Paid Clinical Trials in Bellflower, CA
As of June 2026, 49 paid clinical trials are recruiting in Bellflower, California. Compensation typically covers time, travel, and study visits, with stipends ranging from modest amounts for short outpatient studies to several thousand dollars for long or inpatient protocols.
Bellflower offers studies at sites including Kaiser Permanente-Bellflower for conditions such as Major Depressive Disorder, Stage IV Lung Cancer AJCC v8, Schizophrenia, Anatomic Stage IV Breast Cancer AJCC v8. Both patients with specific conditions and healthy volunteers can qualify. Most trials offer free study-related medical care alongside compensation.
Recruiting trial data synced daily from ClinicalTrials.gov. Last sync: .
Trials by specialty in Bellflower
Trials by drug in Bellflower
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48 clinical trials
↓ Download CSVA Study of Brenipatide in Adult Participants With Schizophrenia
Multicenter Study to Assess the Efficacy and Safety of LB-102 in the Treatment of Adult Patients With BP1MDE.
A Study to Evaluate the Effect of KarXT on Urological Safety
Induction Pembrolizumab and Chemotherapy Followed by Pembrolizumab Before Chemoradiation and Pembrolizumab Maintenance Compared to Standard Chemoradiation With Pembrolizumab Followed by Pembrolizumab Maintenance in High-Risk Cervical Cancer
A Study to Evaluate the Efficacy and Safety of Adjunctive KarXT for the Treatment of Mania, With or Without Mixed Features, in Participants With Bipolar-I Disorder Taking Lithium, Valproate, or Lamotrigine
A Randomized Study of Azetukalner Versus Placebo in Depressive Episodes Associated With Bipolar I or II Disorder (Bipolar Depression)
A Study to Assess the Long-term Safety of KarXT for the Treatment of Manic Episodes in Bipolar-I Disorder (BALSAM-3)
A Randomized Study of Azetukalner Versus Placebo in Major Depressive Disorder (X-NOVA3)
E-Mindfulness Approaches for Living After Breast Cancer
A Study to Evaluate the Efficacy and Safety of KarXT for the Treatment of Manic Episodes in Bipolar-I Disorder
Adding the Immunotherapy Drug Cemiplimab to Usual Treatment for People With Advanced Non-Small Cell Lung Cancer Who Had Previous Treatment With Platinum Chemotherapy and Immunotherapy (An Expanded Lung-MAP Treatment Trial)
An 8-week Open-label Study of an Accelerated and Slower Switching to Xanomeline/Trospium Following Atypical Antipsychotic Treatment in Participants With Schizophrenia
An Open-Label Study of Azetukalner in Major Depressive Disorder
Testing Olaparib for One or Two Years, With or Without Bevacizumab, to Treat Ovarian Cancer
A Trial of the Efficacy and Safety of SEP-363856 in Acutely Psychotic Participants With Schizophrenia
"A Study of a Deuterated Psilocin Analog (CYB003) in Humans With Major Depressive Disorder"
Testing Longer Duration Radiation Therapy Versus the Usual Radiation Therapy in Patients With Cancer That Has Spread to the Brain
Targeted Treatment for Advanced Non-Small Cell Lung Cancer That Has a MET Exon 14 Skipping Gene Change (An Expanded Lung-MAP Treatment Trial)
Adding Nivolumab to Usual Treatment for People With Advanced Stomach or Esophageal Cancer, PARAMUNE Trial
Study of Lumateperone in the Acute Treatment of Patients With Bipolar Mania
Testing the Role of DNA Released From Tumor Cells Into the Blood in Guiding the Use of Immunotherapy After Surgical Removal of the Bladder, Kidney, Ureter, and Urethra for Urothelial Cancer Treatment, MODERN Study
Mobile Health for Adherence in Breast Cancer Patients
A Study to Evaluate the Efficacy of AXS-05 Compared to Bupropion in Preventing the Relapse of Depressive Symptoms
Evaluating the Addition of Adjuvant Chemotherapy to Ovarian Function Suppression Plus Endocrine Therapy in Premenopausal Patients With pN0-1, ER-Positive/HER2-Negative Breast Cancer and an Oncotype Recurrence Score Less Than or Equal to 25
Shorter Chemo-Immunotherapy Without Anthracycline Drugs for Early-Stage Triple Negative Breast Cancer
Study of ALTO-300 in MDD
Comparing Combinations of Targeted Drugs for Advanced Non-Small Cell Lung Cancer That Has EGFR and MET Gene Changes (A Lung-MAP Treatment Trial)
A Study of Tucatinib With Trastuzumab and mFOLFOX6 Versus Standard of Care Treatment in First-line HER2+ Metastatic Colorectal Cancer
Colon Adjuvant Chemotherapy Based on Evaluation of Residual Disease
Evaluating the Addition of the Immunotherapy Drug Atezolizumab to Standard Chemotherapy Treatment for Advanced or Metastatic Neuroendocrine Carcinomas That Originate Outside the Lung
A Study of Disitamab Vedotin Alone or With Pembrolizumab in Urothelial Cancer That Expresses HER2
Thoracotomy Versus Thoracoscopic Management of Pulmonary Metastases in Patients With Osteosarcoma
An Extension Study to Assess Long-Term Safety and Tolerability of Adjunctive KarXT in Subjects With Inadequately Controlled Symptoms of Schizophrenia
Five or Ten Year Colonoscopy for 1-2 Non-Advanced Adenomatous Polyps
De-Escalation of Breast Radiation Trial for Hormone Sensitive, HER-2 Negative, Oncotype Recurrence Score Less Than or Equal to 18 Breast Cancer (DEBRA)
Testing if High Dose Radiation Only to the Sites of Brain Cancer Compared to Whole Brain Radiation That Avoids the Hippocampus is Better at Preventing Loss of Memory and Thinking Ability
Testing What Happens When an Immunotherapy Drug (Pembrolizumab) is Given by Itself Compared to the Usual Treatment of Chemotherapy With Radiation After Surgery for Recurrent Head and Neck Squamous Cell Carcinoma
Testing Early Treatment for Patients With High-Risk Chronic Lymphocytic Leukemia (CLL) or Small Lymphocytic Leukemia (SLL), EVOLVE CLL/SLL Study
A Study to Compare Blinatumomab Alone to Blinatumomab With Nivolumab in Patients Diagnosed With First Relapse B-Cell Acute Lymphoblastic Leukemia (B-ALL)
About research studies in Bellflower
Bellflower has approximately 49 recruiting research studies across a wide range of therapeutic areas. California hosts a dense network of world-class research institutions, including UC San Diego Health, Stanford Medicine, UCLA Health, UCSF, City of Hope, and Scripps Research. The state's thriving biotech corridor and diverse patient population make it a national hub for both early-phase and late-phase clinical research.
Top Research Study Locations in Bellflower
Researchers run research studies in Bellflower, CA at 13 active sites. The clinics below currently host the largest number of recruiting studies — each name is followed by the conditions they focus on most.
| Site | Specializes in | Active trials |
|---|---|---|
| Kaiser Permanente-Bellflower | Stage IV Lung Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Breast Cancer | 29 |
| Clinical Innovations, Inc. dba CITrials | Schizophrenia, Bipolar Disorder, Bipolar Disorder Type I With Mania | 4 |
| Clinical Innovations Inc | Bipolar Depression, Bipolar Disorder, Bipolar I Disorder | 2 |
| Kaiser Permanente Bellflower Medical Offices | Colorectal Neoplasms, Urothelial Carcinoma | 2 |
| CITrials | Bipolar-I Disorder With Mania or Mania With Mixed Features | 1 |
| CITrials - Bellflower | Schizophrenia | 1 |
| CenExel | Bipolar I Disorder | 1 |
| CenExel CIT (Clinical Innovations, Inc) | Major Depressive Disorder | 1 |
| CenExel CIT LA | Schizophrenia Disorders | 1 |
| Cenexel Cit - Bellflower | Major Depressive Disorder | 1 |
| Clinical Innovations, Inc. dba CITrials (Bellflower) | Schizophrenia | 1 |
| Local Institution - 0016 | Solid Tumors | 1 |
| Neumora Investigator site | Major Depressive Disorder | 1 |
Active & Upcoming Studies in Bellflower (2026)
Recruiting trials in Bellflower grouped by therapeutic area, drawn from ClinicalTrials.gov. Each bucket shows the most recent example studies.
Cancer & tumors (26 active studies)
- Induction Pembrolizumab and Chemotherapy Followed by Pembrolizumab Before Chemoradiation and Pembrolizumab Maintenance Compared to Standard Chemoradiation With Pembrolizumab Followed by Pembrolizumab Maintenance in High-Risk Cervical Cancer · Phase 3 · National Cancer Institute (NCI)
- E-Mindfulness Approaches for Living After Breast Cancer · Phase 3 · NRG Oncology
Mental health & behavior (12 active studies)
- A Study of Brenipatide in Adult Participants With Schizophrenia · Phase 2 · Eli Lilly and Company
- Multicenter Study to Assess the Efficacy and Safety of LB-102 in the Treatment of Adult Patients With BP1MDE. · Phase 2 · LB Pharmaceuticals Inc.
Common conditions studied in Bellflower
- Major Depressive Disorder (6 active studies). Major depressive disorder research examines rapid-acting agents, augmentation strategies, and digital therapeutics for treatment-resistant cases.
- Stage IV Lung Cancer AJCC v8 (5 active studies). Lung cancer research focuses on targeted therapies for specific mutations such as EGFR, ALK, and KRAS, alongside immunotherapy regimens.
- Schizophrenia (4 active studies). Schizophrenia research tests muscarinic agonists, long-acting injectable antipsychotics, and cognitive remediation therapies.
- Anatomic Stage IV Breast Cancer AJCC v8 (3 active studies). Breast cancer trials evaluate new hormone therapies, targeted drugs, and immunotherapy combinations aimed at improving survival and reducing recurrence.
- Breast Cancer (3 active studies). Breast cancer trials evaluate new hormone therapies, targeted drugs, and immunotherapy combinations aimed at improving survival and reducing recurrence.
- Recurrent Lung Non-Small Cell Carcinoma (3 active studies). ENT (otolaryngology) trials evaluate new treatments for hearing loss, swallowing disorders, and head and neck cancers — covering pharmacologic, surgical, and rehabilitative approaches.
Leading research sponsors in Bellflower
- NRG Oncology
- National Cancer Institute (NCI)
- SWOG Cancer Research Network
- Bristol-Myers Squibb
- Xenon Pharmaceuticals Inc.
Local regulations and guidelines
Clinical trials in California are governed by U.S. Food and Drug Administration (FDA) regulations, Office for Human Research Protections (OHRP) standards, and federal HIPAA privacy rules. Every study is reviewed by an Institutional Review Board (IRB) to protect participant safety and ensure informed consent. In addition, California-specific protections such as the California Consumer Privacy Act (CCPA) and the Confidentiality of Medical Information Act (CMIA) impose stringent data-privacy requirements on research involving California residents.
Compensation & what to expect
- How payment typically works
- Compensation is most often provided through reloadable electronic study cards or direct deposit, paid out per completed visit rather than as a lump sum. Amounts vary by the time required, the number of visits, and the study's complexity — overnight stays and inpatient pharmacology studies generally pay more than short outpatient surveys. The exact amount is disclosed in writing during informed consent before any visit.
- Healthy volunteers
- Healthy participants aged 18 and older can earn compensation by joining vaccine, pharmacology, and biomarker studies in Bellflower. These trials check how a new drug or vaccine behaves in healthy bodies before later-phase testing. Many sites maintain a healthy-volunteer registry so you hear about new opportunities first.
- What's included beyond payment
- Most trials cover study-related medical care at no cost — physical exams, lab work, imaging, the investigational treatment itself, and follow-up visits with the research team. Insurance is not required to participate. Free check-ups and access to specialists are common reasons participants return for additional studies.
- Travel and time
- Many sponsors reimburse travel, parking, mileage, and lost wages for visit days. Long-running studies and trials that require frequent visits often raise stipends accordingly. Ask the study coordinator for the visit schedule and reimbursement policy before you commit.
- Asking about compensation
- Compensation is set per protocol and per site, so figures are not published in trial registries. The fastest way to confirm payment for a specific study is to contact the recruiting site listed on the study record. Coordinators are accustomed to this question and will quote the per-visit and total amounts up front.
How to find a clinical trial in Bellflower
Hipa.ai aggregates every recruiting study in Bellflower from ClinicalTrials.gov and refreshes the list daily. Use the filters above to narrow by condition, facility, age, phase, or healthy-volunteer eligibility, then click any study title to view full details — eligibility criteria, intervention, location, and sponsor contact information. To enroll, reach out to the central study contact listed on the study detail page; the research coordinator will walk you through the screening process.
Frequently asked questions
How many paid clinical trials are currently recruiting in Bellflower?
There are approximately 49 recruiting clinical trials in Bellflower, California listed on ClinicalTrials.gov. The number changes weekly as new studies open and others close enrollment.
Do clinical trials in Bellflower pay participants?
Most recruiting trials in Bellflower compensate participants for their time, travel, and study visits. Compensation varies by sponsor, study phase, and visit requirements — the exact amount is disclosed by the study team during the informed consent process.
Who can participate in a clinical trial in Bellflower?
Eligibility depends on the specific study. Each trial defines its own inclusion criteria (age, diagnosis, medical history, prior treatments) and exclusion criteria. Both patients with specific conditions and healthy volunteers can qualify, depending on the study design.
What conditions are most commonly studied in Bellflower?
The most common conditions under active study in Bellflower include Major Depressive Disorder (6), Stage IV Lung Cancer AJCC v8 (5), Schizophrenia (4), Anatomic Stage IV Breast Cancer AJCC v8 (3), among many others. Browse the list above to explore every recruiting trial.
Are there clinical trials for healthy volunteers in Bellflower?
Yes. Healthy-volunteer studies — often early-phase pharmacology or vaccine trials — recruit in Bellflower on an ongoing basis. Use the "Healthy volunteers only" filter above to view trials that accept participants without the study's target condition.
How do I enroll in a clinical trial in Bellflower?
Click any study title above to see the full study record, including eligibility criteria, visit schedule, and the study team's contact information. Reach out to the central contact or recruiting site directly — they will guide you through screening and informed consent.
Where can I take part in paid clinical trials in Bellflower?
Recruiting research sites in Bellflower include Kaiser Permanente-Bellflower, Clinical Innovations, Inc. dba CITrials, Clinical Innovations Inc, among others. Each site lists its open studies and contact information on the study record above — call or email the site coordinator to ask about screening for a specific protocol.
What kinds of studies are recruiting in Bellflower right now?
The largest active categories in Bellflower are Cancer & tumors (26), Mental health & behavior (12). Use the filters above to narrow by therapeutic area, phase, age, or healthy-volunteer eligibility.