Abstract
Since the outbreak of the coronavirus disease 2019 (COVID-19) pandemic, the entire global health system was mobilized to care for these cases. This situation has had a major impact on the management of gestational trophoblastic diseases (GTD), both molar pregnancy (MP) and gestational trophoblastic neoplasia (GTN). In this letter, we highlight the main changes in GTD management in 2 of the largest reference centers in the Western Hemisphere, where COVID-19 is common (United States and Brazil). The greatest impact of COVID-19 is the imposition of quarantine where only essential medical services are fully operational. With limited nonemergency imaging services, we can expect a delayed diagnosis of MP leading to the appearance of medical complications historically seen at ≥12 weeks of gestation.1Sun S.Y. Melamed A. Goldstein D.P. et al.Changing presentation of complete hydatidiform mole at the New England Trophoblastic Disease Center over the past three decades: does early diagnosis alter risk for gestational trophoblastic neoplasia?.Gynecol Oncol. 2015; 138: 46-49Abstract Full Text Full Text PDF PubMed Scopus (53) Google Scholar Even asymptomatic MP should be considered a medical emergency. After diagnosis, molar evacuation should be performed promptly, to avoid complications. Before the COVID-19 pandemic, postmolar follow-up consisted of weekly human chorionic gonadotropin (hCG) serum monitoring and periodic in person checkups. During the pandemic, we believe it is appropriate to use telemedicine for uncomplicated postmolar follow-up. To minimize risk of viral exposure during hCG collection, we suggest biweekly monitoring, as long as the hCG is progressively falling. In cases where the hCG begins to plateau or reelevate, weekly hormonal surveillance should resume. In addition, we have adopted early discharge from hCG monitoring for patients with MP. For those with a partial mole, discharge is possible after a single confirmatory normal hCG 1 month after remission (remission is defined as 3 prior weekly hCG measurements of <5 IU/L); and for those with a complete mole, discharge is possible after 3 normal monthly hCG values after remission are compared with the current standard of 6 months.2Horowitz N.S. Berkowitz R.S. Elias K.M. Considering changes in the recommended human chorionic gonadotropin monitoring after molar evacuation.Obstet Gynecol. 2020; 135: 9-11Crossref PubMed Scopus (2) Google Scholar Patients with GTN who are asymptomatic should not delay the start of chemotherapy owing to the theoretical risk of infection; if they have received positive test results for COVID-19 and are symptomatic, at the beginning or during the treatment, chemotherapy should be postponed, at least until respiratory symptoms have resolved.3American Society of Clinical OncologyCOVID-19 patient care information.https://www.asco.org/asco-coronavirus-information/care-individuals-cancer-during-covid-19Date: 2020Date accessed: April 28, 2020Google Scholar,4Pothuri B. Alvarez Secord A. Armstrong D.K. et al.Anti-cancer therapy and clinical trial considerations for gynecologic oncology patients during the COVID-19 pandemic crisis.Gynecol Oncol. 2020; ([Epub ahead of print])Abstract Full Text Full Text PDF Scopus (29) Google Scholar We recommend starting treatment with bolus dose of actinomycin D (Act-D) 1.25 mg/m2 biweekly during the pandemic for patients at low-risk of experiencing GTN. This regimen requires fewer medical visits and may lead to a higher response rate and shorter time to remission compared with those of methotrexate (MTX).4Pothuri B. Alvarez Secord A. Armstrong D.K. et al.Anti-cancer therapy and clinical trial considerations for gynecologic oncology patients during the COVID-19 pandemic crisis.Gynecol Oncol. 2020; ([Epub ahead of print])Abstract Full Text Full Text PDF Scopus (29) Google Scholar Multiagent chemotherapy (usually etoposide, MTX, Act-D, cyclophosphamide, and vincristine) is used as primary treatment for patients at high-risk of experiencing GTN. Patients undergoing multiagent regimen should be carefully monitored and treated for neutropenia and immunosuppression, because oncologic patients are more susceptible to COVID-19 and are at higher risk of experiencing severe disease, being admitted to the intensive care unit, and dying.5Yu J. Ouyang W. Chua M.L.K. et al.SARS-CoV-2 transmission in patients with cancer at a tertiary care hospital in Wuhan, China.JAMA Oncol. 2020; ([Epub ahead of print])Crossref Scopus (729) Google Scholar To avoid immunosuppression, we recommend the routine use of granulocyte colony–stimulating factor during multiagent chemotherapy treatment.3American Society of Clinical OncologyCOVID-19 patient care information.https://www.asco.org/asco-coronavirus-information/care-individuals-cancer-during-covid-19Date: 2020Date accessed: April 28, 2020Google Scholar During chemotherapy, the most serious manifestation of COVID-19 may be pneumonia, especially in the first 14 days after chemotherapy. In general, we recommend holding chemotherapy during treatment for COVID-19, except for patients with considerable pulmonary metastases, in whom treating these lesions might improve respiratory function. Although there are important challenges to treating patients with GTD during the pandemic, the proposed recommendations are intended to maximize the essential care for these patients.
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