- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01844102
Safety and Acceptability of the PrePex™ Device for Male Circumcision in Zambia
Evaluation of the Safety and Acceptability of the PrePex™ Device for Male Circumcision in Zambia
Study Overview
Detailed Description
The World Health Organization, the Joint United Nations Programme on HIV/AIDS (UNAIDS), and other global reproductive health organizations have recognized the protective effect of male circumcision in HIV acquisition. Male Circumcision(MC) is one of the few biomedical methods to demonstrate consistent effectiveness as an HIV prevention intervention in randomized controlled trials (WHO and UNAIDS, 2007): three randomized controlled trials (RCTs) in Kenya, Uganda, and South Africa reported a protective effect up to 60% of circumcision against HIV infection. Subsequent studies have confirmed the value and persistence of MC's protection against HIV infection and have demonstrated that MC also reduces the acquisition and transmission of human papillomavirus.
A wide variety of instruments, devices, and techniques are used around the world for male circumcision. In 2008, WHO, UNAIDS and JHPIEGO released a draft document entitled Manual for Male Circumcision under Local Anesthesia, which includes step-by-step instructions for performing adult male circumcision using three different surgical procedures: the forceps-guided, dorsal slit, and sleeve resection methods. Procedure times for these techniques are approximately 20-30 minutes excluding anesthesia, involve control of bleeding and considerable suturing, and can be associated with a variety of complications.
Demand for MC, even in non-circumcising communities, is substantial when offered at no cost in a safe setting (WHO and UNAIDS, 2007). In most African settings, only surgical circumcision is available for most adults.
This is a prospective observational study of the PrePex device, which will be conducted with the aim of ascertaining moderate and severe adverse events. This study will be conducted within the context of routine service delivery in Lusaka, Zambia to identify potential issues that must be addressed as MC services are scaled up. PrePex circumcision procedures will be offered as part of the minimum package of HIV prevention services recommended by the Zambian Ministry of Health (MOH), including HIV testing and counseling, provision of Sexually Transmitted infection (STI) syndromic treatment, provision and promotion of condoms, and counseling on risk-reduction and safer sex. This study will be conducted in collaboration with the Zambia MOH and will follow recommendations for introductory study of devices as laid out in the WHO's Framework for Evaluation of Circumcision Devices.
This study is a prospective study of adult male circumcision procedures conducted with the PrePex MC device at two sites in Lusaka, Zambia. The investigators will enroll a total of 500 men aged 18 to 49 who are seeking voluntary medical male circumcision. The first 50 men will undergo intensive follow-up with six scheduled visits, while the remaining 450 men will be scheduled for two follow-up visits at 7 and 42 days after PrePex placement.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
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Lusaka, Zambia
- Society for Family Health
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Must be aged 18 to 49 years;
- Must be uncircumcised (on examination);
- Must be in good general health;
- Must agree to voluntary counseling and testing for HIV, or have documentation of testing no more than one week before the MC visit;
- Must be HIV-uninfected;
- Must be free of genital ulcerations or other visible signs of STI (on examination);
- Must be able to understand study procedures and the requirements of study participation;
- Must agree to return to the healthcare facility for the full schedule of follow-up visits after his circumcision or be willing to receive a home visit;
- Must freely consent to participate in the study and sign a written informed consent form;
- Must have a cell phone or access to a cell phone; and,
- Must agree to provide the study staff with an address, phone number, or other locator information while participating in the research study.
Exclusion Criteria:
- Penis does not fit any of the five PrePex sizes;
- Takes a medication that would be a contraindication for elective surgery, such as an anticoagulant or steroid;
- Has known bleeding/clotting disorder (e.g. hemophilia);
- Has an active genital infection, anatomic abnormality (e.g. phimosis or hypospadias) or other disease or condition (e.g. extreme obesity, poorly controlled diabetes, sickle cell anemia, AIDS-like signs or symptoms) which in the investigator's opinion contraindicates MC or participation in the study; and,
- Is participating in another longitudinal biomedical research study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: PrePex
PrePex circumcision procedures will be offered as part of the minimum package of HIV prevention services recommended by the Zambian Ministry of Health (MOH)
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PrePex is a sterile device for adult male circumcision, consisting of an inner ring, elastic ring, placement ring, and verification thread.
Proper sizing is facilitated by a sizing accessory.
The elastic ring is loaded on to the placement ring, which is then placed at the base of the penis.
The inner ring is placed inside the foreskin.
The elastic ring is then deployed around the foreskin, clamping the foreskin against the inner ring.
PrePex is manufactured by Circ MedTech Limited, is certified CE - Class IIa in the European Union, and has been approved by the U.S. Food and Drug Administration.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Adverse Events
Time Frame: 42 days
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The incidence of moderate and severe adverse events (AEs) associated with PrePex procedures, including both procedural and post-procedure events, and all device-related incidents such as dislodgment.
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42 days
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Acceptability of PrePex procedures among male circumcision providers
Time Frame: 42 days
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MC provider questionnaires assessing ease and duration of procedures, problems encountered during procedures and post-procedure care, and opinions of PrePex compared to the forceps-guided method or other circumcision methods with which the providers are familiar
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42 days
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Proportion of men ineligible for circumcision with PrePex
Time Frame: 42 days
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Proportion of men presenting for MC who are excluded due to tight foreskin, frank phimosis or other criteria
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42 days
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Follow-up outcomes
Time Frame: 42 days
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Proportion of men who do not return at 7 days and require active follow-up, as well as outcomes among men who do not return for scheduled removal and efforts required for active follow-up
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42 days
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Costs of PrePex training and service delivery
Time Frame: 42 days
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Costs of training and service delivery including human resources (number and cadre of operators required), and materials and supplies
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42 days
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Acceptability of PrePex procedures among Zambian clients
Time Frame: 42 days
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Quality of life and satisfaction questionnaires
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42 days
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Karin Hatzold, MD, Ph.D., Population Services International
- Principal Investigator: Paul Hewett, Ph.D., Population Council
- Principal Investigator: Namwinga Chintu, MBChB, Society for Family Health
- Principal Investigator: Bruce Bvulani, MBChB, MMed, Ministry of Health, Zambia
Publications and helpful links
General Publications
- Bitega JP, Ngeruka ML, Hategekimana T, Asiimwe A, Binagwaho A. Safety and efficacy of the PrePex device for rapid scale-up of male circumcision for HIV prevention in resource-limited settings. J Acquir Immune Defic Syndr. 2011 Dec 15;58(5):e127-34. doi: 10.1097/QAI.0b013e3182354e65.
- Mutabazi V, Kaplan SA, Rwamasirabo E, Bitega JP, Ngeruka ML, Savio D, Karema C, Binagwaho A. HIV prevention: male circumcision comparison between a nonsurgical device to a surgical technique in resource-limited settings: a prospective, randomized, nonmasked trial. J Acquir Immune Defic Syndr. 2012 Sep 1;61(1):49-55. doi: 10.1097/QAI.0b013e3182631d69.
Helpful Links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- 416416
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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