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Comparative study of 1064nm Q-switched ND:YAG laser and Er:YAG2940nm laser in treatment of macular amyloidosis

Comparative study of 1064nm Q-switched ND:YAG laser and Er:YAG2940nm laser in treatment of macular amyloidosis

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20200811048363N1
Enrollment
39
Registered
2021-03-04
Start date
2021-03-05
Completion date
Unknown
Last updated
2021-04-26

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

Conditions

macular amyloidosis. Organ-limited amyloidosis

Interventions

Intervention 1: Intervention group: In each patient, the lesion will be randomly divided into 2 zones A and B (two squares of equal size). Zone A under 4 treatment sessions with 4-week intervals of Nd

Sponsors

Esfahan University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: Patients with macular amyloidosis clinical symptoms Patients with at least 5 to 10 cm2 macular amyloidosis skin lesion on the trunk or limbs At least 6 months have passed since the onset of skin lesion

Exclusion criteria

Exclusion criteria: Pregnancy, breastfeeding or deciding to get pregnant in the next 2 months Personal history of hypertrophic scar or keloid formation Personal history of melanoma or other skin cancers History of systemic retinoid therapy during last 6 months History of any systemic treatment during the last 3 months for macular amyloidosis history of any topical treatment during the last month for macular amyloidosis

Design outcomes

Primary

MeasureTime frame
Intensity changes of pigmentation. Timepoint: Before the intervention (0) ; 4 weeks after the last session of intervention. Method of measurement: photography with a single camera.;Intensity changes of pigmentation. Timepoint: Before the intervention (0) ; 4 weeks after the last session of intervention. Method of measurement: Questionnaire with Visual Analogue Scale.;Intensity changes of itching. Timepoint: Before the intervention (0) ; 4 weeks after the last session of intervention. Method of measurement: Questionnaire with Visual Analogue Scale.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMaral Yazdanpanah

Esfahan University of Medical Sciences

marlyyazdan@yahoo.com+98 31 3667 1163

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026