Atenolol; chlorthalidone - Generic Drug Details

What are the generic drug sources for atenolol; chlorthalidone and what is the scope of patent protection?

Atenolol; chlorthalidone is the generic ingredient in three branded drugs marketed by Aurobindo Pharma Usa, Nostrum Labs, Novitium Pharma, Pliva, Sun Pharm Industries, Twi Pharms, Unichem, Watson Labs, and Zydus Pharms, and is included in ten NDAs. Additional information is available in the individual branded drug profile pages.

Eleven suppliers are listed for this compound.

Summary for atenolol; chlorthalidone

US Patents:	0
Tradenames:	3
Applicants:	9
NDAs:	10
Finished Product Suppliers / Packagers:	11
Clinical Trials:	4
DailyMed Link:	atenolol; chlorthalidone at DailyMed

Recent Clinical Trials for atenolol; chlorthalidone

Identify potential brand extensions & 505(b)(2) entrants

Sponsor	Phase
Federico II University	Phase 4
Agenzia Italiana del Farmaco	Phase 4
US Department of Veterans Affairs

See all atenolol; chlorthalidone clinical trials

Pharmacology for atenolol; chlorthalidone

Drug Class	Thiazide-like Diuretic beta-Adrenergic Blocker
Mechanism of Action	Adrenergic beta-Antagonists
Physiological Effect	Increased Diuresis

US Patents and Regulatory Information for atenolol; chlorthalidone

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Aurobindo Pharma Usa	ATENOLOL AND CHLORTHALIDONE	atenolol; chlorthalidone	TABLET;ORAL	074203-001	Oct 31, 1993		DISCN	No	No
Twi Pharms	ATENOLOL AND CHLORTHALIDONE	atenolol; chlorthalidone	TABLET;ORAL	072302-001	May 31, 1990	AB	RX	No	No
Twi Pharms	TENORETIC 50	atenolol; chlorthalidone	TABLET;ORAL	018760-002	Jun 8, 1984	AB	RX	Yes	No
Unichem	ATENOLOL AND CHLORTHALIDONE	atenolol; chlorthalidone	TABLET;ORAL	213302-002	Nov 25, 2020	AB	RX	No	No
Watson Labs	ATENOLOL AND CHLORTHALIDONE	atenolol; chlorthalidone	TABLET;ORAL	073665-001	Jul 2, 1992	AB	RX	No	No
Zydus Pharms	ATENOLOL AND CHLORTHALIDONE	atenolol; chlorthalidone	TABLET;ORAL	210028-002	Mar 8, 2019	AB	RX	No	No
Novitium Pharma	ATENOLOL AND CHLORTHALIDONE	atenolol; chlorthalidone	TABLET;ORAL	215560-002	Oct 25, 2021	AB	RX	No	No

Expired US Patents for atenolol; chlorthalidone

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Twi Pharms	TENORETIC 100	atenolol; chlorthalidone	TABLET;ORAL	018760-001	Jun 8, 1984
Twi Pharms	TENORETIC 50	atenolol; chlorthalidone	TABLET;ORAL	018760-002	Jun 8, 1984
Twi Pharms	TENORETIC 100	atenolol; chlorthalidone	TABLET;ORAL	018760-001	Jun 8, 1984
Twi Pharms	TENORETIC 50	atenolol; chlorthalidone	TABLET;ORAL	018760-002	Jun 8, 1984
Twi Pharms	TENORETIC 50	atenolol; chlorthalidone	TABLET;ORAL	018760-002	Jun 8, 1984
Twi Pharms	TENORETIC 100	atenolol; chlorthalidone	TABLET;ORAL	018760-001	Jun 8, 1984