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Megestrol acetate

Generic Name
Megestrol acetate
Brand Names
Megace
Drug Type
Small Molecule
Chemical Formula
C24H32O4
CAS Number
595-33-5
Unique Ingredient Identifier
TJ2M0FR8ES

Overview

17-Hydroxy-6-methylpregna-3,6-diene-3,20-dione. A progestational hormone used most commonly as the acetate ester. As the acetate, it is more potent than progesterone both as a progestagen and as an ovulation inhibitor. It has also been used in the palliative treatment of breast cancer.

Background

17-Hydroxy-6-methylpregna-3,6-diene-3,20-dione. A progestational hormone used most commonly as the acetate ester. As the acetate, it is more potent than progesterone both as a progestagen and as an ovulation inhibitor. It has also been used in the palliative treatment of breast cancer.

Indication

For the treatment of anorexia, cachexia, or an unexplained, significant weight loss in patients with a diagnosis of acquired immunodeficiency syndrome (AIDS). Also used for the palliative management of recurrent, inoperable, or metastatic breast cancer, endometrial cancer, and prostate cancer in Canada and some other countries.

Associated Conditions

  • Anorexia
  • Cachexia
  • Inoperable Carcinoma of Breast
  • Inoperable Endometrial Carcinoma
  • Metastatic Breast Carcinoma
  • Recurrent Breast Carcinoma
  • Recurrent Endometrial Carcinoma
  • Significant, Unexplained Weight Loss
  • Metastatic Endometrial carcinoma

Clinical Trials

Title
Posted
Study ID
Phase
Status
Sponsor
2025/05/31
Phase 3
Not yet recruiting
Sixth Affiliated Hospital, Sun Yat-sen University
2022/09/14
Phase 1
Active, not recruiting
2022/08/08
Phase 2
UNKNOWN
KK Women's and Children's Hospital
2022/05/18
Phase 2
UNKNOWN
Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
2022/04/18
Phase 1
Terminated
2022/02/24
Phase 2
Recruiting
Leiden University Medical Center
2021/06/25
Phase 3
Recruiting
2021/05/21
Phase 3
Withdrawn
2020/10/29
Phase 2
Terminated
2020/10/06
Phase 2
Recruiting

FDA Drug Approvals

Approved Product
Manufacturer
NDC Code
Route
Strength
Effective Date
PINNACLE PHARMA LLC
81646-120
ORAL
40 mg in 1 mL
7/8/2021
McKesson Corporation dba SKY Packaging
63739-549
ORAL
400 mg in 10 mL
12/18/2023
State of Florida DOH Central Pharmacy
53808-0614
ORAL
40 mg in 1 1
6/7/2010
Par Pharmaceutical, Inc.
49884-290
ORAL
40 mg in 1 1
5/3/2022
ATLANTIC BIOLOGICALS CORP.
17856-0907
ORAL
40 mg in 1 mL
1/18/2021
Teva Pharmaceuticals USA, Inc.
0555-0607
ORAL
40 mg in 1 1
5/31/2016
Atlantic Biologicals Corps
17856-0949
ORAL
125 mg in 1 mL
3/18/2014
Teva Pharmaceuticals USA, Inc.
0555-0606
ORAL
20 mg in 1 1
5/31/2016
Morton Grove Pharmaceuticals, Inc.
60432-126
ORAL
40 mg in 1 mL
6/10/2020
Golden State Medical Supply, Inc.
60429-433
ORAL
40 mg in 1 1
8/15/2023

EMA Drug Approvals

Approved Product
Authorization Holder
Status
Issued Date
No EMA approvals found for this drug.

HSA Drug Approvals

Approved Product
Manufacturer
Approval Number
Dosage Form
Strength
Approval Date
APO-MEGESTROL TABLET 40 mg
SIN10156P
TABLET
40 mg
10/5/1998
APO-MEGESTROL TABLET 160 mg
SIN10157P
TABLET
160 mg
10/5/1998

NMPA Drug Approvals

Approved Product
Company
Approval Number
Drug Type
Dosage Form
Approval Date
Megestrol Acetate Soft Capsules
国药准字H20020242
化学药品
胶囊剂
4/15/2020
Megestrol Acetate Oral Suspension
安成国际药业股份有限公司
国药准字HC20210002
化学药品
口服混悬剂
5/8/2021
Megestrol Acetate Capsules
国药准字H19991017
化学药品
胶囊剂
6/5/2020
Megestrol Acetate Capsules
国药准字H19991016
化学药品
胶囊剂
6/5/2020
Megestrol Acetate Capsules
国药准字H20010553
化学药品
胶囊剂
7/14/2020
Megestrol Acetate Dispersible Tablets
国药准字H20010419
化学药品
片剂(分散)
6/5/2020
Megestrol Acetate Dispersible Tablets
国药准字H20123089
化学药品
片剂
9/13/2021
Megestrol Acetate Dispersible Tablets
国药准字H20073644
化学药品
片剂
2/21/2020
Megestrol Acetate Dispersible Tablets
国药准字H20040001
化学药品
片剂
7/2/2020
Megestrol Acetate Dispersible Tablets
国药准字H20010074
化学药品
片剂
4/13/2020

PPB Drug Approvals

Approved Product
Registration No.
Company
Licence No.
Strength
Registration Date
MEGESIA TABLETS 40MG
N/A
N/A
N/A
4/14/2025

TGA Drug Approvals

Approved Product
ARTG ID
Sponsor
Registration Type
Status
Registration Date
No TGA approvals found for this drug.
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