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市場調查報告書
商品編碼
2072284
胃癌:新型療法、未滿足的需求和TPP洞察報告,2026年Gastric Cancer - Emerging Therapy, with Unmet Needs and TPP Insights Report - 2026 |
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Thelansis 的「胃癌:新型療法、未滿足的需求和目標產品概況 (TPP) 洞察報告,2026」對該適應症的關鍵新興療法和主要藥物開發機會進行了全面分析,包括新興的競爭格局、未滿足的需求、目標產品概況 (TPP)、臨床試驗設計以及關鍵意見領袖 (KOL) 的見解。
胃癌是全球第五大常見惡性腫瘤,也是癌症死亡的第三大主要原因。它主要是一種起源於胃黏膜的腺癌,其主要致病因素包括幽門螺旋桿菌病菌感染、飲食致癌物質、吸菸、肥胖以及包括CDH1基因突變在內的遺傳症候群。分子分型包括EBV陽性、微衛星不穩定性高(MSI-H)、染色體不穩定和基因組穩定等亞型,每種亞型的治療意義各異。 HER2擴增見於約15-20%的胃癌和胃食道交界處腺癌,是重要的治療標靶生物標記。患者通常表現為上腹痛、吞嚥困難、早飽、體重減輕和貧血等症狀,由於發病緩慢,許多病例在確診時已晚期。切片檢查診斷需使用上消化道內視鏡切片確診,轉移性病灶及腹膜病灶則需以CT分期、PET顯像及腹腔鏡分期評估。在診斷時,全面的分子譜分析至關重要,包括HER2、MSI、PD-L1 CPS評分和FGFR2狀態。對於可切除的病變,手術全期FLOT化療是公認的標準治療方案。對於HER2陽性進行性胃癌,曲妥珠單抗合併化療是常用的治療方案,在DESTINY-Gastric試驗中,曲妥珠單抗德魯替康作為二線治療方案展現了突破性的療效。對於CPS評分≥5的HER2陰性進行性胃癌,Nivolumab單抗合併化療是公認的第一線治療方案。標靶CLDN18.2的佐貝妥昔單抗化療是CLDN18.2陽性腫瘤一線治療中一項新近核准的重要進展。對於微衛星不穩定性高(MSI-H)的腫瘤,Pembrolizumab免疫療法有效。晚期癌症的預後仍然較差,但為了實現以患者為中心的治療,整合多學科腫瘤委員會評估、營養支持和早期安寧療護至關重要。
Thelansis's "Gastric Cancer Emerging Therapy, with Unmet Needs and TPP Insights Report - 2026" provides a comprehensive analysis of the emerging competitive landscape, unmet needs, target product profiles (TPPs), trial designs, and KOL insights on key emerging therapies and key drug development opportunities in the indication.
Gastric cancer is the fifth most common malignancy and third leading cause of cancer mortality globally, arising predominantly as adenocarcinoma from the gastric mucosa, with Helicobacter pylori infection, dietary carcinogens, tobacco, obesity, and hereditary syndromes including CDH1 germline mutations constituting principal aetiological drivers. Molecular classification encompasses EBV-positive, microsatellite instability-high, chromosomally unstable, and genomically stable subtypes, each carrying distinct therapeutic implications. HER2 amplification occurs in approximately 15-20% of gastric and gastroesophageal junction adenocarcinomas, representing a critical actionable biomarker. Patients present with epigastric pain, dysphagia, early satiety, weight loss, and anaemia, with many diagnosed at advanced stages given insidious onset. Upper endoscopy with biopsy establishes histological diagnosis, while CT staging, PET imaging, and laparoscopic staging address metastatic and peritoneal disease assessment. Comprehensive molecular profiling encompassing HER2, MSI, PD-L1 CPS, and FGFR2 status is mandatory at diagnosis. Perioperative FLOT chemotherapy is the established standard for resectable disease. Advanced HER2-positive gastric cancer is addressed with trastuzumab combined with chemotherapy, with trastuzumab deruxtecan demonstrating transformative second-line efficacy in the DESTINY-Gastric trials. Nivolumab combined with chemotherapy is the established frontline standard for HER2-negative advanced disease with CPS of 5 or above. Zolbetuximab, targeting CLDN18.2, combined with chemotherapy represents a significant newly approved frontline advance for CLDN18.2-positive tumours. MSI-H disease benefits from pembrolizumab immunotherapy. Prognosis remains poor in advanced disease; multidisciplinary tumour board evaluation, nutritional support, and early palliative integration are indispensable to patient-centred care.
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