Publications by authors named "Lawrence Einhorn"

No study has comprehensively examined associated factors (adverse health outcomes, health behaviors, and demographics) affecting cognitive function in long-term testicular cancer survivors (TC survivors). TC survivors given cisplatin-based chemotherapy completed comprehensive, validated surveys, including those that assessed cognition. Medical record abstraction provided cancer and treatment history.

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Importance: Cisplatin is highly ototoxic but widely used. Evidence is lacking regarding cisplatin-related hearing loss (CRHL) in adult-onset cancer survivors with comprehensive audiologic assessments (eg, Words-in-Noise [WIN] tests, full-spectrum audiometry, and additional otologic measures), as well as the progression of CRHL considering comorbidities, modifiable factors associated with risk, and cumulative cisplatin dose.

Objective: To assess CRHL with comprehensive audiologic assessments, including the WIN, evaluate the longitudinal progression of CRHL, and identify factors associated with risk.

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Background: Patients with relapsed primary mediastinal nonseminomatous germ cell tumor have low cure rates with salvage chemotherapy or surgery. The authors report survival outcomes of patients who received high-dose chemotherapy (HDCT) and peripheral blood stem cell transplantation (PBSCT) at Indiana University.

Methods: The prospectively maintained Indiana University germ cell tumor database identified 32 patients with primary mediastinal nonseminomatous germ cell tumor who progressed after first-line cisplatin-based combination chemotherapy and received HDCT and PBSCT between 2006 and 2021.

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Article Synopsis
  • This study evaluated the health impacts of pain and other adverse effects on long-term testicular cancer survivors in the US, revealing a significant burden of health complications among these individuals.* -
  • Researchers used various validated surveys to assess physical and mental health outcomes, finding that many survivors reported multiple adverse health issues, which negatively affected their overall well-being.* -
  • Key findings indicated that factors like chemotherapy-induced neuropathic pain, obesity, and fatigue significantly impaired global mental health, while being married had a positive effect; additionally, pain-related issues were linked to specific health conditions like peripheral artery disease.*
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Purpose: Patients with relapsed seminoma after first-line chemotherapy can be treated with salvage chemotherapy or postchemotherapy retroperitoneal lymph node dissection (PC-RPLND). Based on prior experience, surgical management can have worse efficacy and increased morbidity compared to nonseminomatous germ cell tumor. Our aim was to characterize the surgical efficacy and difficulty in highly selected patients with residual disease after first-line chemotherapy.

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Background: Testicular germ cell tumor (TGCT) is the most common cancer among young White men. TGCT is highly heritable, although there are no known high-penetrance predisposition genes. CHEK2 is associated with moderate TGCT risk.

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Purpose: To compare the efficacy and toxicity of pemetrexed versus docetaxel in patients with advanced non-small-cell lung cancer (NSCLC) previously treated with chemotherapy.

Patients And Methods: Eligible patients had a performance status 0 to 2, previous treatment with one prior chemotherapy regimen for advanced NSCLC, and adequate organ function. Patients received pemetrexed 500 mg/m intravenously (IV) day 1 with vitamin B, folic acid, and dexamethasone or docetaxel 75 mg/m IV day 1 with dexamethasone every 21 days.

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Background: Late relapse (LR) of germ cell tumor (GCT) is defined as relapsed disease >2 years from initial treatment. LR remains a challenge both for optimal screening methods and management. We report the method of detection, treatments received, and outcomes in patients with chemotherapy-exposed vs chemotherapy-naïve LR GCT.

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Purpose: The long-term toxicities of chemotherapy and radiotherapy can represent a significant burden to testicular cancer survivors. Retroperitoneal lymph node dissection (RPLND) is an established treatment for testicular germ cell tumors with minimal late morbidity although little data exist on its efficacy in early metastatic seminoma. Surgery in early metastatic seminoma is a prospective phase II single-arm, multi-institutional trial of RPLND as first-line treatment for testicular seminoma with clinically low-volume retroperitoneal lymphadenopathy.

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Purpose: The majority of patients with advanced nonseminomatous germ-cell tumor are cured with combination chemotherapy and surgical resection of residual disease when appropriate. In patients with both retroperitoneal (RP) and non-RP postchemotherapy residual disease, management of the non-RP disease is typically guided by pathologic findings at the time of RP resection. There are limited data to help guide management decisions in patients with non-RP postchemotherapy residual disease alone.

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Background: HDCT and peripheral-blood stem-cell transplant (PBSCT) can cure up to 60% of pts with relapsed mGCT. Maintenance daily oral etoposide after salvage therapy has demonstrated potential clinical benefit. We now evaluate the potential role of maintenance etoposide versus observation post HDCT+PBSCT in this nonrandomized retrospective analysis.

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Purpose: On the basis of National Comprehensive Cancer Network guidelines, clinical stage (CS) II seminoma is treated with radiotherapy or chemotherapy. Primary retroperitoneal lymph node dissection (RPLND) demonstrated recent success as first-line therapy for RP-only disease. Our aim was to confirm surgical efficacy and evaluate recurrences after primary RPLND for CS IIA/IIB seminoma to determine if various clinical factors could predict recurrences.

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Purpose: Ototoxicity is a prominent side effect of cisplatin-based chemotherapy. There are few reports, however, estimating its prevalence in well-defined cohorts and associated risk factors.

Methods: Testicular cancer (TC) survivors given first-line cisplatin-based chemotherapy completed validated questionnaires.

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Article Synopsis
  • Cisplatin, a common chemotherapy drug for testicular cancer, is associated with significant hearing loss (HL) and tinnitus, affecting over half of the survivors in the study.
  • Many patients reported clinically significant functional impairments related to hearing loss, with a notable correlation to cognitive dysfunction, fatigue, and overall health decline.
  • The research highlights the need for regular hearing assessments in cisplatin-treated survivors to better manage the impacts of HL and tinnitus on their quality of life.
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Relapsed testicular germ cell tumours (GCTs) might be cured with salvage chemotherapy. Accepted salvage treatment is conventional-dose chemotherapy (CDCT) or high-dose chemotherapy (HDCT). HDCT with peripheral blood stem cell transplant might produce a higher number of durable responses than CDCT.

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Objective: Many advanced cancer patients struggle with anxiety, depressive symptoms, and anger toward God and illness-related stressors. Patients may perceive their illness as an injustice (i.e.

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Purpose: Deficits in speech understanding constitute one of the most severe consequences of hearing loss. Here we investigate the clinical and genetic risk factors for symmetric deterioration of speech recognition thresholds (SRT) among cancer survivors treated with cisplatin.

Methods: SRT was measured using spondaic words and calculating the mean of measurements for both ears with symmetric SRT values.

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Claudin6(CLDN6) is a tight junction protein of claudin-tetraspanin family and is of the earliest molecules expressed in embryonic epithelium. CLDN6 is frequently aberrantly expressed in testicular germ-cell tumors(GCT). ASP1650 is a chimeric-mouse/human-IgG1 antibody directed against CLDN6.

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Purpose: According to National Comprehensive Cancer Network guidelines, adjuvant chemotherapy (AC) has been advocated after primary retroperitoneal lymph node dissection (RPLND) to reduce the risk of relapse in pathologic nodal (pN) stage pN2 or pN3, whereas surveillance is preferred for pN1. We sought to explore the oncologic efficacy of primary RPLND alone for pathologic stage II in nonseminomatous germ cell tumors (NSGCTs) to reduce overtreatment with chemotherapy.

Methods: Patients with pathologic stage II NSGCT after primary RPLND between 2007 and 2017 were identified.

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Purpose: The optimal management of patients with metastatic germ cell tumors who achieve a complete response (CR) after first-line chemotherapy remains unsettled. This study reports long-term outcomes of patients with metastatic germ cell tumor managed with surveillance after achieving a CR to first-line chemotherapy.

Materials And Methods: Patients with metastatic nonseminomatous germ cell tumor treated at Indiana University between 1990 and 2017 who achieved a CR after first-line chemotherapy and were monitored with surveillance were retrospectively analyzed.

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Purpose: Cisplatin is a critical component of first-line chemotherapy for several cancers, but causes peripheral sensory neuropathy, hearing loss, and tinnitus. We aimed to identify comorbidities for cisplatin-induced neurotoxicities among large numbers of similarly treated patients without the confounding effect of cranial radiotherapy.

Methods: Utilizing linear and logistic regression analyses on 1680 well-characterized cisplatin-treated testicular cancer survivors, we analyzed associations of hearing loss, tinnitus, and peripheral neuropathy with nongenetic comorbidities.

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Article Synopsis
  • The study aims to explore differences between what cancer survivors report about their hearing loss (HL) and what audiometric tests reveal, particularly focusing on those who had cisplatin-based chemotherapy.
  • It involved 1,410 testicular cancer survivors who underwent audiometric testing and filled out questionnaires, with findings showing that 34.8% reported HL.
  • Key factors affecting their perception of HL included older age, lack of prior noise exposure, lower education levels, and the presence of tinnitus, which influenced whether they underestimated or overestimated their hearing issues.
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