A Patient-Derived 3D Bioprinted Colorectal Cancer-Stroma-Immune Triad Model Uncovers Microenvironmental Mechanisms of Chemoresistance and Immune Evasion
Construction of a 3D Multicellular Bioprinted Human Colorectal Cancer Immune-Stromal Microenvironment Model and Its Clinical Translational Research
Colorectal cancer (CRC) has shifted toward a patient-personalized precision medicine paradigm; however, the high heterogeneity and complex tumor microenvironment (TME) of CRC restrict the development of individualized therapy, and existing preclinical models and multi-omics technologies are insufficient to broadly benefit patients. Building on previous research, this project intends to use 3D multicellular bioprinting (3DMP) to incorporate key TME components-cancer-associated fibroblasts (CAFs) and PBMC immune cells-to construct patient-derived CRC-CAFs/PBMC 3DMP models, aiming to apply them to personalized clinical drug screening and prognosis prediction, and to combine them with multi-omics technologies to advance preclinical research on CRC. The implementation of this study will help address the bottleneck of the lack of broadly applicable preclinical models for advancing CRC precision therapy. It has major clinical translational value, will bring significant changes to CRC preclinical research platforms, and will help promote the development of cancer precision medicine.
調査の概要
研究の種類
入学 (推定)
連絡先と場所
研究連絡先
- 名前：Yilei Mao, MD PHD
- 電話番号：8600-010-69156042
- メール：pumch-liver@hotmail.com
研究場所
-
-
Zhejiang
-
Ningbo、Zhejiang、中国
- 募集
- Ningbo Medical Center Lihuili Hospital
-
コンタクト：
- Zhou Bo
- 電話番号：8600-0574-87018701
- メール：1955729746@qq.com
-
-
参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
サンプリング方法
調査対象母集団
Clinically and pathologically proven colorectal cancer patients are considered as potential candidates of this study. Medical history will be thouroughly taken by clincal practicitioners. Only patients older than 18 years will be included. Those with medical hostory of other malignancies or serious diseases will be excluded. Patients who are not able to sign the informed consent independently will not be included in this study. All the patients included in this study will receive adjuvant/neoadjuvant chemotherapy and surgical resection for the treatment of CRC.
説明
Inclusion Criteria:
- More than 18 years old
- Diagnosed as colorectal cancer with or without liver metastases before
- Pathologically proven colorectal cancer after surgery
Exclusion Criteria:
- Medical history with other malignancies or serious diseases
- Disable to sign the informed consent independently
研究計画
研究はどのように設計されていますか？
デザインの詳細
- 観測モデル：COHORT
- 時間の展望：PROSPECTIVE
コホートと介入
グループ/コホート |
介入・治療 |
|---|---|
|
Patients with colorectal cancer who underwent surgical resection received adjuvant chemotherapy
Surgical resection will be performed for locoregional lesions. Regimens of adjuvant chemotherapy are directed by clinical guidance and experience. |
Surgical resection will be performed for locoregional lesions. Regimens of adjuvant chemotherapy are directed by clinical guidance and experience. |
この研究は何を測定していますか？
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Response of 3D tumor models/organoids to the same chemotherapy drugs as the corresponding patients.
時間枠：2025.05-2026.12
|
The investigators will establish and culture 3D colorectal cancer models and organoids. The 3D models and organoids will be treated with the same chemotherapy drugs as the corresponding patients. The viability of the 3D tumor models and organoids will be observed after treatment and the IC50 of each drug will be calculated. The correlation of 3D model/organoid sensitivity and the patient response will be analyzed. |
2025.05-2026.12
|
その他の成果指標
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Response of the colorectal cancer patients to adjuvant chemotherapy.
時間枠：2025.05-2026.12
|
The response to adjuvant chemotherapy will be evaluated according to PFS. Regular follow-ups will be conducted, and PFS is difined as the interval between the date of surgery and the date of last follow-up or recurrence/progression. |
2025.05-2026.12
|
協力者と研究者
捜査官
- 主任研究者：Yilei Mao, MD PHD、Peking Union Medical College Hospital
研究記録日
主要日程の研究
研究開始 (実際)
一次修了 (推定)
研究の完了 (推定)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (実際)
学習記録の更新
投稿された最後の更新 (実際)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
本研究に関する用語
キーワード
追加の関連 MeSH 用語
その他の研究ID番号
- CRC-CAFs-3DP-Bioprint
個々の参加者データ (IPD) の計画
個々の参加者データ (IPD) を共有する予定はありますか?
IPD プランの説明
Individual participant data (IPD) can be accessed with reasonable requests via e-mail. IPD will be shared after the study is completed.
IPD 共有時間枠
The IPD data will available after the study is completed.
IPD 共有アクセス基準
Data can be accessed via e-mail with reasonable requests.
IPD 共有サポート情報タイプ
- STUDY_PROTOCOL
- SAP
- ICF
- ANALYTIC_CODE
- CSR
医薬品およびデバイス情報、研究文書
米国FDA規制医薬品の研究
米国FDA規制機器製品の研究
この情報は、Web サイト clinicaltrials.gov から変更なしで直接取得したものです。研究の詳細を変更、削除、または更新するリクエストがある場合は、register@clinicaltrials.gov。 までご連絡ください。 clinicaltrials.gov に変更が加えられるとすぐに、ウェブサイトでも自動的に更新されます。