A Dose-Finding Study of AG-348 in Sickle Cell Disease

NCT04000165 · Status: COMPLETED · Phase: EARLY_PHASE1 · Type: INTERVENTIONAL · Enrollment: 17

Last updated 2022-07-12

Study results available
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Summary

Background:

Sickle Cell Disease (SCD) is an inherited blood disorder. People with SCD have abnormal hemoglobin in their red blood cells. Researchers are investigating the safety and efficacy of an investigational medicine called AG-348 (mitapivat sulfate) to determine if it will help people with SCD.

Objective:

To test the tolerability and safety of AG-348 in people with SCD.

Eligibility:

People ages 18 and older with SCD.

Design:

Participants will have 8 visits over approximately 14 weeks. At the first visit participants will be screened with a medical history, a physical exam, blood and urine testing, and an EKG. During the following 5 visits, participants will stay at the clinic for 1 night each. Participants will take study drug in increasing doses up to visit 6, after which the drug will be tapered off. All visits will include physical exam, blood, and urine tests. The last visit will occur 4 weeks after stopping the drug. Participants will provide DNA from the blood samples they provide. The DNA will be tested for an inherited gene that can cause differences in response to the study drug. Researchers may also test other genes to see if they can find any genes that interact with SCD.

Conditions

Interventions

DRUG

AG-348

This is a nonrandomized, intra-patient dose escalating clinical study. AG-348 will be administered starting at 5 mg twice a day, increasing to 20 mg twice a day, to maximum 50 mg or 100 mg twice a day. Dosing period is every 2 weeks at each dose level. Dose taper will start on Day 42 (50 mg) or Day 56 (100 mg) with dose reduced over 12 to 15 days.

Sponsors & Collaborators

  • National Heart, Lung, and Blood Institute (NHLBI)

    collaborator NIH
  • Agios Pharmaceuticals, Inc.

    collaborator INDUSTRY
  • National Institutes of Health Clinical Center (CC)

    lead NIH

Principal Investigators

  • Swee Lay Thein, M.D. · National Heart, Lung, and Blood Institute (NHLBI)

Study Design

Allocation
NA
Purpose
BASIC_SCIENCE
Masking
NONE
Model
SEQUENTIAL

Eligibility

Min Age
18 Years
Max Age
70 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2019-07-11
Primary Completion
2021-06-21
Completion
2021-06-21
FDA Drug
Yes

Countries

  • United States

Study Locations

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Entities

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04000165 on ClinicalTrials.gov