- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00755898
Urinary Excretion of Acetylamantadine by Cancer Patients
November 27, 2023 updated by: DanielSitar, University of Manitoba
The investigators have determined that the drug amantadine hydrochloride is metabolized by acetylation by a specific enzyme named spermidine/spermine N-acetyltransferase (SSAT).
This enzyme is increased in cancer cells.
The investigators hypothesized that the amount of N-acetylamantadine excreted in urine during the first 12 hours after an oral dose would serve as a diagnostic biomarker for the presence of cancer in a human test subject.
Study Overview
Status
Completed
Conditions
Detailed Description
When patients present to their physician with symptoms of cancer at a later stage of development, survival tends to be poorer.
Earlier diagnosis of cancer is expected to provide improved survival of patients due to earlier treatment intervention.
However, implementation of this screening process is impaired by access and by cost.
A simple and inexpensive test would serve as a screening tool that could be safely repeated at regular intervals to identify persons for whom more expensive and less accessible diagnostic investigations might become more appropriately directed.
The specificity for an enzyme that increases markedly in cancer tissue, and the ease of administration of an already licensed pharmaceutical prescription product, amantadine hydrochloride, would appear to provide promise of such a desirable screening test.
Study Type
Interventional
Enrollment (Actual)
150
Phase
- Phase 2
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
-
-
Manitoba
-
Winnipeg, Manitoba, Canada, R3E 0W3
- University of Manitoba
-
-
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 and older (Adult, Older Adult)
Accepts Healthy Volunteers
Yes
Description
Inclusion Criteria:
- Either a medical diagnosis of cancer, or determination of general good health after a medical check-up within two weeks of participation in the study
Exclusion Criteria:
- Allergy to amantadine hydrochloride
- Chronic liver or kidney disease
- Chronic disease state not controlled by drug therapy, e.g. hypertension
- Pregnancy
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: Diagnostic
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: 1
Patients with a medical diagnosis of cancer appearing at outpatient clinics for treatment and/or monitoring of their disease status
|
Volunteer cancer patients ingest 2 x 100 mg tablets of amantadine hydrochloride with a glass of cold water 2 hours after supper.
Healthy subject ingests 2 x 100 mg tablets of amantadine hydrochloride with a glass of cold water 2 hours after supper
|
Active Comparator: 2
Healthy adult volunteers
|
Volunteer cancer patients ingest 2 x 100 mg tablets of amantadine hydrochloride with a glass of cold water 2 hours after supper.
Healthy subject ingests 2 x 100 mg tablets of amantadine hydrochloride with a glass of cold water 2 hours after supper
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Amount of N-acetylamantadine excreted in a 12 hour urine sample collected after a single oral dose of amantadine hydrochloride ingested two hours after supper
Time Frame: 12 hours
|
12 hours
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Daniel S Sitar, PhD, University of Manitoba
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Bras AP, Janne J, Porter CW, Sitar DS. Spermidine/spermine n(1)-acetyltransferase catalyzes amantadine acetylation. Drug Metab Dispos. 2001 May;29(5):676-80.
- Bras AP, Hoff HR, Aoki FY, Sitar DS. Amantadine acetylation may be effected by acetyltransferases other than NAT1 or NAT2. Can J Physiol Pharmacol. 1998 Jul-Aug;76(7-8):701-6. doi: 10.1139/cjpp-76-7-8-701.
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
December 1, 2003
Primary Completion (Actual)
June 1, 2008
Study Completion (Actual)
July 1, 2008
Study Registration Dates
First Submitted
September 18, 2008
First Submitted That Met QC Criteria
September 18, 2008
First Posted (Estimated)
September 19, 2008
Study Record Updates
Last Update Posted (Actual)
November 30, 2023
Last Update Submitted That Met QC Criteria
November 27, 2023
Last Verified
November 1, 2023
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Peripheral Nervous System Agents
- Antiviral Agents
- Analgesics
- Sensory System Agents
- Analgesics, Non-Narcotic
- Dopamine Agents
- Antiparkinson Agents
- Anti-Dyskinesia Agents
- Amantadine
Other Study ID Numbers
- B2003:089
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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