Xi An Shi

Researchers are evaluating the cosmetic outcomes and quality of life for breast cancer patients undergoing breast reconstruction using 3D-printed biodegradable material breast implants. This study compares these results with traditional breast-conserving surgery and traditional silicone prosthesis breast reconstruction. It also explores the safety and potential medical issues related to using 3D-printed biodegradable implants for breast reconstruction in patients not suitable for breast-conserving surgery. Participants are divided into three groups one group receives breast reconstruction using 3D-printed biodegradable implants, the second undergoes traditional breast-conserving surgery, and the third has traditional silicone prosthesis breast reconstruction. The trial includes preoperative assessments, imaging with MRI, surgical planning with 3D printing of implants for the experimental group, and surgery according to each groups procedures. Postoperative care includes wound management, systemic therapies such as chemotherapy or endocrine therapy, and radiotherapy based on clinical guidelines. During the study, participants undergo regular follow-up with breast ultrasounds weekly for the first month and monthly thereafter, MRI scans at 3, 6, 12, and 24 months, and patient-reported outcome assessments using the BREAST-Q V2.0 scale to evaluate breast aesthetics, satisfaction, and quality of life. Telephone follow-ups occur monthly, with in-person visits every three months. The primary outcome measured is cosmetic effects and quality of life one year after surgery, alongside safety and long-term survival outcomes up to ten years.

Researchers are evaluating the diagnostic effectiveness of 68Ga-PSMA PET scans compared to enhanced CT scans in detecting metastatic lesions in patients with locally advanced and advanced renal cell carcinoma. The study also aims to see if 68Ga-PSMA PET can influence treatment decisions for these patients. This prospective, multicenter trial is sponsored by Xijing Hospital and focuses on improving diagnosis and management for renal cancer with metastases. Participants in the study will receive both a 68Ga-PSMA PET scan and an enhanced CT scan simultaneously to compare their abilities to detect cancer spread. This diagnostic approach helps assess the additional value that 68Ga-PSMA PET may provide over standard CT imaging. The study does not involve any masking or placebo groups and includes only patients who meet specific clinical and imaging criteria. During the study, patients will undergo imaging within six weeks after diagnosis, and researchers will track how the 68Ga-PSMA PET results affect treatment choices. The primary measurement is the additional diagnostic value of the PSMA PET compared to CT over two years. Secondary outcomes include how often the PET scan changes treatment decisions. The study monitors patient safety and adherence, with a planned follow-up period to evaluate outcomes until December 2027.

Researchers are evaluating the use of a radioactive molecular probe called 99mTc-P137 combined with SPECTCT imaging to improve the diagnosis of prostate cancer. The study aims to enhance early detection, accurate tumor staging, treatment decisions, and prognosis assessment for patients suspected of having prostate cancer. This prospective study compares imaging results to surgical and pathological findings to establish clinical value. Participants will receive an injection of the 99mTc-P137 tracer followed by SPECTCT scans performed 2 hours after injection. Additional imaging findings will be collected up to 7 days after injection to optimize the imaging and diagnostic process. This study focuses on patients planning surgical resection or biopsy, using the probe to detect prostate cancer lesions accurately. During the study, participants will undergo multiple imaging assessments and provide clinical laboratory results including blood tests and PSA levels. Researchers will monitor the diagnostic accuracy of 99mTc-P137 SPECTCT imaging against pathological results. Participants must be able to complete the procedures independently, and their imaging and clinical data will be used to evaluate the probes value in prostate cancer diagnosis and prognosis.

Researchers are evaluating TQB2934, a special antibody designed to target multiple myeloma, a cancer affecting plasma cells. This antibody binds to T cells and cancer cells to activate the immune system to attack the disease. The study is a Phase 1 clinical trial focusing on safety and the bodys handling of the drug in patients with malignant plasma cell tumors. The study involves giving TQB2934 as a subcutaneous injection at doses of 40mg or 60mg. Treatment cycles occur once weekly during the first three cycles, then every two weeks for cycles four to six. If patients achieve a partial remission or better after six cycles, dosing continues every four weeks. Each treatment cycle lasts 28 days. Participants will undergo various assessments including blood tests to measure drug levels and immune response over 120 hours after each dose. Researchers will monitor adverse events for up to 24 months and evaluate treatment responses such as remission rates and survival outcomes. The total study participation includes treatment and long-term safety follow-up lasting up to two years.

Researchers are evaluating the effectiveness and safety of B001 injection in patients who have neuromyelitis optica spectrum disorder NMOSD and test positive for aquaporin-4 antibodies. This condition involves recurrent attacks affecting the nervous system. The study is a multicenter, randomized, double-blind, placebo-controlled trial conducted in phases II and III to understand how well B001 works and how safe it is for these patients. Participants will receive intravenous doses of either B001 or a placebo on Day 1 and Day 15 during the randomized controlled period. The study includes two groups one receiving B001 injections and the other receiving placebo injections matching B001s schedule. The trial will extend over several years, monitoring patients closely for disease relapse and treatment side effects. During the study, participants will be regularly assessed for the time to their first NMOSD attack, changes in disability status, vision acuity, and opticospinal function. Researchers will also observe the annual relapse rate and document any adverse events. The trial includes safety monitoring for about three years to ensure comprehensive data collection on treatment impact and participant health.

Researchers are evaluating the effectiveness and safety of B007 in people with generalized myasthenia gravis, a condition that causes muscle weakness. This randomized, double-blind, placebo-controlled Phase IIIII study aims to understand how well B007 works compared to a placebo in improving daily living activities affected by this condition. Participants will receive either a high or low dose of B007 or a matching placebo through subcutaneous injections on days 1 and 15. The study includes careful monitoring over approximately 16 to 24 weeks to assess changes in symptoms and quality of life, with a safety follow-up lasting about one year. During the trial, participants will be evaluated through various measures including the Myasthenia Gravis-Activities of Daily Living profile, quality of life questionnaires, and composite scores related to the condition. Researchers will also track any side effects or adverse events. The total participation time varies, with key assessments occurring around 16 to 24 weeks and safety monitored for about a year.

Researchers are evaluating the safety and effectiveness of a drug called B007 compared to cyclosporine in treating adults with primary membranous nephropathy, a kidney condition. This study is a multicenter, randomized, controlled, open-label trial conducted in phases II and III to better understand treatment options for this disease. Participants will be randomly assigned to receive either B007 or cyclosporin capsules. B007 is given by subcutaneous injection on days 1 and 15, while cyclosporin capsules are taken orally at a dose of 3.5 mg per kg of body weight per day. The study will observe participants over about two years to assess remission rates and monitor safety. During the trial, participants will undergo laboratory tests and assessments to track overall, complete, and partial remission rates. Researchers will also monitor any treatment-emergent adverse events or serious side effects. Participants must meet specific kidney function criteria and will be followed closely throughout the study period until its completion in late 2026.

Researchers are evaluating if combining the medicines calderasib and subcutaneous pembrolizumab can more effectively treat people with non-small cell lung cancer NSCLC that has a KRAS G12C mutation. The study aims to find out whether patients receiving calderasib with pembrolizumab live longer without their cancer growing or spreading compared to those receiving pembrolizumab with chemotherapy. This is a Phase 3 clinical trial focusing on first-line treatment for advanced or metastatic nonsquamous NSCLC. Participants are assigned to one of two groups. One group receives subcutaneous pembrolizumab plus berahyaluronidase alfa every 6 weeks for up to 18 cycles about 2 years along with oral calderasib until treatment discontinuation criteria are met. The other group receives the same pembrolizumab and berahyaluronidase alfa regimen plus chemotherapy with pemetrexed and either carboplatin or cisplatin infusions during the early cycles. Treatment continues based on individual response and tolerability. During the study, participants will have regular visits for treatment and monitoring. Researchers will assess progression-free survival, overall survival, response rates, and quality of life using questionnaires and symptom scores over several years. Safety will be monitored through adverse event reporting. The trial lasts up to about 7 years with ongoing evaluation of health outcomes and side effects to understand the impact of these treatment combinations.

Researchers are studying treatments for locally advanced or metastatic colorectal cancer mCRC that cannot be removed by surgery and has a specific KRAS G12C gene mutation. This trial aims to evaluate if adding the targeted therapies calderasib and cetuximab to the standard chemotherapy regimen mFOLFOX6 can provide better outcomes compared to mFOLFOX6 with or without bevacizumab. The study focuses on the safety and tolerability of these combinations and whether they can help people live longer without their cancer growing or spreading. Participants will be assigned to one of two groups. One group will receive calderasib orally, cetuximab every two weeks, and mFOLFOX6 chemotherapy including oxaliplatin, leucovorin or levofolinate calcium, and 5-fluorouracil every two weeks. The other group will receive mFOLFOX6 chemotherapy with or without bevacizumab every two weeks, based on the investigators decision. Treatments will continue until certain stopping criteria are met. During the study, participants will be monitored for side effects and treatment tolerance, with regular assessments of cancer progression. Researchers will measure outcomes such as dose-limiting toxicities, adverse events, progression-free survival, and overall survival. Quality of life will also be evaluated through questionnaires. The study may last up to several years, with monitoring continuing for safety and effectiveness throughout the treatment period and follow-up.

Researchers are studying metastatic castration-resistant prostate cancer mCRPC to find new treatment options. This trial evaluates if the study medicine ifinatamab deruxtecan I-DXd or MK-2400 helps people live longer overall and experience slower cancer growth or spread compared to chemotherapy. The study is a Phase 3 trial comparing I-DXd with standard chemotherapy for mCRPC patients. Participants are randomly assigned to receive either I-DXd at 12 mgkg every 3 weeks through intravenous infusion or docetaxel chemotherapy at 75 mgm2 every 3 weeks combined with daily prednisone pills. Treatment continues until the disease progresses, unacceptable side effects occur, or treatment is stopped for other reasons. Premedication is given before each dose of I-DXd to help prevent nausea and vomiting. During the study, participants will have regular visits for treatment and monitoring. Researchers will assess overall survival and radiographic progression-free survival for up to about 36 months. Additional measures include response rates, time to pain progression, PSA progression, and adverse events. The study tracks safety, treatment effects, and quality of life over a long follow-up period to better understand the potential benefits and risks of I-DXd compared to chemotherapy.