Effect of Body Mass on Filgrastim Pharmacokinetics

NCT ID: NCT01719432

Last Updated: 2020-12-17

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

30 participants

Study Classification

OBSERVATIONAL

Study Start Date

2012-12-05

Study Completion Date

2020-12-31

Brief Summary

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Studies have shown that different percentages of body fat can alter the way drugs are distributed in the body. This study will use blood samples taken at different time points for patients taking Neupogen to determine if higher body weights affect drug exposure. The information gathered from this study will help understand if patients with higher body weights need a different dosing plan.

Patients in this study will have blood draws once before they take Neupogen and 6 times after they take the Neuopen (for a total of 24 hours). These patients will be in the hospital already and will not need to make additional trips back to have blood drawn. A total of about 5-6 tablespoons of blood will be drawn for this study. 15 obese patients and 15 matched, non-obese patients will be enrolled into this study.

Detailed Description

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Conditions

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Hematological Malignancy Neutropenia

Keywords

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Filgrastim Obese Non-obese Pharmacokinetics

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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Obese patients

No interventions assigned to this group

Non-obese patients

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Age greater than or equal to 18 years
* Receiving filgrastim at 5mcg/kg ± 10%
* Admitted as an inpatient with an expected stay of at least 24 hours
* Weight is \> 190% of their ideal body weight (IBW) for "obese" patients or within 80 - 124% of IBW for matched control patients.
* Patient or their legally authorized representative understands and voluntarily signs the written informed consent prior to any study-specific procedures. A copy of the signed informed consent form will be retained by the treating institution.

Exclusion Criteria

* Patients who have received filgrastim within 24 hours prior to enrollment
* Patients who have received pegfilgrastim within 14 days prior to enrollment
* Hypersensitivity reaction to filgrastim or any related product
* Patients who have taken lithium within 7 days of enrollment
* Serum Creatinine \> 1.5 mg/dL
* Patients who are pregnant or breastfeeding
* Patients who are unable to understand and/or render informed consent
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Aaron Cumpston, PharmD, BCOP

OTHER

Sponsor Role lead

Responsible Party

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Aaron Cumpston, PharmD, BCOP

Clinical Specialist - BMT

Responsibility Role SPONSOR_INVESTIGATOR

Principal Investigators

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Aaron Cumpston, PharmD, BCOP

Role: PRINCIPAL_INVESTIGATOR

West Virginia University

Locations

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West Virginia University Mary Babb Randolph Cancer Center

Morgantown, West Virginia, United States

Site Status

Countries

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United States

References

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Stewart AW, Shillingburg A, Petros W, Wen S, Piktel D, Moses R, Gibson LF, Craig M, Cumpston A. A prospective study of filgrastim pharmacokinetics in morbidly obese patients compared with non-obese controls. Pharmacotherapy. 2022 Jan;42(1):53-57. doi: 10.1002/phar.2646. Epub 2021 Nov 22.

Reference Type DERIVED
PMID: 34767652 (View on PubMed)

Other Identifiers

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WVU 021112

Identifier Type: -

Identifier Source: org_study_id