Phase 1 · Lake Forest, CA
Phase 1 clinical trials in Lake Forest, CA
10 recruiting studies have a site in Lake Forest.
10 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
A Study to Learn How the Body Processes the Study Medicine PF-07328948 in People With Reduced Kidney Function
Pfizer
- Location
- Lake Forest, CA + 3 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 1/Phase 2
First-in-human Study of the Safety, Tolerability, Pharmacokinetics, and Food Effect of ACCG-2671
Aconcagua Bio, Inc. a wholly owned subsidiary of Structure Therapeutics
- Location
- Lake Forest, CA + 2 other US sites
- Eligibility basics
- Ages 25–75
- RecruitingHealthy volunteersPhase 1
A Study to Evaluate the Pharmacokinetics (PK) and Safety of a Single Dose of Treprostinil Palmitil Inhalation Powder (TPIP) in Participants With Normal Hepatic Function and Participants With Hepatic Impairment
Insmed Incorporated
- Location
- Lake Forest, CA + 3 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteersPhase 1
A Trial Evaluating AMG 127 in Healthy Participants and Participants With Type 2 Diabetes Mellitus
Amgen
- Location
- Lake Forest, CA + 1 other US site
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteersPhase 1
A Study to Learn How the Body Processes the Study Medicine PF-07328948 in People With and Without Reduced Liver Function
Pfizer
- Location
- Lake Forest, CA + 2 other US sites
- Eligibility basics
- Ages 18–74
- RecruitingHealthy volunteersPhase 1
A Study to Learn About a Vaccine Against E Coli in Healthy Adults
Pfizer
- Location
- Lake Forest, CA + 9 other US sites
- Eligibility basics
- Ages 18–64
- RecruitingPhase 1
A Phase 1 Study of VK3019 in Overweight and Obese Adults Without Comorbidities
Viking Therapeutics, Inc.
- Location
- Lake Forest, CA
- Eligibility basics
- Ages 18–60
- RecruitingPhase 1
A Study to Assess the Safety, Tolerability, and Pharmacokinetics of GIGA-2339 in Participants With Chronic Hepatitis B Virus Infection
GigaGen, Inc.
- Location
- Lake Forest, CA + 10 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 1
A Phase 1 Study of VK2735 in Obese Adults Without Comorbidities
Viking Therapeutics, Inc.
- Location
- Lake Forest, CA + 1 other US site
- Eligibility basics
- Ages 18–60
- RecruitingPhase 1
A Study to Learn How Different Amounts of the Study Medicine Called PF-08642534 Are Tolerated and Act in the Body of People Who Have Obesity
Pfizer
- Location
- Lake Forest, CA
- Eligibility basics
- Ages 18–70
Who these studies look for
Phase 1 studies often have narrow eligibility: specific age and weight ranges, no recent participation in another study, no nicotine, and limits on medications. Some Phase 1 studies recruit patients rather than healthy volunteers, so check each listing.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.