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Conventional Photodynamic Therapy vs. Painless Photodynamic Therapy for Moderate or Severe Acne

Conventional Photodynamic Therapy vs. Painless Photodynamic Therapy for Moderate or Severe Acne#a Randomized, Open-label Trial

Status
UNKNOWN
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03961607
Enrollment
20
Registered
2019-05-23
Start date
2019-05-10
Completion date
2019-12-30
Last updated
2019-05-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acne

Keywords

Photodynamic Therapy, Conventional, Painless, Acne

Brief summary

This study is being done to compare a new, continuous illumination and short Incubation time regimen of aminolevulinic acid photodynamic therapy#ALA- PDT) to a conventional regimen for treatment of Moderate or Severe Acne. The hypothesis is that the continuous illumination approach will be less or even no painful, but equally efficacious, as the old regimen.

Interventions

Aminolevulinic acid photodynamic therapy

Sponsors

Shanghai Dermatology Hospital
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Outcomes Assessor)

Masking description

Evaluator assesses photographs without prior knowledge of intervention

Eligibility

Sex/Gender
ALL
Age
18 Years to 30 Years
Healthy volunteers
No

Inclusion criteria

1. Clinical diagnosed with moderate to severe acne; 2. Male and female patients of age between 18-30 years old ; 3. All patients read the instructions of the subject, willing to follow the program requirements; 4. No other topical treatment received within 2 weeks prior to enrollment; 5. No systemic treatment was given within 4 weeks prior to enrollment; 6. Patients were unsuitable for surgery for various reasons,unwilling to undergo surgery, and signed informed consent when they had informed other alternatives and agreed to take pictures of the lesion. -

Exclusion criteria

1. Those who did not complete the informed consent; 2. The lesions belongs to any of the following conditions: There is damage and inflammation, which may lead to the drug entering the open wound; 3. Patients with skin photoallergic diseases, porphyria; 4. Known to have a history of allergies to test drugs (porphyrins) and their chemically similar drugs; 5. Patients with other obvious diseases that may affect the evaluation of efficacy; 6. Scars or patients with a tendency to form scars; 7. Known to have severe immune dysfunction, or long-term use of glucocorticoids and immunosuppressants; 8. Severe heart, liver, kidney disease; with hereditary or acquired People with sexual coagulopathy; 9. Those with severe neurological, psychiatric or endocrine diseases; (10)Women who are pregnant, breast-feeding or using inappropriate contraceptives; those with a history of drug abuse; those who have participated in other drug clinical trials within 4 weeks before treatment.

Design outcomes

Primary

MeasureTime frameDescription
The clearance rate of Moderate or Severe AcneThe clearance rate of Moderate or Severe Acne will be measured at one month after the last treatmentThe clearance rate of Moderate or Severe Acne will be measured at one month after the last treatment

Secondary

MeasureTime frameDescription
Pain assessmentImmediately, 1st minute, 3rd minute, 5th minute, 7th minute, 10th minute and 2 hours, 12 hours, 24hours and 48 hours after treatmentThe pain will be assessed using Visual Analogue Scale#VAS) with a score range of 0-10. The higher the score, the greater the pain, with 0 being no pain and 10 being the most unbearable pain. Pain will be measured at different time points during and after every treatment #including immediately, 1st min, 3rd min, 5th min, 7th min, 10th min and 2nd h, 12th h, 24th h and 48th h after treatment.

Countries

China

Contacts

Primary ContactYunfeng Zhang, MD
yunfeng0519116@aliyun.com+86-18017336550
Backup ContactHaiyan Zhang, MD
zhanghaiyan10842@163.com+86-18017336573

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026