Last update 06 Aug 2026

TQC-3721

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
TQC 3721, TQC-3721, TQC3721
Action
inhibitors
Mechanism
PDE3 inhibitors(Phosphodiesterase 3 inhibitors), PDE4 inhibitors(Phosphodieterase 4 inhibitors)
Therapeutic Areas
Inactive Indication
Inactive Organization-
Drug Highest PhasePhase 3
First Approval Date-
RegulationBreakthrough Therapy (China)
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R&D Status

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IndicationHighest PhaseCountry/LocationOrganizationDate
Moderate chronic obstructive pulmonary diseasePhase 3
China
06 Aug 2025
Severe chronic obstructive pulmonary diseasePhase 3
China
06 Aug 2025
AsthmaPhase 1
China
18 Oct 2021
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
240
TQC3721 (3mg)
ydvgejclqg(vhzlfxawmp) = gwgkqvpdig mjuxpjawvc (eikiakbxsa, 144 - 244)
Positive
27 Sep 2025
TQC3721 (6mg)
ydvgejclqg(vhzlfxawmp) = xtryywgmhv mjuxpjawvc (eikiakbxsa, 196 - 286)
Phase 1
-
64
zhrqzzkenk(cybexbypcw) = 1 subject experienced a grade 2 AE of anemia cghzimbphw (tigqhdanom )
Positive
07 Sep 2024
Phase 2
75
ivisddlyqq(huchesizvj) = iycamjxpqt vspmfzgqon (vjsuctvylg )
Positive
01 Jan 2024
安慰剂
-
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Regulation

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