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Found 17 Actively Recruiting clinical trials
Actively Recruiting
Researchers are investigating how bone mineral density changes during long-term treatment with the relugolix combination tablet in premenopausal women aged 18 to 50 who have heavy menstrual bleeding caused by uterine fibroids or moderate to severe pain related to endometriosis. This Phase 3B, single-arm, open-label study aims to assess the safety and effects of up to 48 months (4 years) of continuous treatment, followed by a 1-year post-treatment follow-up period. Participants will receive a daily fixed-dose tablet containing relugolix 40 mg, estradiol 1 mg, and norethindrone acetate 0.5 mg. Bone mineral density will be monitored every 6 months using dual-energy X-ray absorptiometry during treatment. Some women who completed a prior related study may join for 3 years of treatment under this protocol. After treatment ends or if stopped early, participants will be followed for 1 year with bone density checks at 6 and 12 months. Women in the study will have regular physical, gynecological, and laboratory assessments to monitor health and treatment effects. Researchers will measure the percentage change from baseline in bone mineral density at the lumbar spine after 48 months of treatment. Safety and health status will be closely observed throughout the treatment and follow-up periods to understand the long-term impact of the relugolix combination tablet on bone health.
Actively Recruiting
Researchers are evaluating the safety and effectiveness of Vagus Nerve Stimulation (VNS) Therapy as an additional treatment compared to no stimulation in people with treatment-resistant depression. This prospective, multi-center, randomized, controlled, blinded trial focuses on reducing depressive symptoms over 12 months using multiple depression rating scales. The study follows guidelines from the Centers for Medicare and Medicaid Services regarding evidence development for this treatment. Participants receive implantation of the VNS device, which delivers stimulation to the vagal nerve. After a minimum two-week period post-implantation, participants are randomly assigned to either active VNS treatment or no stimulation control, with outcomes observed for 12 months. Following this randomized phase, all participants enter an open-label extension where those in the control group receive active stimulation. Additional subjects may join this open-label study for up to five years to further assess long-term effects. Throughout the study, participants undergo regular assessments including the Montgomery Åsberg Depression Rating Scale (MADRS), WHO Disability Assessment Schedule, Health Outcome Scale, Clinical Global Impressions Scale, and Suicidality Tracking Scale. Researchers monitor response rates, remission times, duration of effects, and adverse events from implantation through 12 months. This comprehensive evaluation includes safety monitoring and functional outcome measures to understand the impact of VNS therapy on depression and related disabilities.
Actively Recruiting
Bipolar disorder is a serious and long-lasting mood disorder affecting both adults and children, with up to 1.8% of the pediatric population in the United States affected. Treatment options for depressive episodes in children with bipolar disorder are limited due to fewer studies compared to adults. This research aims to evaluate how cariprazine affects disease symptoms and safety in children and teenagers aged 10 to 17 years who have bipolar I disorder with depressive episodes. Participants in the study will be randomly assigned to one of two groups: one receiving cariprazine and the other receiving a placebo, with about half of the participants in each group. Cariprazine will be given as oral capsules in doses adjusted based on age and weight. At the third week, doses may be increased for those not responding well, while others will continue their current dose. The treatment lasts 6 weeks, followed by a 4-week safety follow-up period. During the study, participants will attend weekly visits to hospitals or clinics for medical assessments, blood tests, and questionnaires to monitor side effects and treatment effects. Researchers will measure changes in depression scores and monitor for any adverse events or abnormal clinical signs, including vital signs, ECG, and movement disorders. The total study duration includes the treatment and safety follow-up periods, ensuring careful observation of participants' health and response to treatment.
Actively Recruiting
Researchers are evaluating the safety and effectiveness of KarXT in preventing relapse of psychosis symptoms in people aged 55 to 90 years who have psychosis associated with Alzheimer's Disease. This Phase 3 study is randomized, double-blind, placebo-controlled, and conducted at multiple outpatient centers. The main goal is to compare relapse prevention between KarXT treatment and placebo over 38 weeks, while also assessing time to discontinuation, safety, and tolerability. Participants receive either KarXT in varying doses (ranging from 20 mg/2 mg to 66.7 mg/6.67 mg taken three times daily) or placebo capsules. The study lasts 38 weeks, during which participants remain on assigned treatment in an outpatient setting. The randomized, double-blind design ensures neither participants nor researchers know who receives KarXT or placebo during the study. Throughout the study, participants will visit the clinic regularly for assessments of their psychosis symptoms, safety checks, and overall health. Researchers will track the time to relapse of psychosis symptoms as the primary outcome. They will also monitor safety and tolerability through clinical examinations and other evaluations. The total duration of participation is 38 weeks from randomization to the end of the study period.
Actively Recruiting
Researchers are evaluating the long-term safety and tolerability of KarXT in treating mania or mania with mixed features in adults with Bipolar-I disorder. This phase 3, open-label extension study aims to better understand how KarXT performs over an extended period in this population. The study includes participants who either completed previous double-blind placebo-controlled studies or are newly diagnosed with Bipolar-I disorder experiencing manic symptoms. Participants receive KarXT at specified doses on certain days, with some also taking therapeutic doses of Lithium, Valproate, or Lamotrigine as part of their treatment. The study does not mention a placebo group during this extension, focusing instead on monitoring the long-term effects of KarXT alone or in combination with these established therapies. During the study, participants are monitored for adverse events up to week 54 to assess safety. Evaluations include psychiatric assessments using scales such as the Young Mania Rating Scale and CGI-BP score at screening and baseline. Researchers will track treatment-emergent adverse events and overall tolerability throughout the study duration, which lasts up to 54 weeks for each participant.
Actively Recruiting
Researchers are evaluating the safety and effectiveness of Armour Thyroid compared to synthetic T4 treatment in adults with primary hypothyroidism who are currently stable on synthetic T4. The study focuses on assessing how well patients respond to dose conversion from synthetic T4 therapy to Armour Thyroid. This trial is conducted as a Phase 2/3 multicenter, double-blind, randomized, active-controlled study. Participants receive either Armour Thyroid in oral capsule or tablet form or synthetic T4 capsules. They must have been on a stable dose of synthetic T4 for at least 12 months before screening, with a dose of at least 25 mcg daily. The study compares both treatments over time to evaluate efficacy and safety in maintaining thyroid function. During the study, researchers monitor thyroid-stimulating hormone (TSH) levels to measure treatment response at week 55. They also track any adverse events related to the treatments for up to approximately 90 weeks. Participants undergo regular assessments to ensure safety and effectiveness throughout the study period.
Actively Recruiting
Researchers are evaluating the safety and effectiveness of KarXT compared to a placebo for treating adults with Bipolar-I disorder experiencing an acute episode of mania or mania with mixed features. This Phase 3 study involves participants who require hospitalization due to their manic episode and aims to assess symptom improvement over a short-term inpatient period. The study lasts up to seven weeks, including screening, treatment, and safety follow-up. Participants will be randomly assigned to receive either KarXT or a placebo in specified doses during a three-week inpatient treatment period. The study is conducted in a double-blind manner, meaning neither the participants nor the researchers know who receives the active drug or placebo. The focus is on the change in mania symptoms measured by the Young Mania Rating Scale during the three weeks. Throughout the study, participants will be closely monitored with psychiatric evaluations and rating scales, including the Young Mania Rating Scale and Clinical Global Impressions-Bipolar scale. Safety assessments continue during the follow-up period. The total participation time, from screening through treatment and safety monitoring, will not exceed seven weeks.
Actively Recruiting
Researchers are evaluating the effectiveness and safety of veverimer in adults with moderate-to-severe chronic kidney disease (CKD) and metabolic acidosis over a 26-week period. This Phase 3, randomized, double-blind study aims to compare veverimer to a placebo in improving health outcomes related to this condition. The study focuses on changes in serum bicarbonate levels and physical performance as key measures of treatment impact. Participants are randomly assigned to one of two groups: one receiving 9 grams of veverimer twice daily, and the other receiving a placebo twice daily. The study involves a treatment period lasting 26 weeks, during which participants take their assigned medication regularly. The study design ensures that neither the participants nor the researchers know which treatment is being given to maintain objectivity. During the study, participants undergo several assessments including blood tests to measure serum bicarbonate concentration and physical performance tests like the Sit-to-Stand 5 times test. These evaluations occur from the screening visit through Day 168. Researchers monitor adherence to the treatment and any side effects to ensure participant safety and to measure the effectiveness of veverimer compared to placebo throughout the study duration.
Actively Recruiting
Researchers are evaluating the effects of lumateperone compared to a placebo in children and teens aged 10 to 17 who are experiencing major depressive episodes linked to bipolar I or bipolar II disorder. This phase 3, multicenter, randomized, double-blind, placebo-controlled study aims to understand how well lumateperone works and how safe it is in this young population. Diagnoses are confirmed using a structured clinical interview based on DSM-5 criteria. The study includes three phases: a screening period of up to 2 weeks to check if patients qualify, a 6-week double-blind treatment phase where participants are randomly assigned to take either lumateperone or a matching placebo once daily by mouth, and a 1-week safety follow-up after the last dose for health monitoring. Lumateperone is given orally once a day, and the placebo group receives a matching oral pill on the same schedule. Participants will attend clinic visits for assessments including the Children's Depression Rating Scale-Revised (CDRS-R) measured at week 6 to evaluate depressive symptoms. Safety follow-up occurs about one week after treatment ends. Throughout the study, researchers monitor symptoms, side effects, and overall health to assess the treatment's impact and safety over the 7 to 9 week total participation time including screening and follow-up.
Actively Recruiting
Researchers are evaluating the safety and effectiveness of lumateperone in treating irritability associated with Autism Spectrum Disorder (ASD) in children and adolescents aged 5 to 17 years. This Phase 3, multicenter, randomized, double-blind, placebo-controlled study includes participants diagnosed with ASD and confirmed irritability symptoms using standard diagnostic tools. The study consists of three phases: a screening period lasting up to 14 days to check eligibility, a 6-week double-blind treatment period where participants will be randomly assigned to receive either a high dose of lumateperone, a low dose of lumateperone, or a placebo once daily, and a 1-week safety follow-up period after the last dose to monitor participants' well-being. During the study, participants will be monitored for changes in irritability using the Aberrant Behavior Checklist - Irritability subscale at week 6. Safety evaluations will occur during the follow-up visit approximately one week post-treatment. Throughout the trial, assessments will include clinical evaluations and caregiver reports to track symptoms and any side effects, ensuring participant safety over the approximately seven-week participation period.
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