Not medical advice. This website is not medical advice, a diagnosis, a match to a trial, or a recommendation to join a study. Listings are plain-English rewrites of public ClinicalTrials.gov records. Whether a site is still enrolling, and whether you qualify, can only be confirmed by the study team and your clinician. Source registry: ClinicalTrials.gov. Editorial rules: methodology.

Home / Locations / Sofia, Bulgaria

68 recruiting in this snapshot

Trials with a site in Sofia, Bulgaria

These studies list at least one location in Sofia, Bulgaria. A listed city is not a guarantee the site is still taking patients — call the contact.

RecruitingPhase 2Rousse
Phase 2: testing Glycopyrronium bromide 25ug for Asthma

This study wants to characterize the bronchodilator effect, systemic exposure and safety/tolerability of two different doses of inhaled glycopyrronium, when compared to dummy treatment (placebo). Outcome of this study will be used to determine the dose of inhaled glycopyrronium for the development of fixed dose combination indacaterol/mometasone/glycopyrronium (QVM149) for children aged 6 to less than 12 years old with moderate to severe asthma.

NCT05222529 · Official ClinicalTrials.gov record · Novartis Pharmaceuticals

RecruitingPhase 3Mobile, Alabama
Phase 3: testing XEN1101 for Primary Generalized Tonic-Clonic Seizures

This is a Phase 3, multicenter, randomly assigned, neither you nor the study doctors know who gets the real treatment, compared with a dummy treatment study to measure the clinical how well it works, safety, and tolerability of XEN1101 administered as added on top of your current treatment treatment in primary generalized tonic-clonic seizures (PGTCS).

NCT05667142 · Official ClinicalTrials.gov record · Xenon Pharmaceuticals Inc.

RecruitingPhase 3Little Rock, Arkansas
Phase 3: testing XEN1101 for Focal Onset Seizures

The X-TOLE3 Phase 3 clinical trial is a randomly assigned, neither you nor the study doctors know who gets the real treatment, compared with a dummy treatment study that will measure the clinical how well it works, whether it is safe and how hard side effects are to live with of XEN1101 administered as added on top of your current treatment therapy in focal-onset seizures.

NCT05716100 · Official ClinicalTrials.gov record · Xenon Pharmaceuticals Inc.

RecruitingPhase 3Phoenix, Arizona
Phase 3: testing Risankizumab for Crohn's Disease

Crohn's Disease (CD) is a gastrointestinal disease that can cause chronic diarrhea with or without gross bleeding, abdominal pain, weight loss, and fever. This study will assess the pharmacokinetics, how well it works, and safety of risankizumab in pediatric participants with moderately to severely active CD aged 2 to \< 18 years old who have had intolerance or inadequate response to other therapies.

NCT05995353 · Official ClinicalTrials.gov record · AbbVie

RecruitingPhase 2 / Phase 3Chandler, Arizona
Phase 2 / Phase 3: testing ACP-204 for Alzheimer's Disease Psychosis

This is a master protocol for 3 independent, seamlessly enrolling, multicenter, randomly assigned, neither you nor the study doctors know who gets the real treatment, compared with a dummy treatment, parallel-group studies in patients with ADP * Substudy 1 (Phase 2) will evaluate how well it works and dose response of ACP-204 30 and 60 mg vs dummy treatment (placebo). * Substudies 2A and 2B (both: Phase 3) will be confirmatory studies of either both doses (ACP-204 30 and 60 mg, respectively) or a single dose from Part 1 vs dummy treatment (placebo).

NCT06159673 · Official ClinicalTrials.gov record · ACADIA Pharmaceuticals Inc.

RecruitingPhase 2Lancaster, California
Phase 2: testing Placebo for Inflammatory Bowel Diseases

This is a Phase 2, randomly assigned, neither you nor the study doctors know who gets the real treatment, compared with a dummy treatment, multicenter study to measure the how well it works and safety of 3 active dose regimens of MORF-057 in adult study participants with moderately to severely active Crohn's disease (CD).

NCT06226883 · Official ClinicalTrials.gov record · Morphic Therapeutic, Inc. (A Wholly Owned Subsidiary of Eli Lilly and Company)

RecruitingPhase 3Huntsville, Alabama
Phase 3: testing VE303 for Clostridium Difficile

The overall objective of the RESTORATiVE303 study is to measure the safety and the Clostridioides difficile infection (CDI) recurrence rate at Week 8 in participants who receive a 14-day course of VE303 or matching dummy treatment (placebo). The objectives and endpoints are identical for Stage 1 (recurrent CDI) and Stage 2 (high-risk primary CDI).

NCT06237452 · Official ClinicalTrials.gov record · Vedanta Biosciences, Inc.

RecruitingPhase 3Alexander City, Alabama
Phase 3: testing balcinrenone/dapagliflozin 15 mg/10 mg and matching placebo for dapagliflozin 10 mg for Heart Failure and Impaired Kidney Function

This is a Phase III, international, multi-centre, randomly assigned, neither you nor the study doctors know who gets the real treatment, parallel-group, double-dummy, active-controlled, event-driven study in patients with chronic HF and impaired kidney function who had a recent HF event. The aim is to measure the effect of balcinrenone/dapagliflozin vs dapagliflozin, given once daily on top of other classes of SoC, on CV death and HF events.

NCT06307652 · Official ClinicalTrials.gov record · AstraZeneca

RecruitingPhase 3Bakersfield, California
Phase 3: testing Calderasib for Non-small Cell Lung Cancer

This is a study evaluating the how well it works and safety of calderasib with pembrolizumab as first-line treatment in participants with locally advanced or metastatic non-small cell lung cancer (NSCLC) with identified Kirsten rat sarcoma viral oncogene homolog G12C (KRAS G12C) mutation and programmed cell death ligand 1 (PD-L1) tumor proportion score (TPS) ≥50%. There is one primary study hypothesis: Combination of calderasib and pembrolizumab is superior to dummy treatment (placebo) plus pembrolizumab with respect to progression free survival (PFS) per Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1) by blinded independent central review (BICR).

NCT06345729 · Official ClinicalTrials.gov record · Merck Sharp & Dohme LLC

RecruitingPhase 2Glendale, California
Phase 2: testing ITI-1284 10 mg for Generalized Anxiety Disorder

This is a multicenter, randomly assigned, neither you nor the study doctors know who gets the real treatment, compared with a dummy treatment study evaluating the how well it works, safety, and tolerability of ITI-1284 compared with dummy treatment (placebo) as added on top of your current treatment therapy to GAD treatment in patients meeting Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR) criteria for GAD who have an inadequate response to ongoing GAD treatment.

NCT06480383 · Official ClinicalTrials.gov record · Intra-Cellular Therapies, Inc.

RecruitingPhase 2Anaheim, California
Phase 2: testing ITI-1284 for Psychotic Disorders

This is a multicenter, randomly assigned, neither you nor the study doctors know who gets the real treatment, parallel-group, compared with a dummy treatment, flexible-dose study evaluating the how well it works, safety, and tolerability of ITI-1284 compared with dummy treatment (placebo) in the treatment of psychosis in patients with AD.

NCT06540833 · Official ClinicalTrials.gov record · Intra-Cellular Therapies, Inc.

RecruitingPhase 3Birmingham, Alabama
Phase 3: Survodutide for Metabolic Dysfunction Associated Steatohepatitis (MASH)

This study is open to adults who are at least 18 years old living with obesity and have: * a confirmed liver disease called non-alcoholic steatohepatitis (NASH)/metabolic associated steatohepatitis (MASH) and * moderate or advanced liver fibrosis People with a history of acute or chronic liver diseases other than MASH or chronic alcohol intake cannot take part in this study. this study wants to find out whether a medicine called survodutide helps people with MASH and moderate or advanced liver fibrosis improve their liver function.

NCT06632444 · Official ClinicalTrials.gov record · Boehringer Ingelheim

RecruitingPhase 3Peoria, Arizona
Phase 3: Survodutide for Metabolic Dysfunction Associated Steatohepatitis

This study is open to adults who are at least 18 years old and have: * A confirmed liver disease called non-alcoholic steatohepatitis (NASH) or * A confirmed liver disease called metabolic-associated steatohepatitis (MASH) * body-mass index (BMI) of 27 kg/m2 or more or * 25 kg/m2 or more if the participant is Asian. People with a history of other chronic liver diseases or high alcohol intake cannot take part in this study.

NCT06632457 · Official ClinicalTrials.gov record · Boehringer Ingelheim

RecruitingPhase 3Pleven
Phase 3: testing Ocrelizumab for Multiple Sclerosis

The study will measure the physical impact of MS from participant's perspective, provide continued access to ocrelizumab and assess the whether it is safe and how hard side effects are to live with of ocrelizumab. From Protocol Version 6 onwards, treatment within this study will be limited to the currently approved doses of ocrelizumab, 600 milligrams (mg), intravenous (IV) infusion or 920 mg, subcutaneous (SC) injection.

NCT06675955 · Official ClinicalTrials.gov record · Hoffmann-La Roche

RecruitingPhase 3Birmingham, Alabama
Phase 3: testing Baxdrostat and dapagliflozin for Heart Failure

Participants include men and women ≥ 40 years of age with T2DM, established CV disease, a history of HTN with an SBP of at least 130 mmHg at screening, who meet the predefined serum potassium level, and with at least one additional risk factor for HF. The study will include an optional pre-screening period to facilitate sites' identification of potentially eligible participants to enter the full screening assessments.

NCT06677060 · Official ClinicalTrials.gov record · AstraZeneca

RecruitingPhase 2Birmingham, Alabama
Phase 2: testing ITI-1284 10 mg for Generalized Anxiety Disorder

This is a multicenter, randomly assigned, neither you nor the study doctors know who gets the real treatment, compared with a dummy treatment study to assess the how well it works, safety, and tolerability of ITI-1284 as this drug alone treatment in patients meeting Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR) criteria for GAD in patients who have had inadequate response to generalized anxiety disorder treatment.

NCT06701903 · Official ClinicalTrials.gov record · Intra-Cellular Therapies, Inc.

RecruitingPhase 3Fairhope, Alabama
Phase 3: testing Baxdrostat/dapagliflozin for Chronic Kidney Disease and Hypertension

International, Multicenter, neither you nor the study doctors know who gets the real treatment, compared with a dummy treatment and Event-driven study to assess how well it works, whether it is safe and how hard side effects are to live with of Baxdrostat in combination with Dapagliflozin on renal outcomes and cardiovascular mortality in participants with chronic kidney disease and high blood pressure

NCT06742723 · Official ClinicalTrials.gov record · AstraZeneca

RecruitingPhase 3Burbank, California
Phase 3: testing Trastuzumab Deruxtecan for Ovarian Cancer

This clinical trial is designed to measure the how well it works and safety of T-DXd in combination with bevacizumab versus bevacizumab this drug alone as first-line maintenance therapy, in participants with human epidermal growth factor 2 (HER2)-expressing (immunohistochemistry \[IHC\] 3+/2+/1+) advanced high-grade epithelial ovarian cancer.

NCT06819007 · Official ClinicalTrials.gov record · Daiichi Sankyo

RecruitingPhase 3Glendale, Arizona
Phase 3: testing KarXT for Bipolar Disorder Type I With Mania

This is a phase 3, open-label extension study to assess the long-term safety of KarXT for the treatment of mania or mania with mixed features in Bipolar-I disorder (BP-I) The primary objective of the study is to measure the long-term whether it is safe and how hard side effects are to live with of KarXT in the treatment of participants with mania or mania with mixed features associated with BP-I.

NCT06929273 · Official ClinicalTrials.gov record · Bristol-Myers Squibb

RecruitingPhase 2Mobile, Alabama
Phase 2: testing PF-07275315 for Asthma

The purpose of this clinical trial is to learn about the safety and effects of the study medicine (called PF-07275315) for the potential treatment of moderate-to-severe asthma. Asthma is a condition that makes it challenging to breathe, which negatively impacts the quality of life and functioning of people who are affected.

NCT06977581 · Official ClinicalTrials.gov record · Pfizer

RecruitingPhase 3Mesa, Arizona
Phase 3: testing Surabgene Lomparvovec (ABBV-RGX-314) for Neovascular Age-related Macular Degeneration

Neovascular age-related macular degeneration (nAMD), also known as "wet" AMD, is the abnormal growth of new blood vessels in the light-sensitive tissue at the back of the eye called the retina. this study wants to assess how safe and effective Surabgene Lomparvovec is in treating participants with Neovascular age-related macular degeneration (nAMD).

NCT07007065 · Official ClinicalTrials.gov record · AbbVie

RecruitingPhase 3Scottsdale, Arizona
Phase 3: testing 4D-150 IVT (3E10 vg/eye) for Neovascular Age-Related Macular Degeneration (nAMD)

This Phase 3 study is evaluating the safety and how well it works of 4D-150 versus aflibercept in participants with neovascular age-related macular degeneration (nAMD). Enrollment in the primary global cohort has been completed; Study centers in Japan remain open for enrollment for the Japan cohort.

NCT07064759 · Official ClinicalTrials.gov record · 4D Molecular Therapeutics

RecruitingPhase 2Chino, California
Phase 2: testing SPT-300 for Major Depressive Disorder (MDD)

This is a randomly assigned, parallel-group, neither you nor the study doctors know who gets the real treatment, compared with a dummy treatment, this drug alone study to measure the how well it works, safety, and tolerability of SPT-300 (GlyphAllo) in adults with major depressive disorder (major depression), with or without anxious distress.

NCT07065240 · Official ClinicalTrials.gov record · Seaport Therapeutics

RecruitingPhase 3Pheonix, Arizona
Phase 3: testing Orelabrutinib for Multiple Sclerosis (MS) Primary Progressive

Orelabrutinib is a CNS-penetrable BTK inhibitor. This is a phase 3, randomly assigned, neither you nor the study doctors know who gets the real treatment, parallel-group, multicenter study to measure the how well it works and safety of orelabrutinib compared with dummy treatment (placebo) in patients with PPMS.

NCT07067463 · Official ClinicalTrials.gov record · Zenas BioPharma (USA), LLC

RecruitingPhase 3Los Angeles, California
Phase 3: testing Risvutatug rezetecan (Ris-Rez) for Neoplasms, Lung

In this study researchers are testing Risvutatug rezetecan also known as (Ris-Rez) a new medicine that targets specific proteins (B7-H3) on cancer cells, thereby reducing the cancer's ability to grow and spread. This study specifically aims to evaluate how well Ris-Rez works in treating relapsed SCLC compared to standard treatment topotecan, by checking whether Ris-Rez makes cancers smaller or disappear completely and if it helps participants live longer.

NCT07099898 · Official ClinicalTrials.gov record · GlaxoSmithKline

RecruitingPhase 3Tuscaloosa, Alabama
Phase 3: testing Tirzepatide for Metabolic Dysfunction-Associated Steatotic Liver Disease

The main purpose of the SYNERGY-OUTCOMES study is to find out whether retatrutide and tirzepatide can prevent major adverse liver outcomes (MALO) in people with high-risk metabolic dysfunction-associated steatotic liver disease (MASLD). The study will enroll adults who have MASLD based on non-invasive tests (NITs), which indicate they are more likely to develop MALO.

NCT07165028 · Official ClinicalTrials.gov record · Eli Lilly and Company

RecruitingPhase 3Northridge, California
Phase 3: testing GB-0895 for Severe Asthma

The objective of this study is to assess the potential for GB-0895 to improve the health of adolescents and adults with severe asthma that is uncontrolled by inhaled corticosteroids (ICS) and conventional asthma controllers. Additional information is available at www.SOLAIRIA.com.

NCT07276724 · Official ClinicalTrials.gov record · Generate Biomedicines

RecruitingNot a traditional drug phaseKrems
Not a traditional drug phase: testing Atezolizumab for Lung Cancer, Hepatocellular Carcinoma

This is a non-treatment, multi-country, multi-centre, multicohort, primary data collection study, designed to assess patients' reported satisfaction with Atezolizumab Subcutenous (SC) treatment and Health-related Quality of Life (HRQoL), as well as the effectiveness and safety of Atezolizumab SC in participants treated for selected approved indications in routine clinical practice.

NCT07284121 · Official ClinicalTrials.gov record · Hoffmann-La Roche

RecruitingPhase 3Phoenix, Arizona
Phase 3: testing Orelabrutinib for Secondary Progressive Multiple Sclerosis

Orelabrutinib is a CNS-penetrable BTK inhibitor. This is a phase 3, randomly assigned, neither you nor the study doctors know who gets the real treatment, parallel-group, multicenter study to measure the how well it works and safety of orelabrutinib compared with dummy treatment (placebo) in patients with non-active Secondary Progress MS.

NCT07299019 · Official ClinicalTrials.gov record · Zenas BioPharma (USA), LLC

RecruitingPhase 3Scottsdale, Arizona
Phase 3: testing JNJ-78934804 for Colitis, Ulcerative

This study wants to assess how well JNJ-78934804 works (how well it works) and how safe it is (safety) as compared to guselkumab at Week 48 in participants with moderately to severely active ulcerative colitis (UC, a chronic disease of the large intestine in which the lining of the colon becomes inflamed and develops ulcers).

NCT07577856 · Official ClinicalTrials.gov record · Janssen Research & Development, LLC

RecruitingPhase 3Huntsville, Alabama
Phase 3: testing Balcinrenone/dapagliflozin for Renal Insufficiency, Chronic

This study wants to measure the how well it works, whether it is safe and how hard side effects are to live with of balcinrenone in fixed combination with dapagliflozin, compared with dapagliflozin, in patients with CKD Stage 3b and 4 (eGFR ≥ 15 to \< 45 mL/min/1.73 m2) administered orally once daily in addition to SoC. This is a population with high unmet medical need and an increased risk of CKD progression, who are frequently excluded from treatment trials.

NCT07624305 · Official ClinicalTrials.gov record · AstraZeneca

RecruitingPhase 3Phoenix, Arizona
Phase 3: testing Anifrolumab for Systemic Sclerosis Cutaneous Lupus E Myopathies Systemic Lupus Erythematosus

This study wants to provide continued access to anifrolumab to eligible participants who are continuing to derive clinical benefit from treatment at the end of a parent clinical study, as assessed by the Investigator, while monitoring whether it is safe and how hard side effects are to live with. Study details include: * Participants can transition in ROSY-S once they complete their participation in the parent study and should have received at least one dose of anifrolumab in the parent study.

NCT07691970 · Official ClinicalTrials.gov record · AstraZeneca

RecruitingPhase 3Tamarac, Florida
Phase 3: testing Torvutatug samrotecan for Epithelial Ovarian Cancer

This study will measure the how well it works, whether it is safe and how hard side effects are to live with of Torvutatug samrotecan (torvu-sam) in combination with bevacizumab compared with bevacizumab this drug alone as first line maintenance treatment in patients with non-Homologous Recombination Deficient (non-HRD) positive advanced ovarian cancer.

NCT07851025 · Official ClinicalTrials.gov record · AstraZeneca