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Clinical Research Directory

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9 clinical studies listed.

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Physiological Effects of Drugs

Tundra lists 9 Physiological Effects of Drugs clinical trials. Each listing includes eligibility criteria, study locations, and direct links to research sites in the Tundra directory.

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RECRUITING

NCT07122193

A Study of NT 201 in Adults With Moderate to Severe Platysma Prominence in the United States

The purpose of this study is to assess the safety and efficacy of NT 201 compared with placebo in participants with moderate to severe platysma prominence. The study will be conducted in two periods: Main Period (MP) and Open label Extension Period (OLEX).

Gender: All

Ages: 18 Years - Any

Updated: 2026-04-08

15 states

Neuromuscular Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
+7
RECRUITING

NCT07210463

A Study of NT 201 in Adults With Moderate to Severe Platysma Prominence in Europe (PLATINUM EU)

The purpose of this study is to assess the safety and efficacy of NT 201 compared with placebo in participants with moderate to severe platysma prominence. The study will be conducted in two periods: Main Period (MP) and Open label Extension Period (OLEX).

Gender: All

Ages: 18 Years - 65 Years

Updated: 2026-04-01

12 states

Neuromuscular Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
+7
RECRUITING

NCT06462196

Natural History of Depression, Bipolar Disorder and Suicide Risk

Mood disorders, such as depression and bipolar disorder, are difficult to treat. One reason is that there are no objective ways to measure how these disorders affect the body and respond to different treatments. In this study, researchers want to perform tests on people undergoing clinical care for mood disorders. The purpose is to understand the experience of receiving treatment for depression, bipolar disorder, and suicide risk. We also hope that this study will help us to predict which medications will improve thoughts of suicide. People 18 years or older who are receiving treatment for depression, bipolar disorder, or suicide risk may take part in this study. Participants must have also been enrolled in protocol 01-M-0254. This study will be conducted at the NIH Clinical Center in Bethesda, MD. The study typically lasts up to 12 weeks, but may last longer if a participant s treatment continues past that time. Participants will have weekly interviews and questionnaires while they are being treated for their mood disorder. Other tests are optional and include psychological testing, blood draws, sleep tests, and imaging scans. These will be done at the start and the end of research participation.

Gender: All

Ages: 18 Years - 120 Years

Updated: 2026-03-24

1 state

Behavioral Symptoms
Suicide
Self-Injurious Behavior
+18
RECRUITING

NCT06535568

Single vs. Dual Antiplatelet Therapy in Elderly or HBR Patients Undergoing Percutaneous Intervention With DCB (PICCOLETO IV-EPIC 38)

This international, multicenter, open-label, randomized clinical trial evaluates the safety and efficacy of single antiplatelet therapy (SAPT) compared to dual antiplatelet therapy (DAPT) in elderly or high bleeding risk patients undergoing percutaneous coronary intervention (PCI) with the latest generation drug-coated balloon (DCB). The study includes patients with stable or unstable coronary syndromes and aims to assess rates of ischemic and bleeding adverse events.

Gender: All

Updated: 2026-01-22

1 state

Coronary Disease
Heart Diseases
Cardiovascular Diseases
+22
RECRUITING

NCT06511908

Investigation of the Antidepressant Effects of (2R,6R)-HNK, an Enhancer of Synaptic Glutamate Release, in Treatment-Resistant Depression

Background: Major depressive disorder (MDD) is a serious mental illness that can put people at risk of self-harm and death. Many drugs are used to treat MDD, but it can take a long time for them to be effective. Researchers want to know if a faster-acting drug, (2R,6R)-hydroxynorketamine (HNK), can better treat the symptoms of MDD. Objective: To test a study drug (HNK) in people with MDD. Eligibility: People aged 18 to 70 years with MDD. They must have had a screening assessment under protocol 01-M-0254. Design: Participants will be tapered off their current MDD drugs over 2 to 5 weeks. They will stay off of the drugs for up to 2 weeks prior to starting the study medication and procedures. They will have a physical exam with blood tests. They will have tests of their heart function, mood, and thinking. They will answer questions about their symptoms. They may choose to have imaging scans and scans of their brain activity. HNK is given through a tube attached to a needle inserted into a vein. Participants will receive infusions on this schedule: They will receive 4 infusions over 2 weeks. They will stay in the clinical center overnight after each infusion or for the duration of the study. They will receive no drugs for 2 to 3 weeks. They will have 4 more infusions over 2 weeks, with overnight stays after each or for the duration of the study. One set of 4 infusions will be the HNK. The other set of 4 infusions will be a placebo. A placebo looks just like the real drug but contains no medicine. Participants will not know when they are getting the HNK or placebo. ...

Gender: All

Ages: 18 Years - 70 Years

Updated: 2025-12-15

1 state

Suicide
Depressive Disorder, Treatment-Resistant
Ketamine
+10
RECRUITING

NCT04289142

Cognitive Outcomes After Dexmedetomidine Sedation in Cardiac Surgery Patients

Anesthesia is a drug induced, reversible, comatose state that facilitates surgery and it is widely assumed that cognition returns to baseline after anesthetics have been eliminated. However, many patients have persistent memory impairment for weeks to months after surgery. Cardiac surgery appears to carry the highest risk of postoperative cognitive dysfunction (POCD). These cognitive deficits are associated with increased mortality, prolonged hospital stay and loss of independence. The investigators propose to investigate the role of Dexmedetomidine (DEX) in preventing long-term POCD after cardiac surgery and enhancing early postoperative recovery. It is anticipated that DEX will be the first effective preventative therapy for POCD, improve patient outcomes, and reduce length of stay and healthcare costs.

Gender: All

Ages: 60 Years - Any

Updated: 2025-12-01

4 states

Delirium
Cognitive Dysfunction
Cognition Disorder
+14
RECRUITING

NCT07167550

The Study of Efficacy and Safety of Dimephosphon® in Acute Ischemic Stroke

A multicenter, randomized, double-blind, placebo-controlled study to evaluate the efficacy and safety of Dimephosphon® in acute ischemic stroke

Gender: All

Ages: 35 Years - 80 Years

Updated: 2025-09-11

1 state

Stroke
Acute Stroke
Ischemic Stroke
+2
ACTIVE NOT RECRUITING

NCT05288166

A Study of Abemaciclib (LY2835219) With Abiraterone in Men With Prostate Cancer That Has Spread to Other Parts of the Body and is Expected to Respond to Hormonal Treatment (Metastatic Hormone-Sensitive Prostate Cancer)

The purpose of this study is to learn whether adding abemaciclib to abiraterone plus prednisone prolongs the time before prostate cancer gets worse. Participation may last approximately 60 months.

Gender: MALE

Ages: 18 Years - Any

Updated: 2025-06-27

130 states

Prostatic Neoplasms
Neoplasm Metastasis
Urogenital Neoplasms
+14
ACTIVE NOT RECRUITING

NCT04045301

Omalizumab to Accelerate a Symptom-driven Multi-food OIT

This study will determine the dose-related efficacy of a 20-week treatment of omalizumab started 8 weeks before the onset of a symptom-driven multi-food oral immunotherapy (OIT) protocol at decreasing time to OIT maintenance dose. Two dosages of omalizumab will be compared to placebo during an oral immunotherapy protocol for three simultaneous food allergens.

Gender: All

Ages: 6 Years - 25 Years

Updated: 2024-11-27

2 states

Food IgE-mediated Allergy
Immunotherapy
Omalizumab
+1