The Efficacy Foundation – "At Least as Effective"

Any value analysis must begin with efficacy. A cheaper treatment is not a bargain if it doesn't work. Fortunately, the evidence here is robust and reassuring.

What the Research Says

A 2020 review in Dermatologic Clinics summarized the evidence succinctly: "In a randomized control trial, home phototherapy had similar efficacy to office-based phototherapy" .

This finding has been replicated across multiple studies:

A health technology assessment by the government of Ontario (2020) found that home NB-UVB phototherapy is at least as effective as outpatient clinic NB-UVB phototherapy for the treatment of mild to severe psoriasis (GRADE: Moderate evidence) .
The PLUTO study, a pragmatic randomized controlled trial of 196 adults with psoriasis, demonstrated that home phototherapy is at least as effective and safe as outpatient phototherapy, allowing for cost minimization analyses .

The 308nm Advantage

For 308nm specifically, a 2023 study comparing 308nm LED light to 308nm excimer laser found comparable efficacy:

LPSI 50 rate: 70% on the LED side vs. 80% on the excimer side .
The authors concluded: "The efficacy and safety of 308 nm LED light therapy are comparable to 308 nm excimer laser therapy" .

Key takeaway: You are not sacrificing efficacy for convenience. Home 308nm phototherapy delivers clinically proven results equivalent to in-office treatment.

The 308nm LED Advantage – Emerging Cost-Effectiveness

Recent technological advances further strengthen the value proposition. 308nm LED devices offer several advantages over traditional excimer lamps:

Lower Cost

LED technology is inherently less expensive to manufacture than excimer gas-based systems. A 2023 study explicitly noted that 308nm LED light is "cost-effective" and holds "great promise as a home phototherapy" due to its portability and affordability.

Equivalent Efficacy

The same study confirmed that LED and excimer laser achieve comparable clinical results:

Similar improvement in psoriasis severity scores
Comparable dermoscopic improvements
No significant differences in safety outcomes

Superior Safety Profile

While not directly addressed in the cost analysis, emerging evidence suggests LED may have a lower adverse event rate than excimer lamps, potentially reducing the hidden costs of managing side effects.

Is a Home 308nm Device Effective?

Get the latest price?