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Researchers are evaluating the effectiveness of delgocitinib cream 20 mg/g applied twice daily compared to a cream vehicle in treating adults with mild to severe palmoplantar pustulosis (PPP). This phase 2a, double-blind, two-arm trial focuses on adults diagnosed with PPP, a condition characterized by persistent pustules on the palms and/or soles, lasting more than three months. The study aims to assess skin improvement using the PPP Area and Severity Index (PPPASI) and other clinical evaluations over 16 weeks. Participants will be randomly assigned to apply either delgocitinib cream or the cream vehicle twice daily during a 16-week treatment period. The study involves approximately 9 visits over about 18 weeks in total. The trial is designed to compare the two treatments' effects on PPP severity, with a thorough monitoring process throughout the study period. During the trial, participants will undergo clinical assessments including photographic evaluations to confirm PPP diagnosis, PPPASI scoring to measure skin improvement, and physician global assessments. Safety and treatment adherence will be closely monitored. The main outcome measure is the number of participants achieving at least a 75% improvement in PPPASI score from baseline at week 16. The study also includes safety checks and follow-up to ensure participant well-being throughout the trial.

This research aims to evaluate the effects of litifilimab (BIIB059), a monoclonal antibody, in adults with active subacute or chronic cutaneous lupus erythematosus (CLE), with or without systemic lupus erythematosus (SLE). Participants have active skin symptoms of CLE that have not improved with antimalarial therapy or had difficulties continuing that treatment. The study focuses on reducing skin disease activity using several scores including CLA-IGA-R and CLASI, while also assessing safety, immune response, and quality of life. Participants will be randomly assigned to receive either litifilimab or a placebo injection under the skin every four weeks during a 24-week double-blind period where neither participants nor researchers know which treatment is given. After this, all participants will receive litifilimab injections every four weeks for an additional 28 weeks. Those who complete the treatment may join a long-term extension study or enter a follow-up safety period lasting up to 24 weeks. Total participation may last up to 80 weeks. Throughout the study, researchers will monitor skin disease activity using the CLA-IGA-R erythema score and the CLASI-A activity score to see how many participants improve. They will also assess safety, tolerability, immune system effects, and participants' quality of life using questionnaires. These evaluations occur regularly during both treatment periods and follow-up to understand the impact of litifilimab on CLE symptoms and overall health.

Researchers are evaluating the safety and effectiveness of trontinemab in people aged 50 to 90 with early symptoms of Alzheimer's disease, ranging from mild cognitive impairment to mild dementia. This Phase III clinical trial focuses on those who show evidence of Alzheimer's pathology and have a recent history of cognitive decline. The study aims to measure changes in cognitive function over 72 weeks. Participants will be randomly assigned to receive either intravenous trontinemab or a placebo. The trial is designed as a double-blind, placebo-controlled study, meaning neither participants nor researchers know who receives the active drug or placebo. The treatment period lasts up to 72 weeks, during which participants will undergo various assessments to monitor their cognitive status and safety. During the study, participants will complete clinical tests including cognitive assessments and imaging such as MRI, PET scans, or cerebrospinal fluid analysis to confirm Alzheimer's pathology. A study partner will assist participants as needed. Researchers will track changes from the start of the study through week 72 using tools like the Clinical Dementia Rating. Safety monitoring and adherence to study procedures will also be closely observed throughout the trial.

Researchers are conducting a global, multicenter, prospective observational registry to study patients with Pompe disease, including those with late-onset Pompe disease (LOPD) and infantile-onset Pompe disease (IOPD). The study includes both patients who are untreated and those receiving approved Pompe disease therapies. The main goals are to assess the long-term safety and real-world effectiveness of these treatments, understand their impact on quality of life and patient-reported outcomes, and describe the natural history of untreated Pompe disease. Participants may be treated with various therapies including enzyme replacement therapies such as cipaglucosidase alfa delivered by intravenous infusion, alglucosidase alfa or avalglucosidase alfa once approved locally, and miglustat co-administered with ATB200. Patients not receiving any medical therapy for Pompe disease are also included. The study gathers data from both treated and untreated patients as they are managed in routine clinical practice. Throughout the study, participant data will be collected to monitor the frequency of adverse events and serious adverse events over a period of five years. Researchers will also evaluate treatment effectiveness, quality of life, and patient-reported outcomes during this time. This observational approach allows for long-term safety monitoring and understanding of Pompe disease progression in a real-world setting.

Researchers are evaluating the long-term safety and effectiveness of Afimkibart (also known as RO7790121) in adults with Atopic Dermatitis who previously participated in Afimkibart clinical trials. This Phase 2 extension study aims to further understand the effects of this treatment over an extended period. Participants will receive Afimkibart through subcutaneous injections following a schedule outlined in the study protocol. The study specifically includes those who showed improvement in their skin condition during the prior trial and continued evaluation at the Week 36 follow-up visit. During the study, participants will undergo various assessments including clinical evaluations of their skin condition and completion of questionnaires about their quality of life and symptom severity. Safety will be closely monitored by tracking any adverse events from the start of the study and continuing up to six years. Blood samples will also be collected to study the drug's behavior in the body.

Researchers are evaluating the long-term safety of subcutaneous guselkumab in children with moderately to severely active ulcerative colitis, Crohn's disease, or juvenile psoriatic arthritis. This Phase 3, open-label study aims to monitor the safety of this treatment over an extended period in a pediatric population. Participants will receive guselkumab through subcutaneous injections. The study includes those who have completed the initial pediatric guselkumab dosing and have benefited from continued therapy as judged by their doctor. The study focuses on long-term treatment, with safety assessed by tracking adverse events for up to 6 years and 9 months. During the study, children will be regularly monitored for treatment-emergent adverse events. Parents or guardians will provide consent, and children able to understand will give assent. Researchers will collect data to assess safety throughout the treatment period, ensuring careful observation of participants' health and responses to guselkumab.

Researchers are studying adults with confirmed Primary Biliary Cholangitis (PBC) and cirrhosis, a scarring of the liver caused by damage to bile ducts. PBC is a slowly progressing disease that causes bile acid buildup and further liver damage, which can lead to cirrhosis. This study aims to evaluate if elafibranor, a daily medication, can prevent worsening clinical outcomes such as the need for liver transplant or death, compared to a placebo. It also looks at the safety of long-term elafibranor use and its effect on symptoms like itching and tiredness. Participants will take either an 80 mg tablet of elafibranor or a matching placebo once daily for up to 3.5 years in a double-blind setup, meaning neither the participants nor researchers know who receives which treatment. This long-term treatment period is designed to monitor the drug's impact over time. The study includes two groups: one receiving elafibranor and the other receiving placebo, with treatment lasting up to approximately 42 months. During the study, participants will be regularly assessed from the start until 4 weeks after treatment ends, with a maximum involvement of 3.5 years. Researchers will measure event-free survival, tracking if participants avoid clinical events indicating disease worsening. Safety monitoring will include tracking side effects and overall health, while symptom impact will be evaluated. Participants will provide informed consent and follow the study protocol throughout this extended observation period.

Researchers are evaluating the effects, safety, and response to the medicine zasocitinib in children and teenagers aged 4 to under 18 years who have moderate-to-severe plaque psoriasis. The study is designed in two parts, with Part A including both children and teenagers and Part B including only children. Initially, only teenagers meeting the study criteria can join, with children joining later after more data is collected from other studies. In Part A, participants are randomly assigned to receive either zasocitinib or a placebo for the first 16 weeks, after which all receive zasocitinib for the rest of the study. Participants in Part B receive zasocitinib throughout. The treatment period lasts up to 208 weeks, followed by a 4-week safety follow-up. Both drug and matching placebo are used, and the study is conducted at multiple centers. Participants will attend multiple visits to the study site over a total duration of up to 4 years and 2 months, including a screening period of up to 35 days. Researchers will assess improvements in psoriasis severity using measures like the Static Physician's Global Assessment and Psoriasis Area and Severity Index at week 16. In Part B, they will also study how the body absorbs and processes zasocitinib by measuring drug levels at specific times. Safety and tolerability will be monitored throughout the study.

Researchers are studying the long-term safety and effects of the medicine ritlecitinib for children with severe alopecia areata, a condition causing significant hair loss. This Phase 3 extension study involves participants who completed previous ritlecitinib studies and aims to assess long-term safety, effectiveness, and patient quality of life over up to 3 years. The study focuses on children aged 6 to 14 years who have experienced severe hair loss and have met specific prior study criteria. All participants receive ritlecitinib capsules taken once daily at home. Those who had higher or lower doses in a previous study continue the same dose, while those who previously received placebo or came from a different parent study are randomly assigned to a higher or lower dose. The study lasts up to 3 years and includes 17 clinic visits plus monthly phone calls to monitor treatment and health. During the study, participants are regularly evaluated for safety and treatment response using hair loss assessments and patient-reported measures of anxiety, depression, behavior, and skin-related quality of life. Safety monitoring tracks side effects and serious events from the start of consent through at least 28 days after the last dose. Participants are checked multiple times to decide whether to continue treatment, ensuring close observation throughout the trial.

This research investigates the long-term effects of mirikizumab in children and adolescents aged 2 to 19 years with moderate-to-severe ulcerative colitis or Crohn's disease. The study is designed as a Phase 3, multicenter, open-label extension trial aiming to assess the ongoing safety and efficacy of this treatment in pediatric participants. It includes those who have completed previous related studies and are expected to benefit from continued mirikizumab treatment. Participants will receive mirikizumab either by subcutaneous injection or intravenous infusion as part of this extended treatment. The study may last approximately 172 weeks and involve up to 44 visits over this period. There is also a possibility for participants to continue receiving treatment through a Continued Access Period after the main study. Throughout the study, participants will be regularly monitored with clinical assessments to determine remission status using the Modified Mayo Score for ulcerative colitis and the Pediatric Crohn's Disease Activity Index for Crohn's disease at week 52. Safety and efficacy will be closely followed, including the evaluation of any adverse events or changes in disease activity, ensuring comprehensive long-term observation.