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A phase I/II study for the safety and efficacy of Panitumumab in combination with TAS-102 for patients with RAS wild-type metastatic colorectal cancer refractory to standard chemotherapy

A phase I/II study for the safety and efficacy of Panitumumab in combination with TAS-102 for patients with RAS wild-type metastatic colorectal cancer refractory to standard chemotherapy - A phase I/II study for the safety and efficacy of Panitumumab in combination with TAS-102 for patients with metastatic colorectal cancer (APOLLON study)

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000019876
Enrollment
52
Registered
2015-11-20
Start date
2015-12-07
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

unresectable advanced colorectal cancer

Interventions

Panitumumab+TAS-102 -Panitumumab 6mg/kg/ q2w -TAS-102 35mg/m2 (Day1-5, Day8-12)

Sponsors

Takeda Pharmaceutical Company Limited
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1)Investigator and subinvestigator judge a candidate is understand clinical trial and comply this protocol. (2)Patients who have given written consent to take part in the study after detailed explanation of the study prior to enrollment (3)Aged 20 to 75 years at the time of informed consent (4)Patients with unresectable adenocarcinoma originating in the large intestine (excluding carcinoma of the appendix and anal canal cancer) (5)Patients with lesion(s) that can be evaluated. It is not essential to be evaluated the tumor according to the RECIST ver. 1.1. (6)Patients who have received chemotherapies for metastatic colorectal cancer and are refractory to or failing those chemotherapies* including; fluoropyrimidines, irinotecan, oxaliplatin, and an anti-vascular endothelial growth factor (VEGF) agent. (7)Patients classified as KRAS/NRAS wild-type by KRAS/NRAS testing. (8)Patients are able to take medications orally. (9)Patients who satisfy the following criteria for the major organ function in tests performed within 14 days prior to enrollment Neutrophil count 1500/microL Platelet count 100000/microL Hemoglobin 8.0 g/dL Total bilirubin 1.5 mg/dL AST 100 IU/L ( 200 IU/L if liver metastases are present) ALT 100 IU/L ( 200 IU/L if liver metastases are present) Serum creatinine 1.5 mg/dL (10)ECOG performance status (PS) of 0 or 1 (11)Life expectancy of 3 months (90 days) or more after enrollment

Exclusion criteria

Exclusion criteria: (1)Has received anti-EGFR antibodies (cetuximab or panitumumab), regorafenib, or TAS-102. (2)Has had treatment with radiotherapy and/or chemotherapy within 2 weeks (14 days) prior to study drug administration (except for limited field radiation in order to rescue of pain). (3)Known brain metastasis or strongly suspected of brain metastasis (4)Synchronous cancers or metachronous cancers with a disease-free period of 5 years (excluding colorectal cancer) excluding mucosal cancers cured or be possibly cured by regional resection (esophageal, stomach, and cervical cancer, non-melanoma skin cancer, bladder cancer, etc.). (5)Body cavity fluid that requires treatment (pleural effusion, ascites, pericardial effusion, etc.) (6)Patients who do not want to use contraception to prevent pregnancy, and women who are pregnant or breast-feeding, or test positive for pregnancy (7)Any investigational agent received within prior 4 weeks (28 days). (8)Disease requiring systemic steroids for treatment (excluding topical steroids) (9)History or obvious and extensive CT findings of interstitial pulmonary disease (interstitial pneumonia, pulmonary fibrosis, etc.) (10)Intestinal paralysis, gastrointestinal obstruction, or uncontrollable diarrhoea (incapacitating symptoms despite adequate treatment. (11)Serious drug hypersensitivity (without allergy to oxaliplatin) (12)Local or systemic active infection requiring treatment, or fever indicating infection (13)NYHA class II or higher heart failure or serious heart disease (14)Active hepatitis B (15)Known HIV infection (16)Peripheral neuropathy of Grade 2 or greater by CTCAE (Japanese edition JCOG version 4.03) (17)Known BRAF mutation (18)Other patients judged by the investigator or subinvestigator to be ineligible for enrollment in the study

Design outcomes

Primary

MeasureTime frame
Phase I: DLT rate (1st course: 4 weeks) Phase II: PFS rate at 6 months

Secondary

MeasureTime frame
OS: Overall survival PFS: Progression free survival RR: Response rate DOR: Duration of response DCR: Disease control rate TTF: Time to treatment failure <Safety>Adverse events

Countries

Japan

Contacts

Public ContactContact for Clinical Trial Information

Takeda Pharmaceutical Company Limited Contact for Clinical Trial Information

apollon@medical-bs24.com0120-086723

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026