Skin Quality ImprovementPhase 4FCLADHAAASDFSQNCT07376148
Fractional CO2 Laser-assisted Delivery of Hyaluronic Acid, Ascorbic Acid and Sodium DNA For Enhancing Facial Skin Quality in Individuals Over the Age of 30
A Phase 4 study testing topical hyaluronic acid, ascorbic acid, and sodium DNA following ablative fractional laser treatment in people with Skin Quality Improvement and Photo-aged Skin, run by Instituto de Oftalmología Fundación Conde de Valenciana at 1 site in Mexico.
Trial summary
Evaluate the effectiveness of topical hyaluronic acid, ascorbic acid, and sodium DNA following ablative fractional laser treatment in objectively reversing facial skin alterations induced by photoaging. Read more about this study
- Who is it for?
- Ages 30 years and older
- Conditions the study is for
- Skin Quality Improvement, Photo-aged Skin, Drug Delivery Systems
- What is being tested?
- topical hyaluronic acid, ascorbic acid, and sodium DNA following ablative fractional laser treatment
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 30 participants
- Where
- 1 siteMexico
- Study dates
- 7 Nov 2025to 30 Apr 2026
- Phase
- Phase 4
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 30 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Male and female subjects, over 30 years of age, with moderate skin changes associated with elasticity, wrinkles, roughness, pigmentation, erythema, and pore size; with at least 12 points on the SASSQ scale. Fitzpatrick skin type I-III. Participants who agree to take part in the protocol
Who cannot join
- Fitzpatrick skin type IV-VI. Local infections or inflammatory disorders.. Neoplasms suspected of being malignant. Allergy to hyaluronic acid, ascorbic acid, and sodium DNA. Hypersensitivity to fractional CO2 laser. Pregnancy or breastfeeding. Local or systemic adverse reaction
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
Mexico1 site, 1 recruiting
- Recruiting
Instituto de Oftalmología F.A.P. Conde de Valenciana, I.A.P.
Mexico City, Mexico City, 06800
Daniel B Mejia Llanes MD, Medical Doctor, +503 6420 5801, db.mejia@outlook.com
About this study
Evaluate the effectiveness of topical hyaluronic acid, ascorbic acid, and sodium DNA following ablative fractional laser treatment in objectively reversing facial skin alterations induced by photoaging.
Read the detailed description
The study involves the application of ascorbic acid, hyaluronic acid, and sodium DNA in preparation for their use following the administration of a fractional CO2 laser treatment. Participants will attend a total of four sessions. During the initial session, participants will complete and sign a consent form, baseline photographs will be captured for documentation purposes, and an initial assessment will be conducted using the SASSQ. At the second session, the fractional CO2 laser will be applied, followed by the application of the topical medication to the facial area. During the third and fourth sessions, scheduled one week and four weeks post-treatment, respectively, the facial dermal effects will be objectively evaluated using the SASSQ scale, and any adverse effects will be assessed and documented through photographs.
To facilitate the analysis and comparison of variables, an analysis of variance will be conducted utilizing the ANOVA test for repeated measures. The IBM SPSS Statistics software, version 29.0, will be employed for this purpose. A p-value of less than 0.05 will be regarded as statistically significant.
- Being tested
- topical hyaluronic acid, ascorbic acid, and sodium DNA following ablative fractional laser treatment
- Keywords
- Skin Quality, Fractional Ablative Resurfacing;, Topical Drugs
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
topical hyaluronic acid, ascorbic acid, and sodium DNA following ablative fractional laser treatmentDrug
The study involves the application of ascorbic acid, hyaluronic acid, and sodium DNA in preparation for their use following the administration of a fractional CO2 laser treatment
| Study group | Role | What they receive |
|---|---|---|
| Application of ascorbic acid, hyaluronic acid, and sodium DNA in preparation for their use following | Experimental | Participants will attend a total of four sessions. During the initial session, participants will complete and sign a consent form, baseline photographs will be captured for documentation purposes, and an initial assessment will be conducted using the SASSQ. At the second session, the fractional CO2 laser will be applied, followed by the application of the topical medication to the facial area. During the third and fourth sessions, scheduled one week and four weeks post-treatment, respectively, the facial dermal effects will be objectively evaluated using the SASSQ scale, and any adverse effects will be assessed and documented through photographs. Receives: Drug: topical hyaluronic acid, ascorbic acid, and sodium DNA following ablative fractional laser treatment |
What is being measured
The primary outcome is the main question the study is designed to answer.
Skin quality
Quantitative enhancement that can be assessed using a validated scale (SASSQ)
Measured: From enrollment to the end of treatment at 4 weeks
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted29 Jan 2026
- Study start7 Nov 2025
- Primary completion28 Feb 2026 (estimated)
- Study completion30 Apr 2026 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (33)Papers the sponsor has linked to this study.
- Other trials for Skin Quality ImprovementStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 4
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Model description
- The study involves the application of ascorbic acid, hyaluronic acid, and sodium DNA in preparation for their use following the administration of a fractional CO2 laser treatment. Participants will attend a total of four sessions. During the initial session, participants will complete and sign a consent form, baseline photographs will be captured for documentation purposes, and an initial assessment will be conducted using the SASSQ. At the second session, the fractional CO2 laser will be applied, followed by the application of the topical medication to the facial area. During the third and fourth sessions, scheduled one week and four weeks post-treatment, respectively, the facial dermal effects will be objectively evaluated using the SASSQ scale, and any adverse effects will be assessed and documented through photographs. To facilitate the analysis and comparison of variables, an analysis of variance will be conducted utilizing the ANOVA test for repeated measures.
- Masking
- None (open label)
- Enrolment
- 30 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Instituto de Oftalmología Fundación Conde de Valenciana
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07376148
- Sponsor's protocol ID
- CEI-2025/05/04
- Acronym
- FCLADHAAASDFSQ
- Status last verified
- Jan 2026
- First submitted
- 21 Jan 2026
- Last updated
- 29 Jan 2026
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes
Publications
Kieser M, Wassmer G. On the use of the upper confidence limit for the variance from a pilot sample for sample size determination. Biom J. 1996;38(8):941-9. doi: 10.1002/bimj.4710380806
Browne RH. On the use of a pilot sample for sample size determination. Stat Med. 1995 Sep 15;14(17):1933-40. doi: 10.1002/sim.4780141709.
PubMed 8532986Eiben-Nielson C, Kerscher M. Development and validation of a global photonumeric scale for evaluating skin quality of aged female facial skin. J Cosmet Dermatol. 2021 Dec;20(12):4032-4039. doi: 10.1111/jocd.14058. Epub 2021 Mar 24.
PubMed 33690945Fitzpatrick RE. Maximizing benefits and minimizing risk with CO2 laser resurfacing. Dermatol Clin. 2002 Jan;20(1):77-86. doi: 10.1016/s0733-8635(03)00047-0.
PubMed 11859596Iaconisi GN, Lunetti P, Gallo N, Cappello AR, Fiermonte G, Dolce V, Capobianco L. Hyaluronic Acid: A Powerful Biomolecule with Wide-Ranging Applications-A Comprehensive Review. Int J Mol Sci. 2023 Jun 18;24(12):10296. doi: 10.3390/ijms241210296.
PubMed 37373443Palomar-Llatas F, Castellano-Rioja E, Arantón-Areosa L, Fornes-Pujalte B, Palomar-Albert D, Díez-Fornes P, et al. Abordaje de las lesiones cutáneas más frecuentes en el envejecimiento. Enfermería Dermatológica [Internet]. 2020;14(39). doi: 10.5281/zenodo.3779297
Holck DE, Ng JD. Facial skin rejuvenation. Curr Opin Ophthalmol. 2003 Oct;14(5):246-52. doi: 10.1097/00055735-200310000-00004.
PubMed 14502051Cafardi JA, Elmets CA. T4 endonuclease V: review and application to dermatology. Expert Opin Biol Ther. 2008 Jun;8(6):829-38. doi: 10.1517/14712598.8.6.829.
PubMed 18476794Yarosh DB, Rosenthal A, Moy R. Six critical questions for DNA repair enzymes in skincare products: a review in dialog. Clin Cosmet Investig Dermatol. 2019 Aug 29;12:617-624. doi: 10.2147/CCID.S220741. eCollection 2019.
PubMed 31695467Ge S, Chung HJ, Weiss RA. Histologic Effects of Fractional Lasers and Energy-Based Devices on Intradermally Injected Hyaluronic Acid Filler for Improving Skin Smoothness. Lasers Surg Med. 2025 Jan;57(1):96-100. doi: 10.1002/lsm.23863. Epub 2024 Nov 29.
PubMed 39611591Zhang J, Xu F, Lin H, Ma Y, Hu Y, Meng Q, Lin P, Zhang Y. Efficacy of fractional CO2 laser therapy combined with hyaluronic acid dressing for treating facial atrophic acne scars: a systematic review and meta-analysis of randomized controlled trials. Lasers Med Sci. 2023 Sep 19;38(1):214. doi: 10.1007/s10103-023-03879-y.
PubMed 37723352Weinstein-Oppenheimer CR, Brown DI, Coloma R, Morales P, Reyna-Jeldes M, Diaz MJ, Sanchez E, Acevedo CA. Design of a hybrid biomaterial for tissue engineering: Biopolymer-scaffold integrated with an autologous hydrogel carrying mesenchymal stem-cells. Mater Sci Eng C Mater Biol Appl. 2017 Oct 1;79:821-830. doi: 10.1016/j.msec.2017.05.116. Epub 2017 May 17.
PubMed 28629085Murphy SV, Skardal A, Song L, Sutton K, Haug R, Mack DL, Jackson J, Soker S, Atala A. Solubilized Amnion Membrane Hyaluronic Acid Hydrogel Accelerates Full-Thickness Wound Healing. Stem Cells Transl Med. 2017 Nov;6(11):2020-2032. doi: 10.1002/sctm.17-0053. Epub 2017 Sep 23.
PubMed 28941321Fanian F, Deutsch JJ, Bousquet MT, Boisnic S, Andre P, Catoni I, Beilin G, Lemmel C, Taieb M, Gomel-Toledano M, Issa H, Garcia P. A hyaluronic acid-based micro-filler improves superficial wrinkles and skin quality: a randomized prospective controlled multicenter study. J Dermatolog Treat. 2023 Dec;34(1):2216323. doi: 10.1080/09546634.2023.2216323. Epub 2023 Aug 14.
PubMed 37577796Abatangelo G, Vindigni V, Avruscio G, Pandis L, Brun P. Hyaluronic Acid: Redefining Its Role. Cells. 2020 Jul 21;9(7):1743. doi: 10.3390/cells9071743.
PubMed 32708202
Study at a glance
From the registry record, last updated by the sponsor on 29 Jan 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Fractional CO2 Laser-assisted Delivery of Hyaluronic Acid, Ascorbic Acid and Sodium DNA For Enhancing Facial Skin Quality in Individuals Over the Age of 30
- ClinicalTrials.gov ID
- NCT07376148
- Acronym / sponsor ID
- FCLADHAAASDFSQ / CEI-2025/05/04
- Keywords
- Skin Quality, Fractional Ablative Resurfacing;, Topical Drugs
- Phase
- Phase 4
- Study type
- Interventional
- Recruitment status
- Recruiting
- Enrolment
- 30 participants (estimated)
- Lead sponsor
- Instituto de Oftalmología Fundación Conde de ValencianaUniversity, hospital or other
- Study start
- 7 Nov 2025 (actual)
- Primary completion
- 28 Feb 2026 (estimated)
- Study completion
- 30 Apr 2026 (estimated)
- First posted
- 29 Jan 2026 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Evaluate the effectiveness of topical hyaluronic acid, ascorbic acid, and sodium DNA following ablative fractional laser treatment in objectively reversing facial skin alterations induced by photoaging.
Detailed description
The study involves the application of ascorbic acid, hyaluronic acid, and sodium DNA in preparation for their use following the administration of a fractional CO2 laser treatment. Participants will attend a total of four sessions. During the initial session, participants will complete and sign a consent form, baseline photographs will be captured for documentation purposes, and an initial assessment will be conducted using the SASSQ. At the second session, the fractional CO2 laser will be applied, followed by the application of the topical medication to the facial area. During the third and fourth sessions, scheduled one week and four weeks post-treatment, respectively, the facial dermal effects will be objectively evaluated using the SASSQ scale, and any adverse effects will be assessed and documented through photographs.
To facilitate the analysis and comparison of variables, an analysis of variance will be conducted utilizing the ANOVA test for repeated measures. The IBM SPSS Statistics software, version 29.0, will be employed for this purpose. A p-value of less than 0.05 will be regarded as statistically significant.
Study design
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
- Model description
- The study involves the application of ascorbic acid, hyaluronic acid, and sodium DNA in preparation for their use following the administration of a fractional CO2 laser treatment. Participants will attend a total of four sessions. During the initial session, participants will complete and sign a consent form, baseline photographs will be captured for documentation purposes, and an initial assessment will be conducted using the SASSQ. At the second session, the fractional CO2 laser will be applied, followed by the application of the topical medication to the facial area. During the third and fourth sessions, scheduled one week and four weeks post-treatment, respectively, the facial dermal effects will be objectively evaluated using the SASSQ scale, and any adverse effects will be assessed and documented through photographs. To facilitate the analysis and comparison of variables, an analysis of variance will be conducted utilizing the ANOVA test for repeated measures.
| Arm | Type | Receives |
|---|---|---|
| Application of ascorbic acid, hyaluronic acid, and sodium DNA in preparation for their use following | Experimental | Drug: topical hyaluronic acid, ascorbic acid, and sodium DNA following ablative fractional laser treatmentParticipants will attend a total of four sessions. During the initial session, participants will complete and sign a consent form, baseline photographs will be captured for documentation purposes, and an initial assessment will be conducted using the SASSQ. At the second session, the fractional CO2 laser will be applied, followed by the application of the topical medication to the facial area. During the third and fourth sessions, scheduled one week and four weeks post-treatment, respectively, the facial dermal effects will be objectively evaluated using the SASSQ scale, and any adverse effects will be assessed and documented through photographs. |
Who may qualify
- Ages
- 30 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (1 listed)
- Male and female subjects, over 30 years of age, with moderate skin changes associated with elasticity, wrinkles, roughness, pigmentation, erythema, and pore size; with at least 12 points on the SASSQ scale. Fitzpatrick skin type I-III. Participants who agree to take part in the protocol
Key exclusion criteria (1 listed)
- Fitzpatrick skin type IV-VI. Local infections or inflammatory disorders.. Neoplasms suspected of being malignant. Allergy to hyaluronic acid, ascorbic acid, and sodium DNA. Hypersensitivity to fractional CO2 laser. Pregnancy or breastfeeding. Local or systemic adverse reaction
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| topical hyaluronic acid, ascorbic acid, and sodium DNA following ablative fractional laser treatmentThe study involves the application of ascorbic acid, hyaluronic acid, and sodium DNA in preparation for their use following the administration of a fractional CO2 laser treatment | Drug | Application of ascorbic acid, hyaluronic acid, and sodium DNA in preparation for their use following |
Primary outcome
Skin quality
Time frame: From enrollment to the end of treatment at 4 weeks
Quantitative enhancement that can be assessed using a validated scale (SASSQ)
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 29 Jan 2026.
- Results publicationKieser M, Wassmer G. On the use of the upper confidence limit for the variance from a pilot sample for sample size determination. Biom J. 1996;38(8):941-9. doi: 10.1002/bimj.4710380806
- Results publication: PubMed 8532986Browne RH. On the use of a pilot sample for sample size determination. Stat Med. 1995 Sep 15;14(17):1933-40. doi: 10.1002/sim.4780141709.
- Results publication: PubMed 33690945Eiben-Nielson C, Kerscher M. Development and validation of a global photonumeric scale for evaluating skin quality of aged female facial skin. J Cosmet Dermatol. 2021 Dec;20(12):4032-4039. doi: 10.1111/jocd.14058. Epub 2021 Mar 24.
- Results publication: PubMed 11859596Fitzpatrick RE. Maximizing benefits and minimizing risk with CO2 laser resurfacing. Dermatol Clin. 2002 Jan;20(1):77-86. doi: 10.1016/s0733-8635(03)00047-0.
- Results publication: PubMed 37373443Iaconisi GN, Lunetti P, Gallo N, Cappello AR, Fiermonte G, Dolce V, Capobianco L. Hyaluronic Acid: A Powerful Biomolecule with Wide-Ranging Applications-A Comprehensive Review. Int J Mol Sci. 2023 Jun 18;24(12):10296. doi: 10.3390/ijms241210296.
- Results publicationPalomar-Llatas F, Castellano-Rioja E, Arantón-Areosa L, Fornes-Pujalte B, Palomar-Albert D, Díez-Fornes P, et al. Abordaje de las lesiones cutáneas más frecuentes en el envejecimiento. Enfermería Dermatológica [Internet]. 2020;14(39). doi: 10.5281/zenodo.3779297
- Results publication: PubMed 14502051Holck DE, Ng JD. Facial skin rejuvenation. Curr Opin Ophthalmol. 2003 Oct;14(5):246-52. doi: 10.1097/00055735-200310000-00004.
- Results publication: PubMed 18476794Cafardi JA, Elmets CA. T4 endonuclease V: review and application to dermatology. Expert Opin Biol Ther. 2008 Jun;8(6):829-38. doi: 10.1517/14712598.8.6.829.
- Results publication: PubMed 31695467Yarosh DB, Rosenthal A, Moy R. Six critical questions for DNA repair enzymes in skincare products: a review in dialog. Clin Cosmet Investig Dermatol. 2019 Aug 29;12:617-624. doi: 10.2147/CCID.S220741. eCollection 2019.
- Results publication: PubMed 39611591Ge S, Chung HJ, Weiss RA. Histologic Effects of Fractional Lasers and Energy-Based Devices on Intradermally Injected Hyaluronic Acid Filler for Improving Skin Smoothness. Lasers Surg Med. 2025 Jan;57(1):96-100. doi: 10.1002/lsm.23863. Epub 2024 Nov 29.
- Results publication: PubMed 37723352Zhang J, Xu F, Lin H, Ma Y, Hu Y, Meng Q, Lin P, Zhang Y. Efficacy of fractional CO2 laser therapy combined with hyaluronic acid dressing for treating facial atrophic acne scars: a systematic review and meta-analysis of randomized controlled trials. Lasers Med Sci. 2023 Sep 19;38(1):214. doi: 10.1007/s10103-023-03879-y.
- Results publication: PubMed 28629085Weinstein-Oppenheimer CR, Brown DI, Coloma R, Morales P, Reyna-Jeldes M, Diaz MJ, Sanchez E, Acevedo CA. Design of a hybrid biomaterial for tissue engineering: Biopolymer-scaffold integrated with an autologous hydrogel carrying mesenchymal stem-cells. Mater Sci Eng C Mater Biol Appl. 2017 Oct 1;79:821-830. doi: 10.1016/j.msec.2017.05.116. Epub 2017 May 17.
- Individual participant dataSharing planned: Yes
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 4 study testing topical hyaluronic acid, ascorbic acid, and sodium DNA following ablative fractional laser treatment in people with Skin Quality Improvement and Photo-aged Skin, run by Instituto de Oftalmología Fundación Conde de Valenciana at 1 site in Mexico.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: looking for participants now, as of the sponsor's last update on 29 Jan 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Mexico. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Daniel B Mejia Llanes MD, Medical Doctor (+503 6420 5801, db.mejia@outlook.com), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Skin quality (time frame: From enrollment to the end of treatment at 4 weeks). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT07376148, which also lists 33 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 29 Jan 2026.