Clinical trials

10

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Condition / disease
Location
Status: Recruiting

Characterization of Diseases With Salivary Gland Involvement

Background: \- Salivary glands in and around the mouth and throat make saliva. Salivary gland disorders can affect a person s quality of life. Studying people who have a disease that affects their salivary gland(s) may teach researchers about the disorders and their genetics. Objectives: \- To study salivary gland diseases and disorders. To collect data and samples from people with salivary gland problems and their relatives. Eligibility: * People more than 4 years old who have or are suspected to have a disease involving salivary glands. * Their relatives more than 4 years old. * Healthy volunteers 18 years or older. Design: * Participants may be screened with: * Medical history * Physical exam * Blood and urine tests * General oral and dental history and exam * Saliva collection * Eye exam and test for dry eyes * Health questionnaires (adults) * Biopsy of some minor salivary glands. A small incision will be made on the inside of the lower lip and several tiny salivary glands will be removed. * Participants will have 2-3 visits. These may include: * Repeats of some screening tests * Ultrasounds of some glands. Researchers will put some gel on the face, then press on it with a smooth wand. * Adults may have other biopsies * A small catheter inserted into the opening of the parotid gland duct on the inside of the cheek. A saline solution (in a syringe) will fill the duct. * Swishing a saltwater solution in the mouth for 10 seconds and then spitting into a cup * Scrapings collected from teeth, tongue, and cheeks

Participants needed: 1,150
Trial details
Age: 4-100Biological sex: AllType: ObservationalSponsor: National Institute of Dental and Craniofacial Research (NIDCR)Updated: Jun 30, 2026Locations: 1
Eligibility criteria

Persons older than 4 years of age, affected with or suspected of being affected...

Anyone not able to give consent/assent or parental/guardian consent [+9]

Status: Recruiting

Oral Specimen and Data Acquisition Study of Subjects Requiring Third Molar Removal

Background: \- The third molars (wisdom teeth) normally grow in during late adolescence or early adulthood. Many people need or choose to have these teeth removed with oral surgery. Normally, the removed teeth and tissue are thrown away as medical waste. However, oral health researchers want to collect the teeth and tissue for research. They also want to encourage dentists at the National Institutes of Health to improve their skills in oral surgery. This study will collect the teeth and tissue of people who need to have oral surgery to remove their wisdom teeth. Objectives: * To provide continued dental skills training for dentists at the National Institutes of Health. * To collect teeth and tissue samples following wisdom tooth removal surgery. Eligibility: \- Individuals between 16 and 50 who need to have their wisdom teeth removed. Design: * This study will involve a minimum of three visits. There will be a screening visit, a surgery visit, and at least one follow-up visit. * Participants will be screened with a physical exam and medical history. A full dental exam with x-rays will be given to evaluate the need for surgery. * At the second visit, participants will have oral surgery to remove their wisdom teeth. The teeth and tissue removed during the surgery will be collected for study. * Participants will receive drugs to control the pain after surgery. They will also be able to contact a dentist if there are any problems. * Between 7 and 21 days after surgery, participants will have a followup visit to check the healing. If they are having no problems, this will be the last visit. If there are any postsurgery issues, they will be scheduled for additional visits as needed.

Participants needed: 3,000
Trial details
Age: 16-50Biological sex: AllType: ObservationalSponsor: National Institute of Dental and Craniofacial Research (NIDCR)Updated: Jun 30, 2026Locations: 1
Eligibility criteria

Ages greater than or equal to 16-50 years [+4]

Pregnant or nursing women [+1]

Status: Recruiting

Oral Bacteria and Immune System Problems Involved in Gum Disease (Periodontitis)

Background: \- Gum disease is a condition in which the tissue around the tooth root becomes swollen and infected. This condition can cause tooth loss if it is not treated. Who gets gum disease and how bad it will be depends on (1) the different bacteria in the mouth and (2) how the immune system of an individual handles these bacteria. Researchers want to look at the oral bacteria and genetic immune problems of different people to learn how these affect gum disease and other conditions of the mouth. Objectives: \- To study how immune system problems may lead to problems in the mouth, including gum disease. Eligibility: * Children and adults at least 7 years of age who have genetic problems with their immune system. * Healthy adults that have periodontal disease * Health adults that do not have periodontal disease Design: * This study will involve a screening visit and a study visit. * Participants will be screened with a medical history, blood work and a full oral and dental exam, including dental x-rays and photos. * The study visit will involve collection of blood, urine, and other samples, including saliva, plaque, and gum swabs. Any abnormal tissue will sampled for a biopsy. Additional oral and dental exams will be performed. Participants will also answer questions about any current medical or dental problems.

Participants needed: 700
Trial details
Age: 7-100Biological sex: AllType: ObservationalSponsor: National Institute of Dental and Craniofacial Research (NIDCR)Updated: Jun 30, 2026Locations: 1
Eligibility criteria

Diagnosed with a genetic immune defect [+12]

History of Hepatitis B or C [+20]

Status: Recruiting

Screening and Natural History of Patients With Polyostotic Fibrous Dysplasia and the McCune-Albright Syndrome

Polyostotic fibrous dysplasia (PFD) is a sporadic disorder which affects multiple sites in the skeleton. The bone at these sites is rapidly resorbed and replaced by abnormal fibrous tissue or mechanically abnormal bone. PFD may occur alone or as part of the McCune-Albright Syndrome (MAS), a syndrome originally defined by the triad of PFD, cafe-au-lait pigmentation of the skin, and precocious puberty. The bony lesions are frequently disfiguring, disabling and painful, and depending on the location of the lesion, can cause significant morbidity. Lesions in weight-bearing bones can lead to disabling fractures, while lesions in the skull can lead to compression of vital structures such as cranial nerves. The natural history of this disease is poorly described and there are no clearly defined systemic therapies for the bone disease. This is a data collection and specimen acquisition protocol. The purpose of the study is to define the natural history of the disease by following PFD/MAS subjects over time and by using in vitro experimentation with samples/tissue from subjects with the disease. Study Objectives 1. Primary Objective Define the natural history of disease by gaining clinical and basic information about PFD/MAS by following subjects clinically and using in vitro experimentation with tissue from subjects with the disease. 2. Secondary Objective Refer eligible subjects for enrollment into other appropriate research protocols, if any are currently active. Study Population The study population will include: 1. Subjects with known or suspected Polyostotic Fibrous Dysplasia (PFD) or in combination with McCune-Albright Syndrome (MAS) 2. Subjects who meet eligibility criteria will be accepted regardless of gender, race, or ethnicity Design This study is an observational/natural history study of PFD/MAS. Outcome Measures Primary 1. Successfully enroll subjects with PFD or MAS for the collection, evaluation and analysis of data obtained from clinical visits. 2. Obtain onsite and offsite research tissue (waste tissue) from patients with PFD/MAS that are enrolled onto this study or from individuals with PFD/MAS that are offsite and willing to donate waste tissue to NIH. Research tissue will be used with existing primary cell culture technology (ongoing in our laboratories) to: * understand the basic bone biology of the pathologic cell (or cells) involved in the lesions of PFD/MAS * determine the presence or absence of mutated cells at "uninvolved sites" to formulate better strategies of predicting the initiation of new lesions, the natural history of lesion progression and/or response to therapy * understand osteogenic differentiation, in particular, the role of G(s)alpha in these lesions, which will be transferable to our understanding of bone biology in general * understand the pathophysiology of FD and/or endocrine lesions * develop better methods of identifying and expanding unaffected bone cells from patients with PFD in an effort to create better grafting material(s) 3. Identify and predict clinical and biological behavior of fibrous dysplastic bone lesions based on: * stability, rate of growth, rate of change, progression and regression, and development of new lesions * differences between cranial, axial and appendicular lesions 4. Define the natural history of the multiple endocrinopathies associated with MAS and the response to standard of care medications 5. Define clinical and biological aspects of the disease not previously identified 6. Generate future research studies related to PFD alone or in combination with MAS Secondary 1\) Successfully enroll eligible subjects into active research protocols applicable to the FD/MAS population....

Participants needed: 500
Trial details
Age: 1-100Biological sex: AllType: ObservationalSponsor: National Institute of Dental and Craniofacial Research (NIDCR)Updated: Jun 30, 2026Locations: 1
Eligibility criteria

1. Any patient, age 1 day of life and older, with a likelihood of having PFD or...

Patient, child, or parent/guardian unwilling to fully cooperate with the evaluat... [+1]

Status: Recruiting

Safety of Tofacitinib, an Oral Janus Kinase Inhibitor, in Primary Sjogren Disease

Background: Sjogren disease is an autoimmune disease - that is, a disease that causes the body's immune system to attack its own organs and tissues. Sjogren disease can affect the kidneys, lungs, or other organs. It can also cause dry mouth and eyes, fever, joint pain, rashes, and other symptoms. Researchers want to know if a drug approved to treat rheumatoid arthritis and other autoimmune diseases can help people with Sjogren disease. Objective: To test a drug (tofacitinib) in people with Sjogren disease. Eligibility: People aged 18 to 75 years with Sjogren disease. They must be enrolled in protocol 15-D-0051. Design: * Participants will be screened. They will have a physical exam with blood and urine tests. They will give samples of saliva; a small sample of tissue will be taken from a salivary gland. They will have a test of their heart function. They will have an eye exam, including a test for dry eyes. * Tofacitinib is a tablet taken by mouth. Participants will take the drug twice a day at home. * Participants will have 9 clinic visits over 28 weeks. Each visit will take up to 5 hours. In addition to repeated tests, they will have tests of the speed and pressure of blood flow through their body. They will complete health questionnaires throughout the study. * Participants will also have 5 phone visits during the study. They will review their health and study treatments. * They will have 1 final visit after they stop taking the drug.

Participants needed: 60
Trial details
Phase: Phase 2Age: 18-75Biological sex: AllType: InterventionalSponsor: National Institute of Dental and Craniofacial Research (NIDCR)Updated: Jun 26, 2026Locations: 1
Eligibility criteria

Ability of participant to understand and the willingness to sign a written infor... [+11]

Current or prior treatment with rituximab, belimumab, or any other biologic agen... [+36]

Status: Recruiting

A Natural History Study of Bone and Mineral Disorders

This study has four objectives: 1) to provide investigators the opportunity to study bone specimens from patients with various skeletal diseases; 2) to treat patients with skeletal diseases at the NIH; 3) to expose NIH trainees to certain skeletal diseases; and 4) to gain more knowledge about skeletal diseases and stimulate further study of bone biology. Anyone with a disease that affects the skeleton may be eligible for this study. All evaluations, tests, procedures and treatments given study participants are used in the standard care of skeletal diseases. No experimental evaluations or treatments are offered. Patient evaluations include a medical history, review of medical records and routine physical examination. Based on the findings, other procedures may be recommended, including blood tests, urine tests, and imaging tests, such as X-rays, bone densitometry, bone scan, computed tomography (CT) and magnetic resonance imaging (MRI). Bone specimens from participants will be collected for research use. Specimens will be obtained from bone removed during a patient s planned surgical procedure performed for medical care, or patients may be requested to have a bone biopsy removal of a small piece of bone tissue as part of the patient evaluation procedure.

Participants needed: 1,000
Trial details
Age: 1-100Biological sex: AllType: ObservationalSponsor: National Institute of Dental and Craniofacial Research (NIDCR)Updated: Jun 24, 2026Locations: 1
Eligibility criteria

Age 1 day of life or older [+2]

Status: Recruiting

The Pathogenesis and Natural History of Sjogren's Disease

Background: -Sjogren s Disease (formerly: Sjogrens Syndrome, Sj(SqrRoot)(Delta)gren s syndrome) is a disease that affects about 1-4 million Americans. It is more common in women. It mainly affects the glands that produce saliva and tears, leading to dry eyes and dry mouth. The cause of Sjogren s Disease is unknown, but inflammation plays an important role. The purpose of this study is to learn more about Sjogren s Disease. Objectives: -To better understand how Sjogren s Disease begins and how it affects patients so that we can develop better ways to treat them. Eligibility: * Participants must be 16 years of age or older. * They must have a diagnosis of Sjogren s Disease or have at least two symptoms of Sjogren s Disease. Design: * People taking part in the study will come to the NIH Clinical Center for at least three visits. * During these visits, participants will have a medical history and physical exam. They will have oral and dental assessments, and saliva collection. Lab tests (blood and urine) and dry eye exams will be done. Participants will answer questionnaires and have salivary scintigraphy (adults only unless required for diagnosis). * Other optional tests may also be done. Participants may have to come in for additional visits if they have these optional tests or if their disease changes. * The only treatment provided as part of this study is for medical emergencies or complications that occur while you are at NIH for evaluation.

Participants needed: 300
Trial details
Age: 16-100Biological sex: AllType: ObservationalSponsor: National Institute of Dental and Craniofacial Research (NIDCR)Updated: Jun 18, 2026Locations: 1
Eligibility criteria

Ability to sign informed consent form [+3]

Age <16 years [+3]

Status: Recruiting

Resiniferatoxin to Treat Severe Pain Associated With Advanced Cancer

This study will examine the safety of giving the experimental drug, resiniferatoxin (RTX), to treat severe pain in patients with advanced cancer. RTX is a chemical extracted from a cactus-like plant. It is similar to capsaicin, the active ingredient in hot pepper. RTX has relieved pain and reduced the need for pain medication in several animal experiments. It works by destroying nerves that transmit pain information. People at least 18 years of age with severe pain from advanced cancer at or below the level of the chest that cannot be controlled with standard treatments may be eligible for this study. Participants undergo the following procedures: Pretreatment Visit Before beginning treatment with RTX, patients give a medical history and undergo a physical examination that includes: * Electrocardiogram (EKG) * Blood draw * Urinalysis * Neurological examinations * Peak expiratory flow rate (PEFR) * Eye examination * MRI * Urology assessment * Pregnancy test, when appropriate * Questionnaires to collect information on health, personality, mood, pain levels and symptoms. 2-Day Hospitalization Patients are hospitalized for 2 days for RTX injection and monitoring, as follows: * RTX injection: RTX is injected in the operating room under general anesthesia. It is given through a catheter placed in the patient s spine. The catheter is also used to obtain samples of cerebrospinal fluid (CSF) the clear fluid that bathes the spinal cord. The fluid is examined to assess drug effects and side effects, chemical changes in the content of the CSF associated with RTX, and how RTX is handled by the body. * Post-injection monitoring, including: * Surveys about symptoms such as pain or weakness * Neurological examinations * Blood and CSF sampling * EKG * AEs Outpatient followup * Vitals * Blood draw, Urinalysis, neurological and sensory testing, EKG on days 7, 14 and 30 after the injection * MRI scans of the head and back, Urology assessment and PEFR on day 15 after the injection * Eye examination * Follow-up phone calls monthly for 6 months

Participants needed: 45
Trial details
Phase: Phase 1Age: 18-99Biological sex: AllType: InterventionalSponsor: National Institute of Dental and Craniofacial Research (NIDCR)Updated: Jun 8, 2026Locations: 1
Eligibility criteria

Age 18 years or older. [+17]

Primary pain source from anatomical regions at T5 dermatome or above. [+18]

Status: Recruiting

Safety and Efficacy of PTH-IA

Jansen s Metaphyseal Chondrodysplasia (JMC) is a very rare disorder with only approximately 30 people known to have the disease worldwide. It is caused by parathyroid hormone 1 receptor (PTH1R) variants leading to constitutive activation of the receptor for parathyroid hormone (PTH) and parathyroid hormone-related peptide (PTHrP). PTH1R is predominantly expressed in the kidneys and bone and growth-plate chondrocytes. Individuals with JMC develop severe growth impairment resulting in significant short stature, scoliosis, frequent fractures, bone pain, mineral-ion abnormalities (typically hypercalcemia and hypercalciuria), hypertension, and chronic kidney disease due to nephrocalcinosis and nephrolithiasis. Children often undergo multiple surgeries for skeletal fractures and deformities; mobility is commonly impaired, usually requiring assistive devices for ambulation. Other complications may include premature closure of cranial sutures and cranial nerve compressions with the potential for vision and/or hearing loss \[1-3\]. Physical function impairment and the need for complication-related operations have profound deleterious effects on quality of life in individuals with JMC. There are currently no approved therapies for JMC, and novel therapies are critically needed to prevent irreversible disease complications and improve patient quality of life. The inventors of the drug, parathyroid hormone inverse agonist (PTH-IA), have considerable expertise in both the basic and clinical aspects of PTH/PTHrP receptor molecular biology and pharmacology. They reported the first PTH1R JMC mutations (including the H223R mutation) over 20 years ago and identified certain PTH antagonist ligands that function as inverse agonists on the PTH1R JMC mutant receptors \[2, 4\]. These ligands suppress the mutant receptor s elevated basal rates of cAMP signalling, as assessed in cultured cells and animal models. In vivo studies confirm that inverse agonist ligands may be effective in treating JMC. This study involves the use of PTH-IA, a 30-amino acid PTH inverse agonist ligand with the amino acid sequence \[Leu11,dTrp12,Trp23,Tyr36\]-PTHrP(7-36)NH2. We hypothesize that PTH-IA will be a safe and effective treatment for individuals with JMC.

Participants needed: 12
Trial details
Phase: Phase 1, Phase 2Age: 3-100Biological sex: AllType: InterventionalSponsor: National Institute of Dental and Craniofacial Research (NIDCR)Updated: Jun 1, 2026Locations: 1
Eligibility criteria

Willingness of participant and/or guardian to sign a written informed consent fo... [+5]

Pregnancy or lactation [+10]

Status: Recruiting

Natural History of Craniofacial Anomalies and Developmental Growth Variants

Background: Some head and facial abnormalities are rare and present at birth. Others are more common, and may not show up until puberty. These conditions have different causes and characteristics. Researchers want to learn more about these conditions by comparing people with face, head, and neck abnormalities to family members and to healthy volunteers without such conditions. Objectives: To learn more about abnormal development of the face, head, and neck. To determine their genetic variants. Eligibility: People who have not had surgery for facial trauma: People ages 2 and older with craniofacial abnormalities (may participate offsite) Unaffected relatives ages 2 and older Healthy volunteers ages 6 and older Design: Participants will be screened with medical history and physical exam focusing on head, face, and neck Participants may be followed for several years. Visits may require staying near the clinic for a few days. A visit is required for the following developmental stages, along with follow-up visits: Age 2-6 Age 6-10 Age 11-17 Age 18 and older Visits may include: Medical history Physical exam Questionnaires Oral exam Blood and urine tests Cheek swab: a cotton swab will be wiped across the inside of the cheek several times. Cone beam CT scan (CBCT): x-rays create an image of the head, face, teeth, and neck. Participants will stand still or sit on a chair for about 20 minutes while the scanner rotates around the head. Photos of the head and face Offsite participants will provide: Copies of medical and dental records Leftover tissue samples from previous surgery Blood sample or cheek swab

Participants needed: 2,400
Trial details
Age: 2-100Biological sex: AllType: ObservationalSponsor: National Institute of Dental and Craniofacial Research (NIDCR)Updated: Mar 17, 2026Locations: 1
Eligibility criteria

Age > 2 to < 100 with craniofacial anomalies/abnormalities. Affected family memb... [+8]

A history of facial trauma requiring surgical treatment and facial reconstructio... [+1]