Treatment of cervical precancer: Past, present, and …...Treatment of cervical precancer: Past,...
Transcript of Treatment of cervical precancer: Past, present, and …...Treatment of cervical precancer: Past,...
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Treatment of cervical precancer: Past, present, and future
Experiences with CryoPen and thermal coagulation
Track 1 – Stemming the Tide: Innovations in Prevention and Screening Session code: 105M-T1
Disclosure of Interest: None to disclose. Abstract previously published: No.
Jose Jeronimo, MD
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Background on PATH’s work: Innovative screening tests and preventive treatment
J Jeronimo, Experiences with CryoPen and thermal coagulation
careHPV™ test OncoE6™
Cervical Test (strip test)
Test performance in
real-world conditions
New devices for treatment
Photos (clockwise from top left): QIAGEN; PATH/Rose Slavkovsky; PATH/Patrick McKern; PATH/Jose Jeronimo
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Timeline development of CryoPen® Surgical System
2012 2013 2014 2015 2016
Demonstration of CryoPen device at PATH Seattle offices.
PATH carries out bench testing of CryoPen device.
PATH provides technical assistance for development of first prototype for low- and middle-income countries (LMIC).
Cryo
Pen,
Inc.
PATH
/Jer
ed S
ingl
eton
CryoPen is a registered trademark of CryoPen, Inc. J Jeronimo, Experiences with CryoPen and thermal coagulation
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CryoPen
J Jeronimo, Experiences with CryoPen and thermal coagulation
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Timeline development of CryoPen Surgical System
2012 2013 2014 2015 2016
Demonstration of CryoPen device at PATH Seattle offices.
PATH carries out bench testing of CryoPen device.
CryoPen, Inc. delivers first prototype for LMIC to PATH for evaluation.
PATH provides technical assistance for development of first prototype for LMIC.
Cryo
Pen,
Inc.
PATH
/Jer
ed S
ingl
eton
PATH
/Ros
e Sl
avko
vsky
J Jeronimo, Experiences with CryoPen and thermal coagulation
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CryoPen
PATH
/Pat
rick
McK
ern
J Jeronimo, Experiences with CryoPen and thermal coagulation
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CryoPen: Characteristics
• Portable
– Weight approx. 16 pounds (7.25 kg)
• Requires electricity
– 1 hour for reaching optimal temperature
• Price approx. US$4,000 (manufacturer)
J Jeronimo, Experiences with CryoPen and thermal coagulation
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Timeline development of CryoPen Surgical System
2012 2013 2014 2015 2016
Demonstration of CryoPen device at PATH Seattle offices.
PATH carries out bench testing of CryoPen device.
CryoPen, Inc. delivers first prototype for LMIC to PATH for evaluation.
BHI receives NIH grant to complete development of unit for LMIC. PATH is a project advisor.
CryoPen, Inc. completes updated prototype for LMIC.
PATH provides technical assistance for development of first prototype for LMIC.
PATH carries out field testing in Uganda. Need for further modifications.
Cryo
Pen,
Inc.
PATH
/Jer
ed S
ingl
eton
PATH
/Ros
e Sl
avko
vsky
PATH
/Ros
e Sl
avko
vsky
J Jeronimo, Experiences with CryoPen and thermal coagulation
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CryoPen: Testing in Uganda
Photos: PATH/Jose Jeronimo J Jeronimo, Experiences with CryoPen and thermal coagulation
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2012 2013 2014 2015 2016
Demonstration of CryoPen device at PATH Seattle offices.
PATH carries out bench testing of CryoPen device.
CryoPen, Inc. delivers first prototype for LMIC to PATH for evaluation.
BHI receives NIH grant to complete development of unit for LMIC. PATH is a project advisor.
CryoPen, Inc. completes updated prototype for LMIC.
PATH provides technical assistance for development of first prototype for LMIC.
PATH carries out field testing in Uganda. Need for further modifications.
PATH and CryoPen evaluate improved unit in Peru, March 2016.
Cryo
Pen,
Inc.
PATH
/Jer
ed S
ingl
eton
PATH
/Ros
e Sl
avko
vsky
PATH
/Ros
e Sl
avko
vsky
Timeline development of CryoPen Surgical System
J Jeronimo, Experiences with CryoPen and thermal coagulation
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CryoPen: Improved handheld unit
Photos: PATH/Jose Jeronimo J Jeronimo, Experiences with CryoPen and thermal coagulation
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2012 2013 2014 2015 2016
Demonstration of CryoPen device at PATH Seattle offices.
PATH carries out bench testing of CryoPen device.
CryoPen, Inc. delivers first prototype for LMIC to PATH for evaluation.
BHI receives NIH grant to complete development of unit for LMIC. PATH is a project advisor.
CryoPen, Inc. completes updated prototype for LMIC.
PATH provides technical assistance for development of first prototype for LMIC.
PATH carries out field testing in Uganda. Need for further modifications.
PATH and CryoPen evaluate improved unit. Peru March 2016.
Cryo
Pen,
Inc.
PATH
/Jer
ed S
ingl
eton
PATH
/Ros
e Sl
avko
vsky
PATH
/Ros
e Sl
avko
vsky
Final version of CryoPen ready for commercialization.
Timeline development of CryoPen Surgical System
J Jeronimo, Experiences with CryoPen and thermal coagulation
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CryoPen: Current status
• FDA approved
• Ready for manufacturing and commercialization
– Requires funding for expanding manufacturing capacity
• Price approx. $4,000 (manufacturer)
J Jeronimo, Experiences with CryoPen and thermal coagulation
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Thermal coagulator*
• Tip heated to 120⁰ Celsius • Requires electricity • 40-second applications
*Formerly known as “cold-coagulator”
Wisap Medical Technology GmbH
J Jeronimo, Experiences with CryoPen and thermal coagulation
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Cure rates using thermal coagulator Efficacy of thermal coagulation
Authors/Location Year Number treated Efficacy
Hussein/Scotland 1985 CIN2: 21 CIN3: 33
CIN2: 95% @ 4 mo. CIN3: 85% @ 4 mo.
Singh/Singapore 1988 CIN 2/3: 47 84%
Gordon & Duncan/Scotland 1991 CIN 3: 1628 95% @ 1 yr. 92% @ 5 yrs.
Williams/England 1993 CIN2/3: 125 96.5%
Zawislak/N Ireland 2003 725 (all grades CIN) 87%
J Jeronimo, Experiences with CryoPen and thermal coagulation
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Timeline development: Liger Medical Thermocoagulator
2014 2015 2016
Liger Medical, LLC and PATH meet to discuss the potential to develop a battery-powered thermal coagulator.
Liger completes first prototype of a battery-powered thermal coagulator and meets with PATH in Seattle.
Liger Medical develops battery-powered thermal coagulator prototype.
PATH/Rose Slavkovsky
J Jeronimo, Experiences with CryoPen and thermal coagulation
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Expectations for the new Thermocoagulator • Battery-powered • Approx. 30 treatments • Charges in approx. 5 hours • Lights above handle to indicate
treatment start and finish • Timer • Cost could decrease to $1,000
PATH/Jose Jeronimo
J Jeronimo, Experiences with CryoPen and thermal coagulation
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Timeline development: Liger Medical Thermocoagulator
2014 2015 2016
Liger Medical, LLC and PATH meet to discuss the potential to develop a battery-powered thermal coagulator.
Liger completes first prototype of a battery-powered thermal coagulator or and meets with PATH in Seattle.
PATH meets with Liger Medical in Salt Lake City to further develop prototype.
Liger Medical completes development of updated prototype.
Evaluations by PATH of updated prototype in Malawi, Peru, and Uganda.
Liger Medical develops battery-powered thermal coagulator prototype.
PATH/Rose Slavkovsky
PATH/Patrick McKern
Liger Medical modifies prototype based on feedback from PATH.
Liger further modifies prototype based on feedback from PATH.
Final device completed.
PATH/Patrick McKern
J Jeronimo, Experiences with CryoPen and thermal coagulation
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Final Thermocoagulator • Battery-powered unit • > 30 treatments • Charges in approx. 5 hours • Light and sound indicators
above handle • Timer PATH/Patrick M
cKern
J Jeronimo, Experiences with CryoPen and thermal coagulation
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Final Thermocoagulator • Electronic temperature stabilizer • LED lights to illuminate the cervix • Probes resistant to autoclave, CIDEX,
and Chlorine • FDA approval • Price approx. $1,000 (manufacturer)
PATH/Patrick McKern
J Jeronimo, Experiences with CryoPen and thermal coagulation
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Final notes • Non-gas treatment devices are
available • Introduction expected by end
of 2016 • Education of providers is
required
PATH/Will Boase
J Jeronimo, Experiences with CryoPen and thermal coagulation
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Thank You Jose Jeronimo, MD [email protected] www.path.org