Cervical Cancer Self-Testing Emerges as a New Frontier in At-Home Diagnostics: Over 30 HPV Test Kits Analyzed

“HPV“Is self-testing really a scam targeting the gullible?” Most women, harboring such skepticism, repeatedly purchase the currently trendingHPVSelf-test product.

In fact, in an era of growing self-awareness, few women seem able to resist a product that balances both health and privacy. The pastHPVVaccines are no exception; the currentHPVThe same applies to viral self-testing.

On the Xiaohongshu platform, withHPVTens of thousands of self-testing-related notes cover various aspects, including the selection of test reagents, proper testing procedures, and responses to different test results. Of course, the most watched and controversial issue remains the accuracy of test reagents. But this does not preventHPVSales of self-testing products have taken off rapidly amid performance uncertainties. According to JD Health data,2023YearHPVYear-on-year growth in orders for at-home self-testing kits by subtype exceeded58%，HPVTesting has become one of the hottest sectors in the at-home self-testing market.

As the second leading cause of death among women, cervical cancer is characterized by a highly clear etiology. Studies have shown that nearly100%cervical cancer caused by human papillomavirus (HPV) caused by infection.

For many women, the first encounterHPVViruses, as friends around me are scrambling to get vaccinatedHPVAmidst the clamor over vaccines. InHPVVaccination during the initial years when vaccines first gained widespread popularityHPVIn the perception of some women, vaccines have become synonymous with cervical cancer prevention. Many of them even travel abroad to receive this vaccine, which is said to prevent cervical cancer. With importedHPVVaccines were introduced into China, providing more women with convenient vaccination options. In the short term, the supply-demand gap for this vaccine reached its peak. It became extremely difficult to secure a dose.HPVVaccines require a waiting period of over a year for inoculation, or one must pay several times the actual cost of the vaccine to access vaccination services.HPVVaccine Green Channel. For a time,HPVVaccines, a category of serious medical products, have become a phenomenal consumer blockbuster.

Later,HPVVaccines Quickly Lose Momentum After Initial Surge, with the Largest ImporterHPVMerck & Co., a vaccine manufacturer, has even indefinitely suspended supplies to the Chinese market, which is quite surprising. ButHPVThe ripple effects of vaccines are only just beginning to emerge.

HPVThe popularity of vaccination, in addition to popularizing scientific knowledge about cervical cancer, more importantly, has led more women to proactively engageHPVTesting.Nowadays, it has been recognized that inHPVThere is a complex, nonlinear relationship between viruses and cervical cancer. To safeguard your cervical health, in addition to vaccination, it is also essential to masterHPVViral Infection Status. InHPVBefore vaccination, it is necessary to first rule out the possibility of existing cervical cancer, which involvesHPVViral Testing.

In women, the reproductive tractHPVInfections are relatively common, onlyHPVOnly persistent infection can progress to cervical cancer. InHPVPrior to vaccination, if infection is confirmed16Type or18TypeHPVVirus, requiring endoscopy to rule out cervical cancer. InHPVPrior to the widespread adoption of vaccination, cervical cancer screening had already established a comprehensive methodology, namely through the aforementionedHPVTesting, Liquid-Based Thin-Layer Cytology Testing (TCTscreening) and colposcopy, to accurately identify early-stage cervical cancer or precancerous lesions.

However, although most health checkup packages designed specifically for women includeHPVDetection andTCTScreening. However, traditional cervical cancer screening methods have not been widely adopted, as they often result in poor physical and psychological experiences for women. It is generally recommended that30Age Reached65-year-old female,Every5Once a yearTCTandHPVCombined Screening，or every3once a year as a standaloneTCTScreening。However, currently, in China35-64-year-old female'sHPVThe screening rate is only36.8%。

HPVThe Pandemic of Vaccination Has Brought About Women's ParticipationHPVThe shift from passive to active testing. The resulting incremental demand for cervical cancer screening has driven the development and sales of more user-friendlyHPVThe Surge in Self-Testing and Self-Sampling Products.

Search on a certain e-commerce platformHPVA search for self-test kits yields hundreds of related products from various brands, including major players such as Wondfo Biotech and Yuwell Medical. Individual items are priced anywhere from tens to hundreds of yuan, with some top-selling products showing tens of thousands of purchases.

Top-Selling HPV Self-Test Kits on a Major E-Commerce Platform | Data Source: Compiled by VCBeat from Public Information

Among them, the most common and best-selling is urine samples.HPVViral Staining Test Strips.This type of test strip is priced at approximately20Yuan ~ approx.40between yuan, the usage method is similar to an early pregnancy test stick. Take fresh urine and drip it onto the test strip, let it sit for a period of time, observe the color in the testing area, and compare it with the color chart to determine the result.

Urine SampleHPVThe basic principle of viral staining test strips is the antigen-antibody reaction. When a urine sample is mixed with the test strip, the antibodies in the reagent can specifically bind to those in the urine.HPVviral antigens, thereby forming antigen-antibody complexes. These complexes can be further detected using specific chromogenic agents to determine the presence ofHPVInfection. Partial urine samplesHPVViral detection test strips utilize chemical colorimetric reactions to enhance signals. For example, in urineHPVViral infection can lead to cytopathic effects, releasing metabolites such as free sulfhydryl groups, which interact with2-It reacts with color-developing reagents such as nitrobenzoic acid to generate colored products.

However, based on user feedback, many urineHPVQuestionable Accuracy of Viral Staining Test Strips. On the Xiaohongshu platform, numerous bloggers have tested urine samples using various brands.HPVAfter using the viral staining test strips, I shared my experiences of repeatedly obtaining false-positive results.

In fact, most urine samplesHPVViral Staining Test Strips Are OnlyIClass II medical devices are subject only to filing requirements and do not undergo rigorous clinical validation prior to market launch. Some brands disclose the limitations of their products as adjunctive screening tools in their instructions for use. Typically, for urine samplesHPVFor negative results from viral staining test strips, re-examination every six months is recommended; for weakly positive results, monthly re-examination is advised, representing a significantly higher testing frequency than traditional cervical cancer screening.

Relatively speaking, based on vaginal samplesHPVSelf-sampling diagnostic products are priced relatively high and offer slightly less operational convenience, but their accuracy is relatively assured.2024Year5Month,FDAApproved.The world’s first self-sampling kit developed by Roche for women to collect vaginal samples. With this self-sampling kit, users can collect their own vaginal samples and send them to designated laboratories, whichUsing Roche's cobas^®molecular instruments for analysis,14High-RiskTypeHPVViral Typing Assay.

In China, mainstream third-party medical testing centers such as Dian Diagnostics, Hybribio, ZJ Bio-Tech, and BGI Genomics,IVDCompanies are actively positioning themselves in the sector.HPVSelf-sampling test-related products.On e-commerce platforms, such testing products are priced from over 100 yuan to several hundred yuan. Due to their relatively small sales volume, they are often hidden within urine sampleHPVAfter the viral staining test strip.

Zhejiang Zhijiang Biotech's Weicai is the earliest in ChinaHPVOne of the self-sampling products, capable of achieving15Common TypesHPVViral Genotyping. Unlike Urine SamplesHPVViral Staining Test Strips Often10minutes ~15minutes to display the test results, micro-sampling and most of those currently on the marketHPVFor self-sampling products, the sample collection and testing processes are separate; typically, laboratories will, upon receiving samples mailed by consumers,3~5reports will be issued within working days. Interestingly, at the time of its market launch, Weicai introduced a vending machine model, allowing users to conveniently make purchases in medical settings such as centers for disease control and prevention, maternal and child health hospitals, and clinics.HPVSelf-sampling kit.

Since then, leading companies such as BGI Genomics and HybribioIVDThe company has successively developedHPVSelf-sampling products.2017In [year], BGI launched the "Internet+HPV"Self-sampling" model, under itsSeqHPVSubtyping genetic testing can simultaneously target17High-risk typesHPVViruses and6Low-risk typeHPVViral typing has been completed. Data shows that, as of2024Year6At the end of the month, BGI GenomicsHPVTesting has cumulatively served over750per 10,000 women.2020In [Year], CapMed Diagnostics launchedHPV37Two new self-sampling products: a genotyping assay and a screening panel for gynecological infectious diseases. Among them,37Subtyping tests include13High-risk typeHPVVirus and24Low-risk typesHPVVirus.

It is worth mentioning that Dian Diagnostics hasHPVHas established a strong presence in the self-sampling sector. In addition to its own subsidiariesCXiaofei Jian Platform LaunchedHPVSubtyping-based Home Self-Testing, Enabling the Achievement of17high-risk typesHPVViruses and6Low-risk typesHPVIn addition to viral genotyping, it also provides professionalHPVSelf-sampling brands offer third-party testing services.

Founded in2021The Dierfei brand, a professional brand under Dierfei Medical,HPVSelf-Check Platform. In addition to the commonHPVIn addition to self-sampling tests, Deerfield's cervical cancer screening program also provides necessaryTCTScreening. If the userHPVA positive test result will prompt the testing center to conduct further (TCT) Liquid-based thin-layer cytology examination. Among them, Dierfei'sHPVThe testing services are jointly provided by the parent companies Deerfi Medical and Dian Diagnostics, with the former supplying sampling devices tailored to women’s characteristics and preferences, and the latter responsible for sample analysis.

By analyzing the products currently available on the marketHPVA Simple Comparison of Self-Test Products: VCBeat Found That, Compared to Urine SamplesHPVViral Staining Reagent,HPVSelf-sampling test products are closer to serious medical products.

First, in terms of product qualifications, although mostHPVSelf-sampling test products are only in accordance withIClass II medical devices have completed filing, but the final testing process is typically conducted in qualified medical testing laboratories. Secondly, in terms of accuracy, data indicates that,HPVThe sensitivity and specificity of self-sampling tests are comparable to those of clinician-collected samples. In a previous study involving more than15In a meta-analysis of 10,000 women,HPVSelf-sampling testing can detect88%CIN2and the aforementioned lesions, and89%ofCIN3and above lesions, and exclude96%ofCIN2and the aforementioned lesions, and96%ofCIN3and the aforementioned lesions. Among them,CINIndicative of cervical intraepithelial neoplasia,CIN2 refers to moderate dysplasia,CIN3are classified as severe dysplasia and carcinoma in situ.

Furthermore,HPVSelf-sampling products often provide follow-up management pathways for abnormal results, such as offering green channels for specialist referrals. Among these, Deerfield’s screening products also collaborate with commercial insurance companies to provide payment solutions for the diagnosis and treatment of positive patients.

“At this stage,HPV“Self-testing is still in its early stages of development, and the coverage rate for cervical cancer screening falls far short of the required level,” said Guan Xin, General Manager of Xiangda Biology’s China region, in an interview with VCBeat.

2019 In [year], the "Healthy China Action" issued by the State Council of China explicitly stated that the coverage rate of cervical cancer screening in counties and districts should reach2030reaching an annual level of90%The above.2021In [year], the National Health Commission issued the “Work Plan for Cervical Cancer Screening,” proposing that by2025By the end of the year, achieve a cervical cancer screening rate among eligible women of50%The above, the early diagnosis rate reached90%the aforementioned objectives. And at the World Health Organization2020also emphasized in the "Global Strategy to Accelerate the Elimination of Cervical Cancer" released in2030year,70%of women35and45Undergo one highly effective cervical cancer screening before the age of [X].

In Guan Xin’s view, it is precisely the pressure exerted by these screening rate targets that has leveragedHPVThe accelerated development of the self-testing industry, “after all, women’s compliance still needs to be improved under traditional cervical cancer screening methods.”

In recent years, the global focus of cervical cancer screening has been increasingly shifting toward self-sampling methods.2017Since [year], multiple countries, including Australia and the United Kingdom, have incorporated vaginal self-sampling screening into their national cervical cancer screening programs, effectively increasing participation rates among populations who had never been screened or were under-screened. Currently, nearly worldwide20countries have incorporated vaginal self-sampling screening into routine cervical cancer screening programs. In addition,2022In [year], the World Health Organization updated its guidelines on self-care for health, providing guidance on self-sampling for cervical cancer screening. It strongly recommended the widespread adoption of self-sampling screening and positioned it as a means to achieve2030 Key Strategies for Annual Phased Goals.

It is worth noting that, in addition to self-collected vaginal samples, urine-basedHPVThe accuracy of self-testing has also been continuously validated in clinical studies.

In fact, urine samples and vaginal self-samplingHPVThe principles of self-testing are quite similar.1943In [year], researchers proposed that cells from the cervical surface can exfoliate and mix with cervical and vaginal secretions, enabling their detection through smear examination, thereby establishing transvaginal sampling as aHPVThe theoretical basis of detection. Urine flushing carries away vaginal secretions and cellular debris shed from the cervix and vagina. Theoretically, if these cellular fragments containHPVThe virus can also be detected in urine samples. In a study that enrolled1459A Prospective Study in Womenin,ForCIN2The sensitivity of urine testing for lesion detection is100%，Specificity is58.7%, showing good concordance with the detection results of vaginal secretion specimens.

Of course, early screening is only one component of cervical cancer prevention and control, whileHPVTesting is one of the stages. Only by determining which sample types and sampling methods to use, establishing a closed-loop prevention and control system supported by data, can effective solutions be provided for cervical cancer management.

Currently, based onHPVSelf-sampling testing has also established a triage and management system for abnormal results. According to the "Chinese Expert Consensus on High-Risk Human Papillomavirus Testing Using Vaginal Self-Sampling for Cervical Cancer Screening (2024）》，If16Type or18TypeHPVPositive viral test results warrant direct referral for colposcopy; whereas other12High-risk typeHPVIf the viral test is positive, further testing will be conducted.TCTScreening. If no abnormal results are found, it is recommended1Annual follow-up; once any high-risk type is detected,HPVTest result is positive; referral for colposcopy will be made.

AlthoughHPVDevelopers of diagnostic tests have consistently catered to consumers’ demand for convenience and privacy. However, scientific prevention and control of cervical cancer is, after all, a complex systematic endeavor that cannot be accomplished by any single testing product alone. AnswerHPVTo determine whether self-testing is a scam, it is also necessary to look beyond the product itself and analyze the possibility of closed-loop management.

References

《Chinese Expert Consensus on Human Papillomavirus Nucleic Acid Testing for Cervical Cancer Screening (2022）》

《Chinese Expert Consensus on the Use of High-Risk Human Papillomavirus Testing with Vaginal Self-Sampling for Cervical Cancer Screening (2024）》