Research update: The latest psoriasis treatments and studies

This article is first seen from MedicalNewsToday.

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Psoriasis constitutes an autoimmune condition provoking systemic inflammation. Ongoing and prospective investigations are exploring novel therapies, alternative triggers, and the interconnectedness between the condition and the gut.

Approximately 7.5 million adults in the United States are impacted by psoriasis. Individuals afflicted by this condition usually experience the emergence of painful and pruritic skin patches. Psoriatic disease can also exert influence on other bodily regions like joints, eyes, and various organs and tissues.

While considerable insights into psoriasis have been acquired over the past few decades, there remains a substantial amount to be discovered and explored.

This article examines ongoing research endeavors and suggests ways for individuals affected by psoriasis to engage in current and forthcoming studies.

How the gut relates to psoriasis

The complete mechanisms underlying the development of psoriasis remain elusive to experts. One intriguing avenue of exploration involves investigating the connection between the gut microbiome and psoriasis.

The gut microbiome signifies a diverse assemblage of different bacteria and microorganisms that reside in an individual’s gastrointestinal tract.

In a 2020 systematic review, researchers highlighted the potential of the gut microbiome to shape future treatments and preventive strategies for psoriasis. Their study uncovered that deviations from the norm in the microbiome, including abnormal colonization by C. albicans and S. aureus, were contributing factors to the pathogenesis of psoriasis.

However, the researchers also acknowledge that inconsistencies in methodologies across studies presently prevent the identification of consistent patterns or broad generalizations about the specific changes that contribute to psoriasis. Nevertheless, they posit that forthcoming studies into the gut microbiome and interventions like probiotics might hold the key to both preventing and treating psoriasis.

Keratinocyte link to psoriasis

In a study conducted in 2020 , researchers observed that previous investigations had identified and examined keratinocytes as a potential catalyst for psoriasis. They emphasize that accumulating evidence not only implicates keratinocytes in initiating psoriasis but also in sustaining its active phase.

Similarly, findings from a study carried out in 2022 corroborate these conclusions, suggesting that keratinocytes play a dual role in both instigating and perpetuating psoriasis. Numerous factors are believed to contribute to their role, encompassing:

  • Genetics
  • Cytokines and receptors
  • Metabolism
  • Cell signaling
  • Proteins with other different functions
  • Transcription factors
  • Noncoding RNAs
  • Antimicrobial peptides

The researchers underscore that many of these factors likely interact in a coordinated manner to modify the functioning of keratinocytes, thereby establishing a connection between keratinocytes and psoriasis. They also acknowledge that although significant progress has been made in comprehension, much about the precise functioning of these factors remains enigmatic.

Despite this, researchers hold optimism that comprehending the intricate workings of these various factors could pave the way for effective psoriasis treatments that target keratinocytes.

Vaccinations and flares

In a case study published in 2021, investigators documented the experience of a 16-year-old who experienced a psoriasis flare following the administration of a second dose of Pfizer’s COVID-19 vaccine. While the researchers acknowledged that instances of vaccinations triggering flares are uncommon, they did highlight the possibility of such events occurring. Therefore, medical practitioners should exercise caution and be attentive to detect any signs of a flare when administering vaccines to individuals with psoriasis.

Biologics for psoriasis 

Biologics, a category of medications that incorporate elements from human, animal, or microorganisms, are being employed for psoriasis treatment. While there are currently various biologics accessible for psoriasis, there exists a requirement for further investigation and comprehension.

As per a study conducted in 2020, numerous inquiries linger concerning the utilization of biologics in treating psoriasis. Some aspects under scrutiny encompass:

  • The speed at which effects become evident
  • The sustained effectiveness over the long term
  • The overall safety profile
  • The impact on concurrent health conditions

The researchers emphasize that gaining more precise answers to these queries could result in heightened satisfaction among users, increased adherence to treatment, and a reduction in the impact of psoriasis on the quality of life for those affected by it.

Clinical trials

Clinical trials serve as platforms for researchers to investigate the safety and efficacy of novel treatments for psoriasis. These trials follow a multifaceted process, encompassing progressively larger groups of individuals in subsequent phases.

Participating in a clinical trial entails the possibility of being exposed to a new therapeutic medication or approach aimed at managing psoriasis. However, eligibility criteria can vary for each trial, making consultation with a medical professional essential in determining one’s eligibility for participation.

Numerous clinical trials dedicated to exploring new or alternative psoriasis treatments are conducted annually. The National Psoriasis Foundation provides resources that aid individuals in identifying local clinical trials. For instance, an ongoing study is recruiting participants with plaque or guttate psoriasis to investigate phototherapy.

Another avenue to explore clinical trial opportunities is through This database contains information about ongoing and forthcoming psoriasis studies, as well as those addressing a range of other conditions.

In certain instances, individuals with psoriasis may find assistance from their healthcare provider in identifying ongoing or upcoming clinical trials. Medical professionals can offer insights into whether a patient is a suitable candidate for a particular trial based on their medical history and condition.


Scientists are delving into the fundamental mechanisms that drive psoriasis and investigating both current and potential future therapeutic approaches for this condition. Enhancing the comprehension of the underlying mechanisms can pave the way for the suggestion of novel treatment alternatives.

The ongoing research spotlight is currently directed towards gaining further insights into biologics, deciphering the correlation between keratinocytes and psoriasis, and unraveling the impact of the gut microbiome on psoriasis.

Clinical investigations often seek individuals grappling with specific medical conditions, thus individuals with psoriasis who wish to participate can explore options on or engage in discussions with a medical professional regarding local research opportunities.

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