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Comparison of Aprepitant Versus Gabapentin in the Prevention of Delayed Nausea and Vomiting

N

New Mexico Cancer Care Alliance

Status and phase

Completed
Phase 2

Conditions

Cancer

Treatments

Drug: Aprepitant vs. Gabapentin

Study type

Interventional

Funder types

Other

Identifiers

NCT00250744
INST 3204C

Details and patient eligibility

About

  1. To compare the effectiveness of gabapentin (titrated to300mg TID days -2 to 5) with aprepitant (125mg on day 1 and 80mg on days 2 and 3) in the control of delayed nausea and vomiting associated with level 3, 4 or 5 emetogenic chemotherapy in patients who experienced delayed nausea and/or vomiting during their first cycle of chemotherapy.
  2. To evaluate and compare the safety profile associated with each anti-emetic regimen.
  3. To assess subject satisfaction with anti-emetic therapy.

Full description

The purpose of study is to compare the effectiveness of aprepitant and gabapentin in treating "delayed" (days later) nausea and/or vomiting for patients receiving chemotherapy treatment for cancer. Patients on the study will receive aprepitant or gabapentin in addition to the standard medications used to prevent nausea and vomiting. Aprepitant is approved by the FDA for nausea and vomiting. Gabapentin is approved by the FDA for the treatment of seizures but it may be effective in controlling nausea and vomiting due to chemotherapy. Subjects receiving aprepitant will be receiving a proven treatment for delayed nausea and vomiting, while subjects receiving gabapentin will be receiving a drug that has only shown limited effectiveness.

Patients are eligible for participation in this study because they are going to receive chemotherapy that may cause nausea or vomiting. If patients have delayed nausea or vomiting after the first cycle of treatment, they will be offered a chance to receive additional treatments with their second cycle of chemotherapy. The University of New Mexico Health Sciences Center is sponsoring the study.

The first 40 patients enrolled in the study will participate in the pilot phase of the study. A pilot study is a smaller version of a full study to determine how effective the treatments are. All 40 patients in the pilot phase of the study will come from UNM. If the pilot phase is found to be successful, then the study will continue and approximately 200 patients will eventually be enrolled. The full study will be conducted at the University of New Mexico Cancer Research and Treatment Center (UNM CRTC), the New Mexico VA Healthcare System, and at members of the New Mexico Cancer Care Alliance.

Enrollment

200 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Male or female patients, 18 years of age or older, who are eligible for chemotherapy may participate in the trial if the following criteria are met:

  1. Patients must have a diagnosis of malignant disease and be scheduled to receive single-day intravenous chemotherapy drug or combination of drugs that are considered to elicit level 3, 4 or 5 emesis (appendix A).
  2. Males must be surgically sterilized, or agree to practice adequate contraceptive precautions during the study.
  3. Females of non-childbearing potential (i.e. those who have been surgically sterilized, or who are at least one-year post menopausal) may enter the study. Females of childbearing potential must have a negative pregnancy test (urine or serum hCG) before entry into the study, and must agree to practice adequate contraceptive precautions during the study.
  4. Written informed consent must be obtained before initiating any protocol specified procedures.

Exclusion criteria

Patients with any of the following are not eligible for enrollment in the study.

  1. Any unstable medical disorder.

  2. Participation in any drug trial in which the patient received an investigational drug within 30 days or 5 half-lives (whichever is longer) preceding the screening phase of this study.

  3. Patients with serum creatinine ≥ 2 dL/mL; bilirubin ≥ 3 times ULN; or those with an ECOG performance status ≥ 3.

  4. Patients with severe hepatic insufficiency as evidenced by ascites, encephalopathy, coagulopathy, or jaundice.

  5. Patients prescribed corticosteroids except for replacement or maintenance doses up to 10mg prednisone or equivalent. Dexamethasone is permitted as a prophylactic component of the pre- and post-chemotherapy anti-emetic regimen as defined in this protocol.

  6. Primary or secondary (from metastatic disease) brain neoplasm with:

    • Signs or symptoms of increased intracranial pressure or
    • Patients with brain metastases requiring treatment within 30 days of entry into the study.

    Signs or symptoms of cerebral edema will exclude a patient from entry into the study. Patients with symptomatically "silent" metastases may be enrolled into the study.

  7. Patients who are known to be hypersensitive to gabapentin, any neurokinin-1 or dopamine receptor antagonist, 5-HT3 receptor antagonists, or corticosteroids.

  8. Patients who are unwilling or unable to comply with the protocol.

  9. Patients are excluded if they are receiving radiation therapy to any abdominal field (T10-L5) within 24 hours before the dose of study medication is given or if they are scheduled to receive such radiation during the period of assessment (study days 0-2 for arm A and study days 0-6 for arm B). Radiation to other fields is acceptable (e.g. pelvic radiation, thoracic radiation).

  10. Patients who have had any nausea within one hour and/or emesis (vomiting and/or retching) within 24 hours before dosing of study medication.

  11. Patients who have taken either gabapentin or aprepitant within four weeks of randomization.

Trial design

Primary purpose

Prevention

Allocation

Randomized

Interventional model

Single Group Assignment

Masking

None (Open label)

200 participants in 2 patient groups

Arm A
Experimental group
Treatment:
Drug: Aprepitant vs. Gabapentin
Drug: Aprepitant vs. Gabapentin
Arm B
Active Comparator group
Treatment:
Drug: Aprepitant vs. Gabapentin
Drug: Aprepitant vs. Gabapentin

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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