|Year : 2017 | Volume
| Issue : 6 | Page : 558-577
|Medical management of melasma: A review with consensus recommendations by Indian pigmentary expert group
Rashmi Sarkar1, Narendra Gokhale2, Kiran Godse3, Pallavi Ailawadi4, Latika Arya5, Nilendu Sarma6, RG Torsekar7, VK Somani8, Pooja Arora9, Imran Majid10, G Ravichandran11, Mohan Singh12, Sanjeev Aurangabadkar13, Shehnaz Arsiwala14, Sidharth Sonthalia15, T Salim16, Swapnil Shah17
1 Dermatology, Maulana Azad Medical College and Lok Nayak Hospital, New Delhi, India
2 Consultant Dermatologist, Sklinic Skin Clinic, Indore, Madhya Pradesh, India
3 Dermatology, D Y Patil Hospital, Mumbai, Maharashtra, India
4 Dermatology, Maulana Azad Medical College and Associated Hospitals, New Delhi, India
5 Consultant Dermatologist, L A Skin and Aesthetic Clinic, New Delhi, India
6 Dermatology, Dr B. C. Roy Post Graduate Institute of Pediatric Sciences, Kolkata, West Bengal, India
7 Consultant Dermatologist, Fortis Hospital, Mumbai, Maharashtra, India
8 Consultant Dermatologist, Skintrendz, Himayat Nagar, Hyderabad, India
9 Dermatology, Dr RML Hospital and PGIMER, New Delhi, India
10 Dermatology, Govt Medical College, Srinagar, Jammu and Kashmir, India
11 Senior Consultant and Coordinator, Dermatology, Apollo Hospitals, Chennai, Tamil Nadu, India
12 Consultant Dermatologist, Mohan Skin Diseases Hospital, Phagwara, Punjab, India
13 Consultant Dermatologist, Skin and Laser Clinic, Begumpet, Hyderabad, India
14 Consultant Dermatologist, Saifee Hospital, Prince Aly Khan Hospital, Mumbai, Maharashtra, India
15 Consultant Dermatologist, Skinnocence: The Skin Clinic, Gurgaon, Haryana, India
16 Consultant Dermatologist, Cutis institute of Dermatology and Aesthetic Sciences, Calicut, Kerala, India
17 Consultant Dermatologist, Solapur, Maharashtra, India
|Date of Web Publication||24-Nov-2017|
Department of Dermatology, Maulana Azad Medical College, New Delhi
Source of Support: None, Conflict of Interest: None
| Abstract|| |
Melasma is one of the most common hyperpigmentary disorders found mainly in women and dark-skinned patients. Sunlight, hormones, pregnancy, and genetics remain the most implicated in the causation of melasma. Although rather recalcitrant to treatment, topical agents such as hydroquinone, modified Kligman's Regime, azelaic acid, kojic acid, Vitamin C, and arbutin still remain the mainstay of therapy with sun protection being a cornerstone of therapy. There are several new botanical and non botanical agents and upcoming oral therapies for the future. There is a lack of therapeutic guidelines, more so in the Indian setup. The article discusses available evidence and brings forward a suggested treatment algorithm by experts from Pigmentary Disorders Society (PDS) in a collaborative discussion called South Asian Pigmentary Forum (SPF).
Keywords: Expert group, medical treatment, melasma
|How to cite this article:|
Sarkar R, Gokhale N, Godse K, Ailawadi P, Arya L, Sarma N, Torsekar R G, Somani V K, Arora P, Majid I, Ravichandran G, Singh M, Aurangabadkar S, Arsiwala S, Sonthalia S, Salim T, Shah S. Medical management of melasma: A review with consensus recommendations by Indian pigmentary expert group. Indian J Dermatol 2017;62:558-77
|How to cite this URL:|
Sarkar R, Gokhale N, Godse K, Ailawadi P, Arya L, Sarma N, Torsekar R G, Somani V K, Arora P, Majid I, Ravichandran G, Singh M, Aurangabadkar S, Arsiwala S, Sonthalia S, Salim T, Shah S. Medical management of melasma: A review with consensus recommendations by Indian pigmentary expert group. Indian J Dermatol [serial online] 2017 [cited 2023 May 31];62:558-77. Available from: https://www.e-ijd.org/text.asp?2017/62/6/558/219225
What was known?
- Medical management of melasma with topical hydroquinone or triple combination cream is the most effective treatment of melasma,although the last decade or more has seen a lot of side effects due to corticosteroids or hydroquinone if used unsupervised in Indian patients.
- Azelaic acid and kojic acid and vitamic C topically,though weaker gaents,offer an alternative to hydroquinone containing creams.
- An initial evaluation and treatment of medical factors,photoprotection and triple combination cream works well and should be rotated with other non hydroquinone containing agents.
| Introduction|| |
Melasma is a common acquired pigmentary skin disorder characterized by a symmetrical macular pigmentation of sun-exposed areas like the face. The three major patterns of pigmentation in melasma are centrofacial (cheeks, forehead, upper lip, and nose), malar (cheeks and nose), and mandibular (mandibular area of cheeks). Melasma affects females much more commonly than males and majority of patients are in the third and fourth decades of their life. Several factors such as genetics, sunlight, cosmetics, pregnancy, hormonal treatments, thyroid dysfunction, and drugs have been implicated in the pathogenesis of melasma.
The treatment of melasma includes various topical and/or systemic agents. The aim of this article is to review the evidence available from the existing literature on prevalence and predisposing factors of melasma and suggest management guidelines for this common yet challenging skin disorder. This article discusses available evidence and brings forward a suggested treatment algorithm by 15 experts from Pigmentary Disorders Society (PDS) in a collaborative discussion called South Asian Pigmentary Disorders Forum (SPF).
| Methods|| |
A panel comprising of 15 eminent dermatologists from across the country with vast experience and significant academic contribution toward melasma was formed. These were experts from Pigmentary Disorders Society (PDS) in a collaborative effort called South Asian Pigmentary Disorders Forum (SPF).
This was followed by an extensive literature search from the database-PUBMED and COCHRANE LIBRARY. The keywords used for the search were melasma, treatment, management, hydroquinone (HQ), retinoids, sunscreens, oral drugs, safety, triple combination, chemical peels, and lasers. The articles published in the past two decades were included in the study. However, few older publications were included to describe the evolution of treatment over the years. Poorly designed studies and those with conflicting results were excluded from the study. This was followed by day panel discussion during which the opinion of the panellists was sought and recorded.
| Findings|| |
Prevalence and predisposing factors
The reported prevalence of melasma is variable and is based on the population group studied. It ranges from 8.8% among Latino males to 40% in Southeast Asian populations. In a prospective study conducted by Sarkar et al. in a tertiary care hospital in India, the prevalence of melasma was found to be 20.5% in men. Melasma, however, affects women more commonly than men.
The major etiological factors involved in melasma are genetic susceptibility, sun exposure, and hormones. Ortonne et al. conducted a larger global survey in 324 women with melasma and found that 50% of patients had a family history of melasma in at least one family member. The most common time of onset of melasma was post pregnancy (42%), whereas 26% of patients developed it during pregnancy. In another study carried out by Tamega Ade et al. in 302 Brazilian patients with melasma, it was found that the most common precipitating factors were pregnancy (36.4%), oral contraceptives (16.2%), and sun exposure (27.2%).
The frequency of thyroid disorders is four times greater in patients with melasma, In a study conducted by Lutfi et al., thyroid abnormalities were found in 58.3% of melasma patients. In a recent Indian study conducted by Gopichandani et al. in melasma patients, levels of lueienizing hormone, estradiol, and progesterone were lower in cases compared to controls indicating a suppression of hypothalamic-gonadal axis in these patients. Other factors that could contribute include: estrogens such as estriol and estrone, overexpression of estrogen receptors or increased responsiveness to circulating estrogens. The study also found low testosterone in patients as compared to the control group, again pointing toward a suppressed gonadal function.
- There is a paucity of community-based studies documenting the prevalence of melasma. Majority of currently available literature and statistics are from hospital-based studies
- Sun exposure and hormonal stimuli in a genetically predisposed individual can lead to the development of melasma
- More studies needed to validate the association between hormones and melasma.
Sun protection for melasma
There is sufficient literature to prove that light from both ultraviolet (UV) and visible spectrum is involved in the pathogenesis of melasma. To assess the efficacy of sunscreens in preventing the development of melasma, Lakhdar et al. conducted a study in 200 Moroccan females who were <3 months pregnant. They were asked to use a sunscreen with Sun Protection Factor (SPF) of 50+ and UVA protection factor of 28 during the day, and it was seen that only 2.7% of these women developed melasma during pregnancy.
Boukari et al. in a prospective randomised controlled trial (RCT), conducted in 40 patients with melasma, established the efficacy of sunscreen with combined protection against UV and short wavelengths of visible light (VL) in preventing melasma relapses. Both the treatment groups contained the same filters against UV except that one group received formula containing iron oxides (Visible light absorbing pigment) also. The other group had a significant increase in melasma area severity index (MASI) from baseline to month 6, as compared to the one having the additional iron oxide, hence emphasizing the role of VL in the pathogenesis of melasma.
This was further confirmed in a study by Castanedo-Cazares et al. in a double-blind RCT in 68 patients with melasma to assess the efficacy of sunscreen with broad-spectrum UV protection containing iron oxide compared with a regular UV-only broad-spectrum sunscreen. Patients applied HQ as a depigmenting agent and were assessed by MASI, colorimetry and histologic analysis. The group that used UV-iron oxide sunscreen had greater improvements than the UV-only group. Hence, the depigmenting efficacy of HQ was enhanced with concomitant sunscreen use.
In a double-blind, placebo-controlled RCT by Vázquez and Sánchez., among 53 patients who concomitantly used 3% HQ with sunscreen, nearly 96.2% of patients showed improvement as compared to 80.7% of those using a placebo. Thus, a broad spectrum sunscreen not only prevents relapses of melasma but also enhances the efficacy of other topical therapies.
Based on the available literature, the following recommendations can be made for the use of sunscreens [Table 1]. The authors strongly believe that sunscreens should be prescribed to all patients of melasma, as it has been shown to be effective in reducing pigmentation following sun exposure.
Role of camouflage
It can take a long time for the patient to see results with the treatment prescribed, during which the option of cosmetic camouflage should be offered. There are several options available in various shades to suit the skin tone. It is important to choose easy-to-blend formulas that are nonirritating and provide smooth coverage.
HQ is the prototype depigmenting agent used in melasma that exerts its effect by inhibiting tyrosinase, the rate-limiting enzyme in melanin synthesis. HQ also affects the membranous structures of melanocytes and causes their apoptosis.
HQ 2%–4% is prominently used as mono-therapy and is summarized in [Table 2].,,,,,,,,,
|Table 2: Summary of studies evaluating the role of hydroquinone mono therapy in melasma|
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In a controlled study (n = 56), both 2% and 5% HQ creams were found to be equally effective, and marked improvement was recorded in 80% of the patients. However, few inflammatory reactions occurred with the former. Concentration more than 5% may cause more irritation and worsening of hyperpigmentation in the form of exogenous ochronosis on prolonged use.
Pigment lightening by HQ becomes evident after 5–7 weeks of the treatment and is recommended to be continued for at least 3 months and up to 1 year.
Hydroquinone in dual combination
HQ has been used in combination with other topical agents such as tretinoin and glycolic acid. Retinoids inhibit the transcription of tyrosinase thereby inhibiting melanogenesis. The studies summarising the use of HQ in dual combination have been listed in [Table 3].,,,
|Table 3: Summary of the studies where hydroquinone has been used in dual combination|
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One of the first combination topical therapies developed for the treatment of hyperpigmentation was the Kligman–Willis formula, consisting of 5% HQ, 0.1% tretinoin, and 0.1% dexamethasone.
The theory behind the effectiveness of this combination of agents is that tretinoin prevents the oxidation of HQ and improves epidermal penetration while the topical corticosteroid (TCS) reduces irritation due to the other two ingredients and decreases cellular metabolism, further inhibiting melanin synthesis.
To suit different skin types, the original Kligman's formula has been modified in many ways through addition/alteration of one or more of its components. Maximum experimentation has been done with the TCS component, namely, the addition of mid to high potent, fluorinated/non fluorinated agents and their concentration. Furthermore, the concentration of tretinoin and HQ has been kept low in most formulations. Combination regimes are found to be more efficacious and faster acting than monotherapies, thereby shortening the treatment duration and reducing the AE due to an individual drug.
The synergistic action of the three topical agents achieves significantly higher depigmentation than either agent alone. According to a Cochrane Collaboration Review (2010), the triple-combination cream (TCC) having 4% HQ, 0.05% tretinoin, and 0.01% fluocinolone acetonide was significantly more effective in lightening melasma than HQ alone (relative risk [RR] 1.58, 95% confidence interval [CI] 1.26–1.97) or when compared to the dual combinations of tretinoin and HQ (RR = 2.75, 95% CI 1.59–4.74), tretinoin, and fluocinolone acetonide (RR = 14.00, 95% CI 4.43–44.25), or HQ and fluocinolone acetonide (RR = 10.50, 95% CI 3.85–28.60). [Table 4] summarises the studies which have evaluated the role of triple combination cream in melasma.,,,,,
|Table 4: Summary of the studies where role of triple-combination cream has been evaluated in melasma|
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Triple combination cream in long-term and maintenance treatment of melasma
Melasma is a persistent disorder of pigmentation and relapse after initial improvement is common. Development of a maintenance regimen after initial improvement would help in the management.
There are controversies regarding the safety of use of TCS based TCC in long-term treatment of melasma. Apart from a few studies on fluocinolone based TCC, there is a dearth of studies evaluating the safety of TCC for long-term use. There are three studies where TCC has been used as a maintenance treatment for melasma [Table 5].,,
|Table 5: Summary of studies evaluating the long term safety of triple-combination cream in melasma|
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The studies in [Table 5] show that fluocinolone based TCCs can be used as maintenance regimen for more than 8 weeks up to a maximum period of 1 year in either daily/intermittent/tapering dose regimen. Adverse effects such as skin atrophy and telangiectasia were found to be quite low even on continuing this regimen for more than 6 months. However, daily treatment in the long term is associated with more AE while intermittent therapy was associated with higher relapse of melasma in one study.
In one RCT, objective reduction of melanin and presence of erythema was assessed in patients receiving maintenance therapy following initial 8 weeks of the treatment regimen. Using narrowband reflectance spectrophotometer, it was shown that there was no difference between melanin levels in the melasma lesions in patients following either twice weekly or tapering regimen. Adverse effects were rare in both phases of the study. There was borderline reduction in erythema with the tapering regimen.
Triple combinations using mid–potent corticosteroid
Triple combination using mometasone furoate as the steroidal component was quite popular in our country until recently. Despite the paucity of supporting evidence regarding the efficacy and safety of the combination, it has been used rampantly in the last decade, both as physician's prescription and over-the-counter drug. This indiscreet usage has resulted in a number of AE in many patients.
In a retrospective study performed on 60 Indian patients of melasma who had used a mometasone-based TCC for at least 3 weeks over the past 1 year, it was found that majority (51.7%) of the patients had used it well beyond the recommended period. More than half of the patients showed steroid-related AE such as atrophy (19/60), telangiectasia (26/60), hypertrichosis (17/60), and acneiform eruption (11/60) while using this treatment for more than 2 months and almost all the patients were affected when they used it beyond 6 months. In addition, one-third of the patients complained of worsening of pigmentation and the rest claimed that their disease was the same as before and no patient rated his/her disease as better than what he/she had before the initiation of treatment. Furthermore, there were complaints of an increase in the area of skin involvement that had occurred after stoppage of the TCC. Thus, triple combination topical therapy using low potent TCSs should be used. If properly supervised, this can be an effective drug in keeping the pigmentation under control.
- HQ alone in a concentration of 2% to 5% can be used as an effective monotherapy. It is found to be more efficacious than KA and AA. 4% HQ has been found to be more efficacious than 2% HQ as compared to 20% AA in most of the studies. Pigment lightening is observed in 3–6 months time. Higher of HQ is associated with increased risk of inflammatory response and long-term use may give rise to AEs like exogenous ochronosis
- [Table 6] lists the level and quality of evidence of use of HQ as monotherapy and in combination with other agents
- While there has been a shift from the original Kligman's regimen, the most well-studied formulation is that of 4% HQ, 0.05% tretinoin, and 0.01% FA. It has level A quality of evidence in treating melasma and is approved by the US FDA
- When used daily for about 2 months, it results in clearing or near clearing of lesions in several well-designed RCTs
- Long-term therapy with TCC for more than 6 months, when used daily is invariably associated with AEs such as atrophy and telangiectasia. Although, the incidence was found to be low in the mentioned studies
- It can be used as maintenance regimen for long-term response and is useful in preventing relapse. However, the frequency of application (daily/intermittent/tapering) determines the safety profile
- There is a paucity of well-designed RCTs evaluating the safety and efficacy of this regimen as maintenance therapy and duration of treatment in Indian population
- Mometasone based TCC leads to the rapid lightening of pigmentation (within 3 weeks), but the relapse is also very fast. Further worsening of pigmentation and increase in the area of the original lesion has also been experienced by both the patients and physicians. Long-term use is invariably associated with topical steroid associated AEs such as atrophy, telangiectasia, hirsutism, and acneiform eruption.
|Table 6: Level and quality of evidence for melasma therapies using hydroquinone alone and in various combinations|
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Mequinol, 4-hydroxyanisole, is a phenolic compound that acts as a competitive inhibitor of tyrosinase. It has been used in combination with tretinoin in the treatment of solar lentigines. However, there is only one case series that has assessed its role in melasma., in which 5 male patients with melasma were treated with mequinol 2% tretinoin 0.01% topical solution for 16 weeks. Four of 5 patients achieved complete clearance of melasma at 12 weeks with minimal AE.
Due to the paucity of literature, we cannot make a recommendation for mequinol in melasma.
Corticosteroids reduce pigmentation by decreasing the epidermal turnover and its anti-metabolic effect on melanocytes. Both fluorinated and nonfluorinated steroids have been used in the TCC in various formulations. However, their use as monotherapy is not recommended due to the plethora of AE and misuse by the patients.
Azelaic acid (AA) is a nonphenolic dicarboxylic acid that acts by competitively inhibiting tyrosinase enzyme. It inhibits DNA synthesis and mitochondrial enzymes causing anti-proliferative and cytotoxic effects on abnormal melanocytes. It has no effect on the normally pigmented skin.
In a prospective, single-blinded, split face comparison study, 40 Indian patients with melasma applied AA cream 20% to one half of the face for 24 weeks and clobetasol 0.05% for eight weeks followed by AzA cream 20% for the next 16 weeks. Sequential therapy was associated with more significant improvement than monotherapy.
AA has a good safety profile but may rarely cause erythema and stinging. By its efficacy and good safety profile, it is a good option for patients who cannot tolerate TCC. [Table 7] summarizes the clinical trials with AA.,,,,
Level and quality of evidence: IB
Kojic acid (KA) is hydrophilic fungal derivative that inhibits tyrosinase, by chelating copper at the active site of the enzyme. It is used in a concentration of 1%–4%.
Various studies have been done to evaluate its role in melasma and these have shown mixed results [Table 8].,,, KA is less effective when used as monotherapy but shows good results in combination with HQ and GA.
Level and quality of evidence: B
It is a derivative of D-glucopyranoside that competitively inhibits tyrosinase and is cytotoxic to melanocytes. Deoxyarbutin is the synthetic derivative of arbutin with higher efficacy and stability. In a prospective, open-label study, a formulation containing nicotinamide 4%, arbutin 3%, bisabolol 1%, and retinaldehyde 0.05% was found to be associated with significant reduction in MASI scores. Arbutin has also been used in combination with NdYAG laser and found to have good results in melasma.
Level and quality of evidence: C
Vitamin C inhibits melanogenesis by acting as a reducing agent at various oxidative steps in melanin synthesis. However, stability is an issue with the Vitamin C preparations due to rapid oxidation. Magnesium ascorbic phosphate is a stable esterified derivative of Vitamin C.
In a split-face RCT, 16 women with melasma used 5% AA and 4% HQ on either side of the face for 16 weeks. HQ showed significantly better results but more AE (93% vs. 62.5%), as compared to Vitamin C.
Level and quality of evidence IB
It is the active amide of Vitamin B3 that reduces pigmentation by inhibiting the transfer of melanosomes to keratinocytes. In a double-blind RCT, 4% niacinamide cream was compared with 4% HQ in 27 melasma patients. About 44% of patients showed good to excellent improvement with niacinamide compared to 55% with HQ. AE was less with niacinamide and histopathology showed decreased inflammatory infiltrate and solar elastosis in the treated lesions.
Level and quality of evidence: IB
A number of newer derivatives of the conventional drugs, synthetic compounds and botanicals derived from natural sources are being studied for their potential role in reducing melanogenesis and pigmentation. These compounds have been found to lighten melasma and hyperpigmentation induced by UV exposure. They can prove to be effective in the treatment of melasma, especially as adjuncts to first-line treatments and for maintenance. These agents work through various mechanisms such as inhibition of activity or maturation of tyrosinase enzyme as well as acceleration of its degradation. Other mechanisms include anti-inflammatory, antioxidant, peroxidase inhibition or breaking down melanin, prevention of transfer of melanosomes from melanocytes to the keratinocytes (niacinamide) and stimulation of peroxisome proliferator-activated receptors (octadienedioic acid).
A number of these drugs have been studied in human trials on melasma, solar lentigines or UV induced hyperpigmentation with encouraging results as elucidated in [Table 9].,,,,,,,,,,,,,,,,, Others such as cinnamic acid, green tea extracts, flavonoids, gentistic acid, pyronic acrylic acid inhibitors, zinc dihydrolipoylhistidinate and resveratrol are in the process of development and preclinical studies. The knowledge of the properties of these agents enables the dermatologist to choose a product that gives the best benefit to their patients while minimizing the side effects Although experimental evidence suggests their possible benefits, rigorous controlled trials are mostly lacking for these agents. Thus, these cannot be strongly recommended for melasma at present and more studies are required to further elucidate their role.
Oral drugs for melasma
Tranexamic acid (TXA) (Trans-4-Aminomethylcyclohexane-carboxylic acid) is a synthetic derivative of the amino acid lysine. It binds reversibly to the lysine binding sites on plasminogen molecules and inhibits plasminogen activator (PA) and thus the conversion of plasminogen to plasmin. Plasminogen also exists in the basal epidermal cells and keratinocytes and induction of this keratinocyte-PA system by UV exposure results in melanogenesis through production of prostaglandins and leukotrienes. It is through prevention of binding of plasminogen to keratinocyte, TA inhibits UV-induced plasmin activity in keratinocytes, thereby decreasing melanogenesis through reduced production of PGs.
The effect of oral TA in melasma has been studied in multiple trials, as summarized in [Table 10].,,,,,,,, However, only two of them are RCTs. Padhi and Pradhan  evaluated the efficacy of oral TA in 40 Indian patients who were given oral TXA (250 mg twice a day for 8 weeks) in addition to a TCC, (fluocinolone acetonide 0.01%, tretinoin 0.05%, and HQ2%). There was a faster reduction in MASI in the combination group and the efficacy was maintained throughout the 6 months follow-up period.
In another RCT conducted by Karn et al., in 260 patients of melasma, the efficacy of TA was compared to routine topical treatment. One group received oral TA 250 mg twice a day for 3 months along with routine topical measures, whereas the other group received routine topical treatment alone. The combination treatment group showed statistically significant decrease in mean MASI from baseline to 8 and 12 weeks. The authors concluded that oral TA provides rapid and sustained improvement in the treatment of melasma.
Overall recommendation: as per available evidence, oral TA may be used alone or as an adjuvant to conventional topical drugs. It can also be used when other topical treatments fail. However, there are limited studies with small sample size and variable dosage and duration. Larger RCTs are required to evaluate the efficacy and long-term follow-up as well as serious AE.
Other oral drugs
There is only one RCT that has evaluated the efficacy of oral procyanidin in melasma. In this double-blind, placebo-controlled trial conducted by Handog EB et al., in 60 Filipino women with epidermal melasma, the safety and efficacy of oral procyanidin plus Vitamin A, C, E were compared with placebo. The patients received either the drug or placebo twice daily with meals for 8 weeks. Results were evaluated using mexameter, MASI and global evaluation by the patient. The procyanidin group showed a significant improvement in pigmentation with minimal AEs.
However, this study had the limitation that procyanidin was not evaluated as monotherapy and thus, the benefit achieved cannot be ascribed to procyanidin alone.
Oral polypodium leucotomos extract
One double-blinded RCT was done with oral polypodium leucotomos extract (240-mg thrice a day) for 12 weeks among 40 hispanic patients with moderate to severe melasma. There was an improvement in MASI and melasma-related quality-of-life, but it was not statistically significant.
Evidence level B
Recommendation: there is lack of evidence to recommend this drug in melisma.
Pycnogenol is an extract of the bark of Pinus pinaster, a French pine tree. It has antioxidant properties, increases the endogenous antioxidant enzyme system and also protects against UV radiation. Its efficacy in melasma was evaluated in a single clinical trial conducted by Ni et al. in 30 women with melasma who took one tablet of Pycnogenol (25 mg) with meals three times daily for 30 days. MASI and pigmentary intensity index decreased after treatment. Several other symptoms such as fatigue, constipation, pains in the body, and anxiety were also improved, and no AE was seen.
It cannot be recommended in melasma until further studies are available.
No available study in melasma
| Conclusions|| |
Medical management of melasma with topical skin lightening therapy still remains the mainstay of therapy and should always be used as first-line agents. HQ, triple combination therapy, other agents and upcoming oral therapies will be used in combination in the future. The SPF with the Pigmentary Disorders Society suggests an easy to follow an algorithm, [Figure 1], where peels and lasers form second- and third-line therapies respectively.
|Figure 1: Treatment algorithm for melasma in India, by a Consensus meeting of SPF(South Asian Pigmentary Disorders forum) with Pigmentary Disorders Society(PDS)|
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The Consensus Meeting of a group South Asian Pigmentary Disorders Forum with Pigmentary Disorders Society was made possible by an educational grant by Galderma, India.
Financial support and sponsorship
Conflicts of interest
There are no conflicts of interest.
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What is new?
- Although topical therapy with hydroquinone and triple combination therapy leads the list in treatment of melasma, a careful watch for side effects of topical corticosteroids must be done.Mometasone or fluticasone containing creams should be totally discouraged.
- A large number of newer botanical agents offer a suitable alternative and should be used for maintaining lightening of melasma.
- Sunscreens containing more of inorganic sunscreens especially iron oxide appear more promising.
- Oral agents,especially tranexamic acid has been well studied and used but does need more follow up for side effects.
- Treatment of medical conditions concomitantly is important.
[Table 1], [Table 2], [Table 3], [Table 4], [Table 5], [Table 6], [Table 7], [Table 8], [Table 9], [Table 10]
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