Navigation Links
Two Doses of HPV Vaccine May Work as Well as Three
Date:9/8/2011

THURSDAY, Sept. 8 (HealthDay News) -- Two doses of the human papillomavirus (HPV) vaccine may offer just as much protection against cervical cancer as the three-dose regimen now being used, new U.S. government research shows.

The findings stem from an analysis of data from the National Cancer Institute's Costa Rica Vaccine Trial, in which 7,466 women were enrolled, according to a news release from the Journal of the National Cancer Institute, which published the results on Thursday.

The women were either given the HPV vaccine Cervarix or a Hepatitis A vaccine. Although researchers intended to give the women receiving Cervarix the full three doses, 20 percent of them got only one dose or two doses for a variety of reasons.

After four years, the researchers found, two doses of Cervarix offered the same level of protection against HPV infection as three. Even one dose offered a high level of protection.

While the researchers said that more studies are needed to evaluate the long-term effectiveness of the fewer doses, they wrote in a journal news release: "Our clinical efficacy data provide suggestive evidence that an HPV vaccine program that provides fewer doses to more women could potentially reduce cervical cancer incidence more than a standard three-dose program that uses the same total number of doses but in fewer women."

Cervarix is one of two vaccines approved by the U.S. Food and Drug Administration to protect against the two types of HPV, 16 and 18, that are responsible for 70 percent of cervical cancer cases around the world every year.

The analysis was led by Aimee R. Kreimer, of the division of cancer epidemiology and genetics at the U.S. National Cancer Institute.

In an editorial accompanying the journal article, Cosette Marie Wheeler, of the University of New Mexico, noted, "The age-old adage of less is more may apply to HPV vaccination, and if so, the report ... represents an important step on the road to more effective and sustainable cervical cancer prevention programs."

More information

The U.S. Centers for Disease Control and Prevention provides more information on HPV vaccination.

-- HealthDay staff

SOURCE: Journal of the National Cancer Institute,, news release, Sept. 8, 2011


'/>"/>
Copyright©2010 ScoutNews,LLC.
All rights reserved  

Related medicine news :

1. ASTRO publishes supplement on protecting cancer patients by reducing radiation doses, side effects
2. Children with food allergies should carry 2 doses of emergency medicine
3. Botox reduces wrinkles even in less frequent doses
4. High doses of antioxidant supplements induce stem cell genetic abnormalities
5. Organic Clothing – Is Your Clothing Delivering Death in Small Doses?
6. Cumulative Radiation Doses Seen in Cardiac Imaging
7. High doses of ursodeoxycholic acid ineffective for NASH patients
8. Higher Statin Doses Linked to Fewer Heart Attacks, Stroke
9. Yale researchers find double doses of chicken pox vaccine most effective
10. Study confirms 2 vaccine doses protect children from chickenpox
11. Preparing Small Doses of Medication From Syringes Called Risky
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Two Doses of HPV Vaccine May Work as Well as Three
(Date:6/24/2016)... ... 24, 2016 , ... Marcy was in a crisis. Her son James, eight, was out of ... verbally and physically. , “When something upset him, he couldn’t control his emotions,” remembers Marcy. ... throw rocks at my other children and say he was going to kill them. ...
(Date:6/24/2016)... , ... June 24, 2016 , ... ... offering micro-osteoperforation for accelerated orthodontic treatment. Dr. Cheng has extensive experience with all ... brackets , AcceleDent, and accelerated osteogenic orthodontics. , Micro-osteoperforation is a revolutionary ...
(Date:6/24/2016)... ... , ... People across the U.S. are sharpening their pencils and honing their ... in which patients and their families pay tribute to a genetic counselor by nominating ... of Genetic Counselors (NSGC) Annual Education Conference (AEC) this September. , In April, ...
(Date:6/24/2016)... Las Vegas, Nevada (PRWEB) , ... June 24, ... ... their Las Vegas client, The Grove Investment Group (TGIG), has initiated cultivation and ... The Grove, in Las Vegas and Pahrump, Nevada. , Puradigm is the manufacturer ...
(Date:6/24/2016)... ... 24, 2016 , ... Venture Construction Group (VCG) sponsors Luke’s Wings ... 20th at the Woodmont Country Club at 1201 Rockville Pike, Rockville, Maryland, 20852. ... service members that have been wounded in battle and their families. Venture Construction Group ...
Breaking Medicine News(10 mins):
(Date:6/23/2016)... , June 23, 2016 Research ... MEMS Devices Medical Market Analysis 2016 - Forecast to 2022" ... The report contains up to date financial data ... analysis. Assessment of major trends with potential impact on the ... analysis of market segmentation which comprises of sub markets, regional ...
(Date:6/23/2016)... INDIANAPOLIS , June 23, 2016 If ... Leaders Scholarship is any indication, the future is in ... at www.diabetesscholars.org by the Diabetes Scholars Foundation ... the way of academic and community service excellence. ... since 2012, and continues to advocate for people with ...
(Date:6/23/2016)... -- Research and Markets has announced the ... (United States, China, Japan, Brazil, United Kingdom, Germany, France, ... Surgical Procedure Volumes: ... provides surgical procedure volume data in a geographic context. ... analysis of growth drivers and inhibitors, including world population ...
Breaking Medicine Technology: