What question did this study set out to answer?

To assess whether type-specific cervicovaginal viral load across a broad spectrum of HPV genotypes associates with prevalent and incident cervical intraepithelial neoplasia grade 2 or worse (≥CIN2).

August 23, 2007International Journal of CancerOpen Access

High load for most high risk human papillomavirus genotypes is associated with prevalent cervical cancer precursors but only HPV16 load predicts the development of incident disease

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Authors

PGPatti E. GravittNational Cancer Institute MKMelinda Butsch KovacicCincinnati Children's Hospital Medical Center RHRolando HerreroUniversité de Tours

Discussion

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Implication

Cohort study reveals high HPV16 viral load uniquely predicts incident high-grade cervical neoplasia in HPV-infected women, indicating distinct clinical utility across viral genotypes.

Key Points

To assess whether type-specific cervicovaginal viral load across a broad spectrum of HPV genotypes associates with prevalent and incident cervical intraepithelial neoplasia grade 2 or worse (≥CIN2).
Conducted cross-sectional and prospective analyses with 7 years of follow-up among approximately 2,000 HPV-infected women from a 10,000-woman population-based cohort in Guanacaste, Costa Rica.
Assayed cervical specimens for >40 HPV types using MY09/MY11 L1 consensus primer PCR with type-specific dot blot hybridization, estimating viral load via PCR signal intensity.
High viral load versus low viral load was significantly associated with prevalent baseline ≥CIN2 for single HPV16 infections (OR = 19.2, 95% CI = 4.4–83.2) and single non-16 carcinogenic infections (OR = 9.2, 95% CI = 2.1–39.9).
During prospective follow-up, high viral load was strongly associated with incident ≥CIN2 solely among women with single HPV16 infections (OR = 27.2, 95% CI = 3.5–213.5), whereas non-16 carcinogenic types showed no association (OR = 0.7, 95% CI = 0.2–1.9).
Single noncarcinogenic HPV viral load showed no increased risk for either prevalent (OR = 1.2) or incident (OR = 1.1) ≥CIN2.

Cite This Study

Gravitt et al. (2007) studied this question.

synapsesocial.com/papers/6a15f91112229ed7d8d14568 https://doi.org/10.1002/ijc.23012

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Implication

Cohort study reveals high HPV16 viral load uniquely predicts incident high-grade cervical neoplasia in HPV-infected women, indicating distinct clinical utility across viral genotypes.

High load for most high risk human papillomavirus genotypes is associated with prevalent cervical cancer precursors but only HPV16 load predicts the development of incident disease

Discussion

Member takes

Implication

Key Points

Cite This Study

High load for most high risk human papillomavirus genotypes is associated with prevalent cervical cancer precursors but only HPV16 load predicts the development of incident disease

Discussion

Member takes

Implication

Key Points

Cite This Study

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