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Trial record 1 of 1 for:    NCT04248452
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Testing the Addition of Radiotherapy to the Usual Treatment (Chemotherapy) for Patients With Esophageal and Gastric Cancer That Has Spread to a Limited Number of Other Places in the Body

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT04248452
Recruitment Status : Recruiting
First Posted : January 30, 2020
Last Update Posted : April 3, 2023
Sponsor:
Collaborator:
National Cancer Institute (NCI)
Information provided by (Responsible Party):
Eastern Cooperative Oncology Group ( ECOG-ACRIN Cancer Research Group )

Study Description
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Brief Summary:
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.

Condition or disease Intervention/treatment Phase
Clinical Stage IV Esophageal Adenocarcinoma AJCC v8 Clinical Stage IV Gastric Cancer AJCC v8 Clinical Stage IVA Esophageal Adenocarcinoma AJCC v8 Clinical Stage IVA Gastric Cancer AJCC v8 Clinical Stage IVB Esophageal Adenocarcinoma AJCC v8 Clinical Stage IVB Gastric Cancer AJCC v8 Metastatic Esophageal Adenocarcinoma Metastatic Gastric Adenocarcinoma Oligometastatic Esophageal Adenocarcinoma Oligometastatic Gastric Adenocarcinoma Pathologic Stage IV Esophageal Adenocarcinoma AJCC v8 Pathologic Stage IV Gastric Cancer AJCC v8 Pathologic Stage IVA Esophageal Adenocarcinoma AJCC v8 Pathologic Stage IVB Esophageal Adenocarcinoma AJCC v8 Drug: Capecitabine Drug: Fluorouracil Drug: Leucovorin Drug: Leucovorin Calcium Drug: Oxaliplatin Radiation: Radiation Therapy Phase 3

Detailed Description:

PRIMARY OBJECTIVE:

I. To establish superiority of consolidative radiation therapy over continuation of systemic therapy alone in patients with oligometastatic esophageal and gastric adenocarcinoma (EGA) that does not progress on first-line therapy.

OUTLINE:

STEP 1 (INDUCTION PHASE): Patients are assigned to 1 of 2 arms.

ARM A: Patients receive oxaliplatin intravenously (IV) over 1.5 hours, leucovorin IV over 1.5 hours, and 5-fluorouracil IV over 46-48 hours on days 1 and 15. Treatment repeats every 28 days for up to 4 cycles in the absence of disease progression or unacceptable toxicity.

ARM B: Patients receive oxaliplatin IV over 2 hours on day 1 and capecitabine orally (PO) twice daily (BID) on days 1-14. Treatment repeats every 21 days for up to 6 cycles in the absence of disease progression or unacceptable toxicity.

STEP 2: Patients are randomized to 1 of 4 arms.

ARM C: One week post induction of patients in ARM A, patients undergo radiation therapy for up to 15 days. Within 2-4 weeks post radiation therapy, patients receive oxaliplatin, leucovorin, and 5-fluorouracil as in Arm A for 2 years in the absence of disease progression or unacceptable toxicity.

ARM D: Post induction of patients in ARM A, patients continue oxaliplatin, leucovorin, and 5-fluorouracil as in Arm A for 2 years in the absence of disease progression or unacceptable toxicity.

ARM E: One week post induction of patients in ARM B, patients undergo radiation therapy for up to 15 days. Within 2-4 weeks post radiation therapy, patients receive oxaliplatin and capecitabine as in Arm B for 2 years in the absence of disease progression or unacceptable toxicity.

ARM F: Post induction of patients in ARM B, patients continue oxaliplatin and capecitabine as in Arm B for 2 years in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up periodically for up to 5 years from study entry. Patients experiencing disease progression are followed up every 3 months in years 1-2, and then every 6 months for up to 5 years from study entry.

Study Design
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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 314 participants
Allocation: Randomized
Intervention Model: Sequential Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase III Study of Consolidative Radiotherapy in Patients With Oligometastatic HER2 Negative Esophageal and Gastric Adenocarcinoma (EGA)
Actual Study Start Date : February 6, 2020
Estimated Primary Completion Date : December 31, 2023
Estimated Study Completion Date : December 31, 2023

Resource links provided by the National Library of Medicine


Arms and Interventions
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Top of Page Study Description Study Design Arms and Interventions Outcome Measures Eligibility Criteria Contacts and Locations More Information

Arm Intervention/treatment
Experimental: Arm A (FOLXFOX)
Patients receive oxaliplatin IV over 1.5 hours, leucovorin IV over 1.5 hours, and 5-fluorouracil IV over 46-48 hours on days 1 and 15. Treatment repeats every 28 days for up to 4 cycles in the absence of disease progression or unacceptable toxicity.
 Drug: Fluorouracil
Given IV
Other Names:
  • 5 Fluorouracil
  • 5 Fluorouracilum
  • 5 FU
  • 5-Fluoro-2,4(1H, 3H)-pyrimidinedione
  • 5-Fluorouracil
  • 5-Fluracil
  • 5-FU
  • 5FU
  • AccuSite
  • Carac
  • Fluoro Uracil
  • Fluouracil
  • Flurablastin
  • Fluracedyl
  • Fluracil
  • Fluril
  • Fluroblastin
  • Ribofluor
  • Ro 2-9757
  • Ro-2-9757

Drug: Leucovorin
Given IV
Other Name: folinic acid

Drug: Leucovorin Calcium
Given IV
Other Names:
  • Adinepar
  • Calcifolin
  • Calcium (6S)-Folinate
  • Calcium Folinate
  • Calcium Leucovorin
  • Calfolex
  • Calinat
  • Cehafolin
  • Citofolin
  • Citrec
  • Citrovorum Factor
  • Cromatonbic Folinico
  • Dalisol
  • Disintox
  • Divical
  • Ecofol
  • Emovis
  • Factor, Citrovorum
  • Flynoken A
  • Folaren
  • Folaxin
  • FOLI-cell
  • Foliben
  • Folidan
  • Folidar
  • Folinac
  • Folinate Calcium
  • folinic acid
  • Folinic Acid Calcium Salt Pentahydrate
  • Folinoral
  • Folinvit
  • Foliplus
  • Folix
  • Imo
  • Lederfolat
  • Lederfolin
  • Leucosar
  • leucovorin
  • Rescufolin
  • Rescuvolin
  • Tonofolin
  • Wellcovorin

Drug: Oxaliplatin
Given IV
Other Names:
  • 1-OHP
  • Ai Heng
  • Aiheng
  • Dacotin
  • Dacplat
  • Diaminocyclohexane Oxalatoplatinum
  • Eloxatin
  • Eloxatine
  • JM-83
  • Oxalatoplatin
  • Oxalatoplatinum
  • RP 54780
  • RP-54780
  • SR-96669
Experimental: Arm B (CAPOX)
Patients receive oxaliplatin IV over 2 hours on day 1 and capecitabine PO BID on days 1-14. Treatment repeats every 21 days for up to 6 cycles in the absence of disease progression or unacceptable toxicity.
 Drug: Capecitabine
Given PO
Other Names:
  • Ro 09-1978/000
  • Xeloda

Drug: Oxaliplatin
Given IV
Other Names:
  • 1-OHP
  • Ai Heng
  • Aiheng
  • Dacotin
  • Dacplat
  • Diaminocyclohexane Oxalatoplatinum
  • Eloxatin
  • Eloxatine
  • JM-83
  • Oxalatoplatin
  • Oxalatoplatinum
  • RP 54780
  • RP-54780
  • SR-96669
Experimental: Arm C (radiation therapy, FOLFOX)
One week post induction of patients in ARM A, patients undergo radiation therapy for up to 15 days. Within 2-4 weeks post radiation therapy, patients receive oxaliplatin, leucovorin, and 5-fluorouracil as in Arm A for 2 years in the absence of disease progression or unacceptable toxicity.
 Drug: Fluorouracil
Given IV
Other Names:
  • 5 Fluorouracil
  • 5 Fluorouracilum
  • 5 FU
  • 5-Fluoro-2,4(1H, 3H)-pyrimidinedione
  • 5-Fluorouracil
  • 5-Fluracil
  • 5-FU
  • 5FU
  • AccuSite
  • Carac
  • Fluoro Uracil
  • Fluouracil
  • Flurablastin
  • Fluracedyl
  • Fluracil
  • Fluril
  • Fluroblastin
  • Ribofluor
  • Ro 2-9757
  • Ro-2-9757

Drug: Leucovorin
Given IV
Other Name: folinic acid

Drug: Leucovorin Calcium
Given IV
Other Names:
  • Adinepar
  • Calcifolin
  • Calcium (6S)-Folinate
  • Calcium Folinate
  • Calcium Leucovorin
  • Calfolex
  • Calinat
  • Cehafolin
  • Citofolin
  • Citrec
  • Citrovorum Factor
  • Cromatonbic Folinico
  • Dalisol
  • Disintox
  • Divical
  • Ecofol
  • Emovis
  • Factor, Citrovorum
  • Flynoken A
  • Folaren
  • Folaxin
  • FOLI-cell
  • Foliben
  • Folidan
  • Folidar
  • Folinac
  • Folinate Calcium
  • folinic acid
  • Folinic Acid Calcium Salt Pentahydrate
  • Folinoral
  • Folinvit
  • Foliplus
  • Folix
  • Imo
  • Lederfolat
  • Lederfolin
  • Leucosar
  • leucovorin
  • Rescufolin
  • Rescuvolin
  • Tonofolin
  • Wellcovorin

Drug: Oxaliplatin
Given IV
Other Names:
  • 1-OHP
  • Ai Heng
  • Aiheng
  • Dacotin
  • Dacplat
  • Diaminocyclohexane Oxalatoplatinum
  • Eloxatin
  • Eloxatine
  • JM-83
  • Oxalatoplatin
  • Oxalatoplatinum
  • RP 54780
  • RP-54780
  • SR-96669

Radiation: Radiation Therapy
Undergo radiation therapy
Other Names:
  • Cancer Radiotherapy
  • Irradiate
  • irradiated
  • Irradiation
  • RADIATION
  • Radiation Therapy, NOS
  • Radiotherapeutics
  • RADIOTHERAPY
  • RT
  • Therapy, Radiation
Active Comparator: Arm D (FOLFOX)
Post induction of patients in ARM A, patients continue oxaliplatin, leucovorin, and 5-fluorouracil as in Arm A for 2 years in the absence of disease progression or unacceptable toxicity.
 Drug: Fluorouracil
Given IV
Other Names:
  • 5 Fluorouracil
  • 5 Fluorouracilum
  • 5 FU
  • 5-Fluoro-2,4(1H, 3H)-pyrimidinedione
  • 5-Fluorouracil
  • 5-Fluracil
  • 5-FU
  • 5FU
  • AccuSite
  • Carac
  • Fluoro Uracil
  • Fluouracil
  • Flurablastin
  • Fluracedyl
  • Fluracil
  • Fluril
  • Fluroblastin
  • Ribofluor
  • Ro 2-9757
  • Ro-2-9757

Drug: Leucovorin
Given IV
Other Name: folinic acid

Drug: Leucovorin Calcium
Given IV
Other Names:
  • Adinepar
  • Calcifolin
  • Calcium (6S)-Folinate
  • Calcium Folinate
  • Calcium Leucovorin
  • Calfolex
  • Calinat
  • Cehafolin
  • Citofolin
  • Citrec
  • Citrovorum Factor
  • Cromatonbic Folinico
  • Dalisol
  • Disintox
  • Divical
  • Ecofol
  • Emovis
  • Factor, Citrovorum
  • Flynoken A
  • Folaren
  • Folaxin
  • FOLI-cell
  • Foliben
  • Folidan
  • Folidar
  • Folinac
  • Folinate Calcium
  • folinic acid
  • Folinic Acid Calcium Salt Pentahydrate
  • Folinoral
  • Folinvit
  • Foliplus
  • Folix
  • Imo
  • Lederfolat
  • Lederfolin
  • Leucosar
  • leucovorin
  • Rescufolin
  • Rescuvolin
  • Tonofolin
  • Wellcovorin

Drug: Oxaliplatin
Given IV
Other Names:
  • 1-OHP
  • Ai Heng
  • Aiheng
  • Dacotin
  • Dacplat
  • Diaminocyclohexane Oxalatoplatinum
  • Eloxatin
  • Eloxatine
  • JM-83
  • Oxalatoplatin
  • Oxalatoplatinum
  • RP 54780
  • RP-54780
  • SR-96669
Experimental: Arm E (radiation therapy, CAPOX)
One week post induction of patients in ARM B, patients undergo radiation therapy for up to 15 days. Within 2-4 weeks post radiation therapy, patients receive oxaliplatin and capecitabine as in Arm B for 2 years in the absence of disease progression or unacceptable toxicity.
 Drug: Capecitabine
Given PO
Other Names:
  • Ro 09-1978/000
  • Xeloda

Drug: Oxaliplatin
Given IV
Other Names:
  • 1-OHP
  • Ai Heng
  • Aiheng
  • Dacotin
  • Dacplat
  • Diaminocyclohexane Oxalatoplatinum
  • Eloxatin
  • Eloxatine
  • JM-83
  • Oxalatoplatin
  • Oxalatoplatinum
  • RP 54780
  • RP-54780
  • SR-96669

Radiation: Radiation Therapy
Undergo radiation therapy
Other Names:
  • Cancer Radiotherapy
  • Irradiate
  • irradiated
  • Irradiation
  • RADIATION
  • Radiation Therapy, NOS
  • Radiotherapeutics
  • RADIOTHERAPY
  • RT
  • Therapy, Radiation
Active Comparator: Arm F (CAPOX)
Post induction of patients in ARM B, patients continue oxaliplatin and capecitabine as in Arm B for 2 years in the absence of disease progression or unacceptable toxicity.
 Drug: Capecitabine
Given PO
Other Names:
  • Ro 09-1978/000
  • Xeloda

Drug: Oxaliplatin
Given IV
Other Names:
  • 1-OHP
  • Ai Heng
  • Aiheng
  • Dacotin
  • Dacplat
  • Diaminocyclohexane Oxalatoplatinum
  • Eloxatin
  • Eloxatine
  • JM-83
  • Oxalatoplatin
  • Oxalatoplatinum
  • RP 54780
  • RP-54780
  • SR-96669


Outcome Measures
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Primary Outcome Measures :
  1. Overall survival [ Time Frame: From the time of randomization, assessed up to 5 years post treatment ]

Secondary Outcome Measures :
  1. Incidence of adverse events [ Time Frame: Up to 5 years post treatment ]
    Toxicity will be evaluated in all treated subjects. All toxicity grades and all reportable adverse events will be graded using the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 5.0.

  2. Progression-free survival [ Time Frame: From the time of randomization, assessed up to 5 years post treatment ]

Eligibility Criteria
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Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


Layout table for eligibility information
Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • REGISTRATION TO STEP 1
  • Patient must have histologically confirmed HER2 negative metastatic esophageal or gastric adenocarcinoma (American Joint Committee on Cancer [AJCC] 8th edition)

  • Patient must have oligometastatic disease at the time of registration, which is defined as the following:

    • At most 3 radiologically visible metastatic lesions (not sites), in addition to the primary site. Computed tomography (CT) or magnetic resonance imaging (MRI) scans will be performed for staging purposes. Patients with oligometastatic sites that are only detected with positron emission tomography (PET)/CT will be eligible for participation, as long as radiation planning and administration is feasible after discussion with treating radiation oncologist. Malignant lymph node should be at least 1 cm in size or biopsy proven involved by disease
    • Anatomically defined lymphadenopathy will be considered as 1 site of metastatic disease. For example, 2 enlarged paraaortic lymph nodes will be considered as one site, and 2 additional sites will be allowed to meet protocol definition of oligometastatic disease. However, if supraclavicular or cervical nodes are involved for distal esophageal tumors or gastric tumors, these are counted separately from intrathoracic nodes. For upper thoracic/cervical esophageal tumors, the involvement of celiac nodes are counted separately from intrathoracic nodes. Intrathoracic nodes, defined as hilar and mediastinal nodes, will be collectively counted as one
    • Patients with radiologically evident peritoneal metastasis will be excluded.
  • Patient must have an Eastern Cooperative Oncology Group (ECOG) performance status 0-1
  • Women of childbearing potential and sexually active males must not expect to conceive or father children by using accepted and effective method(s) of contraception (both double barrier contraception and birth control pills or implants) or by abstaining from sexual intercourse for at least one month after the last dose of protocol treatment and continuing for 5 months after the last dose of protocol treatment (for female patients) and for 7 months after the last dose of protocol treatment (for male patients who are sexually active with women of child bearing potential [WOCBP]). Investigators must counsel WOCBP and male patients who are sexually active with WOCBP on the importance of pregnancy prevention and the implications of an unexpected pregnancy
  • Absolute neutrophil count (ANC) >= 1.5 x 10^9/L (obtained within 28 days prior to registration)
  • Hemoglobin >= 8 g/dL (obtained within 28 days prior to registration)
  • Platelets (PLT) >= 100 x 10^9/L (obtained within 28 days prior to registration)
  • Aspartate aminotransferase (AST)/alanine aminotransferase (ALT) =< 3.0 x upper limit of normal (ULN) (obtained within 28 days prior to registration)
  • Bilirubin =< 1.5 x institutional ULN (obtained within 28 days prior to registration)
  • Serum creatinine =< 1.5 x institutional ULN (Cockcroft and Gault formula) (obtained within 28 days prior to registration)
  • Albumin > 2.5 g/dL (obtained within 28 days prior to registration)
  • Patient must be able to understand and willing to sign and date the written voluntary informed consent form prior to any protocol-specific procedures

  • Human immunodeficiency virus (HIV)-infected patients on effective anti-retroviral therapy with undetectable viral load within 6 months are eligible for this trial. Patients must have CD4 > 200 at the time of registration

    • NOTE: HIV testing is not required for eligibility
  • Patients with a prior or concurrent malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial
  • Patients who had prior definitive treatment for early stage EGA with either surgery or chemoradiation are eligible for participation as long as recurrent disease developed at least 6 months after completion of all prior therapies
  • Any major surgery must have been completed >= 4 weeks prior to registration
  • REGISTRATION TO STEP 2
  • Patient must have histologically confirmed HER2 negative metastatic esophageal or gastric adenocarcinoma (AJCC 8th edition) with stable disease after about 4 months of fluorouracil, leucovorin calcium, and oxaliplatin (FOLFOX) or 6 cycles of capecitabine and oxaliplatin (CAPOX) (Step 1 treatment)
  • Patient must have no evidence of disease progression based on Response Evaluation Criteria in Solid Tumors (RECIST) criteria since Step 1 registration. Patients with complete radiologic response are eligible for Step 2
  • Patient must have an ECOG performance status 0-1

Exclusion Criteria:

  • Patient must not have any contraindications to 5-fluorouracil (5-FU) or capecitabine, oxaliplatin
  • Patient must not have any contraindications to radiation therapy based on consultation with a radiation oncologist. Formal radiation oncology evaluation will be required for eligibility purposes. Prior palliative or definitive radiation to the primary site is allowed, as long as it was completed at least 2 weeks before registration

  • Women must not be pregnant or breast-feeding due to the potential harm to unborn fetus and possible risk for adverse events in nursing infants with the treatment regimens being used

    • All females of child bearing potential must have a serum or urine pregnancy test to rule out pregnancy within 14 days prior to registration
    • A female of childbearing potential is any woman, regardless of sexual orientation or whether they have undergone tubal ligation, who meets the following criteria: has achieved menarche at some point, has not undergone a hysterectomy or bilateral oophorectomy; or has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months)

  • Patient must not have had any prior treatment with 5-FU or capecitabine and/or oxaliplatin containing systemic therapy

    • NOTE: Patients previously treated with radiosensitizing doses of 5-FU will be eligible for participation as long as adequate time has elapsed from past treatments
    • NOTE: Patients who received systemic 5-FU or capecitabine and/or oxaliplatin as part of the treatment for their locoregional disease are eligible for participation, as long as all definitive therapy has been completed at least 6 months prior to trial enrollment
  • Patients with known central nervous system (CNS) metastasis will be excluded from trial participation, regardless of the status of the CNS disease
  • Patient must not have any uncontrolled intercurrent illness including, but not limited to ongoing or active infection requiring treatment, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements
  • Patient must not have had live vaccines within 30 days prior to registration. Examples of live vaccines include, but are not limited to, the following: measles, mumps, rubella, chicken pox, yellow fever, rabies, Bacillus Calmette Guerin (BCG), and typhoid (oral) vaccine. Seasonal influenza vaccines for injection are generally killed virus vaccines and are allowed; however, intranasal influenza vaccines (e.g., Flu-Mist) are live attenuated vaccines and are not allowed
Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04248452


Contacts
Layout table for location contacts
Contact: Nataliya V Uboha 608-265-9966 Nvuboha@medicine.wisc.edu

Locations
Show Show 388 study locations
Sponsors and Collaborators
ECOG-ACRIN Cancer Research Group
National Cancer Institute (NCI)
Investigators
Layout table for investigator information
Principal Investigator: Nataliya V Uboha ECOG-ACRIN Cancer Research Group
More Information
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Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):

Layout table for additonal information
Responsible Party: ECOG-ACRIN Cancer Research Group
ClinicalTrials.gov Identifier: NCT04248452    
Other Study ID Numbers: EA2183
NCI-2019-06460 ( Registry Identifier: CTRP (Clinical Trial Reporting Program) )
EA2183 ( Other Identifier: ECOG-ACRIN Cancer Research Group )
EA2183 ( Other Identifier: CTEP )
U10CA180820 ( U.S. NIH Grant/Contract )
First Posted: January 30, 2020    Key Record Dates
Last Update Posted: April 3, 2023
Last Verified: June 2022

Layout table for additional information
Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No
Additional relevant MeSH terms:
Layout table for MeSH terms
Adenocarcinoma
Stomach Neoplasms
Esophageal Neoplasms
Carcinoma
Neoplasms, Glandular and Epithelial
Neoplasms by Histologic Type
Neoplasms
Gastrointestinal Neoplasms
Digestive System Neoplasms
Neoplasms by Site
Digestive System Diseases
Gastrointestinal Diseases
Stomach Diseases
Head and Neck Neoplasms
Esophageal Diseases
 Calcium, Dietary
Leucovorin
Folic Acid
Fluorouracil
Capecitabine
Oxaliplatin
Calcium
Levoleucovorin
Calcium-Regulating Hormones and Agents
Physiological Effects of Drugs
Bone Density Conservation Agents
Antimetabolites
Molecular Mechanisms of Pharmacological Action
Antimetabolites, Antineoplastic
Antineoplastic Agents