Watertown

Researchers are evaluating the safety and effectiveness of tenapanor in adults with Chronic Idiopathic Constipation CIC. This study is a 26-week, multi-center, randomized, double-blind, placebo-controlled trial followed by a 4-week treatment-free safety follow-up period. It aims to compare three different doses of tenapanor with a placebo taken twice daily to assess their impact on constipation symptoms. The study includes a 2-week screening period to confirm eligibility, followed by a 26-week randomized treatment period where patients receive either 5 mg, 25 mg, or 50 mg of tenapanor twice daily, or a matching placebo. Patients record their constipation symptoms daily in an electronic diary. After the treatment period, there is a 4-week safety follow-up without treatment to monitor any adverse effects. Participants will have regular visits every 2 to 6 weeks for safety checks including medical assessments, vital signs, ECG, and lab tests. Their symptom diaries will be reviewed throughout the study. The main outcome measured is the durable complete spontaneous bowel movements response at 12 weeks. Secondary outcomes include changes in bowel movement frequency, stool consistency, and straining. The total study duration is approximately 32 weeks including all phases.

Researchers are evaluating the efficacy and safety of trontinemab in people with early symptomatic Alzheimers disease, ranging from mild cognitive impairment to mild dementia due to Alzheimers. This Phase III trial aims to understand how trontinemab affects cognitive decline and disease progression in this population. Participants are randomly assigned to receive either intravenous trontinemab or a placebo in a parallel-group design. Treatment is administered by IV infusion, and the effects are compared over a period of 72 weeks. The study includes comprehensive safety and efficacy assessments throughout this period. During the 72 weeks of the study, participants will undergo various evaluations including cognitive tests such as the Clinical Dementia Rating-Sum of Boxes CDR-SB, Alzheimers Disease Assessment Scales, brain imaging with PET and MRI scans, and biomarker measurements in cerebrospinal fluid and blood. Safety monitoring includes tracking adverse events, infusion reactions, and antibody development. The study requires participants to have a study partner and to complete all study procedures over this time.

Researchers are evaluating azetukalner as a treatment for adults diagnosed with moderate-to-severe Major Depressive Disorder MDD. This Phase 3, randomized, double-blind, placebo-controlled study aims to assess the clinical efficacy, safety, and tolerability of azetukalner when taken alone. The study involves participants aged 18 to 74 who have experienced their first major depressive episode before age 50. Participants receive either azetukalner 20 mg or a placebo orally once a day with food, preferably with the evening meal, for a total of 6 weeks. The study includes two groups one taking azetukalner and the other taking placebo, both under blinded conditions to ensure unbiased results. During the study, participants will be regularly monitored through clinical evaluations, including changes in depression severity scores such as the Hamilton Depression Rating Scale HAMD-17 and other scales measuring pleasure and clinical global impression. Safety and tolerability will be observed from screening through 8 weeks after the final dose. The total study duration includes screening, 6 weeks of treatment, and post-treatment safety follow-up.

Researchers are evaluating the efficacy and safety of brenipatide combined with standard of care compared to placebo plus standard of care in delaying the worsening of symptoms in adults with bipolar disorder. This Phase 2, randomized, double-blind study aims to understand if brenipatide can help delay relapse in bipolar disorder patients. The study is sponsored by Eli Lilly and Company and focuses on adults aged 18 to 75 years diagnosed with bipolar disorder I or II. Participants will be randomly assigned to receive one of two doses of brenipatide or a placebo, each administered by subcutaneous injection alongside their standard of care medication. The trial is divided into three periods a screening period lasting about one month, a treatment period lasting at least six months, and a follow-up period lasting approximately two months. The total duration of participation may vary and can be shortened if symptoms worsen or if the participant withdraws. During the study, participants will self-inject the study medication, maintain study diaries, and complete questionnaires assessing their condition. Researchers will monitor time to relapse, changes in functional impairment, mood symptoms using specific rating scales, quality of life, patient global impressions, body weight, and pharmacokinetics. Safety will be closely observed, including the presence of treatment-emergent anti-drug antibodies. Participants are expected to attend regular visits throughout the treatment and follow-up periods.

Researchers are evaluating the safety and effectiveness of brenipatide alongside standard care compared to a placebo plus standard care in adult participants with major depressive disorder. This study aims to see if brenipatide can delay the return of major depressive symptoms. It is a Phase 3, randomized, double-blind trial sponsored by Eli Lilly and Company. Participants receive brenipatide or placebo through subcutaneous injections combined with their regular treatment. The study includes three periods a screening period lasting about 1 month, a treatment period of at least 12 months, and a follow-up period of about 2 months. The study duration may be shortened if depressive symptoms worsen or if participants withdraw. During the trial, participants will attend regular visits where various assessments will be conducted, including depression rating scales, functional impairment scores, and quality of life questionnaires. Researchers will monitor body weight changes, anxiety levels, and blood samples to measure drug levels and immune responses. The primary outcome is the time until relapse of major depressive disorder symptoms. Safety and adherence to self-injection and study procedures will be closely followed throughout participation.

Researchers are evaluating the effectiveness and safety of brenipatide combined with standard care compared to a placebo plus standard care for treating schizophrenia in adults aged 18 to 55. This phase 2 clinical trial aims to better understand how brenipatide works alongside existing treatments in this population. Participants are randomly assigned to receive either brenipatide or placebo, both administered by subcutaneous injection, alongside their usual standard of care medications. The study includes a screening period lasting about one month, followed by a treatment period that can last up to 12 months, and then a follow-up period of approximately two months. During the trial, participants will attend scheduled visits to monitor their health, complete questionnaires, and maintain diaries about their medication use. Researchers will measure changes in body weight, neurocognitive function, schizophrenia symptom severity, and other clinical assessments. Safety is closely monitored throughout, and the total participation time may last up to about 15 months.

Researchers are evaluating brenipatide alongside buprenorphine, with or without naloxone, to assess its safety and effectiveness in people with opioid use disorder. This Phase 2 study includes two separate participant groups Part A involves a double-blind treatment phase with a later open-label extension, and Part B features an open-label treatment phase. Participants join only one part of the study. In Part A, participants receive either brenipatide or a placebo by subcutaneous injection plus buprenorphine taken under the tongue or inside the cheek. Part B participants receive open-label brenipatide injections with buprenorphine. The maximum study participation duration is about 144 weeks for Part A and 116 weeks for Part B, depending on enrollment timing and pace. Treatments are given as subcutaneous injections and transmucosal buprenorphine. Participants will attend regular study visits to monitor opioid use through urine drug screens and self-reports, track adherence to buprenorphine, and assess cravings and quality of life. Other measurements include changes in body weight, blood pressure, and healthcare visits. Safety is monitored throughout, and the main outcome focuses on weeks of abstinence from opioid use between weeks 13 and 24. Total participation time varies with study part and enrollment timing.

Researchers are evaluating the study drug JNJ-42847922, also called seltorexant, in adults and older adults with major depressive disorder MDD, a mood disorder causing lasting sadness and loss of interest. The study aims to compare seltorexant with a placebo in improving depressive symptoms during a double-blind treatment phase and to assess the long-term safety and tolerability of seltorexant in an open-label phase. Participants will receive either seltorexant or a matching placebo tablet once daily for 42 days during the double-blind phase. Those who qualify for the open-label phase will then take seltorexant daily for up to six months. The treatments are oral tablets, and the study includes two main periods the initial 42-day double-blind phase and the subsequent long-term open-label phase. During the study, participants will have regular assessments including physical exams, vital signs, ECGs, and questionnaires on depression, sleep disturbance, suicidality, withdrawal symptoms, sexual functioning, body measurements, and laboratory tests. Researchers will measure changes in depression scores and monitor adverse events and safety indicators throughout both phases. The total participation can last up to about seven months including both treatment periods.

Researchers are evaluating the efficacy, safety, and tolerability of VLS-01 buccal film VLS-01-BU in adults with treatment resistant Major Depressive Disorder TRD. This Phase 2, multicenter, randomized, placebo-controlled trial aims to understand the onset and duration of antidepressant effects of VLS-01-BU compared to placebo in patients who have not responded to previous treatments. Participants will be randomly assigned to receive two doses of either VLS-01-BU or placebo administered via a buccal transmucosal film, with two weeks between doses. After a 12-week follow-up monitoring period, all participants will be re-randomized to receive one additional dose of VLS-01-BU at one of two dose strengths. Safety and efficacy will be assessed two weeks after this third dose during a non-placebo-controlled treatment phase. Throughout the study, participants depressive symptoms will be regularly monitored using the Montgomery-sberg Depression Rating Scale MADRS from baseline to Day 29 and through Day 43. The study includes multiple assessments to measure the antidepressant effects and safety of the treatment. The total duration of participant involvement covers the initial dosing, follow-up, re-randomization, and final evaluation, ensuring thorough observation of treatment impact and tolerability.

Alzheimers disease AD is a progressive and irreversible neurological disorder that commonly causes dementia in older adults. This research aims to evaluate the safety, effects, and how the body processes ABBV-1758, an investigational drug developed to treat Alzheimers disease. The study is conducted in three stages, including dose escalation and expansion phases, involving approximately 210 participants across the United States, China, and Japan. Participants will receive intravenous IV or subcutaneous SC ABBV-1758 or placebo injections once every four weeks for a period of 24 weeks. The study includes a Follow-up Period lasting 12 weeks after treatment, and participants may opt to join a 12-month blinded Extension Period based on specific brain imaging results. Randomization assigns participants to different doses or placebo groups throughout the three stages, ensuring a 41 chance of receiving ABBV-1758 versus placebo. During the trial, participants will attend regular visits at hospitals or clinics for medical assessments, blood tests, and questionnaires to monitor safety and treatment effects. Researchers will measure outcomes such as adverse events, changes in laboratory tests, brain amyloid levels, and other vital signs over approximately 40 weeks. The study emphasizes monitoring brain imaging abnormalities and drug levels in the body to better understand ABBV-1758s impact.