Journal Publications

    1. Ambinintsoa H. RalaidovyChaitra  GopalappaAndré  Ilbawi, Carel  Pretorius and Jeremy A. Lauer, Cost-effective interventions for breast cancer, cervical cancer, and colorectal cancer: new results from WHO-CHOICE, Cost Effectiveness and Resource Allocation, 18 (38), 2018 LINK LINK
    2. Gopalappa, C., Guo*, J., Meckoni*, P., Munkhbat*, B., Pretorius, C., Lauer, J., Ilbawi, A., Bertram, M., A two-step Markov processes approach for parameterization of cancer state-transition models for low- and middle- income countries, Medical Decision Making, Vol. 38(4) 520–530, 2018, PDF technical-suppl LINK
      1. Related work: 
      2. ** World Health Organization, Cancer Interventions Technical Briefing For The Updated (2017) Appendix 3 Of The Global Action Plan For The Prevention And Control Of Noncommunicable Diseases 2013-2020, LINK*
      3. *World Health Organization, Best buys and other recommended interventions for the prevention and control of noncommunicable diseases, Updated (2017) appendix 3 of the global action plan for the prevention and control of noncommunicable diseases 2013-2020, LINK
    3. Gopalappa, C., Farnham, P.G., Chen, Y-H., and Sansom, S.L. Combinations of interventions to achieve a national HIV incidence reduction goal: insights from an agent-based model. AIDS, November 28, 2017 – Volume 31 – Issue 18 – p 2533 to 2539 LINK 
    4. Gopalappa, C., Farnham, P.G., Chen, Y-H., and Sansom, S.L. Progression and Transmission of HIV/AIDS (PATH 2.0): A New Agent-Based Model to Estimate HIV Transmissions in the United States, Med Decis Making 2017 Feb;37(2):224-233. doi: 10.1177/0272989X16668509 LINK
      1. **Cited in Cited in Dailey AF, Hoots BE, Hall HI, et al. Vital Signs: Human Immunodeficiency Virus Testing and Diagnosis Delays — United States. MMWR Morb Mortal Wkly Rep 2017;66:1300–1306. DOI: http://dx.doi.org/10.15585/mmwr.mm6647e1
    5. Eaton, J., Bacaër, N., Bershteyn, A., Cambiano, V., Cori, A., Dorrington, R.E., Fraser, C., Gopalappa, C., Hontelez, J.A.C., Johnson, L.F., Klein, D.J., Phillips, A.N., Pretorius, C., Stover, J., Rehle, T.M., Hallett, T.B., Assessment of epidemic projections using recent HIV survey data in South Africa: a validation analysis of ten mathematical models of HIV epidemiology in the antiretroviral therapy era, The Lancet Global Health, Vol 3, e598, October 2015; DOI: http://dx.doi.org/10.1016/S2214-109X(15)00080-7; LINK
    6. Stover, J., Andreev, K., Slaymaker, E., Gopalappa, C., Sabin, K., Velasquez, C., Nakiyingi-Miiro, J., Crampin, A., Lutalo, T., Herbst, K., Gregson, S., and Urassa, M., Updates to the Spectrum model to estimate key HIV indicators for adults and children, AIDS 2014, 28 (Suppl 4):S427–S434 PDF
    7. Gopalappa, C., Stover, J., Shaffer, N., and Mahy, M., The Costs and Benefits of Option B+ for the Prevention of Mother-to-Child Transmission of HIV, AIDS, 28 Suppl. 1:S5-14, 2014 LINK
      1. **Cited in Guideline on when to start antiretroviral therapy and on pre-exposure prophylaxis for HIV, The World Health Organization, September 2015, http://apps.who.int/iris/bitstream/10665/186275/1/9789241509565_eng.pdf...
    8. Stover, J., Hallett, T., Wu, Z., Warren, M., Gopalappa, C., Pretorius, C., Ghys, P.D., Montaner, J., Schwartländer, B.; New Prevention Technology Study Group, How can we go to Zero? The Potential Contribution of Biomedical Prevention and the Investment Framework towards an Effective Response to HIV, PLoS One, 9(11):e111956, 2014 PDF
    9. Stover, J., Gopalappa, C., Mahy, M., Doherty, M.C., Easterbrook, P.J., Weiler, G., and Ghys, P.D., The impact and cost of the 2013 WHO recommendations on eligibility for antiretroviral therapy, AIDS, 28 Suppl. 2:S225-30, 2014 PDF
      1. **Cited in Guideline on when to start antiretroviral therapy and on pre-exposure prophylaxis for HIV, The World Health Organization, September 2015, http://apps.who.int/iris/bitstream/10665/186275/1/9789241509565_eng.pdf
    10. Gopalappa, C., Huang, Y., Melanie, T., Kwame, O., and Gift, T., Cost-effectiveness of screening men in Maricopa County jails for chlamydia and gonorrhea to avert infections in women, STD, 40 (10):776-783, 2013 MODEL
    11. Pretorius, C., Menzies, N.A., Chindelevitch, L., Cohen, T., Cori, A., Eaton, J. A., Fraser, C., Gopalappa, C., Hallett, T. B., Salomon, J. A., Stover, J., White, R. G., Dodd, P. J., The potential effects of changing HIV treatment policy on TB outcomes in South Africa: results from three TB-HIV transmission models, AIDS, 28 Suppl 1:S25-34, 2014
    12. Eaton, J., Menzies, N., Stover, J., Cambiano, V., Chindelevitch, L., Cori, A., Hontelez, J. A. C., Humair, S., Kerr C. C., Klein, D J., Mishra, S., Mitchell, K. M., Nichols, B.E., Vickerman, V., Bakker, R., Barnighausen, T., Bershteyn, A., Bloom, D.E., Boily, M-C, Chang, S.T., Cohen, T., Dodd, P.J., Fraser, C., Gopalappa, C., Lundgren, J., Martin, N.K., Mikkelsen, E., Mountain, E., Pham, Q.D., Pickles, M., Phillips, A., Platt, L., Pretorius, C., Prudden, H.J., Salomon, J.A., van de Vijver, D.A.M.C., de Vlas, S. J., Wagner, B. G., White, R.G., Wilson, D.P., Zhang, L., Blandford, J., Meyer-Rath, G., Remme, M., Revill, P., Sangrujee, N., Terris-Prestholt, F., Doherty, M., Shaffer, N., Easterbrook, P.J., Hirnschall, G., Hallett, T.B., How should HIV programmes respond to evidence for the benefits of earlier treatment initiation? A combined analysis of twelve mathematical models, Lancet Global Health, 2(1):e23, 2014
    13. Farnham, P., Gopalappa, C., Sansom, S., Updates of lifetime costs of care and quality-of-life estimates for HIV-infected persons in the United States: late versus early diagnosis and entry into care, JAIDS, 64(2):183-189, 2013. MODEL
      1. **Cited in the National HIV AIDS Strategy for the United States: Update to 2020, The White House, July 2015 https://www.aids.gov/federal-resources/national-hiv-aids-strategy/nhas-update.pdf
      2. **Cited in the CDC FY 2017 Congressional Justification for Budget Request, Justification of Estimates to the Appropriations Committees, 2016,https://www.cdc.gov/budget/documents/fy2017/fy-2017-cdc-congressional-justification.pdf
    14. Farnham, P.G., Holtgrave, D. R., Gopalappa, C., Angela B. Hutchinson, Stephanie L. Sansom, Lifetime Costs and QALYs Saved from HIV Prevention in the Test and Treat Era, Letter to the Editor, JAIDS, 64(2):e15-e18, 2013
    15. Gopalappa, C., Stover, J., and Pretorius, C., HIV prevalence patterns by age: Exploring differences among 19 countries, DHS Analytical Studies, No. 40. Calverton, Maryland, USA: ICF International, 2013.
      1. **Cited in Guidelines for conducting HIV surveillance among pregnant women attending antenatal clinics based on routine programme data, World Health Organization, August 2015 http://apps.who.int/iris/bitstream/10665/197864/1/9789241509725_eng.pdf (last accessed: Dec 2015)
    16. Gopalappa, C., Farnham, P., Hutchinson, A., and Sansom, S., Cost-effectiveness of the National HIV/AIDS Strategy (NHAS) goal of increasing the proportion linking to care at diagnosis, JAIDS, 61 (1):99-105, 2012....
    17. Gopalappa, C., Cremaschi, S., Das, T., Orcun, S., Applied Probability Models for Estimating Progression Rates between Colorectal Cancer Stages, Health Care Management Science 14(1), March 2011: Pg 1-21 pdf
    18. Received the Institute of Industrial Engineers (IIE) Pritsker Doctoral Dissertation Award...
    19. Gopalappa, C., Das, T., Enkemann, S., and Eschrich, S., Removal of Hybridization and Scanning Noise from Microarrays, IEEE Transactions on Nanobioscience, 8(3), 2009