- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04369846
A Phase I/IIa Study to Investigate the GM-XANTHO in Healthy Volunteers and Atopic Dermatitis Patients
A Phase I/IIa Study to Evaluate the Safety, Tolerability and Pharmacokinetics of GM-XANTHO in Healthy Volunteers and to Investigate Its Efficacy and Safety Profile in Atopic Dermatitis Patients
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Estimated)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Contact
- Name: Zoe Chen
- Phone Number: +886-2-26557790
- Email: xanthob@gmail.com
Study Locations
-
-
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New Taipei, Taiwan, 235041
- Recruiting
- Ministry of Health and Welfare Shuang-Ho Hospital
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Contact:
- CHIA-LUN CHOU, M.D.
- Phone Number: +886-970-747-761
- Email: gallenatsou@gmail.com
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Principal Investigator:
- CHIA-LUN CHOU, M.D.
-
Taipei, Taiwan, 110301
- Recruiting
- Taipei Medical University Hospital
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Contact:
- Hsiou-Hsin Tsai, Ph.D.
- Phone Number: +886-2-66367135
- Email: tsaihh2000@yahoo.com.tw
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Principal Investigator:
- Hsiou-Hsin Tsai, Ph.D.
-
Taipei, Taiwan, 100225
- Recruiting
- National Taiwan University Hospital
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Contact:
- CHIA-YU CHU, Ph.D.
- Phone Number: +886-2-23562141
- Email: chiayu@ntu.edu.tw
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Principal Investigator:
- CHIA-YU CHU, Ph.D.
-
Taoyuan, Taiwan, 333423
- Recruiting
- Linkou Chang-Gung Memorial Hospital
-
Contact:
- CHUN-BING CHEN, M.D.
- Phone Number: +886-975-360-851
- Email: Chunbing.chen@gmail.com
-
Principal Investigator:
- CHUN-BING CHEN, M.D.
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
Phase I Number of patients achieving IGA of 0 or 1 with a ≥2 point improvement in Phase IIa study
- Female or male, age ≥ 20 years old
- Subjects whose body mass index (BMI) at screening is within a range of ≥ 18.5 kg/m2 and <30.0 kg/m2.
BMI = Body Weight (kg) / [Height (m) × Height (m)]2
- Subject's medical history shows no contraindication to the test medications.
- Subjects judged to be in good health by the investigator based upon the results of physical examinations (PEs), electrocardiogram (ECG) test, and all items of routine laboratory tests, including serum biochemistry, hematology and urinalysis, are within normal range as judged by the site. Assessment items of blood biochemistry include albumin, total protein, total bilirubin, ALP, SGOT, SGPT, BUN, serum creatinine. Assessment items of hematology tests include RBC count, WBC with differential counts, hemoglobin, hematocrit and platelet count. Assessment items of urinalysis include pH, color, appearance, gravity, erythrocyte, leukocyte, glucose, protein, ketones and nitrite.
- Female subjects show negative pregnancy test results and all male and female subjects with child-bearing potential (between puberty and 2 years after menopause) should use at least any one of the appropriate contraception methods as shown in inclusion criteria #12 of phase IIa prior to the first study dose.
Subjects did not take any of the following medications in the specified durations:
- Exposure of test sites to topical medications within 14 days prior to the application of IPs
- Any systemically-absorbed medication (excluding vitamins, food supplements, and hormone contraceptives for birth control) within 14 days prior to the first dose of the study
- Any enzyme inducer/inhibitor and/or known hepatic or renal clearance-altering agents within 30 days prior to the first dose of the study
- Subjects are willing to comply with protocol-stated requirements, instructions and restrictions, followed by understanding and signing the written informed consent form.
Phase IIa
- Female or male, age ≥ 20 years old
- Subjects who are diagnosed of atopic dermatitis based on the Hanifin and Rajka Criteria.
- Subjects who are with IGA score between mild (2) to moderate (3) and the Eczema Area and Severity Indices (EASI) are ≤ 20.
- Subjects who have body surface area of atopic dermatitis involvement ≥2%, ≤ 40% (≤20% if 10% GM-XANTHO would be used).
- Subjects who agree discontinuation of all treatment modalities, such as topical antihistamines, topical antimicrobials, topical corticosteroid and light treatments during the study treatment period for/on the affected site(s) (except the rescue medication prescribed by the study investigator(s)).
- Subjects who agree discontinuation of systemic corticosteroids, systemic antihistamines, and systemic immune-modulating agents during the study treatment period (except the standard medication oral antihistamine levocetirizine and rescue medication prescribed by the study investigator(s)).
- Subjects who are required to stop using treatment drugs listed in criteria# 5 for at least 14 days (or longer if the treatment half-life requires so; 7 half-lives should have elapsed) and treatment drugs listed in criteria# 6 for 28 days before the first investigational drug dose administration.
- Subjects who are judged to be in general good health (without clinically significant abnormalities) by the Investigator based on medical history, PEs, ECG, and routine laboratory tests at screening.
- Subjects who stopped immunosuppressant drugs for at least 28 days prior to the first dosing.
- Subjects who have taken oral antihistamine of levocetirizine 5mg once daily for at least 7 days before initiating the study treatment.
- Subjects who are eligible and able to participate in the study and accept to enter the study by signing this written informed consent form.
If Subjects are male patients or female patients with child-bearing potential (between puberty and 2 years after menopause), subjects should use at least any one of the appropriate contraception methods shown below, for during and at least 4 weeks after GM-XANTHO treatment.
- Total abstinence (when this is in line with subjects preferred and usual lifestyle. Periodic abstinence (e.g., calendar, ovulation, symptothermal, post-ovulation methods) and withdrawal are not acceptable methods of contraception).
- Female sterilization (have had surgical bilateral oophorectomy with or without hysterectomy) or tubal ligation at least six weeks before taking study treatment. In the case of oophorectomy alone, subjects reproductive status should have been confirmed by follow up hormone level assessment.
- Male sterilization. Female patients' vasectomized male partner should be the sole partner.
- Combination of any two of the following listed methods: (d.1+d.2 or d.1+d.3, or d.2+d.3):
d.1 Use of oral, injected or implanted hormonal methods of contraception or other forms of hormonal contraception that have comparable efficacy (failure rate <1%), for example, hormone vaginal ring or transdermal hormone contraception.
d.2 Placement of an intrauterine device (IUD) or intrauterine system (IUS). d.3 Barrier methods of contraception: Condom or Occlusive cap (diaphragm or cervical/vault caps) with spermicidal foam/gel/film/cream/vaginal suppository.
Exclusion Criteria:
Phase I:
Subjects with the following conditions at the application site(s) that would interfere with the IP administration, skin assessment, or reaction to IPs:
- presence of open sores
- obvious differences in skin color between applications sites
- excessive hair
- scar tissue tattoo
- coloration
- Subjects with any properly diagnosed disease within 30 days prior to the first dose of the study
- Subjects with any diagnosed dermatological or allergic diseases within 180 days prior to the first study dose
- Subjects with any clinically significant hematological, endocrine, cardiovascular, hepatic, renal, gastrointestinal, and/or pulmonary disorder; subjects with any predisposing condition that might interfere with the absorption, distribution, metabolism and excretion of drugs
- Subjects had participated in investigational drug trials and took any investigational drug within 60 days prior to the first study dose.
- Subjects had blood donation for more than 250 mL within 60 days or 500 mL within 90 days prior to the first study dose.
- Subjects had a history of drug abuse or alcohol abuse according to the Diagnostic and Statistical Manual of Mental Disorders 5th edition (DSM-5) criteria.
- Subjects cannot stop smoking and caffeine-intakes for 48 hours prior to the first study dose and during the entire study period, and 48 hours after the last dose administration of IPs.
- Subjects who are inappropriate to participate in this study, as judged by the clinical Investigator
Subjects who have been tested positive for the following tests:
- Human immunodeficiency virus (HIV)
- Hepatitis B virus (HBV): HBsAg and anti-HBc
- Hepatitis C virus (HCV)
Phase IIa:
- Subjects who have participated in investigational drug trials and took any investigational drugs within 30 days or within 5 half-lives of the investigational drugs prior to the screening visit.
- Subjects who have any concurrent skin condition that will interfere with the assessment of treatment.
- Subjects who have an active infection on the atopic dermatitis site(s) at baseline.
- Subjects who are inevitable to engage in activities involving excessive or prolonged exposure to sunlight.
- Subjects who have known hypersensitivity to the study medication.
- Subjects who are with chronic condition(s) which either is not stable or not well controlled.
- Subjects who have positive results for HBV, HCV or HIV screens
- Subjects who are pregnant or breast feeding.
- Subjects who carry history of malignancy of any organ system (other than cervical carcinoma in situ or localized prostate cancer) within 5 years prior to study entry.
- Subjects who are not suitable to participate in the trial as judged by the Investigator(s).
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Test drug group
The arm applies the test drug of GM-XANTHO
|
Onitment application
Other Names:
|
Placebo Comparator: Placebo group
The arm applies the placebo
|
Onitment application
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
treatment emergent adverse events (TEAEs)
Time Frame: 7 days for Phase I
|
Number of treatment emergent adverse events (TEAEs) occurring during the Phase I
|
7 days for Phase I
|
IGA
Time Frame: 28 days for Phase IIa
|
Number of patients achieving IGA of 0 or 1 with a ≥2 point improvement in Phase IIa study
|
28 days for Phase IIa
|
Collaborators and Investigators
Sponsor
Collaborators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- XANGMXA20160505
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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