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The efficacy of superficial subcutaneous Poly-D, L-Lactic Acid injection in treating abdominal striae (Stretch Mark): A randomized, split side of abdomen, pilot study

The efficacy of superficial subcutaneous Poly-D, L-Lactic Acid injection in treating abdominal striae (Stretch Mark): A randomized, split side of abdomen, pilot study

Status
Recruiting
Phases
Early Phase 1
Study type
Interventional
Source
TCTR
Registry ID
TCTR20250918003
Enrollment
16
Registered
2025-09-18
Start date
2025-09-18
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Women who have white stretch mark (Striae Alba) around abdominal area after pregnancy Stretch mark, Biostimulator, PDLLA, Poly-D, L-Lactid Acid

Interventions

Compare efficacy between Poly-D, L-Lactic Acid (PDLLA) injection and Normal Saline Solution (NSS) injection 1 Vial of Product consist of PDLLA 150 mg mix with 9 ml SWFI : 1 ml lidocaine (Split Side -
Efficacy of Poly-D, L-Lactic Acid (PDLLA) injection to Stretch Mark,Efficacy of Normal Saline Solution (NSS) injection to Stretch Mark

Sponsors

K.N.A INTER PHARMA Co.,Ltd
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
25 Years to 50 Years

Inclusion criteria

Inclusion criteria: 1.Female Thai volunteers with abdominal striae distensae following pregnancy, aged between 25 to 50 years, 2.Participants who desire to improve post-pregnancy abdominal striae, 3.Participants who are able to complete the entire 20-week study period, 4.Participants who voluntarily agree to participate in the study and provide written informed consent, 5.Only participants with white striae (Striae Alba stage) on the abdomen will be included

Exclusion criteria

Exclusion criteria: 1.Participants who have undergone abdominal surgery, received topical or injectable treatments, or undergone laser therapy for abdominal striae within 6 months prior to study enrollment, 2.Participants with a history of keloid formation or hypertrophic scarring, 3.Participants with skin infections near the intended injection site, 4.Participants with bleeding disorders, collagen synthesis disorders, or genetic abnormalities related to collagen production, 5.Participants with a history of allergy to lidocaine (injectable or topical anesthetic), PDLLA, or any component of the investigational product, 6.Pregnant or breastfeeding women, or those with a likelihood of becoming pregnant, 7.Participants with red abdominal striae (Striae Rubra stage), 8.Participants with mixed red and white abdominal striae (Striae Rubra and Striae Alba stages)

Design outcomes

Primary

MeasureTime frame
Volume 0, 4, 8, 12, 20 Week Antera 3D,Roughness 0, 4, 8, 12, 20 Week Antera 3D,Wrinkle 0, 4, 8, 12, 20 Week Antera 3D,Pigmentation 0, 4, 8, 12, 20 Week Antera 3D,Striae Distensae Severity Scale 0, 20 Week Photo of Stretch Mark (Abdominal Area),Global Aesthetic Improvement Scale (GAIS) 0, 20 Week Photo of Stretch Mark (Abdominal Area)

Secondary

MeasureTime frame
Swelling at the injection site 24 hour, 48 hour, 4 week, 8 week, 12 week, 20 week Case Record Form (CRF),Bruising at the injection site 24 hour, 48 hour, 4 week, 8 week, 12 week, 20 week Case Record Form (CRF),Redness at the injection site 24 hour, 48 hour, 4 week, 8 week, 12 week, 20 week Case Record Form (CRF),Itching at the injection site 24 hour, 48 hour, 4 week, 8 week, 12 week, 20 week Case Record Form (CRF),Formation of nodules at the injection site 48 hour, 4 week, 8 week, 12 week, 20 week Case Record Form (CRF),Skin discoloration at the injection site 24 hour, 48 hour, 4 week, 8 week, 12 week, 20 week Case Record Form (CRF),Pain score at the injection site 24 hour, 48 hour, 4 week, 8 week, 12 week, 20 week Case Record Form (CRF)

Countries

Thailand

Contacts

Public ContactPansak Sugkraroek

College of Integrative Medicine (CIM), Dhurakij Pundit University

dpuhrec@dpu.ac.th029547300

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026