GNH USA

Europe — EMA

Methoxsalen Macopharma

GNH USA supplies Methoxsalen Macopharma (Methoxsalen), a psoralen for psoriasis and vitiligo. Request a quote for global supply.

Methoxsalen

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What is Methoxsalen?

Methoxsalen, the active ingredient in Methoxsalen Macopharma, is a psoralen presented as a preparation for extracorporeal use. It is employed in the management of psoriasis and vitiligo, primarily in adult patients requiring photochemotherapy.

GNH USA supplies Methoxsalen Macopharma as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

What is Methoxsalen used for?

Methoxsalen is used in dermatologic conditions that respond to psoralen‑UVA (PUVA) therapy.

- Psoriasis: reduces plaque formation and skin scaling by inhibiting keratinocyte proliferation. - Vitiligo: promotes repigmentation of depigmented skin areas through melanocyte stimulation. - Photochemotherapy adjunct: enhances the therapeutic effect of UVA exposure in selected skin disorders.

What are the side effects of Methoxsalen?

Methoxsalen may cause a range of adverse reactions, varying from mild to severe.

Common Side Effects: - Nausea: transient gastrointestinal discomfort. - Headache: mild to moderate intensity. - Erythema: skin redness after UVA exposure. - Itching: pruritus in treated areas.

Serious or Rare Side Effects: - Severe phototoxic reactions: blistering or ulceration of skin. - Increased risk of cutaneous malignancies: long‑term PUVA therapy may elevate skin cancer risk. - Hepatic toxicity: abnormal liver function tests. - Ocular cataracts: lens opacity with prolonged use.

What precautions apply to Methoxsalen?

When using Methoxsalen, several safety considerations should be observed.

- Dose adjustment: evaluate renal or hepatic impairment before therapy. - Phototoxicity risk: limit excessive UVA exposure and use protective eyewear. - Pregnancy: prescribe only if potential benefits outweigh risks. - Drug interactions: review concomitant photosensitizing medications. - Store at ambient temperature: keep in original container, protect from moisture and light.

What does Methoxsalen interact with?

Methoxsalen can interact with other agents that affect photosensitivity or metabolism.

Major Interactions (Avoid): - Thiazide diuretics: increased photosensitivity. - Tetracyclines: enhanced phototoxic reactions. - Retinoids: additive skin irritation.

Moderate Interactions (Monitor Closely): - Antifungal azoles: possible alteration of Methoxsalen metabolism. - Oral contraceptives: may reduce PUVA efficacy. - NSAIDs: may increase skin sensitivity to UVA.

Frequently asked questions

What conditions is Methoxsalen Macopharma used for?+
Methoxsalen Macopharma is indicated for the treatment of psoriasis and vitiligo. It is administered as part of psoralen‑UVA (PUVA) phototherapy to reduce skin scaling in psoriasis and to promote repigmentation in vitiligo.
How does methoxsalen work in the body?+
Methoxsalen intercalates into DNA and, when activated by UVA light, creates cross‑links that inhibit DNA synthesis. This suppresses abnormal skin cell growth and stimulates melanocyte activity, addressing the underlying pathology of psoriasis and vitiligo.
What is the usual dose of methoxsalen?+
The specific dose of methoxsalen is determined by the prescribing clinician based on the patient’s condition, weight, and response to therapy. Dosage regimens are individualized and should follow the prescriber’s instructions.
Is methoxsalen safe during pregnancy or breastfeeding?+
Safety data for methoxsalen in pregnancy and lactation are limited. It should only be used if the potential benefits justify the potential risks to the fetus or infant, and the decision must be made by a qualified healthcare professional.
How do I order Methoxsalen Macopharma from GNH USA?+
To place an order, submit an enquiry on the product page at gnh-usa.com with the required quantity. GNH USA supplies hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any necessary import documentation.
How does methoxsalen compare with other PUVA agents?+
Methoxsalen is the primary psoralen used in PUVA therapy and shares a similar efficacy profile with other psoralens. Differences may lie in formulation, stability, and regulatory status, but clinical outcomes are generally comparable when used under the same phototherapy protocol.
What are the recommended storage conditions for Methoxsalen Macopharma?+
Methoxsalen Macopharma should be stored at ambient temperature, below 25 °C, in its original packaging. Protect the product from moisture and direct light to maintain its stability.
How is Methoxsalen Macopharma administered?+
Methoxsalen is administered extracorporeally, typically as an oral preparation taken prior to controlled exposure to UVA light during PUVA sessions. The exact administration schedule is defined by the treating physician.
What are the most serious risks associated with methoxsalen?+
Serious risks include severe phototoxic skin reactions, increased long‑term risk of skin cancer, hepatic toxicity, and cataract formation with prolonged use. Patients should be monitored regularly for these adverse events.
Who should not use methoxsalen?+
Methoxsalen is contraindicated in individuals with known hypersensitivity to psoralens, active skin infections, uncontrolled liver disease, or those who are unable to avoid excessive UVA exposure. It should also be used with caution in patients with a history of skin cancer.
Information provided on this page is for educational use by procurement and clinical professionals. Always consult a licensed healthcare provider for medical advice and prescribing decisions. GNH USA supplies this product subject to applicable regulatory and licensing requirements.
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Product details

Drug
Methoxsalen
Route
Extracorporeal Use
Manufacturer
Maco Pharma
Origin
EU

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