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Researchers are evaluating the safety, tolerability, and effectiveness of CYB003, a Deuterated Psilocin Analog, compared to a placebo when added to current antidepressant treatment in adults with moderate to severe Major Depressive Disorder (MDD). This Phase III trial focuses on participants aged 18 to 85 years who have had inadequate response to a stable antidepressant dose, aiming to better understand how CYB003 might improve depressive symptoms. Participants receive oral doses of CYB003 or matching placebo along with manualized psychological support provided by trained facilitators. The treatment period includes multiple dosing sessions with monitoring and assessments throughout. Placebo is used as a comparator to evaluate the combined safety and efficacy of CYB003 in this population. During the study, participants undergo evaluations using the Montgomery-Åsberg Depression Rating Scale (MADRS) at several time points, including screening, baseline, and multiple days up to the end of treatment at Day 42. Researchers monitor symptoms, side effects, and overall safety. Participants provide informed consent and are assessed regularly to track changes in depression severity and any adverse events over the course of the study.

This study consists of 2 week screening period in which subjects who have consented will be evaluated for eligibility per protocol requirements. During this 2 week screening period subjects will be given access to ediary in which they will be required to self report symptoms of IBS-C daily. Information in ediary will also be used to determine eligibility prior to enrollment. During the 4 week RTP (Randomized treatment period), subjects will be randomized in in a ratio of 5:1 to receive tenapanor or matching placebo for 4 weeks. During the RTP, patients will continue recording daily assessments in the eDiary system as instructed and compliance with eDiary entries will be monitored. Patients will return for study visit every weeks (Visits 3-6) and will undergo safety assessments as per the protocol. At the end of this 4 week period, subjects will complete 2 week treatment free follow-up period and safety assessments per protocol will be conducted at the end of this 2 week period. The study plans to enroll up to 6 cohorts of eligible patients sequentially, starting from Cohort 1 with 12 patients randomized in to receive tenapanor 2 mg BID or matching placebo for 4 weeks. Subsequent cohorts will assess increasing tenapanor doses, following a dose escalation order. The study will proceed to the next dosing cohort if the current cohort completes the 4-week RTP and does not meet any of the dose escalation stopping criteria pre-specified in the protocol.

Researchers are evaluating the differences in clinical and X-ray outcomes between a new internal brace technique and the standard Kirschner wires (K-wire) method for treating perilunate dislocations. The study aims to compare rates of problems like nonunion, need for reoperation, infections, and fixation failures. It also looks at specific complications such as loss of motion, pain, numbness, and weakness associated with each surgical approach. The study compares two surgical fixation methods for perilunate dislocations: an internal brace technique using a 4-anchor construct and the traditional K-wire technique. Participants receive one of these treatments as part of their surgical care. The focus is on assessing the safety and effectiveness of the internal brace method compared to the standard treatment. Participants will be followed from the time they join the study through two years after surgery. Researchers will measure clinical function and use the Quick DASH questionnaire to assess arm, shoulder, and hand disability over this period. These evaluations help track recovery, complications, and overall treatment success during the two-year postoperative timeframe.

Researchers are evaluating new treatment options for adults with locally advanced or metastatic colorectal cancer that cannot be removed by surgery and has a specific KRAS G12C gene mutation. This study compares the safety and effectiveness of adding calderasib and cetuximab, both targeted therapies, to a standard chemotherapy regimen called mFOLFOX6. The goal is to see if this combination can help patients live longer without their cancer growing or spreading compared to current treatments that may include mFOLFOX6 with or without bevacizumab. The study has two parts. It involves treatment with calderasib taken as an oral tablet, cetuximab given according to standard procedures, and mFOLFOX6 chemotherapy combining oxaliplatin, leucovorin/levofolinate calcium, and 5-fluorouracil. Some participants may receive bevacizumab or a bevacizumab biosimilar as part of the comparison. The treatments are given following approved dosing schedules. This design allows researchers to assess the safety and tolerability of these drug combinations in treating this type of colorectal cancer with the KRAS G12C mutation. Participants will be monitored for side effects, treatment tolerability, and cancer progression over a period that may last up to about 44 months. Researchers will track outcomes such as how many participants experience dose-limiting toxicities or adverse events, how many stop treatment due to side effects, and progression-free survival time. Assessments include health evaluations, laboratory tests, and imaging to observe cancer status. This long-term follow-up aims to understand both safety and effectiveness of the treatment combinations.

Researchers are investigating new treatments for extensive-stage small cell lung cancer (ES-SCLC), a type of lung cancer that has spread within or beyond the lungs. This trial evaluates the safety and effectiveness of combining two study medicines, gocatamig and ifinatamab deruxtecan (I-DXd), with or without standard chemotherapy and immunotherapy. Gocatamig is a T-cell engager therapy that helps the immune system target cancer cells, while I-DXd is an antibody drug conjugate designed to deliver cancer-killing agents directly to tumor cells. Participants will receive different treatment combinations based on the study part and arm to which they are assigned. Treatments include intravenous administration of gocatamig, I-DXd, atezolizumab, carboplatin, and etoposide. Rescue medications may be given as needed to manage side effects such as cytokine release syndrome or infusion reactions. Participants may be assigned to various treatment groups either per investigator choice or randomized, with some receiving maintenance treatments after initial induction therapy. Throughout the study, participants will be monitored for safety, including the occurrence of adverse events and dose-limiting toxicities, for up to about 58 months. Researchers will also assess tumor response by measuring cancer size changes. Other evaluations include biopsies, imaging scans, and clinical assessments to determine how well participants tolerate the treatments and how their cancer responds. The total duration of participation and follow-up will vary depending on the study phase and treatment arm.

Researchers are studying a new treatment for HIV-1 infection that combines two medicines, islatravir and ulonivirine, taken once weekly. The goal is to see if this new study treatment works as well as the standard antiretroviral therapy (ART), which usually involves taking up to three medicines once or twice daily. This research also aims to learn about the safety and tolerability of the study treatment compared to the standard ART. The study compares the once-weekly combination of islatravir and ulonivirine with the standard daily treatment of bictegravir/emtricitabine/tenofovir alafenamide (BIC/FTC/TAF). Participants will take either the study drugs or the standard drugs for 96 weeks. Some participants may receive matching placebos as part of the study design. The treatment is given orally as capsules or tablets according to the assigned group. Participants will be monitored throughout the study with regular assessments, including measuring the amount of HIV-1 virus in the blood to see if it is suppressed below 50 copies/mL at weeks 24 and 48. The study will also track any side effects or adverse events and whether participants stop the treatment due to these events. Overall, the study lasts about 96 weeks, with ongoing safety and effectiveness evaluations to understand how well the treatments work and how safe they are over time.

Researchers are studying a treatment called MK-2214 to see if it can slow certain brain changes in people with early Alzheimer's disease (AD). AD is a form of dementia that causes memory loss, difficulties with communication, and challenges in decision-making, which affect daily activities. The study aims to find out if MK-2214 can slow the spread of tau protein in the brain compared to a placebo and to assess the safety and tolerability of MK-2214. Participants will receive either MK-2214 or a placebo through an intravenous (IV) infusion. The study is designed as a phase 2, randomized, placebo-controlled, double-blind trial with parallel groups. The treatment period lasts up to about 23 months, during which participants will receive infusions as scheduled. The placebo looks like the study treatment but contains no active drug, helping researchers understand the treatment's effects. Throughout the study, participants will be monitored for changes in tau protein levels in the brain using PET scans and for any adverse events or side effects. Researchers will track the number of participants experiencing adverse events and those who stop treatment because of them, with safety follow-up lasting up to approximately 26 months. Participants will also undergo brain imaging such as CT, PET, or MRI scans. The study involves regular assessments to measure the treatment's impact and ensure participant safety over the study duration.

Researchers are looking for new medicines to prevent HIV-1 (Human Immunodeficiency Virus Type 1) infection. The goals of this study are to learn: * If taking MK-8527 once a month works to prevent HIV-1 infection as well as or better than a standard (usual) pre-exposure prophylaxis (PrEP) taken once a day * About the safety of MK-8527 and if people tolerate it

Researchers are evaluating molnupiravir, a study medicine designed to stop the COVID-19 virus from multiplying, to see if it can prevent severe illness from COVID-19 more effectively than a placebo. This Phase 3 randomized, placebo-controlled, double-blind study focuses on non-hospitalized adults at high risk of severe disease progression due to COVID-19. The study addresses the need for alternative treatments for people who cannot take certain COVID-19 medications due to availability or potential drug interactions. Participants will receive either molnupiravir or a placebo, both given orally as two 400 mg film-coated tablets every 12 hours for 5 days, totaling 10 doses. Some participants may also receive remdesivir as part of standard care if clinically appropriate and available. The study compares the effects of molnupiravir with placebo in preventing severe illness outcomes. Throughout the study, participants will be monitored for outcomes such as hospitalization, death, or medically attended visits related to COVID-19 up to 29 days. Safety is assessed by tracking adverse events for up to about 5 months and discontinuation of study treatment due to adverse events for about 5 days. The study involves laboratory tests, symptom assessments, and safety evaluations to understand molnupiravir's impact on disease progression and participant health.

Researchers are evaluating sotatercept as a potential treatment for pulmonary arterial hypertension (PAH), a condition where blood vessels in the lungs thicken and narrow, causing high blood pressure in the lungs and overworking the heart. PAH symptoms include difficulty breathing and reduced ability to be active. Current standard treatments address symptoms but do not stop disease progression. This Phase 3 study focuses on the long-term safety and tolerability of sotatercept when added to standard PAH therapy. Participants in this long-term follow-up study receive sotatercept through subcutaneous injections every three weeks. Only individuals who completed prior sotatercept PAH studies without early discontinuation may join. This study continues the observation and assessment of participants over an extended period to learn about the effects and safety of sotatercept combined with background PAH treatments. During the study, participants will be regularly monitored for adverse events, treatment discontinuations, and the presence of anti-drug antibodies for up to approximately 90 months. Laboratory tests will evaluate blood components such as platelets, hemoglobin, creatinine, bilirubin, and liver enzymes. Changes from baseline in body weight, blood pressure, and electrocardiogram readings will also be tracked. The study involves adherence to visit schedules and compliance with study procedures to ensure comprehensive long-term safety data collection.