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The GLAMM1 Study - Global Access to Myeloma Medications: Potential Barriers to Chimeric Antigen Receptors (CART) and T-Cell-Engaging Bispecific Antibodies (TCE) Globally

Transplantation and Cellular Therapy(2023)

Univ Kansas | US Myeloma Innovat Res Collaborat USMIRC | Mayo Clin | Amer Hosp | Univ Djillali Liabes Sidi Bel Abbes | Princess Margaret Canc Ctr | State Univ Para | Univ Coll London Hosp NHS Fdn Trust

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Abstract
Introduction: Novel B cell maturation antigen (BCMA) directed therapies including chimeric antigen receptor- T (CART) such as idecabtagene vicleucel (ide-cel) and ciltacabtagene autoleucel (cilta-cel) have been approved since 2021. More recently in 2022, the first BCMA-directed T-cell-engager (TCE), teclistamab (tec), was also approved for the treatment of relapsed/ refractory multiple myeloma (RRMM). Unfortunately, limited access to these therapies worldwide appears to be a major challenge. This study aims to gain insight into the variation in access to these therapies, and barriers to access. Methods: This study was an electronic survey of 176 hematologists/oncologists in centers across the globe outside the USA who treat MM and was conducted in collaboration with US Myeloma Innovations Research Collaborative (USMIRC). The survey was distributed from June 18 th 2023, to July 15 th 2023. Sections included demographics of respondents, availability of drugs in the country, and barriers to access. The respondents categorized each medication as “easily accessible”, “moderately accessible,” “not readily accessible” or “no access”. To categorize a country/region as having “adequate access”, the cut-off was 60% of responders affirming easy/moderately easy access. We investigated whether higher healthcare spending in a country is associated with better drug accessibility. Health expenditure (HE) of a country's Gross domestic product (GDP) from the World Bank was utilized to categorize countries into two groups: “High healthcare investing nations” (HHIN), which included countries spending >10% of their GDP on healthcare, while “Low healthcare investing nations” (LHIN) included countries spending <10% on healthcare. An interim analysis is reported. Results: There were 95 (54%) completed responses from 33 countries. Most (51%) were university-based academic centers and only 17% were centers with a dedicated focus in plasma cell disorders. Only 17% reported adequate access to ide-cel and 16% to cilta-cel, while a limited, yet higher number of respondents had adequate access to tec (23%). Refer to Table 1 Access to CART (ide-cel and cilta-cel): Globally, only 3 of the 33 (9%) countries had access to ide-cel, cilta-cel or both (France, Morocco, Saudi-Arabia). All other countries had limited access. When grouped by continent, none of the continents had adequate access to CART. Both HHIN and LHIN countries had limited access to CART. Access to TCE (tec): Seven of the 33 (21%) countries had adequate access to tec (Switzerland, Netherlands, France, Portugal, Czech Republic, Morrocco, Saudi Arabia). All other countries had limited access. When grouped by continent, although Europe had the most access, none of the continents had adequate access to TEC. Both HHIN and LHIN countries had limited access to TCE, although relatively, TEC was more accessible compared to CART. Figure 1 summarizes access to CART and TCE Barriers to access: Other than Europe, the most common barrier for ide-cel, cilta-cel and tec was cited as financial burden for patients. Financial burden for patients as a top barrier for each of the products by continent was as follows: Asia (83%), South America (64%), Africa (71%) Australia (100%), and North America (100%). In Europe, for CART, financial burden remained a top barrier (50%) along with local agency approval (50% for ide-cel, 44% for cilta-cel). In Europe, the most cited barrier for TCE was the financial burden for patients (44%), while (33%) of oncologists reported no barrier to TCE. Reimbursement for CART and TCE in Europe requires phase 3 randomized controlled trial data, which is just emerging since 2022 for CART and relatively increased access may be due to the presence of compassionate use programs. Conclusion : The survey is the first attempt to highlight the significantly limited global access to novel therapies (ide-cel, cilta-cel, and tec) for the treatment of RRMM. All continents including HHIN had limited access to CART and TCE. Noticeably, CART is less accessible than TCE, even though approved earlier. The main barrier to both CART and TCE is reported as financial burden for patients. USMIRC in collaboration with oncologists worldwide, global agencies, governments, regulatory agencies, policymakers and industry partners, is planning to further explore restrictions to access to CART and TCE and strategies to overcome these barriers.
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T Cell Therapy,Chimeric Antigen Receptor
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要点】:研究开发并评估了一种自动化内镜工具插入和传递设备“INSERTrument”,以减少内镜医师在操作过程中经历的 ergonomic strain,并显著降低手腕动作和不良姿势的风险。

方法】:通过在猪模型上进行活体胃内镜下黏膜剥离术(ESD),并由两位经验丰富的内镜医师操作,使用惯性测量单位(IMUs)来客观分析手腕关节角度,对比评估了INSERTrument与传统手动方法。

实验】:在活体猪模型上进行了ESD操作实验,使用的数据集包括手腕关节角度的IMU数据。实验结果显示,INSERTrument在每次工具交换和整个ESD过程中显著减少了手腕的快速摆动次数和不良姿势的时间百分比,同时减少了工具交换的总时间。