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Neo-adjuvant Chemotherapy in Locally Advanced Gastric Cancer

A Phase II Study of Neo-adjuvant Chemotherapy in Locally Advanced Gastric Cancer

Thymidylate Synthase (TS) is a key enzyme in the synthesis of DNA and the target enzyme inhibited by 5-fluorouracil (5-FU). TS level in the tumour cells has been reported as predictive to response to 5-FU and a prognostic factor in colorectal and gastric cancer patients. We plan to study TS by immunohistochemistry (IHC) in the paraffin blocks of tumour tissue.

A combined comparative genomic hybridization (CGH) and expression microarray analysis of gastric cancer specimens before and after neoadjuvant chemotherapy. CGH will be performed using standard technique routinely done in Dr Patrick Tan's laboratory at the National Cancer Centre, which determines the gain or loss of DNA copies of each chromosome. Total RNA will be extracted from at least one biopsy sample which contains at least 50% cancer cells by homogenization of the tumour tissue and tri-sol method. 5 ug of RNA were amplified and hybridized with the C-DNA microarrays of 18K targets.

Primary Objective 1. Feasibility and safety of pre-operative chemotherapy in locally advanced gastric cancer.

Secondary Objective

  1. Complete clinical and pathological response rates to pre-operative chemotherapy in locally advanced gastric cancer
  2. Complete resection rate.
  3. Time to recurrence, disease free and overall survival
  4. Correlation of clinical outcome with (Runt-related transcription factor) RUNX-3 methylation status and Thymidylate synthetase in the tumor tissue.
  5. Correlation of CGH and gene expression profile and their changes after chemotherapy with clinical outcome.

    Patients may be included in the study only if they meet all of the following criteria:

    Age at least 18 years. Histologic or cytologic diagnosis of adenocarcinoma of stomach or gastric cardia (Siewert Classification Type III) Preoperative Stage T3-4NxM0 by endoscopic ultrasound, CT of the abdomen/pelvis and laparoscopy. (CT of the chest if it is a cardia lesion).

    Absence of malignant cells in peritoneal lavage fluid during laparoscopic examination.

    Patients must not have received any prior chemotherapy or hormonal therapy for the treatment of gastric cancer.

    Karnofsky performance status of 70 or higher. Estimated life expectancy of at least 12 weeks.

    Adequate organ function including the following:

    - Bone marrow: White blood cells (WBC) at least 3.5 x 109/L Absolute neutrophil (segmented and bands) count (ANC) at least 1.5 x 109/L Platelets at least 100 x 109/L Haemoglobin at least 9g/dL

    - Hepatic: Bilirubin within upper limit of normal (ULN), Aspartate transaminase (ALT) or Alanine transaminase (AST) not more than 2.5x ULN Alkaline phosphatase not more than 2.5x ULN.

    - Renal: creatinine not more than 1.5x ULN Signed informed consent by patient or legal representative. Patients with reproductive potential must use an approved contraceptive method if appropriate (eg, intrauterine device, birth control pills, or barrier device) during and for three months after the study. Females with childbearing potential must have a negative serum pregnancy test within 7 days prior to study enrollment.

    The study plans to recruit 30 patients in 12-18 months.

Panoramica dello studio

Stato

Completato

Tipo di studio

Interventistico

Iscrizione (Effettivo)

18

Fase

  • Fase 2

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Luoghi di studio

      • Singapore, Singapore, 308433
        • Johns Hopkins Singapore International Medical Center

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

18 anni e precedenti (Adulto, Adulto più anziano)

Accetta volontari sani

No

Sessi ammissibili allo studio

Tutto

Descrizione

Inclusion Criteria:

  • Age greater than or equal 18 years.
  • Histologic or cytologic diagnosis of adenocarcinoma of stomach or gastric cardia (Siewert Classification Type III)
  • Preoperative Stage T3-4NxM0 by endoscopic ultrasound, CT of the abdomen/pelvis and laparoscopy. (CT of the chest if it is a cardia lesion).
  • Absence of malignant cells in peritoneal lavage fluid during laparoscopic examination.
  • Patients must not have received any prior chemotherapy or hormonal therapy for the treatment of gastric cancer.
  • Karnofsky performance status of 70 or higher.
  • Estimated life expectancy of at least 12 weeks.
  • Adequate organ function including the following:
  • Bone marrow:

    • White blood cells (WBC) greater than or equal 3.5 x 109/L
    • Absolute neutrophil (segmented and bands) count (ANC) greater than or equal 1.5 x 109/L
    • Platelets greater than or equal 100 x 109/L
    • Haemoglobin greater than or equal 9g/dL
  • Hepatic:

    • Bilirubin within upper limit of normal (ULN),
    • ALT or AST less than or equal 2.5x ULN
    • Alkaline phosphatase less than or equal 2.5x ULN.
  • Renal:

    • creatinine less than or equal 1.5x ULN
  • Signed informed consent by patient or legal representative.
  • Patients with reproductive potential must use an approved contraceptive method if appropriate (eg, intrauterine device, birth control pills, or barrier device) during and for three months after the study. Females with childbearing potential must have a negative serum pregnancy test within 7 days prior to study enrollment.

Exclusion Criteria:

  • Prior treatment for locally advanced or metastatic gastric cancer. Any metastatic disease will render patient ineligible according to American Joint Committee on Cancer (AJCC) staging manual. (See appendix 11.4).
  • Treatment within the last 30 days with any investigational drug.
  • Concurrent administration of any other cancer therapy, including cytotoxic chemotherapy, hormonal therapy, and immunotherapy.
  • Active infection that in the opinion of the investigator would compromise the patient's ability to tolerate therapy.
  • Pregnancy.
  • Breast-feeding.
  • Serious concomitant disorders that would compromise the safety of the patient or compromise the patient's ability to complete the study, at the discretion of the investigator.
  • Poorly controlled diabetes mellitus with fasting blood sugar > 18 mmol/L(mM).
  • Second primary malignancy that is clinically detectable at the time of consideration for study enrollment.
  • History of significant neurological or mental disorder, including seizures or dementia.
  • History of hypersensitivity to drugs formulated in Tween 80, the vehicle used for commercial docetaxel formulations.
  • History of hypersensitivity to 5-fluorouracil

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: N / A
  • Modello interventistico: Assegnazione di gruppo singolo
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: Docetaxel and Capecitabine in gastric cancer
Intravenous docetaxel 60 mg/m2 on day 1 and oral capecitabine 900 mg/m2 two times per day from day 1 to day 14 every 3 weeks for 2 cycles.
Docetaxel 60 mg/m2 IV on day 1
Capecitabine 900 mg/m2 PO two times per day from day 1 to day 14 every 3 weeks for 2 cycles.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Number of Participants With Pathological Response
Lasso di tempo: up to 5 years
Number of participants who completed neoadjuvant chemotherapy and underwent repeat CT and endoscopic ultrasound (EUS) with pathological complete response (pCR), partial response in the primary tumor, stable disease or progressive disease as defined by EUS criteria.
up to 5 years

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Overall Survival
Lasso di tempo: up to 8 years
Median number of months participants alive at the time of observation. Calculated using Kaplan-Meier method.
up to 8 years
Progression-free Survival as Measured by Number of Participants Without Disease Progression.
Lasso di tempo: up to 5 years
up to 5 years
Feasibility and Safety of Pre-operative Chemotherapy in Locally Advanced Gastric Cancer as Assessed by Number of Participants Who Experienced Adverse Events Grade 3 or Higher as Defined by CTCAE.
Lasso di tempo: up to 5 years
Number of participants who experience Grade 3/4 neutropenia, Grade 3 nausea or Grade 3 diarrhea.
up to 5 years
Correlation of CGH and Gene Expression Profile and Their Changes After Chemotherapy With the Same Clinical Outcomes
Lasso di tempo: up to 5 years
Initially, we also planned to study the thymidylate synthetase expression, methylation of RUNX-3 gene[24] and comprehensive genomic hybridization[25] before and after chemotherapy to look for biomarkers of response and prognostic indication. But due to the lack of pCR and the small number of patients enrolled, we stopped the correlative studies.
up to 5 years

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Investigatori

  • Investigatore principale: Alex Chang, Johns Hopkins University

Pubblicazioni e link utili

La persona responsabile dell'inserimento delle informazioni sullo studio fornisce volontariamente queste pubblicazioni. Questi possono riguardare qualsiasi cosa relativa allo studio.

Collegamenti utili

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio

1 gennaio 2006

Completamento primario (Effettivo)

1 ottobre 2015

Completamento dello studio (Effettivo)

1 ottobre 2015

Date di iscrizione allo studio

Primo inviato

20 dicembre 2006

Primo inviato che soddisfa i criteri di controllo qualità

20 dicembre 2006

Primo Inserito (Stima)

21 dicembre 2006

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

25 luglio 2019

Ultimo aggiornamento inviato che soddisfa i criteri QC

31 maggio 2019

Ultimo verificato

1 maggio 2019

Maggiori informazioni

Termini relativi a questo studio

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

No

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

prodotto fabbricato ed esportato dagli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

Prove cliniche su Stage T3-4NxM0 Gastric Cancer

Prove cliniche su Docetaxel

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