Silver SM, Houghton K, Hitchens A, Ansquer VD, Ciepielewska M. Real-world assessment of the patient profile, clinical characteristics, treatment patterns, and outcomes associated with erythropoietic and X-linked protoporphyria. J Dermatol. 2025 Mar;52(3):416-22. doi: 10.1111/1346-8138.17607
Dave RH, Crayton H, Miravalle A, Tai MH, Wyse K, Houghton K, Hitchens A, Berkovich R. COVID-19 vaccination response in patients with multiple sclerosis treated with ofatumumab in the United States: a medical record review. Neurol Ther. 2024 Dec;13(6):1737-45. doi: 10.1007/s40120-024-00671-0
Obeid E, Parikh RC, Esterberg E, Arondekar B, Hitchens A, Arruda LS, Niyazov A, Whitaker K. Clinical characteristics, treatment patterns, and outcomes in adult patients with germline BRCA1/2-mutated, HER2-negative advanced breast cancer: a retrospective medical record review in the United States. Front Oncol. 2024 May 16;14:1341665. doi: 10.3389/fonc.2024.1341665
Razavi P, Ahmed M, Roush A, Parikh R, Hitchens A, Shen S, Safonov A, Jhaveri K, Robson M, Peacock N, Ma Y, Santarsiero E, Ganapathy V, Shah R, Amaefule A, Lteif A, Blakely J. Real-world (RW) risk of recurrence among patients (pts) diagnosed with stage II-III HR+/HER2− early breast cancer (EBC) treated with endocrine therapy (ET) in the US. J Clin Oncol. 2024 May;42(Suppl 16):e12533.
Ghaswalla P, Hitchens A, Candrilli SD, Carrico J, Hicks KA, Wilson E, Mehta D, Panozzo CA. Prevalence of underlying conditions associated with higher risk for severe RSV, influenza, or COVID-19 in adults in the United States, 2017-2018. Poster presented at the IDWeek 2023; October 12, 2023. Boston, MA.
Bellmunt J, Chang J, Pavilack-Kirker M, Cappelleri JC, Costa N, Esterberg E, Kearney M, Hitchens A, Candrilli SD, Ajmera M. Evaluating real-world characteristics of patients with advanced urothelial carcinoma eligible for avelumab maintenance therapy: a multi-country retrospective medical chart review. Clin Genitourin Cancer. 2023 Aug;21(4):459-66. doi: 10.1016/j.clgc.2023.03.011
Houghton K, Hitchens A, Ciepielewska M. Healthcare resource use and costs among patients with erythropoietic protoporphyria and x-linked protoporphyria in the United States. Poster presented at the ISPOR 2023 Conference; May 7, 2023. Boston, MA. [abstract] Value Health. 2023 Jun; 26(6 supplement):S155. doi: 10.1016/j.jval.2023.03.2501
Fasching PA, Hall PS, Chang L, Parikh R, Hitchens A, Davis KL, Sjekloca N, Summerhayes M, Ntalla I, Derrien Ansquer V, Bergamaco E, Ghabaireh M. Real-world clinical outcomes among patients (pts) with metastatic/advanced triple-negative breast cancer (mTNBC) in the United Kingdom (UK) and Germany (GER). Poster presented at the 2023 ESMO Breast Cancer Annual Congress; May 11, 2023. Berlin, Germany.
Oikonomidou O, Galve-Calvo E, Wockel A, Parikh R, Hitchens A, Chen C, Gauthier E, Li B, Derrien Ansquer V, Frugier G, Jimenez M, Davis KL, Broughton EI. Real-world clinical outcomes associated with first-line palbociclib and aromatase inhibitor therapy among patients with HR+/HER2_ advanced breast cancer in Europe. Poster presented at the 2023 ESMO Breast Cancer Annual Congress; May 2023. Berlin, Germany.
Kaul S, Gosmanova EO, Castriota F, Hitchens A, Candrilli S, Parikh R, Esterberg E, Ayodele O. Recent trends in hypoparathyroidism-related inpatient and emergency department admissions and costs in the United States. J Endocr Soc. 2023 Apr 18;7(5):bvad050. doi: 10.1210/jendso/bvad050.
Parikh RC, DeMartino JK, Krishnarajah G, Hitchens A, Bello F, Meyers J, Levin M. Respiratory syncytial virus–attributable hospitalizations among adults ≥60 years in the United States – a comparison by race/ethnicity. Poster presented at the 2023 Respiratory Synctial Virus Foundation (RSVVW); February 22, 2023. Lisbon, Portugal.
Parikh RC, DeMartino JK, Krishnarajah G, Hitchens A, Bello F, Meyers J, Levin M. Respiratory syncytial virus versus influenza hospitalizations among adults ≥60 years in the United States. Poster presented at the 2023 Respiratory Synctial Virus Foundation (RSVVW); February 22, 2023. Lisbon, Portugal.
Singal AG, Nagar SP, Hitchens A, Davis KL, Iyer S. Real-world effectiveness of Lenvatinib monotherapy in previously treated unresectable hepatocellular carcinoma in US clinical practice. Cancer Rep (Hoboken). 2023 Jan;6(1):e1679. doi: 10.1002/cnr2.1679
Ciepielewska M, Hagan M, Houghton K, Hitchens A, Ansquer V, Silver SM. Real-world treatment patterns and healthcare resource utilization among patients diagnosed with erythropoietic protoporphyria and x-linked protoporphyria: results from a US electronic medical records study. Poster presented at the ISPOR 2022 Conference; May 17, 2022. Washington, DC. [abstract] Value Health. 2022 Jun; 25(6 S1).
Singal AG, Nagar SP, Hitchens A, Davis KL, Iyer S. Real-world effectiveness of lenvatinib in hepatocellular carcinoma patients with nonalcoholic steatohepatitis. Clin Gastroenterol Hepatol. 2021 Nov 20. doi: 10.1016/j.cgh.2021.11.020
Singal AG, Nagar SP, Hitchens A, Davis KL, Iyer S. Real-world effectiveness of lenvatinib monotherapy among unresectable hepatocellular carcinoma patients in the USA. Future Oncol. 2021 Jul;17(21):2759-68.
Singal AG, Nagar SP, Hitchens A, Iyer S. Real-world effectiveness of lenvatinib monotherapy among unresectable hepatocellular carcinoma patients treated in United States clinical practices. Poster presented at the 2021 Virtual Gastrointestinal Cancers Symposium; January 15, 2021.
Obeid E, Parikh R, Esterberg E, Arondekar B, Hitchens A, Shahied Arruda L, Niyazov A. Genetic Counseling (GC) patterns by practice setting among patients (pts) with germline BRCA1/2 mutated (gBRCA1/2mut) Advanced Breast Cancer (ABC): results from a US retrospective medical records review study. Poster presented at the 2020 Virtual NSGC 39th Annual Conference; November 18, 2020.