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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT05600075
Other study ID # atrophic post-acne scars
Secondary ID
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date February 22, 2023
Est. completion date December 1, 2023

Study information

Verified date February 2023
Source Zagazig University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

To examine the anti-scarring effect of topical glycolic acid 35% combined with microneedling against that of topical insulin combined with microneedling for post acne scars


Description:

Acne vulgaris (AV) is a common chronic inflammatory disease of skin that develops from sebaceous glands associated with hair follicles. Typically AV begins at puberty and may continue through adulthood affecting the comedogenic areas of face, back and chest . One of the undesirable outcomes of acne is acne scars that are divided into two main types based on a loss (atrophic) or gain (hypertrophic) of collagen. Atrophic type is the most common type, further subdivided into three subtypes: icepick, boxcar and rolling scar . Post acne scars occur in nearly 75% of patients with acne affecting both male and female equally . Acne scars impair quality of life and may be a risk factor for depression, suicide, low academic performance and unemployment . There are different therapeutic modalities for atrophic acne scars including microneedling, chemical peeling, laser, filler, surgical procedures (punch excision, punch grafts) and fat transfer. Microneedling is considered safe for all skin types. It is performed by dermapen or dermaroller to induce new collagen formation that remains for a few months after the procedure. Microneedling enhances the effect of topical preparations when used combined with them due to increasing their absorption by creating small channels through the epidermis to the dermis . It was reported that combination of glycolic acid (GA) with microneedling gave excellent results in treatment of post acne scars compared to microneedling alone. Glycolic acid is an alpha hydroxy acid that decreases corneocytes cohesion leading to increasing keratinocytes turnover rate and faster desquamation . It was found that glycolic acid increases dermal hyaluronic acid and collagen gene expression through increasing the secretion of IL6 . the administration of topical human insulin was investigated for the treatment of atrophic post-acne scars and concluded that topical insulin following microneedling was associated with significant improvement. Topical insulin induces collagen formation and neovascularization through synthesis of transforming growth factor (TGF b1) and vascular endothelial growth factor (VEGF).


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 30
Est. completion date December 1, 2023
Est. primary completion date September 1, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - All types of facial atrophic acne scars - Patients aged >18 years - Both sexes Exclusion Criteria: - Pregnancy and lactation - Active acne or any active facial lesion - History of keloid scar - History of systemic diseases as DM or hypotension - Bleeding and coagulation disorders - Infection and immunosuppression

Study Design


Related Conditions & MeSH terms

  • Acne Scars - Mixed Atrophic and Hypertrophic
  • Atrophy

Intervention

Drug:
microneedling with topical glycolic acid 35%.
15 patients will be subjected to microneedling with topical glycolic acid 35%. Selected patients will receive one session of microneedling combined with a topical agent, with two weeks interval till complete clearance or up to 6 sessions.
microneedling with topical human insulin solution.
15 patients will be subjected to microneedling with topical human insulin solution. Selected patients will receive one session of microneedling combined with a topical agent, with two weeks interval till complete clearance or up to 6 sessions.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Zagazig University

Outcome

Type Measure Description Time frame Safety issue
Primary Goodman and Baron's acne scar grading system Grade 1 Erythematous hypo or hyperpigmented flat marks Grade 2 Mild atrophy not obvious at social distance of >/=50 cm or easily covered by makeup or beard hair in male Grade 3 Moderate atrophy obvious at social distance of >/=50 cm, not easily covered by makeup or beard hair but able to be flattened by manual stretching of the skin Grade 4 Sever atrophy obvious at social distance >50 cm, not easily covered by makeup and not able to be flattened by manual stretching of skin through study completion, an average of 1 year
Primary Quartile grading system The improvement of patients is evaluated as follow:
Poor (improvement < 25%) Mild (improvement 26%-50%) Good (improvement 51%-75%) Excellent (improvement >75%)
through study completion, an average of 1 year
Primary 5 point scale for evaluating patient's satisfaction None (no satisfaction) Mild (1%-25% satisfaction) Moderate (26%-50% satisfaction) Good (51%-75% satisfaction) Very good (76%-100% satisfaction) through study completion, an average of 1 year
Primary Pain assessment Pain during the session will be assessed and graded as mild, moderat and sever (Saadawi et al., 2018). through study completion, an average of 1 year
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