- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03271983
Pharmacokinetics of Metronidazole Dermal Products
March 3, 2022 updated by: Audra Stinchcomb, University of Maryland, Baltimore
Evaluation of the Bioavailability of Metronidazole Dermal Products
Generate human PK data by collecting data following the application of metronidazole formulations.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
This research study is intended to develop models for in vitro/in vivo correlation (IVIVC) of drug absorption from dermal products.
This study will use metronidazole products that have already been approved by the Food and Drug Administration (FDA) and are already sold to customers in the United States; will not include any placebos.
Study Type
Interventional
Enrollment (Actual)
7
Phase
- Early Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
Maryland
-
Baltimore, Maryland, United States, 21201
- General Clinical Research Center (GCRC) at the University of Maryland Medical Center
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 45 years (Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Men or non-pregnant, women who are of any ethnic background between the age of 18 to 45 years old
- Subjects must be non-smokers/tobacco users (must have refrained from the use of nicotine-containing substances, including tobacco products (e.g., cigarettes, cigars, chewing tobacco, snuff, gum, patches or electronic cigarettes) over the previous 2 months and are not currently using tobacco products
- Provide written informed consent before initiation of any of the study procedures
- Agree not to participate in another clinical trial/study during the study period or to participate in an investigational drug study for at least 1 month after the last study session
- Able to adhere to the study protocol and study restrictions
- Able to participate in all study sessions
- Subjects have upper arms large enough to allow for placement of 200 cm2 [31 in2] area for applications of gel or cream. The arm distance from the greater tubercle to the olecranon process should be a minimum of 30 cm. The circumference of the upper arms should be a minimum of 30 cm.
- Subjects deemed to be healthy as judged by the Medically Accountable Investigator (MAI) and determined by medical history, physical examination and medication history
- Negative urine drug screening test (cannabinoids, amphetamines, barbiturates, benzodiazepine, cocaine, methadone, opiates, PCP)
- Have normal screening laboratories for white blood cells (WBC), hemoglobin (Hgb), platelets, sodium, potassium, chloride, bicarbonate, blood urea nitrogen (BUN), creatinine, alanine transaminase (ALT) and aspartate aminotransferase (AST)
- Have normal screening laboratories for urine protein and urine glucose
- Female subjects must be of non-childbearing potential (as defined as surgically sterile [i.e. history of hysterectomy or tubal ligation] or postmenopausal for more than 1 year), or if of childbearing potential must be non-pregnant at the time of enrollment and on the morning of each study session, and must agree to use reliable hormonal or barrier birth control such as implants, injectables, combined oral contraceptives, some intrauterine devices (IUDs), sexual abstinence, or a vasectomized partner
- Agrees not to donate blood to a blood bank throughout participation in the study and for at least 3 months after last study session
- Have a normal ECG; must not have the following to be acceptable: pathologic Q wave abnormalities, significant ST-T wave changes, left ventricular hypertrophy, right bundle branch block, left bundle branch block. (sinus rhythm is between 55-100 beats per minute)
Have normal vital signs:
- Temperature 35-37.9°C (95-100.3°F)
- Systolic blood pressure 90-165 mmHg
- Diastolic blood pressure 60-100 mmHg
- Heart rate 55-100 beats per minute
- Respiration rate 12-20 breaths per minute
Exclusion criteria:
- Women who are pregnant, lactating, breast feeding or have a positive serum pregnancy test at enrollment or positive urine pregnancy test on the morning of the first day of any study session
- Smokers/tobacco users (current use or use over the previous 2 months of nicotine-containing substances (e.g., cigarettes, cigars, chewing tobacco, gum, snuff, patch or electronic cigarettes)
- Current participation in any ongoing investigational drug trial/study or clinical drug trial/study
- History as either reported by the subject or evident to the investigator of infectious disease or skin infection or of chronic skin disease (e.g., psoriasis, atopic dermatitis)
- History of diabetes
- History of significant skin cancers (e.g., melanoma, squamous cell carcinoma) except basal cell carcinomas that were superficial and did not involve the investigative sites
- Body Mass Index (BMI) ≥30 kg/m2
- History of chronic obstructive pulmonary disease or cor pulmonale, or substantially decreased respiratory reserve, hypoxia, hypercapnia or pre-existing respiratory depression
- Active positive Hepatitis B, C and/or HIV test results
- Positive urine drug screening test
- Use of chronic prescription medications during the period 0 to 30 days; or over-the-counter medications (e.g. antihistamines, topical corticosteroids) and short term (<30 days) prescription medications during the period 0-3 days before a study session (vitamins, herbal supplements and birth control medications not included)
- Currently taking daily anticoagulants (warfarin, heparin, rivaroxaban, dabigatran, etc…) within the past month prior to entry into the study
- History of blood dyscrasia (abnormal in structure, function and quality)
- History of Crohn's disease
- Donation or loss of greater than one pint of blood within 60 days of entry to the study
- Any prior adverse reaction or hypersensitivity to metronidazole, parabens, other inactive ingredients in the topical gel or cream formulations
- Received an experimental agent (vaccine, drug, biologic, device, blood product or medication) within 1 month before enrollment in this study or expects to receive an experimental agent during the study
- Consumption (food or drink) of alcohol within 48 h prior to dose administration
- Any condition that would, in the opinion of the Medically Accountable Investigator (MAI), place the subject at an unacceptable risk of injury or render the subject unable to meet the requirements of the protocol
- Subject has an obvious difference in skin color between arms or the presence of a skin condition, excessive hair at the application site (upper arms), sunburn, raised moles or scars, open sores at application site (upper arms), scar tissue, tattoo, or coloration that would interfere with placement of metronidazole products, skin assessment, or reactions to metronidazole
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Non-Randomized
- Interventional Model: Crossover Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: metronidazole gel 1
RLD gel
|
RLD gel
Other Names:
|
Other: metronidazole gel 2
generic gel
|
generic gel
Other Names:
|
Other: metronidazole cream
generic cream
|
generic cream
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
PK Parameters
Time Frame: 3 study sessions/subject; each session was 25 h; blood samples obtained at the following time points: -60 min, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 23, 24, 25 h; at least one week washout period between each study session
|
Area under the concentration-time curve from 0 to 25 h
|
3 study sessions/subject; each session was 25 h; blood samples obtained at the following time points: -60 min, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 23, 24, 25 h; at least one week washout period between each study session
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Collaborators
Investigators
- Principal Investigator: Audra L Stinchcomb, PhD, University of Maryland, Baltimore School of Pharmacy
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
April 9, 2019
Primary Completion (Actual)
October 31, 2019
Study Completion (Actual)
November 3, 2019
Study Registration Dates
First Submitted
August 29, 2017
First Submitted That Met QC Criteria
August 31, 2017
First Posted (Actual)
September 5, 2017
Study Record Updates
Last Update Posted (Actual)
May 17, 2022
Last Update Submitted That Met QC Criteria
March 3, 2022
Last Verified
March 1, 2022
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- HP-00071790
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
No
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
product manufactured in and exported from the U.S.
No
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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