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GEH200520 and GEH200521

Phase 1

Healthy Volunteers | Small molecule | Other |GE HealthCare Technologies Inc.|Last Updated: Mar 6, 2026

Success Probability

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Market & Valuation

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Trial Design

CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment22

FDA Designations

No designations recorded

Clinical trial landscape

GEH200520 and GEH200521 · 1 trial · 1 indication

Phase 1 1
NCT06398730A Phase 1, Dose-Escalation, Positron Emission Tomography Study to Assess the Safety, Pharmacokinetics, Dosimetry and Biodistribution of GEH200521 (18F) Injection Co-Administered With GEH200520 Injection in Healthy VolunteersHealthy Volunteers
COMPLETED22 Analytics
PHASE1COMPLETED
A Phase 1, Dose-Escalation, Positron Emission Tomography Study to Assess the Safety, Pharmacokinetics, Dosimetry and Biodistribution of GEH200521 (18F) Injection Co-Administered With GEH200520 Injection in Healthy Volunteers
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Study Endpoints

Primary Endpoints

Incidence of all TEAEs
7 days

Incidence of all grading of TEAEs per National Cancer Institute's (NCI) Common Terminology Criteria for Adverse Events (CTCAE) Version 5.0 based on the causality to the IMPs.

Secondary Endpoints

Radiation dosimetry and biodistribution of GEH200521 (18F) Injection after the GEH200520 Injection mass doses.
7 days
Optimal imaging window post-GEH200521 (18F) Injection after the GEH200520 Injection mass doses.
7 days
Mass dose of GEH200520 Injection followed by a fixed dose of GEH200521 (18F) Injection to achieve a diagnostic positron emission tomography (PET) image quality.
7 days
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeDIAGNOSTIC

Treatment Arms

ArmTypeDescription
A non-radiolabeled GEH200520 - 1 mgEXPERIMENTAL -
A non-radiolabeled GEH200520 - 2 mgEXPERIMENTAL -
A non-radiolabeled GEH200520 - 4 mgEXPERIMENTAL -
A non-radiolabeled GEH200520 - 6 mgEXPERIMENTAL -
A non-radiolabeled GEH200520 - 8 mgEXPERIMENTAL -
A non-radiolabeled GEH200520 - 10 mgEXPERIMENTAL -
A non-radiolabeled GEH200520 - 12 mg or 15 mgEXPERIMENTAL -

Interventions

NameTypeDescription
GEH200520 Injection and GEH200521 (18F) InjectionDRUGAdministration of GEH200520 Injection followed by GEH200521 (18F) Injection
Static - PET/CT scanDIAGNOSTIC_TESTRepeat whole body static scan starting 3 minutes after injection followed by a single whole body static scan at 2 to 3 hours after injection and 4 to 5 hours after injection
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * The subject is able and willing to comply with all study procedures as described in the protocol, and has read, signed, and dated an informed consent form prior to any study procedures being performed. * The subject is male or female ≥18 years of age. * The subject has a body ...

Countries:United States
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Frequently asked questions about GEH200520 and GEH200521

What is GEH200520 and GEH200521 used for?

GEH200520 and GEH200521 are investigational small molecules being studied in healthy volunteers. They are part of a Phase 1 positron emission tomography study to assess safety, pharmacokinetics, dosimetry, and biodistribution. The study involves co-administering GEH200521 (18F) Injection with GEH200520 Injection. The drug is not approved and remains in clinical development.

Who makes GEH200520 and GEH200521?

GEH200520 and GEH200521 are being developed by GE HealthCare Technologies Inc., traded on the New York Stock Exchange under the ticker GEHC. The company is conducting a Phase 1 clinical trial of these investigational agents in healthy volunteers in the United States.

What phase is GEH200520 and GEH200521 in?

GEH200520 and GEH200521 are in Phase 1 clinical development. The Phase 1 trial, NCT06398730, is a dose-escalation positron emission tomography study in healthy volunteers. The trial has been completed. These agents are investigational and have not been approved by regulatory authorities.

What clinical trials is GEH200520 and GEH200521 in?

GEH200520 and GEH200521 are being studied in one completed Phase 1 clinical trial, NCT06398730. This trial enrolled 22 healthy volunteers in the United States and assessed the safety, pharmacokinetics, dosimetry, and biodistribution of GEH200521 (18F) Injection co-administered with GEH200520 Injection.

Is GEH200520 and GEH200521 the same as GEH200520 Injection / GEH200521 (18F) Injection - Part A?

Yes, GEH200520 and GEH200521 are also known as GEH200520 Injection / GEH200521 (18F) Injection - Part A, and GEH200520/ GEH200521- Part A. These alternative names refer to the same investigational agents being studied in the Phase 1 clinical trial.