Recognition and Management of Lambert-Eaton Myasthenic Syndrome in Patients with Small Cell Lung Cancer — Interview

Faculty

Faculty

Ticiana Leal

MD

Winship Cancer Institute, Emory University, Atlanta, Georgia

Professor, Department of Hematology and Oncology, Director, Thoracic Medical Oncology, Leader, Lung Cancer Disease Team, Medical Director, Clinical Trials Office

TARGET AUDIENCE
This activity is intended for medical oncologists, hematology-oncology fellows and other healthcare providers involved in the treatment of lung cancer.

LEARNING OBJECTIVES

• Appreciate the pathophysiology, incidence and signs and symptoms of Lambert-Eaton myasthenic syndrome (LEMS) in patients with small cell lung cancer (SCLC).
• Recall strategies to establish a positive diagnosis of LEMS, and use this information to facilitate the accurate and timely evaluation of patients with SCLC in whom this condition is suspected.
• Develop an understanding of the clinical research database supporting the use of potassium channel blockers in the management of LEMS, including that associated with SCLC, and optimally integrate this treatment into the care of patients with this condition.
• Appraise the role of multidisciplinary specialists such as neurologists in the diagnosis and management of LEMS, and effectively collaborate with these clinicians to offer best-practice care for patients with SCLC in whom this condition is suspected or diagnosed.

ACCREDITATION STATEMENT
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CREDIT DESIGNATION STATEMENT
Interview: Research To Practice designates this enduring material for a maximum of 1.25 AMA PRA Category 1 Credits™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

Lecture: Research To Practice designates this enduring material for a maximum of 0.5 AMA PRA Category 1 Credits™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

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Successful completion of these CME activities, which includes participation in the evaluation components and post-tests, enables the participant to earn up to 1.25 (interview) or 0.5 (lecture) Medical Knowledge MOC points in the American Board of Internal Medicine’s (ABIM) Maintenance of Certification (MOC) program. Participants will earn MOC points equivalent to the amount of CME credits claimed for each activity. It is the CME activity provider’s responsibility to submit participant completion information to ACCME for the purpose of granting ABIM MOC credit.

Please note, this program has been specifically designed for the following ABIM specialty: medical oncology.

AMERICAN BOARD OF SURGERY (ABS) — CONTINUOUS CERTIFICATION (CC)
Successful completion of these CME activities, which includes participation in the evaluation components and post-tests, enables the learner to earn credit toward the CME and Self-Assessment requirement(s) of the American Board of Surgery’s Continuous Certification program. It is the CME activity provider’s responsibility to submit participant completion information to ACCME for the purpose of granting ABS credit.

Please note, this program has been specifically designed for the following ABS practice area: complex general surgical oncology.

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HOW TO USE THESE CME ACTIVITIES
To receive credit for each activity, the participant should review the CME information, watch the video, complete the post-test with a score of 80% or better and fill out the evaluation (interview, lecture).

CONTENT VALIDATION AND DISCLOSURES
Research To Practice (RTP) is committed to providing its participants with high-quality, unbiased and state-of-the-art education and adheres to the ACCME’s Standards for Integrity and Independence in Accredited Continuing Education. Any individuals in a position to control the content of an accredited continuing education activity, including faculty, planners, reviewers and others, are required to disclose all relevant financial relationships with ineligible entities (commercial interests). All relevant financial relationships have been mitigated prior to the commencement of these activities. In addition, all activity content is reviewed by RTP scientific staff and an external, independent physician reviewer for fair balance, scientific objectivity of studies referenced and patient care recommendations.

FACULTY — The following faculty reported relevant financial relationships with ineligible entities:

Dr Leal — Advisory Committees: Amgen Inc, AstraZeneca Pharmaceuticals LP, Boehringer Ingelheim Pharmaceuticals Inc, Catalyst Pharmaceuticals Inc, Gilead Sciences Inc, Jazz Pharmaceuticals Inc, Johnson & Johnson, Merck, Molecular Partners, Novocure Inc, Nuvation Bio Inc, Roche Laboratories Inc, Summit Therapeutics, Synthekine, Verastem Inc; Consulting Agreements: AbbVie Inc, Amgen Inc, AstraZeneca Pharmaceuticals LP, Boehringer Ingelheim Pharmaceuticals Inc, Catalyst Pharmaceuticals Inc, Gilead Sciences Inc, Jazz Pharmaceuticals Inc, Johnson & Johnson, Lilly, Molecular Partners, Novocure Inc; Contracted Research (to Institution): Daiichi Sankyo Inc; Data and Safety Monitoring Boards/Committees: OncoC4; Travel Support: Amgen Inc, Novocure Inc.

EDITOR — Dr Love  is president and CEO of Research To Practice. Research To Practice receives funds in the form of educational grants to develop CME activities from the following companies: Aadi Bioscience, AbbVie Inc, ADC Therapeutics, Agendia Inc, Alexion Pharmaceuticals, Amgen Inc, Array BioPharma Inc, a subsidiary of Pfizer Inc, Arvinas, Astellas, AstraZeneca Pharmaceuticals LP, Aveo Pharmaceuticals, Bayer HealthCare Pharmaceuticals, BeOne, Biotheranostics Inc, A Hologic Company, Black Diamond Therapeutics Inc, Blueprint Medicines, Boehringer Ingelheim Pharmaceuticals Inc, Bristol Myers Squibb, Catalyst Pharmaceuticals Inc, Celcuity, Clovis Oncology, Coherus BioSciences, Corcept Therapeutics Inc, CTI BioPharma, a Sobi Company, Daiichi Sankyo Inc, Eisai Inc, Elevation Oncology Inc, Exact Sciences Corporation, Exelixis Inc, Genentech, a member of the Roche Group, Genmab US Inc, Geron Corporation, Gilead Sciences Inc, GSK, Helsinn Therapeutics (US) Inc, ImmunoGen Inc, Incyte Corporation, Ipsen Biopharmaceuticals Inc, Jazz Pharmaceuticals Inc, Johnson & Johnson, Karyopharm Therapeutics, Kite, A Gilead Company, Kura Oncology, Legend Biotech, Lilly, MEI Pharma Inc, Merck, Mersana Therapeutics Inc, Mirati Therapeutics Inc, Mural Oncology Inc, Natera Inc, Novartis, Novartis Pharmaceuticals Corporation on behalf of Advanced Accelerator Applications, Novocure Inc, Nuvalent, Nuvation Bio Inc, Pfizer Inc, Pharmacyclics LLC, an AbbVie Company, Puma Biotechnology Inc, Regeneron Pharmaceuticals Inc, Revolution Medicines Inc, Rigel Pharmaceuticals Inc, R-Pharm US, Sanofi, Seagen Inc, Servier Pharmaceuticals LLC, SpringWorks Therapeutics Inc, Stemline Therapeutics Inc, Sumitomo Pharma America, Summit Therapeutics, Syndax Pharmaceuticals, Taiho Oncology Inc, Takeda Pharmaceuticals USA Inc, TerSera Therapeutics LLC, Tesaro, A GSK Company, and Verastem Inc.

RESEARCH TO PRACTICE CME PLANNING COMMITTEE MEMBERS, STAFF AND REVIEWERS — Planners, scientific staff and independent reviewers for Research To Practice have no relevant financial relationships to disclose.

These educational activities contain discussion of published and/or investigational uses of agents that are not indicated by the Food and Drug Administration. Research To Practice does not recommend the use of any agent outside of the labeled indications. Please refer to the official prescribing information for each product for discussion of approved indications, contraindications and warnings. The opinions expressed are those of the presenters and are not to be construed as those of the publisher or grantor.

These activities are supported by an educational grant from Catalyst Pharmaceuticals Inc.

Release date: August 2026
Expiration date: August 2027

Bodkin CL, Pascuzzi RM. Update in the management of myasthenia gravis and Lambert-Eaton myasthenic syndrome. Neurol Clin 2021;39(1):133-46. Abstract

Drapkin BJ et al. Marked under-diagnosis of Lambert-Eaton myasthenic syndrome in small cell lung cancer: An analysis of real-world claims data. Front Oncol 2025;15:1650373. Abstract

Iams W et al. Real-world trends in screening and evaluation of paraneoplastic syndromes among patients with small cell lung cancer. WCLC 2024;Abstract EP.17A.06.

Kesner VG et al. Lambert-Eaton myasthenic syndrome. Neurol Clin 2018;36(2):379-94. Abstract

Lipka AF et al. Long-term follow-up, quality of life, and survival of patients with Lambert-Eaton myasthenic syndrome. Neurology 2020;94(5):e511-20. Abstract

Morrell D et al. Lambert-Eaton myasthenic syndrome is underrecognized in small cell lung cancer: An analysis of real-world data. WCLC 2023;Abstract P2.31-03.

Shieh P et al. Amifampridine phosphate (Firdapse) is effective in a confirmatory phase 3 clinical trial in LEMS. J Clin Neuromuscul Dis 2019;20(3):111-9. Abstract

Yoon CH et al. Amifampridine for the management of Lambert-Eaton myasthenic syndrome: A new take on an old drug. Ann Pharmacother 2020;54(1):56-63. Abstract

Zalewski NL et al. P/Q- and N-type calcium-channel antibodies: Oncological, neurological, and serological accompaniments. Muscle Nerve 2016;54(2):220-7. Abstract