well. Treatment is usually continued weekly until the hair has re-grown, which may take up to 12 months to achieve.

Disadvantages 

This treatment requires a significant time commitment as usually it is only available in hospital departments and requires repeated applications over a period of months; home treatment is not widely available in the UK at the moment.  The side effects of contact immunotherapy include dryness/ redness of the skin (appears like Eczema), hives, small itchy blisters on the feet/ hands (called Pompholyx) and the loss of pigment in some areas leading to white patches (called Vitiligo). The lymph glands in the neck and armpits may become enlarged as a response to the treatment. It is important to avoid these medications touching other areas of the body; therefore, gloves and other PPE should be worn by the practitioner applying it.  

The team at Salford NHS Foundation Trust have very kindly put together these helpful videos on:

DPC Sensitisation:  https://youtu.be/ONONMpXRH_w

DPC Treatment: https://youtu.be/8sw3-oRLGBs

Published: 22nd July, 2020

Updated: 22nd November, 2021

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Minoxidil and Bimatoprost for Alopecia Areata

Information about Minoxidil and Bimatoprost for treatment of Alopecia Areata.

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Topical Minoxidil

Minoxidil is available off prescription, as a liquid or foam that is applied to the scalp. It is usually applied once or twice a day. Minoxidil is only licensed to treat male and female pattern hair loss (Androgenetic Alopecia); however, it is also used to treat Alopecia Areata, either alone or combined with corticosteroid treatment.

Advantages 

It can be applied at home and has minor side effects only. If effective, hair re-growth can take four to six months to appear.

Disadvantages 

It is less effective on its own for Alopecia Areata, and therefore is often only used as an additional treatment alongside some of the other treatments mentioned here. It can cause dryness, redness or irritation when regularly applied to the scalp and may stimulate facial hair growth in some women.


Bimatoprost (eyelashes only)

Bimatoprost 0.03% is a solution originally used as an eye drop to treat glaucoma. It was observed that in people using this treatment their eyelashes grew thicker and longer. Since then Bimatoprost (marketed under the name Latisse®) has been approved as a cosmetic product in the US to treat short and poorly growing eyelashes. When bimatoprost is used to treat eyelashes, it should only be applied to the upper eyelid margin at night time (with a small brush or cotton bud) but never put directly into the eyes.

Advantages 

It can take up to four months for hair re-growth to be visible; however, people have reported a noticeable difference in as little as eight weeks.

Disadvantages 

It can cause irritation in the skin, can cause a permanent changes in the colour of the eyes (to a dirty brown) if applied directly into the eye, and skin pigmentation may also be affected (turning the eyelid skin either lighter or darker).

Published: 23rd July, 2020

Updated: 11th August, 2020

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Immunosuppressive Treatments for Alopecia Areata

Information about immunosuppressive treatments used for Alopecia Areata.

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Ciclosporin

Ciclosporin is an oral treatment that suppresses the immune system. It is commonly used in several inflammatory skin conditions such as Psoriasis and Eczema. It comes in the form of capsules that are taken twice a day.

Advantages

It is a tablet form taken every day, therefore easy to take. There are a small number of trials that show evidence that Ciclosporin can stimulate hair regrowth in Alopecia Areata.

Disadvantages

It requires blood test monitoring because of the effect it can have on the kidneys, which also means regular clinic appointments. For this reason, the treatment course is usually limited to six months. Other side effects to be aware of include increased risk of infection, increased blood pressure, headaches and gum swelling.


Methotrexate

Like Ciclosporin, methotrexate is commonly used to treat a number of inflammatory skin conditions such as psoriasis and eczema. It also works by suppressing the immune system.

Advantages

It is a tablet taken once a week. It can be taken for longer periods of time than Ciclosporin. Larger groups of patients have been studied using this treatment for Alopecia Areata and hair regrowth has been observed, especially when combined with other treatments such as corticosteroids.

Disadvantages

It requires regular blood test monitoring because of the effect it can have on the liver and blood cells. Women of childbearing age, and men, are advised to use effective contraceptive precautions during treatment and for 6 months after stopping as it can have severe effect on the unborn baby. Common side effects include tiredness, nausea (vomiting) and headaches; serious side effects include increased risk of infections, bleeding problems and liver abnormalities.


Azathioprine

Azathioprine is a medication that works by suppressing the immune system. It is often used in inflammatory conditions, including severe Eczema. 

Advantages

 It is a tablet form taken every day, therefore easy to take. It can be taken for long periods of time such as months or years. Azathioprine has been shown to help hair regrowth in a small number of cases reported in the medical literature.

Disadvantages 

It also requires regular blood test monitoring as it can affect the blood cells and liver. It can also increase the risk of infection and may cause diarrhoea, tiredness and increase the risk of skin cancer. Some studies suggest that Azathioprine can help hair regrowth and potentially work better than Methotrexate and Ciclosporin.

Published: 23rd July, 2020

Updated: 11th August, 2020

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Future Treatments for Alopecia Areata?

Some of the treatments that may be an option for Alopecia Areata treatment in the future.

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Possible Future Treatments for Alopecia Areata:

These treatments are currently not available on the NHS, but this may change in the future. Some of these treatments are still being reviewed to assess whether they are appropriate and useful for Alopecia Areata patients.


Oral JAK inhibitors

Oral JAK inhibitors to treat Alopecia Areata are still being studied. These are treatments that target different parts of the Janus Kinase enzyme family, which are important steps in causing inflammation, including the inflammatory pathways that occur in active Alopecia Areata. Therefore, when these are blocked, inflammation is reduced. There are currently six JAK inhibitors which have been reported to be successful in treating Alopecia Areata. These are: Tofacitinib, Ruxolitinib, Baricitinib, CTP-543, PF-06651600 and PF-06700841. These are tablet medications.

Advantages

Reports suggest they may be very effective in causing hair regrowth in some patients with very extensive hair loss or who have had Alopecia Areata that has been resistant to other treatments over the years. However, we are still awaiting clinical trial results to say for certain. These drugs are generally are well tolerated.

Disadvantages

These are novel treatments; therefore, we are still trying to understand how effective they are and their side effect profile in the long term. Side effects that have been noted already include nausea, headaches, increase risk of infection (including herpes (cold sore) virus reactivation), anaemia, high cholesterol and potentially increase risk of blood clots. There are reports of relapse following discontinuation of this treatment.


Topical JAK inhibitors

Topical JAK inhibitors to treat Alopecia Areata are still being studied. Current studies have shown that topical JAK inhibitors have not shown satisfactory results for scalp hair regrowth; however, have shown some improvement with eyebrow and eyelash regrowth.

The two main topical JAK inhibitors that have been tested and have shown some success with eyelash and eyebrow regrowth are Tofacitinib 2% ointment and Ruxolitinib 0.6% cream.

Advantages

Studies have shown some success with re-growth of eyelash and eyebrow hair. These have been fairly well tolerated with no complications. The application on the skin reduces the risk of side effects compared with the oral form. 

Disadvantages

Poor response on the scalp.


Ustekinumab

Ustekinumab reduces inflammation by blocking the activity of chemical signalling molecules (called cytokines), specifically interleukin 12 and 23, that trigger inflammation. It is commonly used in psoriasis and Crohn’s disease. It has been shown in a small case series that it can help hair regrowth in moderate to severe Alopecia Areata. It is injected under the skin of the stomach, thighs or upper outer arms.

Advantages

Initially patients have an injection on week 4 of treatment and after that every 12 weeks.

Disadvantages

It can increase the risk of serious infections. Patients can experience reactions at the injection site, fatigue, headaches and sinusitis. We do not have sufficient evidence with regards to the efficacy of this treatment for Alopecia Areata. There have also been case reports of patients developing Alopecia Areata during their Ustekinumab injections for other conditions. Ustekinumab is very expensive.


Dupilumab

Dupilumab is a biologic medication given through a subcutaneous injection (injection under the skin) that works by blocking chemical messengers (also known as cytokines) in the body called interleukin 4 (IL-4) and interleukin-13 (IL-13). It is currently being used to treat atopic eczema on the NHS. One study has shown a significant improvement in Alopecia Totalis following dupilumab treatment whereas another paper reported cases of Alopecia Areata developing shortly after starting dupilumab for their eczema. Therefore, further clinical trials are needed to assess the role of dupilumab in the treatment of Alopecia Areata.

Advantages 

It is an injection every 2 weeks. It is shown to be very well-tolerated with minimal side effects.

Disadvantages 

The main side effect reported is conjunctivitis (inflammation of the eyes) causing redness, itch and discharge. Other side effects reported are headaches, cold sores and eczema around the eyes. Further clinical trials are necessary before this treatment can become routinely available for Alopecia Areata. Dupilumab is classed as a high-cost drug, so very expensive.


Apremilast

Apremilast is an inhibitor of the phosphodiesterase 4 (PDE4), which reduces inflammation. PDE4 has been found to be expressed in patients suffering with Alopecia Areata. It comes in the form of a pill that is taken daily. It has been approved and used for the treatment psoriasis and Psoriatic Arthritis. A study of the safety and efficacy of Apremilast in patients with moderate to severe Alopecia Areata is currently in progress. There have been variable results reported in the literature up till now, including good hair regrowth and a study showing no treatment response at all.

Advantages

Good clinical response in some Alopecia Areata patients. Safe and well tolerated. Oral tablet.

Disadvantages

Further clinical trials are necessary before this treatment can become routinely available in the treatment of Alopecia Areata. The main side effects are diarrhoea, headache, nausea, fatigue and weight loss. 


BNZ-1

This is an intravenous medication (given through the vein) currently still being tested in clinical trials. BNZ-1 is an inhibitor of inflammatory pathways involving interleukins: IL-2, IL-9, and IL-15. These have been shown to be increased in Alopecia Areata. The idea is for treatment to be given weekly for 3 months to adults diagnosed with moderate to severe alopecia areata.  Study results are not available yet.


Abatacept

Abatacept is a fusion protein of cytotoxic T-lymphocyte associated antigen 4 (CTLA-4). It improves inflammation by reducing the activation signals to the white blood cells. It is currently being used for conditions such as Rheumatoid Arthritis, Juvenile Idiopathic Arthritis, and Psoriatic Arthritis. It is also given as an injection under the skin, consisting of weekly injections for 6 months, with an additional 6 months of follow up. It is still being reviewed in a clinical trial for Alopecia Areata and results are currently pending. The side-effects that have been reported up till now are risk of serious infection, injection-site reaction, sinusitis, headaches, and high blood pressure.


Published: 24th July, 2020

Updated: 11th August, 2020

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