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Desoximetasone

This article explores the use of desoximetasone, a potent topical corticosteroid, in clinical trials for treating various skin conditions, primarily focusing on psoriasis. Desoximetasone has been studied in different formulations, including creams and sprays, to evaluate its effectiveness, safety, and potential for adrenal suppression. The trials have investigated its use in adults and children, as well as in combination with other treatments.

Table of Contents

What is Desoximetasone?

Desoximetasone is a potent topical corticosteroid medication used to treat various skin conditions. It belongs to a class of drugs known as corticosteroids, which help reduce inflammation and relieve itching. Desoximetasone is available under different brand names, including Topicort[1], Topoxy[2], and Topicorte[2].

Conditions Treated by Desoximetasone

Desoximetasone is primarily used to treat the following skin conditions:

  • Plaque Psoriasis: A chronic autoimmune condition that causes red, scaly patches on the skin[1][3]
  • Scalp Psoriasis: A specific form of psoriasis that affects the scalp[2][7]
  • Atopic Dermatitis: Also known as eczema, a condition that causes dry, itchy, and inflamed skin[8]

Available Formulations

Desoximetasone is available in several formulations, including:

  • Topical Spray: Available in 0.25% strength, often used for larger body areas[1][3]
  • Cream: Available in 0.25% strength, suitable for most body areas[2]
  • Ointment: Not specifically mentioned in the trials, but commonly available for more severe or thicker skin lesions

How Desoximetasone Works

Desoximetasone works by reducing inflammation in the skin. It does this by suppressing the immune system’s response in the affected area, which helps to decrease redness, itching, and scaling associated with various skin conditions. The medication also helps to slow down the rapid growth of skin cells, which is particularly beneficial in treating psoriasis[1][3].

Effectiveness of Desoximetasone

Clinical trials have shown that desoximetasone is effective in treating moderate to severe plaque psoriasis and scalp psoriasis. The effectiveness is typically measured using various scales:

  • Physician’s Global Assessment (PGA): A scale from 0 (clear) to 5 (very severe) that assesses overall disease severity[4][5]
  • Total Lesion Severity Score (TLSS): Measures scaling, erythema (redness), and plaque elevation[4]
  • Psoriasis Area and Severity Index (PASI): A more comprehensive scale that considers the extent and severity of psoriasis[8]

In many cases, patients showed significant improvement in these scores after using desoximetasone for 4-8 weeks[4][5].

Potential Side Effects

While desoximetasone is generally well-tolerated, it may cause some side effects, especially with prolonged use or application to large areas of skin. Potential side effects include:

  • Skin thinning or atrophy
  • Telangiectasia (small dilated blood vessels near the surface of the skin)
  • Skin discomfort or irritation
  • Hypothalamic-pituitary-adrenal (HPA) axis suppression (in rare cases with extensive use)[1][3]

It’s important to use the medication as directed by your healthcare provider to minimize the risk of side effects[2].

Usage Instructions

The typical usage instructions for desoximetasone are:

  • Apply a thin layer to the affected area(s) twice daily
  • For spray formulations, shake well before use and spray directly onto the affected area
  • Avoid applying to the face, groin, or underarm areas unless directed by your doctor
  • Wash your hands after application unless treating the hands
  • Follow your doctor’s instructions regarding the duration of treatment[1][4][5]

Special Considerations

There are some special considerations to keep in mind when using desoximetasone:

  • Long-term use: Prolonged use of potent corticosteroids like desoximetasone may lead to skin thinning or other side effects. Your doctor may recommend intermittent use or switching to a less potent steroid for maintenance therapy[6].
  • Use in children: Desoximetasone should be used with caution in children, as they may be more susceptible to systemic side effects. Always follow your pediatrician’s instructions carefully[1].
  • Combination therapy: In some cases, desoximetasone may be used in combination with other treatments, such as biologic therapies for psoriasis, to enhance overall effectiveness[6].
  • Adherence to treatment: Consistent use of the medication as prescribed is crucial for achieving the best results. Some studies have shown that poor adherence, rather than true drug resistance, may be responsible for apparent treatment failures[8].
Aspect Details
Primary Conditions Studied Moderate to severe plaque psoriasis, scalp psoriasis, atopic dermatitis
Formulations Topical sprays (0.05% and 0.25%), creams (0.25%)
Key Efficacy Measures Physician’s Global Assessment (PGA), Total Lesion Severity Score (TLSS), Body Surface Area (BSA) affected, Psoriasis Area and Severity Index (PASI)
Safety Assessments Adrenal suppression, adverse events, cutaneous side effects
Typical Trial Duration 28 days to 12 weeks
Patient Populations Adults and children with moderate to severe skin conditions
Dosing Regimens Twice daily application, with some trials exploring maintenance dosing
Combination Therapies Some trials explored use with biologic agents or other topical treatments

FAQ

  • What is desoximetasone used for in clinical trials? Desoximetasone is primarily used in clinical trials to treat moderate to severe plaque psoriasis. It has also been studied for treating scalp psoriasis and atopic dermatitis.
  • What formulations of desoximetasone have been studied? Clinical trials have investigated various formulations of desoximetasone, including topical sprays (0.05% and 0.25% concentrations) and creams (0.25% concentration).
  • How is the effectiveness of desoximetasone measured in trials? The effectiveness is typically measured using scales such as the Physician's Global Assessment (PGA), Total Lesion Severity Score (TLSS), and percentage of Body Surface Area (%BSA) affected. Some trials also use the Psoriasis Area and Severity Index (PASI) for psoriasis patients.
  • Are there any safety concerns studied in desoximetasone trials? Yes, safety concerns studied include the potential for adrenal suppression, particularly in children. Trials have also monitored for adverse events and cutaneous side effects such as skin discomfort, skin atrophy, and telangiectasia.
  • How long do typical desoximetasone clinical trials last? The duration of desoximetasone trials varies, but many last for 28 days (4 weeks). Some trials have extended periods of up to 12 weeks to assess long-term effects and maintenance dosing.

Ongoing Clinical Trials on Desoximetasone

  • Study on the Effectiveness and Safety of Methotrexate Compared to Placebo for Adults with Moderate to Severe Atopic Dermatitis

    Not recruiting

    3 1 1
    Investigated diseases:
    Investigated drugs:
    Czechia France Italy Poland

Glossary

  • Desoximetasone: A potent topical corticosteroid used to treat various skin conditions, particularly psoriasis and atopic dermatitis.
  • Plaque Psoriasis: A common form of psoriasis characterized by raised, red patches covered with a silvery white buildup of dead skin cells or scales.
  • Hypothalamic Pituitary Adrenal (HPA) Axis: A complex set of interactions among the hypothalamus, pituitary gland, and adrenal glands that controls reactions to stress and regulates various body processes.
  • Adrenal Suppression: A condition where the adrenal glands do not produce adequate amounts of steroid hormones, particularly cortisol.
  • Physician's Global Assessment (PGA): A scale used by healthcare providers to evaluate the overall severity of a patient's skin condition, typically ranging from 0 (clear) to 5 (very severe).
  • Total Lesion Severity Score (TLSS): A measure used to assess the severity of skin lesions, typically considering factors such as erythema, scaling, and plaque elevation.
  • Body Surface Area (BSA): A measurement of the percentage of a person's body affected by a skin condition, often calculated using the 'Rule of Nines'.
  • Psoriasis Area and Severity Index (PASI): A tool used to measure the severity and extent of psoriasis, combining the severity of lesions and the area affected into a single score.
  • Atopic Dermatitis: A chronic, itchy skin condition that is common in children but can occur at any age, also known as eczema.
  • Telangiectasia: Small dilated blood vessels near the surface of the skin or mucous membranes, often visible as tiny red lines or patterns.

References

  1. https://clinicaltrials.gov/study/NCT02340169
  2. https://clinicaltrials.gov/study/NCT02749656
  3. https://clinicaltrials.gov/study/NCT01043393
  4. https://clinicaltrials.gov/study/NCT01018134
  5. https://clinicaltrials.gov/study/NCT01206387
  6. https://clinicaltrials.gov/study/NCT02983981
  7. https://clinicaltrials.gov/study/NCT02985736
  8. https://clinicaltrials.gov/study/NCT03050294