Abstract
The Indian government suspended research in April 2010 on the feasibility and safety of human papillomavirus (HPV) vaccine in two Indian states (Andhra Pradesh and Gujarat) amid public concerns about its safety. This paper describes cervical cancer and cancer surveillance in India and reviews the epidemiological claims made by the Programme for Appropriate Technology in Health (PATH) in support of the vaccine in these two states. National cancer data published by the Indian National Cancer Registry Programme of state registry returns and the International Agency for Research on Cancer cover around seven percent of the population with underrepresentation of rural, northern, eastern and north-eastern areas. There is no cancer registry in the state of Andhra Pradesh and PATH does not cite data from the Gujarat cancer registries. Age-adjusted cervical cancer mortality and incidence rates vary widely across and within states. National trends in age standardized cervical cancer incidence fell from 42.3 to 22.3 per 100,000 between 1982/1983 and 2004/2005 respectively. Incidence studies report low incidence and mortality rates in Gujarat and Andhra Pradesh. Although HPV prevalence is higher in cancer patients (93.3%) than healthy patients (7.0%) and HPV types 16 and 18 are most prevalent in cancer patients, population prevelance data are poor and studies highly variable in their findings. Current data on HPV type and cervical cancer incidence do not support PATH's claim that India has a large burden of cervical cancer or its decision to roll out the vaccine programme. In the absence of comprehensive cancer surveillance, World Health Organization criteria with respect to monitoring effectiveness of the vaccine and knowledge of disease trends cannot be fulfilled.
Highlights
Cervical cancer is estimated to cause around 274,000 deaths a year, approximately 80% of which occur in the developing world.[1]
This paper describes cervical cancer and cancer surveillance in India and reviews the epidemiological claims made by the Programme for Appropriate Technology in Health (PATH) in support of the vaccine in these two states
National cancer data published by the Indian National Cancer Registry Programme of state registry returns and the International Agency for Research on Cancer cover around seven percent of the population with underrepresentation of rural, northern, eastern and northeastern areas
Summary
Cervical cancer is estimated to cause around 274,000 deaths a year, approximately 80% of which occur in the developing world.[1]. There is no general account in the literature of cancer surveillance in India. The two main agencies involved in reporting incidence, prevalence and mortality of cervical cancer in India are the National Cancer Registry Programme (NCRP) of India and the International Agency for Research on Cancer (IARC) (Figure 1). A more comprehensive search was performed to identify agencies involved in reporting data about cervical cancer incidence, prevalence and mortality by reviewing the WHO website, the website of the government of India, and sources cited as references in articles found in the preliminary literature search below. The NCRP is a network of population-based cancer registries (PBCR) and hospital-based cancer registries (HBCR) in India, under the Indian Council of Medical Research (ICMR).[8] There are 26 PBCRs and six HBCR registered in the network.[8]
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