Molecular Imaging of Melanoma VEGF-expressing Tumors through [99mTc]Tc-HYNIC-Fab(Bevacizumab) DOI
Ximena Camacho, Carolina Perroni, Lucía Alfaya

и другие.

Anti-Cancer Agents in Medicinal Chemistry, Год журнала: 2024, Номер 24(18), С. 1347 - 1359

Опубликована: Авг. 12, 2024

Angiogenesis is a process that many tumors depend on for growth, development, and metastasis. Vascular endothelial growth factor (VEGF) one of the major players in tumor angiogenesis several types, including melanoma. VEGF inhibition achieved by bevacizumab, humanized monoclonal antibody binds with high affinity to prevents its function. In order successfully enable vivo expression imaging murine melanoma model, we previously labeled bevacizumab [

Язык: Английский

C-reactive protein kinetics as prognostic biomarkers in advanced melanoma treated with immune checkpoint inhibitors DOI
Caner Acar, Haydar Çağatay Yüksel, Gökhan Şahin

и другие.

Melanoma Research, Год журнала: 2025, Номер unknown

Опубликована: Апрель 8, 2025

C-reactive protein (CRP) kinetics has emerged as a potential biomarker for predicting treatment response and survival in various tumors treated with immune checkpoint inhibitors (ICIs). However, data on CRP melanoma are limited. This study evaluates the relationship between kinetic groups progression-free (PFS) overall (OS) 104 advanced patients ICIs from 2015 to 2023. Patients were classified into four groups: flare responders, defined whose at least doubles within 1 month then falls below baseline by 3 months; decreases ≥30% months without doubling; all-normal CRP, remains upper limit of normal throughout first nonresponders, who do not meet these criteria. Amongst patients, 64.4% received anti-programmed death-1 monotherapy 35.6% nivolumab-ipilimumab combination. Median PFS was 4.80 10.90 8.83 responders 33.57 ( P < 0.001). Similarly, median OS 11.9 38.1 21.5 54.5 Multivariate analysis confirmed an independent predictor PFS, objective response. classification is simple prognostic tool associated improved outcomes, underscoring clinical value monitoring.

Язык: Английский

Процитировано

0

Clinical Application of ImmunoPET Targeting Checkpoint Inhibitors DOI Open Access
Elisabetta Abenavoli, Flavia Linguanti, Raffaella Calabretta

и другие.

Cancers, Год журнала: 2023, Номер 15(23), С. 5675 - 5675

Опубликована: Ноя. 30, 2023

In the last decade, monoclonal antibodies (mAbs) targeting CTLA-4, PD-1, or PD-L1 have been developed and immune checkpoint inhibitors (ICIs) become main approach in cancer immunotherapy. However, not all patients benefit from ICI therapy some are at risk of developing treatment-induced side-effects. These aspects, parallel with imaging challenges related to response assessments during immunotherapy, driven scientific research discovery new predictive biomarkers individualize who could ICIs. this context, molecular using PET (positron emission tomography), which allows for whole-body tumor visualization, may be a promising non-invasive method determination patients’ sensitivity antibody drugs. Several tracers, diverse 2-[18F]FDG (or 2-Deoxy-2-[18F]fluoroglucose), image checkpoints (ICs) key elements system, although most them still preclinical phases. Herein, we present current state ImmunoPET-targeting IC proteins mAbs fragments, focus on latest developments clinical studies solid tumors. Moreover, given relevance system tumor-infiltrating lymphocytes particular prediction ICIs, dedicate portion review T cells.

Язык: Английский

Процитировано

7

Metabolic Profiling to Assess Response to Targeted and Immune Therapy in Melanoma DOI Open Access
Chantale Farah, Lionel Mignion, Bénédicte F. Jordan

и другие.

International Journal of Molecular Sciences, Год журнала: 2024, Номер 25(3), С. 1725 - 1725

Опубликована: Янв. 31, 2024

There is currently no consensus to determine which advanced melanoma patients will benefit from targeted therapy, immunotherapy, or a combination of both, highlighting the critical need identify early-response biomarkers therapy. The goal this review provide scientific rationale highlight potential role metabolic imaging assess response and/or immune therapy in cancer. For that purpose, brief overview current treatments provided. Then, knowledge with respect metabolism described an emphasis on major crosstalks between cell and signaling pathways involved BRAF-targeted as well checkpoint inhibition therapies. Finally, preclinical clinical studies using profiling treatment are summarized particular focus PET (Positron Emission Tomography) 13C-MRS (Magnetic Resonance Spectroscopy) methods.

Язык: Английский

Процитировано

2

Positron Emission Tomography/Computed Tomography Transformation of Oncology DOI

Sze-Ting Lee,

Natalia N. Kovaleva,

Clare Senko

и другие.

PET Clinics, Год журнала: 2024, Номер 19(2), С. 231 - 248

Опубликована: Янв. 16, 2024

Язык: Английский

Процитировано

1

Targeting anticancer immunity in melanoma tumor microenvironment: Unleashing the potential of adjuvants, drugs, and phytochemicals DOI

Jingping Wang,

Yaping Wang, Xiaofang Jiang

и другие.

Journal of drug targeting, Год журнала: 2024, Номер 32(9), С. 1052 - 1072

Опубликована: Июль 23, 2024

Melanoma poses a challenge in oncology because of its aggressive nature and limited treatment modalities. The tumour microenvironment (TME) melanoma contains unique properties such as an immunosuppressive high-density environment, unusual vasculature, high number stromal cells. In recent years, numerous experiments have focused on boosting the immune system to effectively remove malignant Adjuvants, consisting phytochemicals, toll-like receptor (TLR) agonists, cytokines, shown encouraging results triggering antitumor immunity augmenting therapeutic effectiveness anticancer therapy. These adjuvants can stimulate maturation dendritic cells (DCs) infiltration cytotoxic CD8+ T lymphocytes (CTLs). Furthermore, nanocarriers help deliver immunomodulators antigens directly stroma, thereby improving their efficacy against remodelling TME utilising other be combined with current modalities for therapy outcomes. This review article explores potential adjuvants, drugs, nanoformulations enhancing potency macrophages, CTLs, natural killer (NK) Additionally, capacity these agents repress function components TME, subsets myeloid will discussed.

Язык: Английский

Процитировано

1

Prospective Assessment of Fluorine-18-Fluorodeoxyglucose-Positron Emission Tomography/Computed Tomography (FDG-PET/CT) for Early Identification of Checkpoint-Inhibitor-Induced Pseudoprogression DOI Open Access
Sif Homburg,

Charlotte Birk Christensen,

Magnus Pedersen

и другие.

Cancers, Год журнала: 2024, Номер 16(5), С. 964 - 964

Опубликована: Фев. 27, 2024

The activity of immune checkpoint inhibitors (ICIs) in patients with metastatic melanoma is often monitored using fluorine-18-fluorodeoxyglucose-positron emission tomography/computed tomography (FDG-PET/CT) scans. However, distinguishing disease progression (PD) from pseudoprogression (PsPD), where increased FDG uptake might reflect cell rather than tumor growth, remains a challenge. This prospective study compared the efficacy dual-time point (DTP) FDG-PET/CT modified response criteria (PERCIMT) differentiating PsPD PD. From July 2017-January 2021, 41 suspected to have on an evaluation scan were prospectively included (29 evaluable). A subsequent DTP was conducted within 14 days, followed by confirmatory scan. Additionally, PERCIMT applied. identified 24% and 76% Applying criteria, 69% showed PsPD, while 31% had On follow-up, 10 (34%) demonstrated confirmed 19 (66%) exhibited sensitivity specificity 20% 74%, respectively, for this 80% 37%, respectively. Our findings suggest limited PD ICI-treated melanoma. use could complement clinical assessment be incorporated multidisciplinary team conferences enhanced decision-making.

Язык: Английский

Процитировано

0

Clinical and Imaging Follow-Up for High-Risk Cutaneous Melanoma: Current Evidence and Guidelines DOI Creative Commons
John T. Vetto

Cancers, Год журнала: 2024, Номер 16(14), С. 2572 - 2572

Опубликована: Июль 18, 2024

The most recent (eighth) edition of the American Joint Committee on Cancer (AJCC) staging system divides invasive cutaneous melanoma into two broad groups: “low-risk” (stage IA–IIA) and “high-risk” IIB–IV). While surveillance imaging for high-risk patients makes intuitive sense, supporting data are limited in that they mostly respective used varying methods, schedules, endpoints. As a result, there is lack uniformity across different dermatologic oncologic organizations regarding recommendations follow-up, especially imaging. That said, bulk retrospective prospective support follow-up patients. Currently, it seems either positron emission tomography (PET) or whole-body computerized (CT) reasonable options with brain magnetic resonance (MRI) preferred detection metastases who can undergo it. current era effective systemic therapies (ESTs), which improve disease-free survival (DFS) overall (OS) beyond lead-time bias, has emphasized role detecting various patterns EST response treatment relapse, as well importance radiologic tumor burden.

Язык: Английский

Процитировано

0

Molecular Imaging of Melanoma VEGF-expressing Tumors through [99mTc]Tc-HYNIC-Fab(Bevacizumab) DOI
Ximena Camacho, Carolina Perroni, Lucía Alfaya

и другие.

Anti-Cancer Agents in Medicinal Chemistry, Год журнала: 2024, Номер 24(18), С. 1347 - 1359

Опубликована: Авг. 12, 2024

Angiogenesis is a process that many tumors depend on for growth, development, and metastasis. Vascular endothelial growth factor (VEGF) one of the major players in tumor angiogenesis several types, including melanoma. VEGF inhibition achieved by bevacizumab, humanized monoclonal antibody binds with high affinity to prevents its function. In order successfully enable vivo expression imaging murine melanoma model, we previously labeled bevacizumab [

Язык: Английский

Процитировано

0