Monoclonal gammopathy of uncertain significance

This Phase 2 trial is testing an investigational drug called linvoseltamab in 116 people with precancerous blood conditions that raise their risk of developing multiple myeloma. The goal is to see if the drug can eliminate abnormal plasma cells and lab signs of disease. Researche…

This study tests whether testicular tissue frozen before puberty can be transplanted back into adult men to restore sperm production. Five men who had fertility-threatening treatments as children will receive their own preserved tissue. The goal is to see if sperm can be found in…

This study tests whether the antibiotic rifaximin can reduce abnormal proteins in people with a precancerous blood condition called IgA MGUS. About 50 adults will either receive the drug or no treatment. The goal is to see if rifaximin can lower the risk of progression to multipl…

This study is checking whether unlicensed cord blood units are safe to use for stem cell transplants in children and adults with blood disorders. Researchers will closely watch for any infusion-related problems. The goal is to see if these units can be a safe option for patients …

This study tests whether the drug lusutrombopag can help restore platelet levels faster in patients who have had a stem cell transplant for blood disorders. About 45 adults will receive the drug after transplant, and doctors will check platelet counts at 21 days. The goal is to i…

This early-stage trial tests whether specially trained immune cells can safely target and attack multiple myeloma, as well as its early forms MGUS and smoldering myeloma. Up to 36 participants will receive two infusions of their own T cells that have been engineered to recognize …

This study is for adults with blood disorders who are getting a stem cell transplant from a matched donor. Researchers want to see if giving a special potato starch along with a drug that lowers iron (deferasirox) can help prevent serious complications like graft-versus-host dise…

This study aims to detect multiple myeloma at its earliest stage, called MGUS, using a simple blood test. It will screen 1,665 Black adults and close relatives of people with plasma cell disorders. The goal is to reduce delayed diagnosis and improve outcomes by catching the disea…

This study tests whether a plant-based diet or supplements (omega-3 and curcumin) can change gut bacteria in people with MGUS or smoldering multiple myeloma, conditions that can lead to multiple myeloma. Researchers will measure butyrate levels in stool, a sign of healthy gut bac…

This study looks at whether a diet that includes longer overnight fasting and follows a Mediterranean eating pattern is practical for people with multiple myeloma or its early forms (MGUS or smoldering myeloma). About 120 adults will try this approach to see if they can stick wit…

This study collects blood stem cells and immune cells from healthy volunteers and patients with primary immune deficiencies or blood disorders. The cells are used in the lab to develop new gene and cell therapies. Up to 850 adults aged 18-70 will participate. The goal is to advan…

This study collects blood, bone marrow, urine, and tissue samples from up to 6,000 people with solid tumors, blood cancers, or non-cancerous blood disorders, as well as from their healthy family members who are stem cell donors. The samples are stored and used in research to bett…

This study looks for better ways to detect lung inflammation and infections early in people who have received a stem cell transplant from a donor. About 40 participants aged 5 to 70 will get regular lung scans, breathing tests, blood draws, and a procedure where a tube collects f…

This study investigates whether changes in the GBA and PSAP genes are more common in people with multiple myeloma or its precursor condition, MGUS. Researchers will compare the frequency of these gene variants in 300 patients against known population databases. The goal is to bet…

This study looks at genetic changes in people with early-stage blood cancers or conditions that may lead to cancer. Researchers will analyze blood, bone marrow, or cheek cell samples from up to 10,000 participants to find DNA errors linked to cancer risk and progression. The goal…

The PROMISE study is enrolling 30,000 people at high risk for multiple myeloma, including African Americans and those with a family history of blood cancers. Participants provide blood samples so researchers can track changes over time and identify who progresses to myeloma. The …

This observational study follows 200 people with early blood conditions (MGUS or smoldering myeloma) that sometimes turn into multiple myeloma. Researchers will track age, blood protein levels, bone marrow cells, genes, and bone health to find patterns that predict progression. N…

This study is a large registry that collects health information from up to 200,000 people with blood disorders such as hemophilia, thrombosis, and sickle cell disease. Participants are seen at Hemophilia Treatment Centers across the U.S. The goal is to gather real-world data to h…

This study looks at people with early blood disorders (MGUS and smoldering myeloma) who are at risk of developing multiple myeloma, a type of bone marrow cancer. Researchers will use advanced genetic and immune testing on blood and bone marrow samples, along with mouth bacteria a…

This study looks at the quality of life of people with two early blood conditions: MGUS and smoldering myeloma. Researchers will ask 400 participants to fill out short questionnaires about their symptoms and concerns. The goal is to learn what matters most to patients, not to tes…

This study looks at whether firefighters' exposure to hazardous chemicals leads to pre-cancerous changes in their blood. Researchers will collect blood samples from 300 firefighters aged 40-49 with at least 5 years on the job. The goal is to find early markers that might predict …

This study is creating a network of hospitals in Italy to find and treat AL amyloidosis earlier. Researchers will screen people with certain blood conditions (MGUS or smoldering myeloma) using special tests. The goal is to speed up diagnosis, connect patients to the right care, a…

This study is for 1,000 adults with early blood conditions called MGUS or smoldering multiple myeloma. Researchers want to find out why some people's conditions stay stable while others progress to active multiple myeloma. Participants will provide samples and have regular check-…

This study is creating a database of up to 5,000 people in Ohio with plasma cell disorders like multiple myeloma and amyloidosis. Researchers will track treatments, outcomes, and quality of life, while also offering patients access to expert consultations and information about su…

This study looks at how gut bacteria and the immune system interact in children and adults receiving stem cell transplants or CAR-T therapy. Researchers will collect stool and blood samples over time to find patterns linked to complications like infections or graft-versus-host di…

This study investigates how a sugar modification called N-glycosylation affects AL amyloidosis, a rare disease where abnormal proteins build up in organs. Researchers will analyze blood and bone marrow samples from 100 adults with related conditions to better understand the disea…

This study looks at the gut microbiome (the bacteria living in the digestive system) of people with POEMS syndrome, multiple myeloma, MGUS, AL amyloidosis, and healthy household members. Participants provide stool samples at home using a collection kit. The goal is to understand …

This study is creating a national registry of 1,000 people in Spain diagnosed with Waldenström macroglobulinemia or a related condition (IgM-MGUS) over the past 30 years. Researchers will review medical records to understand patient characteristics, treatments, and long-term outc…

This study is looking at 2,000 people who have early warning signs of blood cancers or bone marrow failure. Researchers use a special genetic test (next generation sequencing) to find changes in cancer-related genes. The goal is to better understand who is at risk and to catch th…

This study aims to find out how many people with an enlarged spleen or certain blood disorders (like multiple myeloma) also have Gaucher disease or acid sphingomyelinase deficiency (ASMD). Researchers will use a simple blood spot test to check for these rare conditions. The goal …

This early-phase study is testing a new imaging agent called [68Ga]-pentixafor to see how well it shows up on PET/CT scans in people with certain blood cancers (like multiple myeloma and non-Hodgkin lymphoma) and rare immune cell tumors. About 30 participants will get the agent a…

This study is looking for 2,000 people who have a close family member with a blood cancer like multiple myeloma. The goal is to find early warning signs of the disease by collecting blood samples and health information over time. Participants will not receive any treatment, but t…

This study follows 102 women who had fertility preservation before cancer treatment to see what happens long-term. Researchers want to know if they get pregnant naturally, use stored eggs or tissue, or decide not to have children. The goal is to improve support and care for femal…

This study is collecting long-term safety and effectiveness data on treatments for various blood disorders, including hemophilia, sickle cell disease, and clotting disorders. It aims to enroll 3000 people of any age with these conditions. Researchers will monitor side effects, co…

This study is creating a collection of blood samples from 2,000 people with various blood disorders. The samples will be stored and used for future research approved by an ethics board. No treatments or drugs are being tested, and participants continue their normal care.

This study looks at families who carry a change in the DDX41 gene, which may raise the risk of blood cancers like leukemia. Researchers will collect health questionnaires and saliva samples from up to 910 people to track who develops blood problems and when. The goal is to better…

This study collects and stores blood and tissue samples from 6,000 people with multiple myeloma and related conditions like smoldering myeloma and MGUS. The goal is to create a shared resource for researchers worldwide to study these diseases and improve patient care. Participant…

This study looks at using a needle placed into the bone marrow (intraosseous infusion) to give fluids and medicines quickly to critically ill patients with blood diseases. Researchers will enroll 52 adults aged 18-65 to see how often the first attempt works and how safe it is. Th…

This study looks at how a short-term plant-based diet or supplements (omega-3, curcumin, or probiotics) change levels of butyrate—a healthy gut compound—in people with smoldering multiple myeloma or MGUS. About 200 participants will be randomly assigned to one of the diet or supp…

This study is creating a large collection of blood samples, tissue, and health information from 2,500 people with plasma cell disorders like multiple myeloma. Researchers will use this repository to better understand how the disease develops and changes over time. No new treatmen…

This study looks at sleep apnea in people with MGUS or multiple myeloma, two plasma cell disorders. Researchers will collect bone marrow samples during routine biopsies to compare gene activity in patients with and without sleep apnea. The goal is to understand if sleep apnea inf…

This study is a registry that tracks patients with blood diseases who receive stem cell transplants at a hospital on the Qinghai-Tibet Plateau. Researchers will collect information on recovery, complications, and costs over time. The goal is to understand how high altitude affect…

This study looks at whether a quick ultrasound of the thigh muscle can detect muscle loss (sarcopenia) in people who have finished cancer treatment. Researchers will compare the ultrasound results with a standard whole-body scan (DEXA) in 55 adults aged 18-74 with certain cancers…