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Diagnosis and Treatment of Refractory Complex Skin Diseases: A Single-center, Prospective, Open-label, Non-randomized, Self-controlled Clinical Study Evaluating the Safety and Efficacy of Topical Minocycline for EGFR Inhibitor-Induced Cutaneous Adverse Reactions

Diagnosis and Treatment of Refractory Complex Skin Diseases: A Single-center, Prospective, Open-label, Non-randomized, Self-controlled Clinical Study Evaluating the Safety and Efficacy of Topical Minocycline for EGFR Inhibitor-Induced Cutaneous Adverse Reactions

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600116706
Enrollment
Unknown
Registered
2026-01-14
Start date
2026-01-23
Completion date
Unknown
Last updated
2026-01-27

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

Conditions

EGFR inhibitor-related skin adverse reactions

Interventions

Experimental Group:According to the standard of the Fingertip Unit (FTU), each patient will apply the 2% minocycline vaseline ointment to the lesions on one side of the body twice daily (once in the m
Control group (self control):Apply the corresponding area of the excipient matrix white Vaseline

Sponsors

Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Age 18 years or older, male or female. 2. Diagnosis of visceral malignancy confirmed by pathology, currently receiving EGFR inhibitor therapy. 3. Voluntarily signs a written informed consent form to participate in the study, and is willing and able to comply with study-related visits and procedures. 4. Presence of EGFR inhibitor therapy-related rash rated as grade 2 or lower according to the Management of Epidermal Skin Toxicity Therapy Tool (MESTT) criteria. 5. Eastern Cooperative Oncology Group Performance Status (ECOG-PS) score of 0-2. 6. Expected survival period >= 3 months. 7. Laboratory test results meeting the following requirements: (1) Aspartate aminotransferase (AST): = 75 × 10^9/L (without transfusion or apheresis platelets or growth factor use within 10 days prior to treatment initiation) (8) Absolute neutrophil count: >= 1.5 × 10^9/L (without growth factor use within 10 days prior to treatment initiation) (9) Hemoglobin > 90 g/L (without transfusion or growth factor use within 10 days prior to treatment initiation) (10) Coagulation parameter: INR 50 mL/min, calculated using the Cockcroft-Gault formula: (140 - Age [years]) × Weight (kg) × 1.23 × (0.85 if female) / Serum Creatinine (µmol/L) (13) Urea/urea nitrogen: <= 1.5 × ULN (14) Asymptomatic serum amylase = grade 2 (NCI-CTCAE v5.0). For patients with grade 2 serum amylase abnormality prior to the first dose, confirmation is required that there are no signs and/or symptoms suggestive of pancreatitis or pancreatic injury (e.g., elevated P-amylase, abnormal pancreatic imaging findings, etc.). (15) Serum lipase <= 1.5 × ULN

Exclusion criteria

Exclusion criteria: 1. Systemic use of other antibiotics within 14 days prior to the study initiation or during the study period. 2. Use of any other topical medications during the study period, with the exception of moisturizers. 3. Patients with concurrent skin conditions that may affect efficacy evaluation (including but not limited to eczema and psoriasis). 4. At screening, the patient's ALT or AST is greater than or equal to 1.5 times ULN as defined by the center, or the endogenous CCr is greater than the ULN as defined by the center. 5. At screening, the patient's total white blood cell count (WBC) is greater than 10.0 × 10^9/L or less than 1.0 × 10^9/L. 6. Patient has a history of immunodeficiency diseases (e.g., HIV, etc.), autoimmune diseases, severe cardiovascular or cerebrovascular diseases, or other diseases that may significantly reduce life expectancy. 7. History of any condition that may affect protocol compliance (e.g., severe mental disorders, cognitive dysfunction, drug abuse or addiction, etc.). 8. Pregnant or breastfeeding women. 9. Men and women during the conception planning period (including those with explicit conception plans or not using effective contraception, and their partners). 10. Known allergy to any component of the study medication. 11. Patients judged by the investigator as unsuitable for participation in this study.

Design outcomes

Secondary

MeasureTime frame
FACT-EGFR 18 score;FACT-EGFR 18 score;Lesion count;MESTT grade;

Primary

MeasureTime frame
Lesion count;MESTT grade;

Countries

China

Contacts

Public ContactShen Zhu

Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University

zhushencq@hotmail.com+86 139 8317 4426

Outcome results

None listed

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