Alliance A021502

This randomized phase III trial studies combination chemotherapy and atezolizumab to see how well it works compared with combination chemotherapy alone in treating patients with stage III colon cancer and deficient deoxyribonucleic acid (DNA) mismatch repair. Drugs used in combination chemotherapy, such as oxaliplatin, leucovorin calcium, and fluorouracil, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Monoclonal antibodies, such as atezolizumab, may interfere with the ability of tumor cells to grow and spread. Giving combination chemotherapy with atezolizumab may work better than combination chemotherapy alone in treating patients with colon cancer.

Alliance A021703

This phase III trial studies how well vitamin D3 given with standard chemotherapy and bevacizumab works in treating patients with colorectal cancer that has spread to other parts of the body. Vitamin D3 helps the body use calcium and phosphorus to make strong bones and teeth. Vitamin D3 may also modulate the immune system and is being studied in the prevention and treatment of some types of cancer. Drugs used in chemotherapy, such as leucovorin calcium, fluorouracil, oxaliplatin, and irinotecan hydrochloride, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Bevacizumab is a monoclonal antibody that binds to Vascular Endothelial Growth Factor (VEGF). VEGF is a substance made by cells that helps the formation of new blood vessels. Bevacizumab may prevent the growth of new blood vessels that tumors need to grow. Giving vitamin D3 with chemotherapy and bevacizumab may work better in shrinking or stabilizing colorectal cancer. It is not yet known whether giving high-dose vitamin D3 in addition to chemotherapy and bevacizumab would extend patients time without disease compared to the usual approach (chemotherapy and bevacizumab).

Alliance A021806

This phase III trial compares perioperative chemotherapy (given before and after surgery) versus adjuvant chemotherapy (given after surgery) for the treatment of pancreatic cancer that can be removed by surgery (removable/resectable). Chemotherapy drugs, such as fluorouracil, irinotecan, leucovorin, and oxaliplatin, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving chemotherapy before and after surgery (perioperatively) may work better in treating patients with pancreatic cancer compared to giving chemotherapy after surgery (adjuvantly).

ECOG-ACRIN EA2142

This randomized phase II trial studies how well temozolomide and capecitabine work compared to standard treatment with cisplatin and etoposide in treating patients with neuroendocrine carcinoma of the gastrointestinal tract or pancreas that has spread to other parts of the body (metastatic) or cannot be removed by surgery. Drugs used in chemotherapy, such as temozolomide, capecitabine, cisplatin, and etoposide, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Certain types of neuroendocrine carcinomas may respond better to treatments other than the current standard treatment of cisplatin and etoposide. It is not yet known whether temozolomide and capecitabine may work better than cisplatin and etoposide in treating patients with this type of neuroendocrine carcinoma, called non-small cell neuroendocrine carcinoma.

ECOG-ACRIN EA2165

This randomized phase II clinical trial studies how well nivolumab after combined modality therapy works in treating patients with high risk stage II-IIIB anal cancer. Monoclonal antibodies, such as nivolumab, may interfere with the ability of tumor cells to grow and spread.

ECOG-ACRIN EA2182

This phase II trial studies how well lower-dose chemotherapy plus radiation (chemoradiation) therapy works in comparison to standard-dose chemoradiation in treating patients with early-stage anal cancer. Drugs used in chemotherapy, such as mitomycin, fluorouracil, and capecitabine, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Radiation therapy uses high-energy x-rays to kill tumor cells and shrink tumors. Giving chemotherapy with radiation therapy may kill more tumor cells. This study may help doctors find out if lower-dose chemoradiation is as effective and has fewer side effects than standard-dose chemoradiation, which is the usual approach for treatment of this cancer type.

ECOG-ACRIN EA2183

This phase III trial studies how well the addition of radiotherapy to the usual treatment (chemotherapy) works compared to the usual treatment alone in treating patients with esophageal and gastric cancer that has spread to a limited number of other places in the body (oligometastatic disease). Radiotherapy uses high energy x-rays, gamma rays, or protons to kill tumor cells and shrink tumors. Drugs used in usual chemotherapy, such as leucovorin, 5-fluorouracil, oxaliplatin, and capecitabine, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Adding radiotherapy to the usual chemotherapy may work better compared to the usual chemotherapy alone in treating patients with esophageal and gastric cancer.

ECOG-ACRIN EA2186

This phase II trial compares two treatment combinations: gemcitabine hydrochloride and nab-paclitaxel, or fluorouracil, leucovorin calcium, and liposomal irinotecan in older patients with pancreatic cancer that has spread to other places in the body (metastatic). Drugs used in chemotherapy, such as gemcitabine hydrochloride, nab-paclitaxel, fluorouracil, leucovorin calcium, and liposomal irinotecan, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. This study may help doctors find out which treatment combination is better at prolonging life in older patients with metastatic pancreatic cancer.

NRG-GI002 – Temporarily Closed

This randomized phase II trial studies how well veliparib works with combination chemotherapy and radiation therapy in treating patients with rectal cancer that has spread from where it started to nearby tissue or lymph nodes (locally advanced). Veliparib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, such as modified (m)FOLFOX6 regimen, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Radiation therapy uses high-energy x-rays to kill tumor cells and shrink tumors. Giving veliparib with combination chemotherapy and radiation therapy may kill more tumor cells and giving it before surgery may make the tumor smaller and reduce the amount of normal tissue that needs to be removed.

NRG-GI004 – Temporarily Closed

This randomized phase III trial studies how well combination chemotherapy, bevacizumab, and / or atezolizumab work in treating patients with deficient deoxyribonucleic acid (DNA) mismatch repair colorectal cancer that has spread to other places in the body. Drugs used in chemotherapy, such as fluorouracil, oxaliplatin, and leucovorin calcium, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Immunotherapy with monoclonal antibodies, such as bevacizumab and atezolizumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Giving combination chemotherapy, bevacizumab, and atezolizumab may work better in treating patients with colorectal cancer.

NRG-GI005

Phase II/III study of Circulating tumOr DNA as a predictive BiomaRker in Adjuvant chemotherapy in stage IIA colon cancer (COBRA)

SWOG S0820

This randomized phase III trial studies how well eflornithine works compared to sulindac in preventing the return of the disease (recurrence) of high-risk adenomas and second primary disease in patients with stage 0-III colon or rectal cancer. Drugs used in chemotherapy, such as eflornithine and sulindac, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. It is not yet known whether eflornithine is more effective than sulindac when given alone or in combination in preventing recurrence of cancer.

SWOG S1613

This randomized phase II trial studies how well trastuzumab and pertuzumab work compared to cetuximab and irinotecan hydrochloride in treating patients with HER2 / neu amplified colorectal cancer that has spread from where it started to other places in the body and cannot be removed by surgery. Monoclonal antibodies, such as trastuzumab and pertuzumab, may interfere with the ability of tumor cells to grow and spread. Drugs used in chemotherapy, such as cetuximab and irinotecan hydrochloride, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving trastuzumab and pertuzumab may work better compared to cetuximab and irinotecan hydrochloride in treating patients with colorectal cancer.

SWOG S1815

This phase III trial studies how well gemcitabine hydrochloride and cisplatin given with or without nab-paclitaxel work in treating patients with newly diagnosed biliary tract cancers that have spread to other places in the body. Drugs used in chemotherapy, such as gemcitabine hydrochloride, cisplatin, and nab-paclitaxel, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. It is not known if giving gemcitabine hydrochloride and cisplatin with or without nab-paclitaxel may work better at treating biliary tract cancers.

SWOG S1922

This phase II trial studies how well ramucirumab and paclitaxel or the FOLFIRI regimen (leucovorin calcium, fluorouracil, and irinotecan hydrochloride) work in treating patients with small bowel cancers that have spread extensively to other anatomic sites (advanced) or are no longer responding to treatment (refractory). Ramucirumab is a monoclonal antibody that attaches to and inhibits a molecule called VEGFR-2. This may restrain new blood vessel formation therefore reducing nutrient supply to tumor which may interfere with tumor cell growth and expansion. Drugs used in chemotherapy, such as paclitaxel, leucovorin calcium, fluorouracil, and irinotecan hydrochloride work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving Ramucirumab plus paclitaxel or FOLFIRI, may be helpful in treating advanced or refractory small bowel cancers and may help patients live longer.

Wake Forest WF-1806

This trial studies if myopenia (low muscle mass) plays a role in experiencing side effects from chemotherapy in older patients with colorectal cancer that has spread to other areas of the body (metastatic). Chemotherapy treatments for colorectal cancer can cause side effects such as low blood counts, nausea and vomiting, or mouth sores. Researchers are trying to determine if muscle mass has a role in how bad side effects from chemotherapy can be.