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Agios Pharmaceuticals

Agios Pharmaceuticals works on 6 rare diseases tracked on Trial Friend, including Myelodysplastic Syndromes, Phenylketonuria, Polycythemia Vera and 3 more, with 13 active clinical trials (4 recruiting) and 2 FDA-approved rare disease drugs.

Agios is a Cambridge, Massachusetts biotech that reinvented itself around a single molecule. The company made its name in cancer metabolism, then sold its entire oncology business in 2021 to bet everything on rare genetic diseases of the red blood cell, with a pill called mitapivat at the center. Mitapivat activates pyruvate kinase, an enzyme red blood cells use to make energy; when the enzyme runs better, fragile red cells live longer and anemia improves.

That one mechanism has now produced two approved medicines. Pyrukynd (mitapivat) won FDA approval in 2022 for pyruvate kinase deficiency, and in December 2025 the same molecule was approved as Aqvesme for anemia in adults with alpha- or beta-thalassemia, reaching U.S. patients in early 2026. The company's biggest swing is sickle cell disease: in the Phase 3 RISE UP study, mitapivat met its hemoglobin-response endpoint but its reduction in pain crises did not reach statistical significance, so on May 12, 2026 Agios applied for accelerated approval based on the hemoglobin benefit. In July 2026 the FDA accepted the application with priority review for people 16 and older, and its decision is due November 1, 2026.

Agios decided not to advance tebapivat, a next-generation pyruvate kinase activator, after Phase 2 results in lower-risk myelodysplastic syndromes on May 29, 2026 and in sickle cell disease on July 21, 2026. Its earlier pipeline includes AG-181 for phenylketonuria, now in a Phase 1b trial in adults. For patients with rare anemias, Agios represents something unusual: a company betting that fixing red-cell energy metabolism can treat a whole family of diseases with one oral mechanism.

Type
Rare Disease Specialist
Ticker
AGIO
Headquarters
Cambridge, United States
Founded
2008
Website
agios.com
13
Active Rare Disease Trials
2
Approved Rare Disease Drugs
6
Rare Diseases in Portfolio
18
Years Active
FDA decision ahead
The FDA is due to decide on Mitapivat for Sickle cell disease by November 1, 2026.
Email me the day the FDA decides →See all upcoming rare disease FDA decisions →

Agios Pharmaceuticals Drug Pipeline

Agios Pharmaceuticals has 13 active clinical trials across 4 development stages, with 4 currently recruiting participants. Clinical trials advance through phases: Phase 1 tests safety in a small group, Phase 2 evaluates effectiveness and side effects, Phase 3 confirms benefit in a larger population, and Phase 4 monitors long-term safety after FDA approval.

Note: This pipeline counts the active and recruiting trials listed on this page, from ClinicalTrials.gov. For companies that work outside rare disease, we list only trials for rare diseases we track, so the company's full pipeline may be larger.

Understand Agios Pharmaceuticals's pipeline
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1
Early Phase / Phase 11 trial
Recruiting
3
Phase 23 trials
Active Not Recruiting
Active Not Recruiting
Active Not Recruiting
8
Phase 38 trials
Transfusion-dependent Alpha-Thalassemia+1 more
Recruiting
Non-Transfusion-dependent Alpha-Thalassemia+1 more
Recruiting
Non-Transfusion-dependent Alpha-Thalassemia+1 more
Active Not Recruiting
Transfusion-dependent Alpha-Thalassemia+1 more
Active Not Recruiting
1
Other1 trial
Active Not Recruiting

Agios Pharmaceuticals Clinical Trials (13)

Active and recruiting clinical trials sponsored by Agios Pharmaceuticals, sourced live from ClinicalTrials.gov. Each trial card shows the study phase, current recruitment status, conditions under investigation, study locations, eligibility criteria, and a direct link to the full ClinicalTrials.gov record. You can also download a one-page PDF summary to share with your doctor.

Note: Recruitment statuses on ClinicalTrials.gov may not immediately reflect recent FDA decisions, sponsor announcements, or enrollment changes. Always confirm a trial's current status directly with the study coordinator.

Ask about Agios Pharmaceuticals's trials
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RECRUITINGPHASE3Recently updatedNCT07506863

A Study to Investigate the Efficacy, Pharmacokinetics, and Safety of Mitapivat in Pediatric Participants With Transfusion-Dependent Alpha- or Beta-Thalassemia (α- or β-TDT)

Intervention: Mitapivat Matched Placebo, Mitapivat

Transfusion-dependent Alpha-ThalassemiaTransfusion-dependent Beta-Thalassemia

The primary objective of this study is to compare the effect of mitapivat versus placebo on transfusion burden in pediatric participants with α- or β-transfusion-dependent thalassemia.

Ages 1 Year - 17 Years4 locations
View full study
RECRUITINGPHASE3Recently updatedNCT07656415

A Study to Investigate the Effect of Mitapivat on Transfusion Burden in Subjects With Sickle Cell Disease (SCD)

Intervention: Mitapivat Matched Placebo, Mitapivat

The primary objective of this study is to determine the effect of mitapivat versus placebo on the need for transfusions in subjects with SCD.

Ages 12 Years+3 locations
View full study
RECRUITINGPHASE3Recently updatedNCT07517133

A Study to Investigate the Efficacy, Pharmacokinetics, and Safety of Mitapivat in Pediatric Participants With α- or β-Non-Transfusion-Dependent Thalassemia

Intervention: Mitapivat, Placebo Matching Mitapivat

Non-Transfusion-dependent Alpha-ThalassemiaNon-Transfusion-dependent Beta-Thalassemia

The primary objective of this study is to compare the effect of mitapivat versus placebo on anemia in pediatric participants with alpha- or beta-non-transfusion-dependent thalassemia.

Ages 1 Year - 17 Years5 locations
View full study
RECRUITINGPHASE1Recently updatedNCT07241234

A Study to Evaluate Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of AG-181 in Subjects With Phenylketonuria

Intervention: AG-181

The primary purpose of this study is to assess the safety and tolerability of AG-181 in subjects with Phenylketonuria (PKU).

Ages 18 Years - 69 Years5 locations
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ACTIVE NOT RECRUITINGPHASE3Recently updatedNCT04770753

A Study Evaluating the Efficacy and Safety of Mitapivat in Participants With Non-Transfusion-Dependent Alpha- or Beta-Thalassemia (α- or β-NTDT)

Intervention: Placebo Matching Mitapivat, Mitapivat

Non-Transfusion-dependent Alpha-ThalassemiaNon-Transfusion-dependent Beta-Thalassemia

The primary purpose of this study was to compare the effect of mitapivat versus placebo on hemolytic anemia in participants with alpha- or beta-non-transfusion dependent thalassemia (NTDT).

Ages 18 Years+68 locations
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ACTIVE NOT RECRUITINGPHASE2Recently updatedNCT06924970

A Dose-Finding Study of Tebapivat to Assess Efficacy, and Safety in Participants With Sickle Cell Disease (SCD)

Intervention: Tebapivat, Tebapivat Matched Placebo

The main purpose of this study is to compare the effect of tebapivat versus placebo on anemia and to detect a dose-response for hemoglobin (Hb) response in participants with SCD.

Ages 16 Years+20 locations
View full study
ACTIVE NOT RECRUITINGPHASE3Recently updatedNCT04770779

A Study Evaluating the Efficacy and Safety of Mitapivat in Participants With Transfusion-Dependent Alpha- or Beta-Thalassemia (α- or β-TDT)

Intervention: Placebo Matching Mitapivat, Mitapivat

Transfusion-dependent Alpha-ThalassemiaTransfusion-dependent Beta-Thalassemia

The primary objective of this study was to compare the effect of mitapivat versus placebo on transfusion burden in participants with α- or β-transfusion-dependent thalassemia.

Ages 18 Years+75 locations
View full study
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Agios Pharmaceuticals FDA-Approved Drugs (2)

Medications developed or marketed by Agios Pharmaceuticals that have received U.S. Food and Drug Administration approval. Drug data is sourced from the openFDA database and includes brand names, generic names, approval dates, and matched rare disease indications. Where a drug treats a condition covered by Trial Friend, the disease name links directly to that disease page.

Drug NameBrand NameRare DiseasesApproval Date
MITAPIVAT
Pyruvate Kinase Activator [EPC]
AQVESME
oral
Feb 17, 2022
MITAPIVAT
Pyruvate Kinase Activator [EPC]
PYRUKYND
oral
—Feb 17, 2022

Agios Pharmaceuticals Trial Locations

Agios Pharmaceuticals clinical trials are running at 413 sites in 32 countries. Click any country to drill down by state, city, and individual research facility. Proximity to a trial site is one of the most important factors in deciding whether to participate.

United States
115▼
Italy
33▼
Spain
24▼
United Kingdom
23▼
France
21▼
Turkey (Türkiye)
19▼
Brazil
16▼
Malaysia
16▼
Germany
16▼
Thailand
15▼
Canada
14▼
Greece
13▼

Rare Disease Focus Areas (6)

Diseases targeted by Agios Pharmaceuticals's clinical trial and drug development programs

Myelodysplastic SyndromesBlood & Immune

Myelodysplastic syndromes are a group of blood cancers in which the bone marrow fails to produce enough healthy blood cells. Immature blood cells do not develop properly and either die in the bone mar...

Prevalence: 10,000 to 15,000 new cases annually in the U.S.; estimated 60,000 to 170,000 Americans living with MDS
PhenylketonuriaMetabolic & Lysosomal

Phenylketonuria is an inherited metabolic disorder caused by a missing enzyme that prevents the body from properly breaking down the amino acid phenylalanine. This causes a buildup that can damage the...

Prevalence: 1 in 10,000 to 15,000 newborns in the U.S.
Polycythemia VeraBlood & Immune

Polycythemia Vera is a myeloproliferative neoplasm in which bone marrow produces too many red blood cells, leading to thick blood that carries oxygen less effectively and increases clot risk. Most pat...

Prevalence: Approximately 44-57 cases per million people; median age of diagnosis is 65 years
Pyruvate Kinase DeficiencyBlood & Immune

Pyruvate kinase deficiency is an inherited red blood cell disorder in which a missing or weak enzyme leaves red cells short of energy, so they break down early and cause lifelong anemia, jaundice and ...

Prevalence: About 3.2 to 8.5 diagnosed people per million in Western populations, and possibly up to 51 per million counting people not yet diagnosed (Secrest et al. 2020, a review funded by Agios)
Sickle Cell DiseaseBlood & Immune

Sickle cell disease is an inherited blood disorder where hemoglobin polymerizes under low oxygen, causing red blood cells to become rigid, sickle-shaped, and prone to hemolysis and vaso-occlusion. Thi...

Prevalence: About 100,000 Americans with SCD; about 1 in 365 Black or African American births and 1 in 16,300 Hispanic American births
ThalassemiaBlood & Immune

Thalassemia is an inherited blood disorder where reduced or absent production of one type of hemoglobin chain causes severe anemia, organ damage from iron overload, and bone abnormalities. Severe form...

Prevalence: 1 in 100,000 people in the U.S.; higher in Mediterranean and Asian populations

Patient Resources

Organizations and resources related to Agios Pharmaceuticals's rare disease focus areas

Frequently Asked Questions About Agios Pharmaceuticals

Common questions about Agios Pharmaceuticals's rare disease programs, clinical trials, and treatments.