This clinical trial focuses on testing the efficacy of different digital interventions to promote re-engagement in cancer-related long-term follow-up care for adolescent and young adult (AYA) survivors of childhood cancer.
Background: Idiopathic CD4 lymphopenia (ICL) is a syndrome characterized by low levels of certain immune cells called CD4 T cells. The low CD4 T cells renders people with ICL prone to many types of severe infections, autoimmune diseases, and cancers. Although these infections and diseases can be treated whenever occur, there is currently no treatment that targeting the underlying deficiency of CD4 T cells can provide a definitive treatment for people with ICL. Objective: To test a new drug (NT-17) in people with ICL which can increase the number of CD4 T cells Eligibility: People aged 18 to 75 years with ICL who are also enrolled in NIH protocol 09-I-0102. Design: Participants will be screened. They will have a physical exam and blood tests. Some participants with high suspicion of central nervous system infection or history of such infections may also undergo a lumbar puncture. A thin needle will be inserted into their lower back to draw out a sample of the fluid around their spinal cord. Participants will receive 3 doses of NT-17, each about 12 weeks apart. NT-17 is injected into the muscle of the upper arm, thigh, or buttock. They will visit the clinic 5 days before each dose and again 2 and 4 weeks after each dose. Blood will be drawn at all visits. Participants will undergo leukapheresis 3 times. Blood will be drawn from a needle in one arm. The blood will pass through a machine that separates out the white blood cells. The remaining blood will be given back through a second needle in the other arm. Some visits will include a rectal swab. Some participants may have additional tests, including a skin exam, skin biopsies, and medical imaging. Participants will have 3 follow-up visits every 3 months after they finish treatment.
An Open-Label, Single-Arm, Phase 1/2 Dose-Escalation Trial of Long-Acting Recombinant Human IL-7 (NT-I7, Efineptakin-Alpha) for Idiopathic CD4 Lymphopenia
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
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Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)
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