Xiaomei Ma, PhD

2026

• Demographic, birth, parental characteristics, and the risk of early‐onset colorectal cancer: A population‐based nested case‐control study in California

  Siddique S, Wang R, Berardi D, Johnson C, Wiemels J, Metayer C, Ma X. Demographic, birth, parental characteristics, and the risk of early‐onset colorectal cancer: A population‐based nested case‐control study in California. Cancer 2026, 132: e70458. PMID: 42324895, PMCID: PMC13284631, DOI: 10.1002/cncr.70458.

  Peer-Reviewed Original Research

  This study investigates early-onset colorectal cancer, showing male sex, Hispanic ethnicity, high birthweight, and older paternal age increase risk, while foreign-born mothers may reduce it.

  Full Summary

• Helicobacter pylori infection and metabolic dysfunction-associated steatotic liver disease: a prospective study and meta-analysis.

  Zhao L, Chen Y, Zhang X, Mezzacappa C, Ma X, Banini B, Lee J, Liu C, Zhang X, Hsing A, Nguyen M, Hyun C, Camargo M, McGlynn K, Hou L, Taddei T, Zhang X. Helicobacter pylori infection and metabolic dysfunction-associated steatotic liver disease: a prospective study and meta-analysis. Cancer Epidemiology Biomarkers & Prevention 2026 PMID: 42233960, DOI: 10.1158/1055-9965.epi-26-0038.

  Peer-Reviewed Original Research

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• Prostate-Specific Membrane Antigen Imaging and Initial Treatment for Prostate Cancer

  Leapman M, Rothen J, Long J, Kim I, Mitchell A, Yu J, Dinan M, Gross C, Ma X. Prostate-Specific Membrane Antigen Imaging and Initial Treatment for Prostate Cancer. JAMA Oncology 2026, 12 PMID: 42096231, PMCID: PMC13154023, DOI: 10.1001/jamaoncol.2026.0893.

  Peer-Reviewed Original Research

  This study investigates how PSMA-PET imaging for prostate cancer leads to earlier use of advanced therapies compared to traditional bone scans, impacting treatment decisions and costs.

  Full Summary

• Immunomodulatory Agent Adherence Trajectories and Survival Among Older Patients With Multiple Myeloma.

  Wang R, Ji M, Neparidze N, Ma X, Chang S, Wang S. Immunomodulatory Agent Adherence Trajectories and Survival Among Older Patients With Multiple Myeloma. JCO Oncology Practice 2026, op2500615. PMID: 42081788, DOI: 10.1200/op-25-00615.

  Peer-Reviewed Original Research

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• Acute myeloid leukemia after myeloproliferative neoplasms: Real‐world outcomes in the new treatment era in the United States

  Bewersdorf J, Wang R, Mendez L, Mina A, Aguirre L, Stahl M, Zeidan A, Ma X, Podoltsev N. Acute myeloid leukemia after myeloproliferative neoplasms: Real‐world outcomes in the new treatment era in the United States. Cancer 2026, 132: e70415. PMID: 42033416, DOI: 10.1002/cncr.70415.

  Peer-Reviewed Original Research

  Citations

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  MeSH Keywords

• Targeted and non-targeted analyses of per-and polyfluoroalkyl substances in newborn dried blood spots and risk of childhood acute lymphoblastic leukemia

  Vieira V, Liu S, Morimoto L, Koelmel J, Binczewski N, Wiemels J, Ma X, Godri Pollitt K, Metayer C. Targeted and non-targeted analyses of per-and polyfluoroalkyl substances in newborn dried blood spots and risk of childhood acute lymphoblastic leukemia. Journal Of Exposure Science & Environmental Epidemiology 2026, 1-11. PMID: 41981048, PMCID: PMC13123734, DOI: 10.1038/s41370-026-00891-6.

  Peer-Reviewed Original Research

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• Response by Chu et al to Letter Regarding Article, “Joint Exposure to Ozone and Temperature and Acute Myocardial Infarction Among Adults Aged 18 to 64 Years in the United States”

  Chu L, Ma X, Chen K. Response by Chu et al to Letter Regarding Article, “Joint Exposure to Ozone and Temperature and Acute Myocardial Infarction Among Adults Aged 18 to 64 Years in the United States”. Circulation 2026, 153: e914-e915. PMID: 41802023, DOI: 10.1161/circulationaha.125.078382.

  Commentaries, Editorials and Letters

• Adoption and Regional Variation of Prostate-Specific Membrane Antigen Positron Emission Tomography in the United States.

  Leapman M, Long J, Westvold S, Rabil M, Sprenkle P, Kim I, Spilberg G, Saperstein L, Fallah J, Suzman D, Lerro C, Xu J, Rivera D, Kluetz P, Karnes R, Dinan M, Mitchell A, Kunst N, Wang S, Ma X, Gross C. Adoption and Regional Variation of Prostate-Specific Membrane Antigen Positron Emission Tomography in the United States. JCO Oncology Practice 2026, op2500617. PMID: 41632928, DOI: 10.1200/op-25-00617.

  Peer-Reviewed Original Research

  This study investigates the rapid adoption of PSMA-PET imaging for prostate cancer in the U.S., highlighting increased usage since 2021 and disparities based on income and education.

  Full Summary

• Smoldering multiple myeloma in the United States: a population-based analysis

  Wang S, Wang R, Schoen M, Huber J, Feuer E, Ruhl J, Neparidze N, Ma X, Davidoff A, Chang S. Smoldering multiple myeloma in the United States: a population-based analysis. Blood Advances 2026, 10: 661-664. PMID: 41213002, PMCID: PMC12870838, DOI: 10.1182/bloodadvances.2025017817.

  Peer-Reviewed Original Research

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• Residential proximity to active and abandoned oil and gas development and risk of childhood Ewing sarcoma in California

  Clark C, Johnson N, Wang R, Stewart E, Spector L, Wiemels J, Metayer C, Deziel N, Ma X. Residential proximity to active and abandoned oil and gas development and risk of childhood Ewing sarcoma in California. Environmental Health 2026, 25: 12. PMID: 41535920, PMCID: PMC12888232, DOI: 10.1186/s12940-025-01259-3.

  Peer-Reviewed Original Research

  Citations

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