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Completed Phase 2 Interventional

Ph2, Study to Assess the Safety and Efficacy of GPC 100 and Propranolol With and Without G-CSF for the Mobilization of Stem Cells in Patients With Multiple Myeloma Undergoing Autologous Stem Cell Transplant

ClinicalTrials.gov ID: NCT05561751

Public ClinicalTrials.gov record NCT05561751. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 7, 2026, 11:04 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2, Randomized, Open-Label Study to Assess the Safety and Efficacy of GPC 100 and Propranolol With and Without G-CSF for the Mobilization of Stem Cells in Patients With Multiple Myeloma Undergoing Autologous Stem Cell Transplant

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a randomized, open-label study. Patients will be screened within 28 days prior to the study drug administration. Patients will be randomly assigned to 1 of 2 treatment arms prior to study drug administration. Approximately 40 patients will be randomized in a 1:1 ratio to the following treatment arms: * GPC-100 in combination with propranolol; or * GPC-100 in combination with propranolol and G-CSF. To characterize the safety and clinical activity of GPC-100, the study will employ a Bayesian Optimal Phase II (BOP2) design to enroll patients for each arm. All patients will receive via IV 3.14 mg/kg GPC-100 (Burixafor) at least 2 hours prior to leukapheresis sessions from Days 7-8 (Days 9-11 optional) and 30 mg propranolol (3 x 10 mg tablets) twice daily at 8:30 AM (+/- 1 hr) and 4:00 PM (+/- 1 hr) local time from Days 1 to 8 (and on Days 9-11, if applicable). Patients will administer the first dose of propranolol onsite on Day 1. Patients will be provided with doses of propranolol for self-administration at time points when they are not otherwise required to be onsite. Sites should contact patients via telephone to confirm propranolol administration for doses administered outside of clinic.

Study identification

NCT ID
NCT05561751
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
GPCR Therapeutics, Inc.
Industry
Enrollment
30 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Feb 12, 2023
Primary completion
Sep 29, 2025
Completion
Oct 30, 2025
Last update posted
Feb 11, 2026

2023 – 2025

United States locations

U.S. sites
10
U.S. states
10
U.S. cities
10
Facility City State ZIP Site status
University of California, San Diego (UCSD) - Moores Cancer Center La Jolla California 92037
University of Florida (UF) - Shands Cancer Center Gainesville Florida 32608
Indiana Blood and Marrow Transplantation Indianapolis Indiana 46077
University of Massachusetts Worcester Massachusetts 01655
Barbara Ann Karmanos Cancer Institute Detroit Michigan 48201
John Theurer Cancer Center At Hackensack UMC Hackensack New Jersey 07601
David H. Koch Center for Cancer Care at Memorial Sloan Kettering Cancer Center New York New York 10021
The Cleveland Clinic Foundation Cleveland Ohio 44195
MD Anderson Cancer Center Houston Texas 77030
Virginia Commonwealth University - Massey Cancer Center Richmond Virginia 23284

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05561751, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Feb 11, 2026 · Synced Sep 7, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05561751 live on ClinicalTrials.gov.

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