Pfizer

Researchers are testing an RSV vaccine in healthy adults aged 60 and older to see how safe it is and how well it triggers an immune response. The trial enrolls about 600 people in China and the United States. In China, participants receive either the vaccine or a placebo; in the …

This trial tests a new pneumococcal vaccine, called PG4, in adults aged 18 to 49. Researchers compare three batches of PG4 to each other and to the current vaccine, Prevnar 20, to see if they produce similar immune responses and are equally safe. Participants receive one injectio…

Researchers are testing whether abrocitinib, an oral medicine taken once daily as a liquid, safely improves moderate-to-severe eczema in children aged 2 to under 6. About 90 children with a documented eczema diagnosis for at least a year will join. Two out of three will receive a…

Researchers are examining how well ritlecitinib works for people with alopecia areata when prescribed in everyday medical practice rather than in a controlled trial. The study draws on US electronic health records and insurance claims for about 7,500 patients aged 12 and older wh…

This trial tests an experimental drug called PF-08154225 in people with autoimmune diseases like lupus, rheumatoid arthritis, myositis, or scleroderma. The drug aims to calm the immune system, which mistakenly attacks healthy cells in these conditions. Participants receive the dr…

This study tests an experimental drug called berobenatide, given as a once-monthly injection, to see if it helps adults with obesity lose weight. About 197 participants in Japan will receive either berobenatide or a placebo for roughly 21 months. The trial measures changes in bod…

This Phase 3 trial tests an investigational drug called berobenatide, given as a once-weekly injection, in about 180 adults with obesity in Japan. Some participants may also have type 2 diabetes. Researchers randomly assign participants to receive either berobenatide or a placebo…

This Phase 3 trial tests whether berobenatide, a once-weekly injection, helps Chinese adults with overweight or obesity lose weight. About 300 participants will receive either berobenatide or a placebo for 48 weeks, with researchers tracking changes in body weight and safety. The…

This study offers continued access to tucatinib, an oral targeted therapy, for people with HER2-positive cancers (including breast, cervical, and lung) who were already benefiting from the drug in a previous Pfizer-sponsored trial. The main goal is to monitor long-term safety and…

This Phase 3 trial is testing whether an experimental biologic called tilrekimig can reduce the severity of moderate-to-severe atopic dermatitis (eczema) in people aged 12 and older. Participants will receive either tilrekimig, an existing treatment (dupilumab), or a placebo for …

This Phase 3 trial is testing whether an investigational drug called tilrekimig can reduce the number of severe asthma attacks in adults and adolescents with a history of frequent exacerbations. Participants will receive either tilrekimig or a placebo as a subcutaneous injection,…

This Phase 3 trial tests a new biologic drug (PF-08634404) plus chemotherapy against the approved drug Keytruda plus chemotherapy in 600 women with advanced or recurrent pMMR endometrial cancer. The goal is to see if the new combination helps patients live longer without their ca…

This early-stage trial is testing an experimental oral drug called PF-08642534 in adults with obesity. The goal is to see if different doses are safe and how the body processes the drug. Participants will receive either the drug or a placebo once daily for a set period. The study…

This study tracks 600 adults in Korea with advanced HER2-positive breast cancer who are starting TUKYSA for the first time. Researchers will monitor how well the drug works and any side effects in real-world settings, outside of controlled trials. The goal is to confirm the drug'…

This phase 3 trial tests whether taking rimegepant once daily can prevent migraine attacks in people with chronic migraine (15 or more headache days per month). About 400 adults will receive either rimegepant or a placebo for 12 weeks, then all participants may receive rimegepant…

Researchers are testing whether a monthly injection of berobenatide can reduce the severity of obstructive sleep apnea and lower body weight in adults who have overweight or obesity and use a PAP breathing machine. The trial enrolls about 258 adults with moderate to severe sleep …

This early-stage trial tests whether the drug ponsegromab can help adults with advanced non-small cell lung cancer who are losing muscle mass (cachexia). About 80 participants will receive either ponsegromab or a placebo. The study measures changes in muscle size and physical fun…

This study will monitor the safety and effectiveness of NURTEC ODT 75 mg (rimegepant) in 3000 Korean adults with migraine. Participants will take the drug as prescribed for acute attacks or prevention. Researchers will track side effects and how well the drug works, including pai…

This study looks at how different liquid versions of the drug osivelotor taste and how well they get into the blood compared to a tablet. It also checks if taking the drug with food or an antacid changes absorption. About 52 healthy adults aged 18 to 65 will take part.

This study looks back at medical records to compare how long men with metastatic castration-sensitive prostate cancer (cancer that has spread but still responds to hormone therapy) go before needing a next treatment after starting either enzalutamide or darolutamide, both combine…

This phase 1 trial in 12 healthy adults tests whether eating a high-fat, high-calorie meal changes how much of the experimental drug prifetrastat enters the bloodstream. Each participant receives a single dose of prifetrastat once after a meal and once on an empty stomach, with a…

This study looks at health records of babies born in Scotland to see if those whose mothers received the RSV vaccine (ABRYSVO) during pregnancy have fewer hospital visits for RSV. No new participants are enrolled; researchers will analyze existing data. The goal is to understand …