GI-05: The Impact of Olanzapine Among Patients Receiving Neoadjuvant Chemotherapy for Gastric Cancer

NCT07581405 — Phase 2, Not yet recruiting, 26 participants, University of Illinois at Chicago

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RegistryNCT07581405
StatusNot yet recruiting
PhasePhase 2
Study typeInterventional; randomized, parallel, masking: none, treatment
Enrollment26 (Estimated)
SponsorUniversity of Illinois at Chicago (Other)
ConditionsGastric Adenocarcinoma, Gastric Cancer
InterventionsNeoadjuvant chemotherapy, Olanzapine (Drug)
Datesstart 2026-09-01 (estimated), primary completion 2028-09-01 (estimated), completion 2030-09-01 (estimated), first posted 2026-05-12, last updated 2026-08-21
Locations1 site in United States

Related Papers Related Patents Related Grants Related Experts
All trials for Gastric Adenocarcinoma All trials for Gastric Cancer All trials of Neoadjuvant chemotherapy All trials of Olanzapine

-Summary

This is a single-center, randomized, open-label clinical trial designed to evaluate the impact of low-dose olanzapine on weight loss, appetite, and nutritional outcomes in patients with gastric cancer receiving neoadjuvant chemotherapy. Eligible patients will be randomized to receive olanzapine 2.5 mg orally once daily (QD) in addition to standard neoadjuvant chemotherapy, beginning prior to initiation of chemotherapy and continuing until surgical resection. Patients will otherwise receive standard-of-care (SOC) oncologic treatment, with no alterations to chemotherapy regimens or surgical management. The study is designed to prospectively assess whether olanzapine improves appetite, mitigates weight loss, and enhances nutritional status and quality of life (QoL) during neoadjuvant therapy. This study will be conducted at the University of Illinois Cancer Center (UICC) as a single-site investigator-initiated trial, with an anticipated accrual of 26 participants over 2 years.

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+Arms and interventions

ArmTypeInterventionsDescription
Arm A: Neoadjuvant chemotherapy (Standard of Care)Active comparatorDrug: Neoadjuvant chemotherapyParticipants will receive neoadjuvant chemotherapy treatment per standard of care. They will receive routine clinical monitoring during treatment followed by a surgical resection per standard of care. A safety follow-up visit will occur approximately 30 days after the final dose of study therapy followed by long-term follow-up visits every 3 months for 2 years.
Arm B: Neoadjuvant chemotherapy (Standard of Care) + Olanzapine (2.5 mg daily by mouth)ExperimentalDrug: Neoadjuvant chemotherapy; Drug: OlanzapineParticipants will receive neoadjuvant chemotherapy treatment per standard of care in addition to concurrent dosage of olanzapine 2.5 mg orally once a day. They will receive routine clinical monitoring during treatment followed by a surgical resection per standard of care. A safety follow-up visit will occur approximately 30 days after the final dose of study therapy followed by long-term follow-up visits every 3 months for 2 years.
  • Neoadjuvant chemotherapy (Drug): Neoadjuvant chemotherapy will be administered per standard of care
  • Olanzapine (Drug): Olanzapine 2.5 mg will be administered by mouth daily

+Outcome measures

Primary outcomes

  • To evaluate weight change [From treatment start to 30 days after the end of neoadjuvant chemotherapy (approximately 16 weeks from treatment start)]: To evaluate the effect of olanzapine on weight change in patients with gastric cancer receiving neoadjuvant chemotherapy
  • To evaluate appetite [From treatment start to 30 days after the end of neoadjuvant chemotherapy (approximately 16 weeks from treatment start)]: To evaluate the effect of olanzapine on appetite in patients with gastric cancer receiving neoadjuvant chemotherapy

Secondary outcomes

  • To evaluate nutritional status using clinical documentation and standard of care lab tests [From treatment start to 30 days after the end of neoadjuvant chemotherapy (approximately 16 weeks from treatment start)]: To evaluate the effect of olanzapine on nutritional status during neoadjuvant chemotherapy
  • Type, severity, and number of chemotherapy-related adverse events while using olanzapine as defined by CTCAE version 6 [From treatment start to 30 days after the end of neoadjuvant chemotherapy (approximately 16 weeks from treatment start)]: To evaluate the relationship between olanzapine and the the severity of chemotherapy-related adverse events by utilizing CTCAE version 6.
  • To evaluate quality of life using the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ-C30) [From before treatment start to 30 days after the end of neoadjuvant chemotherapy (approximately 16 weeks from treatment start)]: To assess changes in quality of life (QoL) during neoadjuvant chemotherapy among patients receiving olanzapine by utilizing the EORTC (QLQ-C30) questionnaire. For the first part of the questionnaire, the scale is 1 to 4, with 4 indicating a worse quality of life. For the second part oft he questionnaire, the scale is 1 to 7 with 1 indicating a worse quality of life.
  • To evaluate safety and tolerability of olanzapine as measured by the type, number, and severity of adverse events assessed by CTCAE version 6 [From treatment start to 30 days after the end of neoadjuvant chemotherapy (approximately 16 weeks from treatment start)]: To describe the safety and tolerability profile of low-dose olanzapine when used as a supportive care intervention in this patient population

Other outcomes

  • To evaluate progression-free survival (PFS) [From enrollment to 24 months after study enrollment]: Exploratory evaluation of progression-free survival (PFS) based on electronic medical record (EMR) review and treating oncologist assessment.
  • To evaluate overall survival (OS) [From enrollment to 24 months after study enrollment]: Exploratory evaluation of overall survival (OS) based on EMR review.
  • To evaluate surgical resection rates [From treatment start to 24 months after study enrollment]: To assess the effect of olanzapine on surgical resection rates.
  • To evaluate perioperative complications [From treatment start to 24 months after study enrollment]: To assess the effect of olanzapine on perioperative complications.
  • To evaluate long-term survival [From treatment start to 24 months after study enrollment]: To assess the effect of olanzapine on long-term survival.

+Eligibility

Sex: All, ages: 18 Years to any

Inclusion Criteria:

* Age ≥ 18 years of age at time of consent
* Eastern Cooperative Oncology Group (ECOG) score of 0-2
* Histologically confirmed gastric adenocarcinoma, documented by biopsy.
* Planned to receive neoadjuvant chemotherapy followed by surgical resection, as determined by the treating oncologist.
* Demonstrates adequate organ function. All screening labs are to be obtained within 30 days prior to registration.
* Able to provide written informed consent and HIPAA authorization for release of personal health information, via an approved UIC Institutional Review Board informed consent form and HIPAA authorization. If a subject is unable to consent, a Legally Authorized Representative (LAR) may provide consent on their behalf.
* Women of childbearing potential must not be pregnant or breastfeeding. A negative serum or urine pregnancy test is required per institutional practice guidelines.
* As determined at the discretion of the enrolling physician or protocol designee, the ability of the subject to understand and comply with study procedures for the entire length of the study

Exclusion Criteria:

* Active infection requiring systemic therapy
* Uncontrolled HIV/AIDS or active viral hepatitis
* Pregnant or nursing
* Any prior or concurrent malignancy whose natural history or treatment has the potential to interfere with the safety or efficacy assessment of this investigational regimen, as determined by the treating medical oncologist.
* Patients with a feeding tube (e.g., gastrostomy or jejunostomy) receive their primary source of nutritional intake via enteral tube feeding at the time of enrollment.
* Any mental or medical condition that prevents the patient from giving informed consent or participating in the trial.
* Other major comorbidity, as determined by the study PI

+Locations (1)

FacilityCityCountryStatus
University of Illinois Cancer CenterChicago, IllinoisUnited States

+Investigators

  • Aslam Ejaz, MD, Principal investigator, University of Illinois at Chicago (UIC)