SymbolCYCN
NameCYCLERION THERAPEUTICS, INC.
SectorHEALTH CARE
RegionNorth America
IndustryBiotechnology: Pharmaceutical Preparations
Address245 FIRST STREET,18TH FLOOR, CAMBRIDGE, Massachusetts, 02142, United States
Telephone+1 857 327-8778
Fax
Email
Websitehttps://www.cyclerion.com
IncorporationUNDEFINED
Incorporated On
Employees
Fiscal Year
Public Since
ExchangesNASDAQ
Auditor
Audit StatusNOT PROVIDED
Reporting Status
CIK0001755237
Description

Cyclerion Therapeutics Inc is a clinical-stage biopharmaceutical company harnessing the power of soluble guanylate cyclase (sGC) pharmacology to discover, develop and commercialize breakthrough treatments for serious and orphan diseases. Its focus is on enabling the full therapeutic potential of next-generation sGC stimulators. Its pipeline products include Olinciguat, Praliciguat, and others.

Additional info from NASDAQ:
Cyclerion Therapeutics Inc is a clinical-stage biopharmaceutical company harnessing the power of soluble guanylate cyclase (sGC) pharmacology to discover, develop and commercialize breakthrough treatments for serious and orphan diseases. Its focus is on enabling the full therapeutic potential of next-generation sGC stimulators. Its pipeline products include Olinciguat, Praliciguat, and others.

2026-04-02 18:45

SHAREHOLDER ALERT: The M&A Class Action Firm Announces An Investigation of Cyclerion Therapeutics, Inc. (NASDAQ: CYCN)

Read more
2026-04-02 05:08

CYCN Stock Alert: Halper Sadeh LLC is Investigating Whether Cyclerion Therapeutics, Inc. is Obtaining a Fair Price for its Shareholders

Read more
2026-04-01 20:53

Shareholder Alert: Ademi LLP investigates whether Cyclerion Therapeutics Inc. is obtaining a Fair Price for Public Shareholders

Read more
2026-04-01 11:05

Cyclerion Therapeutics and Korsana Biosciences Announce Merger Agreement

Read more
2026-02-17 12:21

(10% Negative) Cyclerion Therapeutics Inc. (CYCN) Announces Delay in study Development Timeline Due to Patient Enrollment Issues, Regulatory Process, Safety Review, Efficacy Assessment

Read more
2026-02-17 12:00

Cyclerion Therapeutics Announces Progress Toward CYC-126 Phase 2 Proof-of-Concept Study with FDA Feedback and Formation of Clinical Advisory Board

Read more
2026-01-06 13:33

(10% Negative) CYCLERION THERAPEUTICS, INC. (CYCN) Announces Delay in agents Development Timeline Due to Patient Enrollment Issues, Regulatory Process

Read more
2026-01-05 21:01

Cyclerion Therapeutics Announces Strategic Agreement with Medsteer and Progress Toward Initiating Phase 2 Proof-of-Concept Study for CYC-126 in Treatment-Resistant Depression

Read more
2025-12-01 22:13

(99% Neutral) CYCLERION THERAPEUTICS, INC. (CYCN) Announces Clinical Development Update

Read more
2025-11-12 21:31

Cyclerion Therapeutics Inc. (CYCN) Files Form 10-Q

Read more
Trial ID Title Phase Indication Status Start Date Completion Date Source
NCT03892499 A Trial to Evaluate the Effect of Itraconazole (ITZ), a CYP3A4 Inhibitor, on th… Phase1 Healthy Completed 2019-05-03 2019-07-03 ClinicalTrials.gov
NCT03818295 A Trial to Study the Absorption, Metabolism, and Excretion of [14C]-Praliciguat… Phase1 Healthy Volunteers Completed 2019-03-01 2019-04-24 ClinicalTrials.gov
NCT03795519 A Trial to Study the Absorption, Metabolism, and Excretion of [14C]-Olinciguat … Phase1 Healthy Volunteers Completed 2019-01-17 2019-02-27 ClinicalTrials.gov
NCT03499106 A Trial to Evaluate the Effect of Itraconazole (ITZ), a CYP3A4 Inhibitor, on th… Phase1 Healthy Completed 2018-04-12 2018-07-06 ClinicalTrials.gov
NCT03285178 A Study of the Effect of IW-1701 (Olinciguat), a Stimulator of Soluble Guanylat… Phase2 Sickle Cell Disease Completed 2017-12-22 2020-07-22 ClinicalTrials.gov
NCT03254485 A Study of the Effect of IW-1973 on the Exercise Capacity of Patients With Hear… Phase2 Heart Failure With Preserved Ejection Fraction Completed 2017-11-07 2019-08-19 ClinicalTrials.gov
NCT03217591 A Study to Evaluate the Soluble Guanylate Cyclase (sGC) Stimulator IW-1973 in D… Phase2 Type 2 Diabetes Mellitus With Diabetic Nephropathy Completed 2017-08-01 2019-08-20 ClinicalTrials.gov
NCT02931565 Study of IW-1701, A Stimulator of Soluble Guanylate Cyclase (sGC), in Patients … Phase2 Achalasia Terminated 2017-04-06 2018-05-01 ClinicalTrials.gov
NCT03091920 Trial of IW-1973, A Stimulator of Soluble Guanylate Cyclase (sGC) in Patients W… Phase2 Diabetes Mellitus, Type 2 Completed 2017-02-28 2017-08-03 ClinicalTrials.gov
NCT02906579 A Phase 2 Trial of IW-1973, A Stimulator of Soluble Guanylate Cyclase (sGC), in… Phase2 Diabetes Mellitus, Type 2 Completed 2016-09-01 2017-03-17 ClinicalTrials.gov
NCT02792998 A Trial of IW-1701, A Stimulator of Soluble Guanylate Cyclase (sGC), in Healthy… Phase1 Healthy Completed 2016-05-01 2016-11-01 ClinicalTrials.gov
NCT02616861 Trial of IW-1973 (A Stimulator of Soluble Guanylate Cyclase (sGC)) in Healthy V… Phase1 Healthy Completed 2015-11-01 2016-06-01 ClinicalTrials.gov
NCT02572349 Trial of IW-1701 (A Stimulator of Soluble Guanylate Cyclase (sGC)) in Healthy V… Phase1 Healthy Completed 2015-10-01 2015-12-01 ClinicalTrials.gov
Total clinical trials: 13
Product Name Type Development Stage Therapeutic Area Study Status Trial ID
[14C]-olinciguat Other Phase PHASE1 Healthy Volunteers COMPLETED NCT03795519
Itraconazole Other Phase PHASE1 Healthy COMPLETED NCT03499106
IW-1973 Other Phase PHASE1 Healthy COMPLETED NCT03499106
Placebo Other Phase PHASE1 Healthy COMPLETED NCT02792998
IW-1701 Other Phase PHASE1 Healthy COMPLETED NCT02792998
Matching Placebo Tablet Other Phase PHASE1 Healthy COMPLETED NCT02616861
IW-1973 Other Phase PHASE1 Healthy COMPLETED NCT02616861
Matching Placebo Other Phase PHASE1 Healthy COMPLETED NCT02572349
IW-1701 Other Phase PHASE1 Healthy COMPLETED NCT02572349
[14C]-praliciguat Other Phase PHASE1 Healthy Volunteers COMPLETED NCT03818295
Itraconazole Other Phase PHASE1 Healthy COMPLETED NCT03892499
Olinciguat Other Phase PHASE1 Healthy COMPLETED NCT03892499
IW-1973 Other Phase PHASE2 Diabetes Mellitus, Type 2 COMPLETED NCT02906579
Matching Placebo Other Phase PHASE2 Diabetes Mellitus, Type 2 COMPLETED NCT02906579
Placebo Other Phase PHASE2 Diabetes Mellitus, Type 2 COMPLETED NCT03091920
IW-1973 Other Phase PHASE2 Diabetes Mellitus, Type 2 COMPLETED NCT03091920
Matching Placebo Other Phase PHASE2 Achalasia TERMINATED NCT02931565
Olinciguat Other Phase PHASE2 Achalasia TERMINATED NCT02931565
Placebo Oral Tablet Other Phase PHASE2 Heart Failure With Preserved Ejection Fraction COMPLETED NCT03254485
IW-1973 Other Phase PHASE2 Heart Failure With Preserved Ejection Fraction COMPLETED NCT03254485
Placebo Other Phase PHASE2 Type 2 Diabetes Mellitus With Diabetic Nephropathy COMPLETED NCT03217591
IW-1973 Other Phase PHASE2 Type 2 Diabetes Mellitus With Diabetic Nephropathy COMPLETED NCT03217591
Placebo Other Phase PHASE2 Sickle Cell Disease COMPLETED NCT03285178
IW-1701 Other Phase PHASE2 Sickle Cell Disease COMPLETED NCT03285178
Total products: 24