Clinical Research Directory
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146 clinical studies listed.
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Tundra lists 146 Colorectal Neoplasms clinical trials. Each listing includes eligibility criteria, study locations, and direct links to research sites in the Tundra directory.
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NCT07715903
Hepatic Artery Infusion of Carfilzomib in Participants With Liver Metastatic Disease Previously Treated With Hepatic Artery Infusion Pump Therapy
Background: Cancers that begin in the colon, adrenal glands, or bile ducts may spread to the liver. These liver tumors are often treated using a hepatic artery infusion (HAI) pump. The HAI pump is installed in the artery that goes to the liver; drugs are administered directly to the liver through this pump. But these tumors often return after treatment. Carfilzomib (CFZ) is a drug approved to treat another kind of cancer. Researchers want to find out if this drug may be helpful when administered through the HAI pump directly to the liver for people with colon, adrenal glands, or bile duct cancer that has spread to the liver. Objective: To test the safety of carfilzomib (CFZ) delivered via a hepatic artery infusion (HAI) pump directly to the liver in people with cancer in their liver. Eligibility: People aged 18 years or older with cancers of the colon, adrenal glands, or bile ducts that spread to the liver and persist after treatment. They must have a functioning hepatic artery infusion (HAI) pump in place from previous treatment of HAI pump therapy. Design: Participants will be screened. They will have a physical exam, blood tests, imaging scans, and a test of their heart function. They will also have a test to show how the blood flows through their liver: A radioactive substance will be injected into a vein, and a special camera will take pictures of the blood flow for up to 1 hour. Participants will receive the study drug for about 6 months. They will visit the clinic once a week. Their HAI pump will be filled with the drug at each visit; the drug will slowly drain from the pump into the liver. Blood tests and imaging scans will be repeated during the study. Participants will have follow-up visits 1 and 3 months after their last dose of study drug. An optional liver biopsy (tissue sample) for research purposes may be done before the study drug is given, and again (optional) within 28 days after first receiving the study drug. Individuals may participate in the study even if they do not agree to have the biopsies done. ...
Gender: All
Ages: 18 Years - 120 Years
Updated: 2026-09-11
1 state
NCT07814417
A Study of Olomorasib (LY3537982) in Participants With Advanced Colorectal Cancer and a KRAS G12C Mutation
The main purpose of this study is to evaluate how well olomorasib is tolerated and what side effects may occur when combined with other interventions in participants with Kirsten rat sarcoma viral oncogene homolog (KRAS) G12C-mutant, locally advanced colorectal cancer (CRC) that cannot be removed with surgery or has spread to other parts of the body. Blood tests will be performed to investigate how the body processes the study drug.
Gender: All
Ages: 18 Years - Any
Updated: 2026-09-11
NCT07811453
Liver Transplantation for Non-Resectable Colorectal Liver Metastases Without Local Treatment Options
Patients whose colorectal cancer has spread to the liver, and whose liver metastases cannot be removed by surgery or destroyed by ablation, currently receive palliative chemotherapy in Germany. Fewer than one in ten of these patients survive five years. International studies have shown that replacing the whole liver by transplantation can achieve much longer survival in carefully selected patients, because removing the entire liver removes all of the tumour when the disease is confined to it. The TransMet trial reported five-year survival of 57% with transplantation plus chemotherapy, compared with 13% for chemotherapy alone. This approach is not yet available in German routine care, where liver transplantation for this indication is permitted only within a clinical study. GTO-001 will enrol approximately 260 adults aged 18 to 65 years with colorectal liver metastases that are confined to the liver, that cannot be removed or ablated, and that have remained stable or improved for at least six months on chemotherapy. Every participant is assessed by a newly established National Tumor Board for Transplant Oncology, which meets monthly, reviews the imaging and case independently of the local centre, and decides whether the patient may be listed for transplantation. Patients who are approved are listed with a study-specific priority status, continue their chemotherapy while they wait, and undergo a surgical inspection of the abdomen at the start of the transplant operation to confirm that the cancer has not spread outside the liver. Participants who are not listed, or in whom transplantation is not performed, remain in the study and are followed in the same way. The main question is how many patients are alive five years after transplantation. The study also measures how many of the patients assessed are eventually listed and transplanted, how many leave the waiting list because their disease progresses or becomes operable, survival after each of the treatments patients actually receive, how well the transplanted livers function, and complications after surgery. Because the study follows everyone who is assessed, it will also establish for the first time how many patients in Germany genuinely qualify for this treatment. Participants are followed for five years after transplantation; the study runs until 2036.
Gender: All
Ages: 18 Years - 65 Years
Updated: 2026-09-10
1 state
NCT01915225
Obtaining Solid Tumor Tissue From People Having Biopsy or Surgery for Certain Types of Cancer
Background: \- Recent advances in cancer research have led to new therapies to treat the disease. It is important to continue these advances and discover new ones. To do that, researchers need tissue samples from solid tumors. This study will collect such samples from people already scheduled to have a procedure at the National Institutes of Health Clinical Center (NIHCC). Objectives: \- To collect tissue samples for use in studying new ways to treat tumors. Eligibility: * Adults 18 years and older, with a precancerous or cancerous solid tumor who are scheduled to have surgery or a biopsy at the NIHCC. * Children under the age of 18 but who are older than 2 years of age are eligible to be enrolled on the research sample collection portion of this study if they will have a biopsy or surgery as part of their medical care. Design: * Before their procedure, participants will have a small blood sample taken. * Some participants will undergo leukapheresis. In this procedure, blood is removed through a tube in one arm and circulated through a machine that removes white blood cells. The blood, minus the white blood cells, is returned through a tube in the other arm. The procedure takes 3-4 hours. * For all participants, during the surgery or biopsy, pieces of the tumor and pieces of normal tissue near it will be removed for this study. The rest of the tumor or precancerous growth will be sent to a lab for analysis. * Participants will return to the clinic about 6 weeks after the operation for a routine checkup. Some may have to return for additional follow-up.
Gender: All
Ages: 2 Years - Any
Updated: 2026-09-08
1 state
NCT07114601
A Study of LY4257496 in Participants With Cancer (OMNIRAY)
The main purpose of this study is to evaluate safety, tolerability, and efficacy of LY4257496 alone and as part of relevant standard of care (SOC) combination therapy in participants with Gastrin-releasing Peptide Receptor (GRPR)-positive advanced cancer, including but not limited to breast, colorectal, prostate, endometrial, esophageal, gastroesophageal (GE) junction, and gastric cancer. The study will also evaluate the safety, tolerability, and efficacy of LY4257529 to identify cancer with high levels of a protein called GRPR. This is a 2-part study. Participation could last up to 36 weeks or until your tumor progresses.
Gender: All
Ages: 18 Years - Any
Updated: 2026-09-04
9 states
NCT07213791
A Study of LY4337713 in Participants With FAP-Positive Solid Tumors
This is a study of LY4337713 in participants with certain types of cancer that is advanced or has spread. Participants must have cancer with high levels of a protein called fibroblast activation protein (FAP). The purpose of this study is to evaluate safety, side effects, and efficacy of LY4337713. In addition, this study will evaluate how much LY4337713 gets into the bloodstream, how it is broken down, and how long it takes the body to get rid of it. For each participant, the study will last about 5 years.
Gender: All
Ages: 18 Years - Any
Updated: 2026-09-04
13 states
NCT06400472
A Study of Sofe-M in Participants With Selected Advanced Solid Tumors
The purpose of this study is to find out whether the study drug, Sofetabart Mipitecan (LY4170156), is safe, tolerable and effective in participants with advanced solid tumors. The study is conducted in three parts - phase Ia (dose-escalation, dose-optimization), phase Ib (dose-expansion), and phase 2 (dose expansion). The study will last up to approximately 5 years.
Gender: All
Ages: 18 Years - Any
Updated: 2026-09-04
8 states
NCT05868226
PRE-ISPY Phase I/II Oncology Platform Program
PRE-ISPY Phase I/II (I-SPY-P1) is an open-label, multisite platform study with multiple ongoing drug regimen arms added by protocol amendment which is designed to evaluate single agents or combinations in locally advanced, incurable, or metastatic solid tumors and/or oligometastatic malignancy and/or a high risk of recurrence following prior treatment with curative intent. The overall goal is moving promising drug regimens into a larger phase II (or III) trial and in general could feed the neoadjuvant breast I-SPY 2 Trial (NCT01042379) and/or other oncology solid tumor trial in a timely manner.
Gender: All
Ages: 18 Years - Any
Updated: 2026-09-02
7 states
NCT05286814
PDS01ADC in Combination With Hepatic Artery Infusion Pump (HAIP) and Systemic Therapy for Subjects With Metastatic Colorectal Cancer, Intrahepatic Cholangiocarcinoma, or Metastatic Adrenocortical Carcinoma
Background: One way to treat liver cancer is to deliver chemotherapy drugs only to the liver (and not to the whole body). Researchers want to see if adding the drug PDS01ADC can improve the treatment. The drug triggers the immune system to fight cancer.\<TAB\> Objective: To see if treatment with HAIPs to deliver liver-directed FUDR and Dexamethasone chemotherapy in combination with PDS01ADC is effective for certain cancers. Eligibility: People aged 18 and older who have cancer of the bile ducts that is only in the liver, or colorectal cancer that has spread to the liver, or cancer of the adrenal glands that has spread to the liver, who are also receiving or planning to receive standard systemic chemotherapy for their disease. Design: Participants will be screened with: Medical history Physical exam Blood tests Pregnancy test (if needed) Tumor biopsy (if needed) Electrocardiogram Computed tomography (CT) scans Participants will have an abdominal operation. A catheter will be placed into an artery that feeds blood to the liver. The catheter will then be attached to the HAIP. The HAIP will lay under the skin on the left side of the abdomen. All participants will have liver-directed FUDR and Dexamethasone chemotherapy drugs or heparin with saline infused into the HAIP every 2 weeks. PDS01ADC will be injected under the skin every 4 weeks. They will receive this treatment until their cancer gets worse or they have bad side effects. Participants will also receive standard systemic chemotherapy for their disease, assigned based on diagnosis, through an IV by their medical oncologist (at NIH or by a local provider) every 2 weeks. Participants will have 2 study visits at NIH each month. They will have CT scans every 8 weeks. At visits, they will repeat some screening tests. Participants will have a follow-up visit 1 month after treatment ends. Then they will be contacted every 6 months for 5 years.
Gender: All
Ages: 18 Years - 120 Years
Updated: 2026-09-02
1 state
NCT06805123
Early Feeding Versus Delayed Feeding After Colorectal Endoscopic Submucosal Dissection
Currently, there are no clear guidelines regarding the optimal timing for dietary restart after gastrointestinal endoscopic submucosal dissection (ESD). While several studies have addressed upper gastrointestinal ESD, a meta-analysis reported that early feeding, initiated within one day after the procedure, showed no statistically significant difference in complication rates compared to delayed feeding initiated after two or more days. Moreover, early feeding was associated with shorter hospital stays and higher patient satisfaction. However, to the best of our knowledge, no studies have investigated early feeding in colorectal ESD. On the other hand, in the context of surgical procedures involving the gastrointestinal tract, several studies suggest that early feeding may offer clinical advantages over delayed feeding. The aim of this study is to explore the optimal timing for dietary restart following colorectal ESD. In the early feeding group (\<24 hours), patients begin water intake if no abnormalities are observed during a follow-up examination conducted two hours post-procedure. If no further issues arise after an additional two hours, a liquid diet is initiated. In contrast, the delayed feeding group (\>24 hours) maintains fasting on the day of the procedure and begins a liquid diet the following day. The study will compare the early and delayed feeding groups in terms of early post-procedural adverse events (occurring within 24 hours after the procedure)(e.g., bleeding, perforation, post-coagulation syndrome), patient satisfaction, and delayed post-procedural adverse events (occurring more than 24 hours after the procedure).
Gender: All
Ages: 19 Years - Any
Updated: 2026-09-01
NCT07797361
Evaluation of Versatile Intelligent Staining Technology (VIST) and Spectral Flexible Imaging (SFI) for Detection and Optical Characterization of Colorectal Lesions: A Prospective Randomized Controlled Study
This prospective randomized controlled study aims to evaluate the diagnostic accuracy of Versatile Intelligent Staining Technology (VIST) and Spectral Flexible Imaging (SFI) for detection and optical characterization of colorectal lesions during colonoscopy. The performance of VIST and SFI will be compared with high-definition white light endoscopy (WLE), using histopathology as the reference standard and established endoscopic classifications (Paris, Kudo, and JNET). The study will also assess adenoma detection rate, serrated lesion detection, inter- and intraobserver agreement, and procedure-related metrics.
Gender: All
Ages: 18 Years - Any
Updated: 2026-09-01
1 state
NCT06750094
A Study of Amivantamab and FOLFIRI Versus Cetuximab/Bevacizumab and FOLFIRI in Participants With KRAS/NRAS and BRAF Wild-type Colorectal Cancer Who Have Previously Received Chemotherapy
The purpose of this study is to compare how long the participants are disease-free (progression-free survival) and and the length of time until a participant dies (overall survival), when treated with amivantamab and chemotherapy with 5-fluorouracil, leucovorin calcium (folinic acid) or levoleucovorin, and irinotecan hydrochloride (FOLFIRI) versus either cetuximab or bevacizumab and FOLFIRI given to participants with Kirsten rat sarcoma viral oncogene/ neuroblastoma RAS viral oncogene homolog (KRAS/ NRAS) and v-raf murine sarcoma viral oncogene homolog B (BRAF) wild-type recurrent, unresectable or metastatic colorectal cancer who have previously received chemotherapy.
Gender: All
Ages: 18 Years - Any
Updated: 2026-08-28
27 states
NCT06663319
A Study of JNJ-89402638 for Metastatic Colorectal and Gastric Cancers
The purpose of this study is to determine the putative recommended phase 2 dose(s) (RP2Ds) and best way to take (optimal route of administration) JNJ-89402638 and to determine the safety of JNJ-89402638 at the RP2D(s) in participants with metastatic colorectal cancer (mCRC) and metastatic gastric cancer (mGAC) and to determine the safety and tolerability of JNJ-89402638 in combination with bevacizumab or biosimilar with or without chemotherapy in participants with mCRC.
Gender: All
Ages: 18 Years - Any
Updated: 2026-08-28
6 states
NCT06662786
A Study of Amivantamab and mFOLFOX6 or FOLFIRI Versus Cetuximab and mFOLFOX6 or FOLFIRI as First-line Treatment in Participants With KRAS/NRAS and BRAF Wild-type Unresectable or Metastatic Left-sided Colorectal Cancer
The purpose of this study is to compare how long the participants are disease-free (progression-free survival) when treated with amivantamab and chemotherapy with 5-fluorouracil, leucovorin calcium (folinic acid) or levoleucovorin, oxaliplatin (mFOLFOX6) or 5-fluorouracil, leucovorin calcium (folinic acid) or levoleucovorin, and irinotecan hydrochloride (FOLFIRI) versus cetuximab and mFOLFOX6 or FOLFIRI in adult participants with Kirsten rat sarcoma viral oncogene homolog (KRAS)/ Neuroblastoma RAS viral oncogene homolog (NRAS) and v-Raf murine sarcoma viral oncogene homolog B1 (BRAF) wild type (WT) unresectable or metastatic left-sided colorectal cancer.
Gender: All
Ages: 18 Years - Any
Updated: 2026-08-28
34 states
NCT04222413
Metarrestin (ML-246) in Subjects With Metastatic Solid Tumors
Background: Metastasis is the spread of cancer from one organ to a nonadjacent organ. It causes 90% of cancer deaths. No treatment specifically prevents or reduces metastasis. Researchers hope a new drug can help. It stops cancer cells from growing and spreading further and possibly shrink cancer lesions in distant organs. Objective: To find a safe dose of metarrestin and to see if this dose shrinks tumors. Eligibility: Adults age 18 and older with pancreatic cancer, breast cancer, or a solid tumor that has not been cured by standard therapies. Also, children age 12-17 with a solid tumor (other than a muscle tumor) with no standard therapy options. Design: Participants will be screened with: * blood tests * physical exam * documentation of disease confirmation or tumor biopsy * electrocardiogram to evaluate the heart * review of their medicines and their ability to do their normal activities Participants will take metarrestin by mouth until they cannot tolerate it or stop to benefit from it. They will keep a medicine diary. Participants will visit the Clinical Center. During the first month there are two brief hospital stays required with visits weekly or every other week thereafter. They will repeat some of the screening tests. They will fill out questionnaires. They will have tests of their cognitive function. They will have an electroencephalogram to record brain activity. They will have a computed tomography (CT) scan or magnetic resonance imaging (MRI). A CT is a series of X-rays of the body. An MRI uses magnets and radio waves to take pictures of the body. Adult participants may have tumor biopsies. Participants will have a follow-up visit 30 days after treatment ends. Then they will have follow-up phone calls or emails every 6 months for the rest of their life or until the study ends.
Gender: All
Ages: 12 Years - 120 Years
Updated: 2026-08-27
2 states
NCT05754229
Accuracy of Real Time Characterization in Artificial Intelligence-assisted Colonoscopy
The goal of this substudy is to investigate the accuracy of a computer-aided polyp characterization (CADx) system. The main question\[s\] it aims to answer are: • How high is the specificity of the AI system when characterizing colorectal polyps Participants will receive a standard colonoscopy, assisted by the artificial intelligence (AI) assisted system GI Genius. Researchers will compare the AI system´s characterization with the histopathology to see how accurate the system is.
Gender: All
Ages: 18 Years - Any
Updated: 2026-08-27
NCT05328908
A Study of Nivolumab-relatlimab Fixed-dose Combination Versus Regorafenib or TAS-102 in Participants With Later-lines of Metastatic Colorectal Cancer
The purpose of this study is to evaluate relatlimab in combination with nivolumab, administered as a fixed-dose combination (nivolumab-relatlimab FDC, also referred to as BMS-986213) for the treatment of non-microsatellite instability high (MSI-H)/deficient mismatch repair (dMMR) metastatic colorectal cancer (mCRC) participants who failed at least 1 but no more than 4 prior lines of therapy for metastatic disease.
Gender: All
Ages: 18 Years - Any
Updated: 2026-08-26
69 states
NCT07378930
ULTRA-high-risk Surveillance to Avoid Future Events: the ULTRA-SAFE Trial
The ULTRA-SAFE clinical trial is a prospective, randomized study designed to address the limitations of current "one-size-fits-all" colorectal cancer surveillance guidelines. While international standards recommend a three-year follow-up colonoscopy for all high-risk patients, data suggests that those with multiple advanced adenomas face a significantly higher recurrence risk (20%) compared to those with only low-risk adenomas (9%). To provide more personalized care, the trial compares a Standard Arm (colonoscopy at year three) against a FIT Arm, where participants undergo annual fecal immunochemical testing in years one and two. A positive FIT triggers an earlier colonoscopy, with the goal of reducing the 3-year prevalence of metachronous advanced colorectal neoplasms (meta-ACRN) from 20% to approximately 12.7%. The study has enrolled roughly 940 participants to statistically validate whether this early screening intervention can effectively prevent future malignant events in ultra-high-risk populations.
Gender: All
Ages: 40 Years - 75 Years
Updated: 2026-08-26
1 state
NCT07784114
Incremental Value of Traditional Chinese Medicine Features in Two-Stage Pre-Endoscopic Prediction
This observational study evaluates whether adding Traditional Chinese Medicine (TCM)-related clinical features improves the performance of machine-learning models that estimate disease risk before colonoscopy. We compare two modeling strategies that use the same sequential (two-stage) framework: Western-only models, based on demographic, clinical, and laboratory information commonly used in Western medicine. TCM-integrated models, which use the same types of Western information plus structured TCM features. Stage 1 aims to distinguish people more likely to have functional bowel problems from those more likely to have inflammatory or neoplastic colorectal disease. Stage 2 focuses on people in the higher-risk pathway and aims to distinguish ulcerative colitis from other inflammatory or neoplastic conditions. Models are developed in one dataset and tested in independent external data from other centers. We assess discrimination (including AUC), clinical usefulness with decision-curve analysis, and which TCM features contribute most in the integrated models. This study does not assign treatments. It analyzes existing clinical information to support future pre-endoscopic triage research. Results will not replace colonoscopy or clinician judgment.
Gender: All
Ages: 18 Years - 85 Years
Updated: 2026-08-25
NCT07629960
A First-in-Human Trial of BLU-924 (SAR449336) in Advanced Solid Tumors Harboring KRAS Mutations
A first in human study to evaluate the safety, tolerability, pharmacokinetics, and antitumor activity of BLU-924 / SAR449336, a pan-KRAS inhibitor, in participants with advanced Pancreatic Cancer, Non-Small Cell Lung Cancer, or Colorectal Cancer harboring KRAS mutations.
Gender: All
Ages: 18 Years - Any
Updated: 2026-08-24
2 states
NCT05148494
TES RCT Fleet Enema vs Oral Mechanical Bowel Prep
There is no consensus about the best bowel preparation prior to transanal endoscopic surgery TES). Cleanliness and visibility in the rectosigmoid and rectum are of utmost importance, possibly even more so than during colonoscopy, to facilitate safe, precise and efficient resection of the rectal lesion and potentially adequate closure of the defect. Both Fleet enemas and oral mechanical bowel preparation are considered standard of care in preparation for TES. This single center two arm single blinded randomized controlled trial will compare the effectiveness of Fleet enemas in comparison to Pico Salax oral mechanical bowel preparation in cleansing the rectum as measured by a modified version of the Ottawa Bowel Prep Scale.
Gender: All
Ages: 18 Years - 75 Years
Updated: 2026-08-21
1 state
NCT07440290
DETERMINE Trial Treatment Arm 07: Dabrafenib in Combination With Trametinib in Adult, Paediatric and Teenage/Young Adult Patients With BRAF V600 Mutation-Positive Cancers.
This clinical trial is looking at two drugs called dabrafenib and trametinib. Dabrafenib and trametinib are approved as standard of care treatment for adult patients with melanoma (a type of skin cancer) or lung cancer and in children with glioma (a type of brain tumour). This means they have gone through clinical trials and been approved by the Medicines and Healthcare products Regulatory Agency (MHRA) in the UK. Dabrafenib and trametinib work in patients with a particular mutation in their cancer known as BRAF V600. Investigators now wish to find out if they will be useful in treating patients with other cancer types which have the same mutation. If the results are positive, the study team will work with the NHS and the Cancer Drugs Fund to see if these drugs can be routinely accessed for patients in the future. This trial is part of a trial programme called DETERMINE. The programme will also look at other anti-cancer drugs in the same way, through matching the drug to rare cancer types or ones with specific mutations.
Gender: All
Ages: 1 Year - Any
Updated: 2026-08-17
NCT02484404
Phase I/II Study of the Anti-Programmed Death Ligand-1 Durvalumab Antibody (MEDI4736) in Combination With Olaparib and/or Cediranib for Advanced Solid Tumors and Advanced or Recurrent Ovarian, Triple Negative Breast, Lung, Prostate and Colorectal Can...
Background: \- Durvalumab is a drug that may help people s immune systems respond to and kill cancer cells. Olaparib is a drug that may inhibit repairing DNA damage of cancer cells. Cediranib is a drug that may stop the blood vessel growth of cancer cells. This study has two components. In the phase 1 component of the study, researchers want to investigate how well participants tolerate the combination of these drugs in treating advanced solid tumors, and in the phase 2 part of this study, researchers want to study if the combination treatments are effective in ovarian cancer. Objectives: \- Phase 2 part of the study: To determine how effective this combination is in treating ovarian cancer. Eligibility: \- Phase 2 part of the study: Adults age 18 or older with advanced or recurrent ovarian cancer that has no standard treatment. Design: * Participants will be screened with medical history, physical exam, and blood and urine tests. They will have CT or MRI scans. For these, they will lie in a machine that takes pictures of their bodies. * Phase 2 part of the study requests the participants to have tumor samples removed. * Participants will get Durvalumab through an IV. A small plastic tube will be inserted into a vein. The drug will be given every 4 weeks until disease progression. * Participants will take olaparib or cediranib by mouth every day. * Every 28 days will be 1 cycle. For cycle 1, participants will have 2 study visits. All other cycles, they will have 1 visit. At these visits, they will repeat the screening procedures. * Patients will keep a drug and diarrhea diary. * Patients on cediranib will monitor their blood pressure and keep a blood pressure diary. * Participants who can become pregnant, or have a partner who can become pregnant, must practice an effective form of birth control. * After 12 cycles, participants will have 1-3 months of follow-up.
Gender: All
Ages: 18 Years - 99 Years
Updated: 2026-08-17
1 state
NCT07222800
Symbiotic-GI-03: A Study to Learn About the Study Medicine Called PF-08634404 in Combination With Chemotherapy in Adult Participants With Metastatic Colorectal Cancer
The purpose of this study is to learn more about a new medicine called PF-08634404, and how well it works in people with cancer of the colon or rectum (CRC)). The goal is to understand if the new study medicine, combined with chemotherapy that is approved for colorectal cancer, can help people whose cancer has spread or returned after treatments taken before. To join the study, participants must meet the following conditions: * Be 18 years or older. * Have colorectal cancer that has spread to other parts of your body. * Be in good enough health to receive study treatment. * Should not be pregnant before starting treatment. Participants will be randomized (like flipping a coin) to one of 2 different treatment arms. The first arm (Arm A) will include the new medicine PF-08634404 in combination with chemotherapy that is approved for colorectal cancer, and the second arm (Arm B) will include an approved medicine for colorectal cancer, called Bevacizumab, in combination with chemotherapy that is approved for this type of cancer. Participants and their doctors will not know which arm they are being assigned to. Participants will receive all the study medications through intravenous (IV) infusions, which means the medicine is given directly into a vein. The treatment will be given in cycles, and participants may continue receiving it if it is helping and they are not experiencing serious side effects. The medicine will be given at a clinical site, where trained medical staff will check participants during and after each treatment. * The study is expected to last approximately 33 months for each participant. * Participants will have regular visits to the study site for treatment, health checks, and tests. * After stopping treatment, participants will return for a final visit about 30 to37 days later to check their health and review any side effects. * Follow-up will continue every 12 weeks by phone or in person or by reviewing health records to check on health status and any new treatments.
Gender: All
Ages: 18 Years - Any
Updated: 2026-08-17
77 states