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California Paid Clinical Trials
A listing of 5622 clinical trials in California actively recruiting volunteers for paid trials and research studies in various therapeutic areas.
445 - 456 of 5622
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California is currently home to 5622 active clinical trials, seeking participants for engagement in research studies. These trials take place at a variety of cities in the state, including Los Angeles, San Francisco, San Diego and Sacramento. Whether you're a healthy volunteer interested in paid medical research or someone seeking trials related to a specific condition, the state offers a diverse array of opportunities in your vicinity.
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Paid Clinical Studies Nationwide
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Nationwide clinical trials offered in your area. Some trials offering up to several thousand dollars in compensation for participation.
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Conditions:
Overweight
Overweight and Obesity
Obesity
Weight Loss
Morbid Obesity
A Study of Nipocalimab in Children Aged 2 to Less Than 18 Years With Generalized Myasthenia Gravis
Recruiting
The purpose of this study is to determine the effect of nipocalimab on total serum immunoglobulin G (IgG) in pediatric participants 2 to less than (\<) 18 years of age (globally) and 8 to \<18 years of age (for Unites Stated (US) sites only), the safety and tolerability of treatment with nipocalimab in children and adolescents and to evaluate the pharmacokinetics (PK) of nipocalimab in children and adolescents with generalized myasthenia gravis (gMG) who have an insufficient clinical response to... Read More
Gender:
ALL
Ages:
Between 2 years and 17 years
Trial Updated:
07/17/2025
Locations: Childrens Hospital Los Angeles, Los Angeles, California
Conditions: Myasthenia Gravis
A Study of Daratumumab-Based Therapies in Participants With Amyloid Light Chain (AL) Amyloidosis
Recruiting
The purpose of this study is to characterize cardiac safety of Daratumumab, Cyclophosphamide, Bortezomib, and Dexamethasone (D-VCd) treatment regimens (Arm A: daratumumab + immediate VCd treatment and Arm B: daratumumab + deferred VCd) in newly diagnosed systemic amyloid light chain (AL) amyloidosis with cardiac involvement and to identify potential mitigation strategies for cardiac toxicity (cohort 1); to characterize the pharmacokinetics of subcutaneous (SC) daratumumab, among racial and ethni... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/17/2025
Locations: City of Hope, Duarte, California
Conditions: Amyloidosis
A Long-term Study for Participants Previously Treated With Ciltacabtagene Autoleucel
Recruiting
The purpose of this study is to collect long-term follow-up data on delayed adverse events after administration of ciltacabtagene autoleucel (cilta-cel), and to characterize and understand the long-term safety profile of cilta-cel.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/17/2025
Locations: City of Hope, Duarte, California
Conditions: Multiple Myeloma
A Study of Ustekinumab or Guselkumab in Pediatric Participants With Active Juvenile Psoriatic Arthritis
Recruiting
The purpose of this study is to evaluate the pharmacokinetics (PK), efficacy, safety and immunogenicity of ustekinumab and guselkumab in active juvenile psoriatic arthritis (jPsA).
Gender:
ALL
Ages:
Between 5 years and 17 years
Trial Updated:
07/17/2025
Locations: Childrens Hospital Los Angeles, Los Angeles, California
Conditions: Arthritis, Juvenile
A Study to Evaluate the Efficacy and Safety of Rozanolixizumab in Adult Participants With Myelin Oligodendrocyte Glycoprotein (MOG) Antibody-associated Disease (MOG-AD)
Recruiting
The purpose of the study is to evalute the efficacy, safety and tolerability of rozanolixizumab for treatment of adult participants with myelin oligodendrocyte glycoprotein (MOG) antibody-associated disease (MOG-AD).
Gender:
ALL
Ages:
Between 18 years and 89 years
Trial Updated:
07/17/2025
Locations: Mog001 50450, Palo Alto, California
Conditions: Myelin Oligodendrocyte Glycoprotein Antibody-associated Disease (MOG-AD)
Improving Nutrition and Physical Activity for Cancer Survivors (Tools To Be Fit)
Recruiting
This clinical trial studies the effect of four different intervention components "tools" on body weight, nutrition, and physical activity in cancer survivors. Studies indicate that people with a history of cancer whose nutrition and physical activity habits are consistent with the American Cancer Society's Nutrition and Physical Activity Guidelines may have longer disease-free survival. The four different intervention components may help patients with a history of cancer adopt recommended health... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/17/2025
Locations: University of California San Francisco, San Francisco, California
Conditions: Bladder Cancer, Breast Cancer, Colon Cancer, Endometrial Cancer, Ovarian Cancer, Rectal Cancer, Prostate Cancer, Renal Cell Carcinoma, Kidney Cancer
Combination Therapy for the Treatment of Diffuse Midline Gliomas
Recruiting
This phase II trial determines if the combination of ONC201 with different drugs, panobinostat or paxalisib, is effective for treating participants with diffuse midline gliomas (DMGs). Despite years of research, little to no progress has been made to improve outcomes for participants with DMGs, and there are few treatment options. ONC201, panobinostat, and paxalisib are all enzyme inhibitors that may stop the growth of tumor cells by clocking some of the enzymes needed for cell growth. This phas... Read More
Gender:
ALL
Ages:
Between 2 years and 39 years
Trial Updated:
07/17/2025
Locations: Children's Hospital Los Angeles, Los Angeles, California
Conditions: Diffuse Intrinsic Pontine Glioma, Diffuse Midline Glioma, H3 K27M-Mutant, Recurrent Diffuse Intrinsic Pontine Glioma, Recurrent Diffuse Midline Glioma, H3 K27M-Mutant, Recurrent WHO Grade III Glioma, WHO Grade III Glioma
A Study of Guselkumab Administered Subcutaneously in Bio-naive Participants With Active Psoriatic Arthritis Axial Disease
Recruiting
The purpose of this study is to evaluate the efficacy of guselkumab treatment in participants with active psoriatic arthritis (PsA) axial disease by assessing reduction in axial symptoms and inflammation.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/17/2025
Locations: Kaiser Permanent Medical Center, Fontana, California
Conditions: Arthritis, Psoriatic
JNJ-90301900 (NBTXR3) Activated by Radiotherapy With or Without Cetuximab in LA-HNSCC
Recruiting
This is a global, open-label, randomized, 2-arm, Investigator's choice Phase 3 (Pivotal Stage) study to investigate the efficacy and safety of JNJ-90301900 (NBTXR3) / radiation therapy (RT)±cetuximab versus RT±cetuximab in treatment-naïve, platinum-ineligible, elderly participants with locally advanced head and neck squamous cell carcinoma (LA-HNSCC).
Gender:
ALL
Ages:
60 years and above
Trial Updated:
07/17/2025
Locations: City of Hope, Duarte, California
Conditions: Locally Advanced Head and Neck Squamous Cell Carcinoma, Aged
ARX517/JNJ-95298177 as Monotherapy or Combination Therapy in Subjects With Metastatic Prostate Cancer
Recruiting
This is a phase 1 study to assess the safety and tolerability of ARX517 as monotherapy or combination therapy in adult subjects with metastatic prostate cancer (mPC).
Gender:
MALE
Ages:
18 years and above
Trial Updated:
07/17/2025
Locations: University of California, Los Angeles School of Medicine, Los Angeles, California
Conditions: Metastatic Prostate Cancer
A Study of JNJ-69086420, an Actinium-225-Labeled Antibody Targeting Human Kallikrein-2 (hK2) for Advanced Prostate Cancer
Recruiting
The purpose of this study is to determine the recommended Phase 2 dose(s) (RP2D\[s\]) of JNJ-69086420 in Part 1 (Dose Escalation), to determine safety and preliminary signs of clinical activity at the RP2D(s) in Part 2 (Dose Expansion), to determine safety of JNJ-69086420 at the RP2D(s) as a combination therapy in Part 3 (combination therapy) and to determine safety of JNJ-69086420 at the RP2D(s) in participants with metastatic hormone-sensitive prostate cancer (mHSPC) in Part 4.
Gender:
MALE
Ages:
18 years and above
Trial Updated:
07/17/2025
Locations: City of Hope, Duarte, California
Conditions: Prostatic Neoplasms, Adenocarcinoma
A Study of Talquetamab in Participants With Relapsed or Refractory Multiple Myeloma
Recruiting
The purpose of this study is to evaluate the efficacy and safety of talquetamab in participants with relapsed or refractory multiple myeloma at the recommended Phase 2 dose(s) (RP2Ds) (Part 3).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/17/2025
Locations: City of Hope, Duarte, California
Conditions: Hematological Malignancies
445 - 456 of 5622
Kaiser Permanente houses over 6,000 physicians in southern California and it is also one of the largest research centers on the state. On its clinical trial division, Kaiser Permanente conducts clinical trials of almost every specialty funded by pharmaceutical companies, government, and foundations.
The Cedars-Sinai Medical Center located in Los Angeles is one of the largest research centers owned and operated by a private hospital in the United States. Focusing on biomedical, cancer, and heart research among other specialties, you can find almost any type of clinical trials for both health and non-healthy volunteers at the research division of Cedar-Sinai Medical Center.
There are around 100,000 clinical trials happening every year across the United States about almost every condition out there. While most clinical trials are testing drugs or medical devices there are also many behavioral and observational trials going on at any point in time. Many paid research studies are held at these California locations.
Clinical trials are incredibly important for making new medical and scientific discoveries, finding new and better methods for diagnosing medical conditions early, testing new interventions, and even developing safer and more effective surgical procedures.
In order for all these discoveries to me made available to the general population they need to go through years of rigorous testing both in healthy and non-healthy volunteers. During those years, medical professionals follow a protocol that has been previously approved by the FDA or other regulatory agency to test the effectiveness and safety of their discovery.
Other people choose to participate in a clinical trial because they feel it is a good way to contribute to the advancement of medical knowledge and that their participation can help many people in the future. The following lists of trials are broken down by condition, and to find a specific clinical trial in your area click through to clinicaltrials.gov.
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