Dose Response to Topical Glyceryl Trinitrate in Patients With Raynaud's Phenomenon
A Phase I Trial of the Pharmacodynamic Dose Response to Topical Trinitrate in Patients With Raynaud's Phenomenon
1 other identifier
interventional
10
1 country
1
Brief Summary
The purpose of this study is to evaluate the blood flow response to topical Glyceryl Trinitrate when applied to the skin of patient's fingers with Raynaud's Phenomenon.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_1
Started Jun 2008
Shorter than P25 for 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
June 1, 2008
CompletedFirst Submitted
Initial submission to the registry
June 13, 2008
CompletedFirst Posted
Study publicly available on registry
June 18, 2008
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 1, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
November 1, 2008
CompletedDecember 30, 2008
December 1, 2008
5 months
June 13, 2008
December 29, 2008
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Investigate vascular responses to topical Glyceryl Trinitrate versus placebo in patients with Raynaud's using laser Doppler imaging to measure blood flow
6 visits no less than 10 hours between visits
Secondary Outcomes (2)
Evaluate the dose proportionality of the microvascular response to topical Glyceryl Trinitrate
6 visits no less than 10 hours between visits
Compare the systemic versus topical effect of Glyceryl Trinitrate on vascular response.
6 visits no less than 10 hours between visits
Study Arms (5)
1.
PLACEBO COMPARATORplacebo cream applied to 2 adjacent fingers on non-dominant hand one time
2
ACTIVE COMPARATOR0.6mg of Glyceryl Trinitrate topically to 2 adjacent fingers of non-dominant hand
3
ACTIVE COMPARATOR1.2mg of Glyceryl Trinitrate topically to 2 adjacent fingers of non-dominant hand one time
4
ACTIVE COMPARATOR1.8mg Glyceryl Trinitrate topically to 2 adjacent fingers on non-dominant hand one time
5
ACTIVE COMPARATOR2.4 mg Glyceryl Trinitrate topically to 2 adjacent fingers of non-dominant hand one time
Interventions
0.6mg of Glyceryl Trinitrate applied to 2 adjacent fingers on non-dominant hand one time
Eligibility Criteria
You may qualify if:
- Male and female volunteers aged between 18 and 50 inclusive
- Subject has idiopathic RP (patient may have undifferentiated connective tissue disease with positive ANA) diagnosed for more than two (2) years
- If a female, subject must be non-pregnant and non-lactating
- The subject has provided written informed consent prior to admission to this study
You may not qualify if:
- History of clinically relevant medical illnesses (not considering RP) that in the Investigator's opinion may jeopardize subject's safety or interfere with participation in the study, including but not limited to hemoglobinopathy, hemophilia, clinically significant retinal abnormalities, unstable hypertension, liver diseases, chronic pulmonary diseases, significant cardiovascular diseases, diabetes, thyroid diseases, gout, psychiatric or psychological disorders, CNS trauma or active seizure disorders, allergic or immunologically mediated disorders
- History in the past five (5) years of drug or alcohol abuse
- History in the past five (5) years of vascular migraine or other chronic severe headache
- History in the past five (5) years of autonomic neuropathy or postural hypotension
- Unwilling or unable to comply with the restrictions outlined in the protocol
- Current use of smoking cessation treatment, including nicotine patches
- History of drug allergies, anaphylaxis or laryngeal oedema, including allergy to GTN, propylene/ethylene glycol or common moisturizing creams
- Use of any nitrate medication or any phosphodiesterase inhibitor within three (3) days prior to or intended use one (1) day following each dosing with study drug
- Currently treated for hypertension
- Currently receiving treatment for prevention and/or treatment of RP
- Use of any investigational medication within 30 days prior to dosing with study medication or scheduled to receive an investigational drug other than during the course of this study
- Open skin lesions or pathological condition (including, but not limited to, infection) in the area where the study medication is to be applied
- Use of topical corticosteroid to the hand or fingers within 10 days of treatment with study drug
- Withdrawal of consent at any time during the study
- Any condition, which compromises ability to give informed consent or to communicate with the investigator as required for the completion of this study
- +1 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University of Iowa-Institute for Clinical and Translational Science
Iowa City, Iowa, 52242, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
Study Record Dates
First Submitted
June 13, 2008
First Posted
June 18, 2008
Study Start
June 1, 2008
Primary Completion
November 1, 2008
Study Completion
November 1, 2008
Last Updated
December 30, 2008
Record last verified: 2008-12