Skip to main content
Click Here For COVID-19 Studies
Home
Clinical Trials Office Register as a Researcher Log In
351 Studies Now Enrolling
 Menu
Home How It Works Resources Join RecruitMe

Search

Reset

Status

  • Currently Recruiting (20)
  • Closed (27)

Medical Condition

  • Show all (1900)
  • Addiction (16)
  • Allergy, Asthma, & Immunology (12)
  • All of Us Research Program - NIH (1)
  • Autoimmune Disorders (28)
  • Blood Disorders (38)
  • Bone & Muscle (10)
  • Cancer (726)
    • Bladder Cancer (14)
    • (-) Brain Cancer (25)
    • Breast Cancer (70)
    • Gastrointestinal (16)
    • Gynecologic Cancer (28)
    • Head and Neck Cancer (4)
    • Kidney Cancer (8)
    • Leukemia (75)
    • Liver Cancer (10)
    • Lung Cancer (62)
    • Lymphoma (45)
    • Multiple Myeloma (30)
    • Pancreatic Cancer (22)
    • Prostate Cancer (36)
    • Sarcoma (25)
    • Skin Cancer (30)
    • Solid Tumors (42)
    • Thyroid Cancer (1)
    • Uveal Melanoma (7)
  • Child Development (4)
  • COVID-19 (Coronavirus) (37)
  • Critical Illness (1)
  • Dental (2)
  • Developmental Disorders (2)
  • (-) Diabetes (22)
  • Ear, Nose and Throat (11)
  • Endocrine & Metabolic Disease (13)
  • Eye (8)
  • Gastrointestinal and Digestive Diseases (22)
  • Hair and Skin Disorders (2)
  • Headaches (5)
  • Healthy Volunteers (175)
  • Heart Disease (128)
  • Infectious Disease (48)
  • Insomnia (2)
  • Kidney Disease (12)
  • Liver Disease (48)
  • Lung Disease (32)
  • Meniere's Disease (1)
  • Neurological Disorders (174)
  • Nutrition (4)
  • Obesity (9)
  • Obstetrics & Gynecology (51)
  • Pain Management (1)
  • Pediatrics (104)
  • Psychiatric Disorders (65)
  • Rehabilitation (8)
  • Stroke (7)
  • Surgery (7)
  • Transplant (51)
  • Urology (4)
  • Vascular Conditions (9)
Displaying 1 - 47 of 47

Trial Net Type 1 Diabetes (T1D) RELAY

Condition: Diabetes
Investigator: Robin Goland, MD
Status: Currently Recruiting
The purpose of this study is to learn if the use of two drugs, Rituximab and Abatacept, one after the other, will help to extend insulin production in people newly diagnosed with type 1 diabetes (T1D). These two medications may potentially help each other with altering the immune response that causes the attack on insulin-secreting cells in the pancreas.…
Read More

Study of AZD9574 in Patients with Brain Cancer

Condition: Cancer / Brain Cancer
Investigator: Maria Diaz Ordonez, MD
Status: Currently Recruiting
The main purpose of this study is to determine a dose of AZD9574 that is safe and tolerable (does not cause side effects that could prevent people from taking the drug) when given alone or in combination with temozolomide. The study will also evaluate how much of the study drug is in your blood at various times. In addition, the action of the study drug…
Read More

Study to Evaluate Multiple Treatments for Patients with Newly Diagnosed or Recurrent GBM

Condition: Cancer / Brain Cancer
Investigator: Andrew Lassman, MD
Status: Currently Recruiting
The purpose of this study is to evaluate multiple investigational treatments for either newly diagnosed or recurrent brain tumors to determine if any of these study treatment(s) improve overall survival as compared to standard treatments. Investigational means that these are new treatments sometimes called "study drugs" and are not approved by the…
Read More

Study of Focused Ultrasound (FUS) with DEFINITY Microbubbles in Children and Young Adults with Progressive Diffuse Midline Glioma (DMG)

Condition: Cancer / Brain Cancer
Investigator: James Hinkley Garvin Jr, MD
Status: Currently Recruiting
Children and young adults with diffuse midline glioma will be treated with Focused Ultrasound (FUS) with DEFINITY microbubbles and neuro-navigator-controlled sonication. The overall goal of this study is to see if the study treatment plan will improve the outcome of participants with diffuse midline glioma, for which no known cure exists, and determine…
Read More

Study of Lutathera in Patients with Glioblastoma (GB)

Condition: Cancer / Brain Cancer
Investigator: Mikhail Doubrovin, MD
Status: Currently Recruiting
The purpose of the study is to evaluate the safety of Lutathera alone in patients with recurrent glioblastoma and the combination of Lutathera with radiotherapy with temozolomide (TMZ) in patients with newly diagnosed glioblastoma (GB) and to establish the appropriate dose of this combination. Lutathera is a radioligand therapy, which is a targeted…
Read More

Pediatric Type 1 Diabetes and Bone Health Study

Condition: Diabetes
Investigator: Mishaela Rubin, MD
Status: Currently Recruiting
We are looking for children between the ages of 8-14 with Type 1 diabetes and without Type 1 diabetes who are interested to participate on a research study to find out how bones are affected in children and adolescents with Type 1 diabetes as compared to people without Type 1 diabetes.
Read More

Study of Chemotherapy Drug, Lomustine, in Addition to Temozolomide in Patients with Glioblastoma (GBM)

Condition: Cancer / Brain Cancer
Investigator: Fabio Iwamoto, MD
Status: Currently Recruiting
The purpose of this study is to compare the usual radiation therapy and usual chemotherapy, temozolomide, to using the usual radiation therapy and usual chemotherapy plus the chemotherapy drug lomustine (Gleostine). Lomustine (Gleostine) is already approved by the FDA for use in brain tumors but it is usually used alone and is not the first-line choice for…
Read More

Effect of Lowering Insulin Levels on Blood Sugar

Condition: Diabetes
Investigator: Joshua Cook, MD, PhD
Status: Currently Recruiting
We are conducting a research study on how insulin controls blood sugar in both healthy people and those at risk of type 2 diabetes. We are seeking adult volunteers, aged 18-65, who have body mass indices either in the lean range (18-25 kg/m2) or in the obesity range (30-45 kg/m2) but who do not have prediabetes or diabetes. Participants will undergo a…
Read More

Study of Eflornithine & Temozolomide in Patients with Glioblastoma Multiforme (GBM)

Condition: Cancer / Brain Cancer
Investigator: Maria Diaz Ordonez, MD
Status: Currently Recruiting
The purpose of this study is to measure how safe eflornithine is in combination with temozolomide in patients with newly diagnosed glioblastoma multiforme (GBM) or astrocytoma following radiation therapy. Safety and tolerability will be determined on the basis of physical exams, laboratory tests, and questions about any problems you might experience during…
Read More

Study of Sonocloud 9 in Patients with Glioblastoma (GBM)

Condition: Cancer / Brain Cancer
Investigator: Brian Gill, MD
Status: Currently Recruiting
The purpose of this study is to see if the implantable device, Sonocloud 9, is effective getting chemotherapy to better reach your tumor compared to receiving standard-of-care chemotherapy Temozolomide and Lomustine and to see how safe and tolerable the device is. Sonocloud 9 works by making the blood-brain barrier (BBB) more permeable (allowing liquids or…
Read More

Trial Net JAKPOT Type 1 Diabetes (T1D)

Condition: Diabetes
Investigator: Jacqueline Lonier, MD
Status: Currently Recruiting
The purpose of this study is testing two different Janus kinase (JAK) inhibitors, Abrocitinib and Ritlecitinib, to see if either or both can preserve insulin production in people recently diagnosed with type 1 diabetes (T1D). Researchers believe JAK inhibitors may be able to calm the immune system's attack on insulin producing beta cells in the…
Read More

PREvention of CardIovascular and Diabetic Kidney Disease in Type 2 Diabetes (PRECIDENTD)

Condition: Diabetes
Investigator: Jacqueline Lonier, MD
Status: Currently Recruiting
In PRECIDENTD, we hope to learn which diabetes medications work best to reduce the risk of heart and kidney disease in people with type 2 diabetes. People with type 2 diabetes are twice as likely to have heart disease or a stroke compared to someone who does not have diabetes, and they are likely to have heart disease or stroke at a younger age. People with…
Read More

Exploring Women of Color's Experiences After Gestational Diabetes (APPLE Cohort)

Condition: Diabetes
Investigator: Teresa Janevic, PhD, MPH
Status: Currently Recruiting
We are looking for people who gave birth in NYC between 2009-2015 and had gestational diabetes during their pregnancy. You will receive a $75 gift card for completing a 1 hour interview with us!
Read More

Temporary Insulin Resistance

Condition: Diabetes
Investigator: Joshua Cook, MD, PhD
Status: Currently Recruiting
We are recruiting volunteers, aged 18-70, for a research study on the buildup of excessive liver fat ("fatty liver disease") in people with or at risk for type 2 diabetes because their bodies are resistant to the actions of the blood sugar-lowering hormone, insulin. To do this, we seek to temporarily induce or accentuate insulin resistance in 14…
Read More

Chatbot for Nutritional Coaching and Diabetes Self-Management

Condition: Diabetes
Investigator: Lena Mamykina, PhD
Status: Currently Recruiting
Seeking participants for a study about how individuals prefer to receive nutrition recommendations to support health management and preferences for visualizing health data. Participants will be invited to complete a 60-minute session to answer questionnaires and evaluate different styles of nutrition recommendations. Alternatively, they will complete one 60…
Read More

Study of PF-07799544 in Patients with Solid Brain Tumors

Condition: Cancer / Brain Cancer
Investigator: Aya Haggiagi, MD
Status: Currently Recruiting
The purpose of this study is to learn about the safety (the impact of the study drug on your body) and the effects of study drug PF-07799544 for specific types of cancer on the body and to find the best dose for treating certain cancers. For BRAF (B-raf proto-oncogene serine/threonine kinase) mutated solid tumors, PF-07799544 may be combined with…
Read More

Study of ONC201 After Radiation in Patients with Glioma

Condition: Cancer / Brain Cancer
Investigator: Aya Haggiagi, MD
Status: Currently Recruiting
The purpose of this study is to see if ONC201 is effective in treating participants with glioma when given following radiation therapy, how safe and tolerable ONC201 as compared to using placebo (a capsule that looks like ONC201 but does not contain any active drug), and to see how well ONC201 can improve quality of life and brain functioning in patients…
Read More

Study of Tirabrutinib in Patients with Primary Central Nervous System Lymphoma (PCNSL)

Condition: Cancer / Brain Cancer
Investigator: Fabio Iwamoto, MD
Status: Currently Recruiting
The purpose of this study is to learn the effects of the investigational new drug, tirabrutinib, when given for the treatment of PCNSL. Investigational new drug means a drug that has not been approved as a marketed product (that is, available to be prescribed or sold) by the United States (US) Food and Drug Administration (FDA). Tirabrutinib acts by…
Read More

Lowering Insulin Levels in Fatty Liver Disease

Condition: Diabetes
Investigator: Joshua Cook, MD, PhD
Status: Currently Recruiting
We are conducting a research study on the effect of high insulin levels on the buildup of excessive liver fat ("fatty liver disease") in people at risk for type 2 diabetes. We are seeking adult volunteers, aged 18-70, who are overweight or obese with a body mass index of 27-50, and have been diagnosed with, or are at risk for, prediabetes.…
Read More

Pathway to Prevention of Type 1 Diabetes (T1D)

Condition: Diabetes
Investigator: Robin Goland, MD
Status: Currently Recruiting
A future without Type 1 Diabetes (T1D) starts with you. Get screened! Thanks in large part to T1D family members, we understand T1D as a disease that progresses in three distinct stages. This new definition in conjunction with TrialNet's Pathway to Prevention screening, allows for earlier detection and intervention.
Read More

Assess Treatments for Painful Diabetic Peripheral Neuropathy (PDPN)

Condition: Diabetes
Investigator: Thomas Brannagan, MD
Status: Closed
The purpose of this study is to Assess Treatments for Painful Diabetic Peripheral Neuropathy (PDPN). To be in this study you must have type II Diabetes Mellitus, PDPN, must be 18 years of age or older, and be able to stop taking some of your current pain medications including pills, creams, patches, marijuana, cannabidiol (CBD) oil, etc. Acetaminophen (…
Read More

Time Restricted EATing (TREAT) to Improve Cardiometabolic Health

Condition: Diabetes
Investigator: Blandine Laferrere, MD, PhD
Status: Closed
This is a randomized trial that will examine the effect of self-monitoring food intake via a smartphone application, and of a novel lifestyle intervention called time-restricted eating, on improvement of metabolic health in persons with overweight or obesity. The intervention lasts 12 months and will be administered via a smartphone app. Participants will…
Read More

Study of Radiosurgery & Nivolumab Alone or in Combination with Ipilimumab in Patients with Meningioma

Condition: Cancer / Brain Cancer
Investigator: Aya Haggiagi, MD
Status: Closed
Phase 2, Treatment A: This study is being done to see if your recurrent brain tumor may respond to a combination of radiosurgery (a type of radiation therapy) with nivolumab (a type of immunotherapy drug). A small number of patients have already received this combination previously and have tolerated the treatment relatively well. However, we would like to…
Read More

Study of Vismodegib and GSK2256098 to Shrink Tumors in Patients with Meningioma

Condition: Cancer / Brain Cancer
Investigator: Mary Welch, MD
Status: Closed
The purpose of this study is to test good and bad effects of these two different drugs against meningioma tumors with altered genes. Today, therapy for meningioma is the same for all patients and is not based on tumor genetic testing. This trial is trying to see if tumor genetic testing would be helpful at guiding treatment in patients with meningioma.…
Read More

Study in Patients With Diabetic Peripheral Neuropathic Pain (DPNP) (PROGRESS)

Condition: Diabetes
Investigator: Thomas Brannagan, MD
Status: Closed
To be in this study you must have Diabetic Peripheral Neuropathic (DPN) and be 18 years of age, inclusive, with the presence of bilateral pain in lower extremities due to DPN for at least 6 months prior to Screening and be in a stable regimen for the treatment of T1DM or T2DM for 3 months prior to Screening.
Read More

Study of REC-2282 in Patients with Progressive NF2 Mutated Meningiomas

Condition: Cancer / Brain Cancer
Investigator: Gurcharanjeet Kaur, MD
Status: Closed
The purpose of this study is to find out if REC-2282, an investigational new drug, is an effective and safe treatment in patients with progressive NF2 mutated meningiomas who have either NF2 disease-related meningioma or recurrent sporadic meningiomas that have NF2 mutation. Investigational new drug means a drug that has not been approved as a marketed…
Read More

Study of Safusidenib in Patients with Brain Glioma

Condition: Cancer / Brain Cancer
Investigator: Fabio Iwamoto, MD
Status: Closed
The purpose of this study is to see how safe and effective Safusidenib erbumine, the study drug, is in treating brain glioma and to find the recommended dose of the study drug for clinical studies. Safusidenib is not Food and Drug Administration (FDA) approved.
Read More

Study of Immune Therapy Drugs in Addition to the Usual Radiation Therapy for Patients with Brain Cancer (Glioblastoma)

Condition: Cancer / Brain Cancer
Investigator: Fabio Iwamoto, MD
Status: Closed
This study is being done to answer the following question: Can we shrink or stabilize your brain cancer by adding immune therapy drugs to the usual radiation therapy? We are doing this study because we want to find out if this approach is better or worse than the usual approach for your recurrent glioblastoma. The usual approach is defined as care most…
Read More

Study of Vaccine for Cytomegalovirus (CMV) in Patients with Brain Tumors

Condition: Cancer / Brain Cancer
Investigator: Andrew Lassman, MD
Status: Closed
The purpose of this study is to test the safety of a new vaccine, VBI-1901, and to know more about its ability to boost the response of the immune system against Cytomegalovirus. The reason for testing this vaccine in people with a brain tumor is that it might one day be used to boost the ability of the immune system to fight a certain type of brain tumor.…
Read More

Study of DSP-0390 in Patients with Recurrent High-Grade Glioma

Condition: Cancer / Brain Cancer
Investigator: Mary Welch, MD
Status: Closed
The purpose of this study is to evaluate how safe the investigational drug, DSP-0390, is at different doses and to identify a recommended dose that is safe for further study. Investigational means that the study drug is currently being tested and has not been approved for use alone or in combination with any drug by the U.S. Food and Drug Administration (…
Read More

ImmuneSense Study: IGV-001 in Newly Diagnosed Patients With Glioblastoma

Condition: Cancer / Brain Cancer
Investigator: Brian Gill, MD
Status: Closed
The purpose of this study is to see how safe the study medicine, IGV-001 plus standard of care (SOC), is and to compare IGV-001 with a placebo see if it works in slowing glioblastoma multiforme (GBM) tumor regrowth. SOC refers to the usual medicine(s) or procedures used to treat your cancer. A placebo looks like the study medicine but does not contain any…
Read More

Pancreatic Clamp Study: Lowering Insulin Levels During Temporary Insulin Resistance

Condition: Diabetes
Investigator: Joshua Cook, MD, PhD
Status: Closed
We're conducting a research study on how much insulin is needed to control blood sugar in people who are made temporarily resistant to insulin's effects. Insulin is the main hormone (chemical signal) that the body uses to lower the levels of sugar in the blood. We are interested in looking at insulin levels because we think that lowering insulin…
Read More

Investigating Problem Solving in Health Management

Condition: Diabetes
Investigator: Lena Mamykina, PhD
Status: Closed
We are conducting an academic study to understand how people solve problems related to health. In the study, participants will be presented with a hypothetical problem related to diabetes self-management and asked to use an online health application to explore information and propose a solution. We invite all participants between 18 and 65 years old, who…
Read More

Study of Pemigatinib in Patients with Glioblastoma (GBM) or Other CNS Tumors

Condition: Cancer / Brain Cancer
Investigator: Andrew Lassman, MD
Status: Closed
The purpose of this study is to evaluate and determine the efficacy of pemigatinib in participants with recurrent glioblastoma or other CNS tumors with changes in the FGFR1, FGFR2 or FGFR3 genes. Pemigatinib (also referred as INCB054828) is an investigational drug that is being studied by Incyte Corporation (Sponsor) for use in the treatment of previously…
Read More

Study of Tumor Treating Fields (Optune, 200kHz) with Radiation Therapy and Temozolomide for the Treatment of Newly Diagnosed Glioblastoma

Condition: Cancer / Brain Cancer
Investigator: Fabio Iwamoto, MD
Status: Closed
Optune is a portable, battery-operated device that generates TTFields at a specific frequency. The TTFields are delivered to the brain through 4 sticky bandages (which hold ceramic discs) that are placed on the surface of the head (called arrays). The arrays create electric forces within the brain that disrupt cancer cell division. Optunes TTFields are a…
Read More

Rest-Activity Rhythms and Blood Pressure

Condition: Diabetes
Investigator: Nour Makarem, PhD
Status: Closed
We are currently looking for men and non-pregnant women aged 40 years and above to participate in an at-home study on sleep and activity patterns in relation to blood pressure and blood glucose. Participants should not have critical/severe illness and should not be on dialysis or have a pacemaker or other implanted medical device. You must be willing to…
Read More

Temporary Insulin Resistance

Condition: Diabetes
Investigator: Joshua Cook, MD, PhD
Status: Closed
We are recruiting healthy volunteers, aged 18-65, for a research study on the buildup of excessive liver fat ("fatty liver disease") in people with or at risk for type 2 diabetes because their bodies are resistant to the actions of the blood sugar-lowering hormone, insulin. To do this, we seek to induce temporary insulin resistance in 10-12…
Read More

Study of New Drug (VX-548) in Patients with Painful Diabetic Peripheral Neuropathy

Condition: Diabetes
Investigator: Thomas Brannagan, MD
Status: Closed
The purpose of this study is to evaluate the safety, tolerability, and effectiveness of VX-548 in participants with pain due to Diabetic Peripheral Neuropathy (DPN). To be in this study you must have DPN and be 18 through 80 years of age, inclusive, with presence of bilateral pain in lower extremities due to DPN for at least 1 year.
Read More

Study of MTX110 in Combination with Gadolinium in Children & Young Adults with Newly Diagnosed Brain Cancer (Diffuse Midline Gliomas)

Condition: Cancer / Brain Cancer
Investigator: James Hinkley Garvin Jr, MD
Status: Closed
The purpose of this study is to find the best dose of a drug called MTX110 and a contrast agent called gadolinium that can be given safely in children with newly diagnosed diffuse midline gliomas, which is a kind of brain tumor. All patients enrolled in the study will receive infusion of MTX110 and Gadolinium delivered with a pump directly into the tumor…
Read More

Effect of Lowering Insulin Levels on Blood Sugar

Condition: Diabetes
Investigator: Joshua Cook, MD, PhD
Status: Closed
We are conducting a research study on how much insulin is needed to control blood sugar in people at risk for type 2 diabetes. We are seeking adult volunteers, aged 18-65, who are overweight or obese with a body mass index of 25.0-39.9 and have been diagnosed with or are at risk for prediabetes. Participants will undergo two pancreatic clamp procedures…
Read More

A Study of Selinexor in Combination With Standard of Care Therapy for Newly Diagnosed or Recurrent Glioblastoma

Condition: Cancer / Brain Cancer
Investigator: Andrew Lassman, MD
Status: Closed
The purpose of this research study is to see if the combination of medications approved for the treatment of glioblastoma, together with the study drug, selinexor (also known as XPOVIO), has any effects on your cancer. Selinexor works by trapping tumor suppressor proteins within the cell nucleus. This is expected to cause the cancer cells to die or stop…
Read More

Study of AG-881 in Participants With Residual or Recurrent Grade 2 Glioma With an IDH1 or IDH2 Mutation (INDIGO)

Condition: Cancer / Brain Cancer
Investigator: Andrew Lassman, MD
Status: Closed
This study is being done to evaluate the safety and usefulness of the study drug, AG-881, as compared to placebo (a medically inactive substance) in residual or recurrent non-enhancing Grade 2 glioma (a type of brain cancer) that has a mutation in the IDH1 or IDH2 metabolic enzyme (a substance produced by the body to assist in breaking down chemicals).…
Read More

Study of ONC201 in Adults With Recurrent H3 K27M-mutant Glioma

Condition: Cancer / Brain Cancer
Investigator: Andrew Lassman, MD
Status: Closed
The purpose of this research study is to test how safe and how well an investigational drug known as ONC201 works in treating high grade glioma (a type of brain cancer). The FDA (the U.S. Food and Drug Administration) has not approved ONC201 as a treatment for this condition.
Read More

Study for Patients with Anaplastic Astrocytoma That Progress/Recur After Radiation and Chemotherapy

Condition: Cancer / Brain Cancer
Investigator: Andrew Lassman, MD
Status: Closed
The purpose of this study is to measure how well and how safe eflornithine is in combination with lomustine, compared to lomustine taken alone, in treating patients whose anaplastic astrocytoma has come back after radiation and chemotherapy. Safety and how well you can tolerate the drug will be determined on the basis of physical exams, laboratory tests,…
Read More

Vitamin B6 to Strengthen Bones of Women with Type 2 Diabetes

Condition: Diabetes
Investigator: Mishaela Rubin, MD
Status: Closed
The purpose of this study is to determine if a specific form of Vitamin B known as pyridoxamine helps improve bone strength over one year in women (65 yrs old) with Type 2 Diabetes. We know that people with type 2 diabetes have the lower bone material strength and we suspect this is due to high levels of circulating sugars that build up over time (known as…
Read More

Denosumab to Strengthen Bones of Women with Diabetes

Condition: Diabetes
Investigator: Mishaela Rubin, MD
Status: Closed
The purpose of this research study is to learn more about bone strength in women with type 2 diabetes, and to find out whether an experimental drug called Denosumab may help preserve bone strength. Type 2 Diabetes Mellitus (T2DM) has become one of the most important diseases of our time. Recent research shows that diabetes has negative effects on bones and…
Read More

Phone Interview for Latinas and Black Women with Type 2 Diabetes (Ages 18-40)

Condition: Diabetes
Investigator: Maureen George, PhD, RN, AE-C, FAAN
Status: Closed
The purpose of this study is to find out how Black and Latina women with type 2 diabetes prefer to learn about getting healthy before pregnancy. Participation will involve a conversation for 1-2 hours. We will ask questions and get your thoughts on your health, your diabetes, pregnancy, and birth control. We have prepared some questions, but will be…
Read More
This website uses cookies as well as similar tools and technologies to understand visitors’ experiences. By continuing to use this website, you consent to Columbia University’s usage of cookies and similar technologies, in accordance with the Columbia University Website Cookie Notice.
I AGREE
COMPLIANCE
Compliance Hotline Compliance Program
RESOURCES
Contact RecruitMe Terms of Use Privacy Policy ©2025 Columbia University
SCHOOLS
Vagelos College of Physicians and Surgeons Mailman School of Public Health School of Nursing College of Dental Medicine Graduate School of Arts and Science