Evaluation of Bioavailability of Diclofenac Dermal Products
1 other identifier
interventional
12
1 country
1
Brief Summary
The study will utilize already FDA-approved marketed diclofenac products in healthy adults to generate data for establishing rate of drug delivery comparisons between diclofenac epolamine patches and diclofenac sodium solution in healthy adults and to determine skin concentrations.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for early_phase_1
Started Apr 2017
Typical duration for early_phase_1
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
April 19, 2017
CompletedFirst Submitted
Initial submission to the registry
May 1, 2017
CompletedFirst Posted
Study publicly available on registry
May 9, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 29, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
May 15, 2020
CompletedResults Posted
Study results publicly available
June 16, 2020
CompletedJune 30, 2020
June 1, 2020
2.4 years
May 1, 2017
May 18, 2020
June 16, 2020
Conditions
Outcome Measures
Primary Outcomes (1)
Serum Diclofenac Concentrations
Study Session 1: within 60 min prior to dosing, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 24, 27, 30, 32, 51 h Study Session 2: within 60 min prior to dosing, 1, 2, 3, 4, 5, 6, 7, 23, 26, 29, 31, 47 h Study Session 3: no blood samples obtained
blood samples obtained over 51 hour time period for study session 1 and over 47 hour time period for study session 2; through study completion
Study Arms (3)
Diclofenac patch
OTHERStudy Session 1: diclofenac epolamine patches (PK) \[51 h study duration\]
Diclofenac solution
OTHERStudy Session 2: diclofenac sodium solution (PK) \[47 h study duration\]
Diclofenac patch and solution
OTHERStudy Session 3: diclofenac epolamine patch pieces and diclofenac sodium solution (no PK, for skin tape stripping) \[51 h study duration\]
Interventions
patch
solution
Eligibility Criteria
You may qualify if:
- 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 (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
- Has a volar forearm of either at least 24 cm (9.45 inches) in length or of sufficient size that can accommodate the products to be tested in a study area that begins at least 5 cm (1.97 inches) above the wrist and ends a minimum of 0.5 cm (0.197 inches) below the antecubital fossa (i.e., the bend in the arm at the elbow).
- Subjects have upper arms large enough to allow for placement of two 140 cm2 \[21.7 in2\] patches (distance from acromion process of the scapula to olecranon process should be a minimum of 35 cm \[13.8 inches\]; circumference of upper arms should be a minimum of 28 cm \[11.02 inches\] and 200 cm2 \[31 in2\] area for application of solution
- 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 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)
- +6 more criteria
You may not qualify if:
- 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 each study session
- Smokers (current use or use over the previous 2 months of nicotine-containing substances, including tobacco products (e.g., cigarettes, cigars, chewing tobacco, snuff, gum, patch or electronic cigarettes)
- Participation in any ongoing investigational drug trial/study or clinical drug trial/study
- History as either reported by the subject or evident to the Medically Accountable Investigator (MAI) 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 serologies
- Positive urine drug screening test
- Use of chronic prescription medications during the period 0 to 30 days; or over-the-counter medication (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 oral nonsteroidal anti-inflammatory drug \[NSAIDs\] (aspirin, ibuprofen, naproxen, etc…)
- Currently taking daily anticoagulants or within the past month prior to entry into the study (warfarin, heparin, rivaroxaban, dabigatran, etc…), ACE-inhibitors, cyclosporine, diuretics, lithium or methotrexate
- 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 diclofenac, aspirin, ibuprofen, naproxen or other nonsteroidal anti-inflammatory drug (NSAID), other inactive ingredients in the patch or topical solution or to adhesives or tapes used to cover or tape strip the treatment sites
- +6 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
General Clinical Research Center (GCRC) at the University of Maryland Medical Center
Baltimore, Maryland, 21201, United States
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- Dr. Audra Stinchcomb
- Organization
- University of Maryland, Baltimore School of Pharmacy
Study Officials
- PRINCIPAL INVESTIGATOR
Audra L Stinchcomb, PhD
University of Maryland Baltimore School of Pharmacy
- PRINCIPAL INVESTIGATOR
Hazem E Hassan, PhD
University of Maryland Baltimore School of Pharmacy
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- early phase 1
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- OTHER
- Intervention Model
- CROSSOVER
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor
Study Record Dates
First Submitted
May 1, 2017
First Posted
May 9, 2017
Study Start
April 19, 2017
Primary Completion
August 29, 2019
Study Completion
May 15, 2020
Last Updated
June 30, 2020
Results First Posted
June 16, 2020
Record last verified: 2020-06
Data Sharing
- IPD Sharing
- Will not share