FDA Orange Book

Generic for Phoslo

Phoslo contains calcium acetate. Orange Book status for every listed strength, the approved generic makers, and the listed patents and exclusivities.

Source: FDA Orange Book data file dated 2026-10-09. Publisher page

Yes. The generic name for Phoslo is calcium acetate. 8 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB. Generics match 2 of the 3 Phoslo products the Orange Book lists.

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Phoslo products in the Orange Book

Phoslo products and approved generics
Form and routeStrengthBrand statusBrand TEActive genericsGeneric TE codes
capsule, oral333.5MGDiscontinuedNone0None
capsule, oral667MGDiscontinuedNone7AB
tablet, oral667MGDiscontinuedNone2AB

NDA 021160, 019976, held by FRESENIUS MEDICAL CARE RENAL THERAPIES GROUP LLC. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.

Approved generic calcium acetate

Approved generic versions of Phoslo
CompanyANDATE codeApprovedStrengths
HIKMA PHARMACEUTICALS USA INC077728AB (A-rated, therapeutically equivalent)February 26, 2008667MG
CHARTWELL RX SCIENCES LLC091312AB (A-rated, therapeutically equivalent)June 1, 2012667MG
CHARTWELL MOLECULAR HOLDINGS LLC202420AB (A-rated, therapeutically equivalent)February 5, 2013667MG
INVAGEN PHARMACEUTICALS INC203135AB (A-rated, therapeutically equivalent)February 7, 2013667MG
HERITAGE PHARMACEUTICALS INC202885AB (A-rated, therapeutically equivalent)January 22, 2015667MG
HERITAGE PHARMACEUTICALS INC202315AB (A-rated, therapeutically equivalent)June 29, 2015667MG
MPP PHARMA LLC203179AB (A-rated, therapeutically equivalent)October 26, 2015667MG
COHANCE LIFESCIENCES LTD211038AB (A-rated, therapeutically equivalent)February 21, 2020667MG
ADAPTIS PHARMA PRIVATE LTD217205AB (A-rated, therapeutically equivalent)March 13, 2023667MG

Questions

Is there a generic for Phoslo?

Yes. The generic name for Phoslo is calcium acetate. 8 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB. Generics match 2 of the 3 Phoslo products the Orange Book lists.

What is the generic name for Phoslo?

The active ingredient in Phoslo is calcium acetate, per the FDA Orange Book.

What does a therapeutic equivalence code mean?

In the Orange Book, codes that start with A (such as AB) mean FDA considers the product therapeutically equivalent to the reference drug. Codes that start with B mean FDA does not, at this time, consider the product therapeutically equivalent.

More on Phoslo and Calcium Acetate

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