Amphastar Pharmaceuticals, Inc.

Pharmaceutical & medical device company payment data from CMS Open Payments.

Total Payments
$25.2M
Doctors Paid
1,443
Transactions
2,604
2024 Total
$1.0M

Payment Breakdown by Category

Research$25.1M (99.8%)
Food & Beverage$45,654 (0.2%)
Consulting$14,650 (0.1%)

Payments by Nature

Nature of Payment Amount Transactions Share
Unspecified $25.1M 194 99.8%
Food and Beverage $45,654 2,408 0.2%
Consulting Fee $14,650 2 0.1%

Payments by Type

Research
$25.1M
194 transactions
General
$60,304
2,410 transactions

Research Studies & Clinical Trials

Study Name Total Paid Doctors Records
Phamacodynamic (PD) Bronchodilatation Bioequivalence (BE) Study of Albuterol Sulfate HFA MDI 90 mcg/inhalation in Asthma Patients $4.1M 0 25
Pharmacodynamic (PD) Bronchodilatation Bioequivalence (BE) Study of Albuterol Sulfate HFA MDI 90 mcg/inhalation in Asthma Patients $4.0M 0 51
API-A007-BE-PK/API-F007-BE-PK1p5/API-F007-BE-PK3p2 $1.5M 0 3
A Randomized, Active-Controlled, Evaluator-Blinded, Crossover Study to Investigate the Pharmacokinetics (PK), Pharmacodynamics (PD), Safety, and Tolerability of Intranasal (IN) Epinephrine (E005) in Healthy Volunteers $1.4M 0 1
An Open-Label, Active-Controlled, Single Ascending Dose Study to Initially Investigate the Pharmacokinetics, Pharmacodynamics, Safety, and Tolerability of Intranasal (IN) Epinephrine (E005) in Healthy Volunteers $1.3M 0 1
Pharmacokinetics (PK) Bioequivalence (BE) Study of Ipratropium Bromide HFA MDI (A007) 21 mcg/inhalation versus ATROVENT HFA Inhalation Aerosol 21 mcg/inhalation in Healthy Adult Volunteers $1.3M 0 1
Pharmacokinetics Bioequivalence Study of Beclomethasone Dipropionate HFA MDI (Q001, 40 mcg/inhalation) versus QVAR Inhalation Aerosol (40 mcg/inhalation) and QVAR REDIHALER mcg/inhalation) in Healthy Adult Volunteers $1.2M 0 1
API-A007-BE-PD $1.1M 0 26
Pilot Bioequivalence (BE) Pharmacokinetics (PK) Study of Iron Sucrose Injection by Intravenous Infusion in Healthy Adult Volunteers $1.0M 0 3
API-A007-BE-PD/API-E005-CL-D1 $832,990 0 3
Pharmacokinetics Bioequivalence Study of Beclomethasone Dipropionate HFA MDI (Q001, 80 mcg/inhalation) versus QVAR Inhalation Aerosol (80 mcg/inhalation) in Healthy Adult Volunteers $767,421 0 1
Clinical Pharmacodynamic (PD) Bioequivalence (BE) Study of Ipratropium Bromide HFA MDI (A007) in Treatment for Chronic Obstructive Pulmonary Disease (COPD) $678,681 0 15
Bioequivalence (BE) Pharmacokinetics (PK) Study of Iron Sucrose Injection by Intravenous Infusion in Healthy Adult Volunteers $666,697 0 2
Pharmacokinetics (PK) Bioequivalence (BE) Study of Albuterol Sulfate HFA MDI 90 mcg/inhalation (A008) versus ProAir HFA Inhalation Aerosol 90 mcg/inhalation in Healthy Adult Volunteers $622,932 0 1
Pilot Clinical endpoints (CE) Bioequivalence (BE) study of Beclamethasone Dipropionate HFA MDI 40 mcg/inhalation versus QVAR Inhalation Aerosol 40 mcg/inhalation in asthma patients. A randomized double-dummy, placebo and active controlled, multiple-dose, 3-arm parallel study consisting of a 2 week run period followed by a 6 week treatment period $555,262 0 9
Pilot Clinical Pharmacodynamic (PD) Bioequivalence (BE) Study of Ipratropium Bromide HFA MDI (A007) in Treatment for Chronic Obstructive Pulmonary Disease (COPD) $437,902 0 14
Pilot Pharmacokinetics (PK) Bioequivalence (BE) Study of Ipratropium Bromide HFA MDI (internal code name A007) 21 mcg/inhalation versus ATROVENT HFA Inhalation Aerosol 21mcg/inhalation in Healthy Adult $376,796 0 1
Pharmacokinetic (PK) Study of Intranasal (IN) Naloxone HCl (N002) in Healthy Adult Volunteers: Influence of Runoff Volume on Partial AUC $302,158 0 1
Study of Drug Exposure in Systemic Circulation of Primatene Mist (0.25mg) by Oral Inhalation, versus Epinephrine Injection (0.30mg) by IM and ProAir (0.18mg) by Oral Inhalation in Healthy Individuals $266,022 0 1
Pilot Pharmacokinetics (PK) Bioequivalence (BE) study of Fluticasone Propionate and Salmeterol Xinafoate Dry Powder Inhaler versus Advair Diskus (250/50 mcg) in healthy adult volunteers. A randomized evaluator blinded, single-dose, two-treatment, two-period, two-sequence, crossover fasting study $260,451 0 1
Pilot Pharmacokinetics (PK) Bioequivalence (BE) study of Fluticasone Propionate and Salmeterol Xinafoate Dry Powder Inhaler versus Advair Diskus (500/50 mcg) in healthy adult volunteers. A randomized, evaluator-blinded, single-dose, two-treatment, two-period, two-sequence, crossover, fasting study $259,937 0 1
PIlot Pharmacokinetics (PK) Bioequivalence (BE) study of Beclomethasone Dipropionate HFA MDI 80 mcg/inhalation versus QVAR Inhalation Aerosol (80 mcg/inhalation) in healthy adult volunteers. A randomized evaluator-blind, single-dose, two-treatment, two-period, two-sequence, crossover, fasting study $243,915 0 1
Pilot Pharmacokinetics (PK) Bioequivalence (BE) study of Fluticasone Pripionate HFA MDI 220 mcg/inhalation versus Flovent HFA 220 mcg/inhalation in healthy adult volunteers. A randomized, evaluator-blinded, single-dose, two-treatment, two-period, two-sequence, crossover-fasting study $238,834 0 1
Pilot Pharmacokinetics (PK) Bioequivalence (BE) study of Fluticasone Priponate HFA MDI 110 mcg/inhalation versus Flovent HFA 110 mcg/inhalation in healthy adult volunteers. A randomized, evaluator-blinded, single-dose, two-treatment, two-period, two sequence, crossover, fasting study $215,035 0 1
Study of Drug Exposure in Systemic Circulation of Primatene Mist (0.50mg) by Oral Inhalation, versus Epinephrine Injection (0.30mg) by IM and ProAir (0.18mg) by Oral Inhalation, in Healthy Individuals $193,551 0 1
Pilot Pharmacokinetics (PK) Bioequivalence (BE) Study of Albuterol Sulfate HFA MDI (A008) 90 mcg /inhalation versus ProAir HFA Inhalation Aerosol 90 mcg /inhalation in Healthy Adult Volunteers $164,475 0 1
Pilot Pharmacokinetics (PK) Bioequivalence (BE) Study of Albuterol Sulfate HFA MDI (A008) 90 mcg/inhalation versus ProAir HFA Inhalation Aerosol 90 mcg/inhalation in Healthy Adult Volunteers $129,806 0 1
Preliminary Pharmacodynamic (PD) Bronchodilatation Dose-Scale Bioequivalence (BE) Study of PROAIR HFA MDI Inhalation Aerosol 90 mcg/inhalation in Asthma Patients $113,818 0 3
Pilot Pharmacokinetics (PK) Bioequivalence (BE) Study of Beclomethasone Dipropionate HFA MDI , 40 mcg/inhalation versus QVAR Inhalation Aerosol (40 mcg/inhalation in healthy adult volunteers. A randomized, evaluator-blind, single-dose, two-treatment, two-period, two-sequence, crossover, fasting study $108,232 0 1
Study of Intranasal (IN) Naloxone HCl (N002) Effect on Olfactory Function in Healthy Adult Volunteers $102,439 0 1

Payments by Medical Specialty

Specialty Total Paid Doctors Avg/Doctor
Allergy & Immunology $15,787 3 $5,262
Medical $15,636 37 $422.60
Endocrinology, Diabetes & Metabolism $13,715 387 $35.44
Family $5,874 193 $30.44
Internal Medicine $5,260 185 $28.43
Physician Assistant $3,392 99 $34.27
Nurse Practitioner $2,367 73 $32.42
Pediatrics $2,324 83 $27.99
Pediatric Endocrinology $2,323 57 $40.75
Family Medicine $2,200 81 $27.15
Student in an Organized Health Care Education/Training Program $1,275 43 $29.66
Registered Nurse $810.00 29 $27.93
Otolaryngology $650.00 1 $650.00
Adult Health $644.45 27 $23.87
Specialist $518.59 15 $34.57
Primary Care $510.02 17 $30.00
Diabetes Educator $326.30 5 $65.26
Acute Care $264.39 11 $24.04
General Practice $196.32 10 $19.63
Hospitalist $129.25 4 $32.31
Emergency $115.08 3 $38.36
Cardiovascular Disease $108.13 3 $36.04
Gerontology $94.02 4 $23.51
Pediatric Gastroenterology $87.18 5 $17.44
Surgical $79.06 3 $26.35
Geriatric Medicine $75.76 4 $18.94
Adult Medicine $73.79 1 $73.79
Obesity Medicine $60.23 1 $60.23
Nephrology $58.68 2 $29.34
Emergency Medicine $56.15 3 $18.72
Critical Care Medicine $56.07 3 $18.69
Pulmonary Disease $53.98 3 $17.99
Surgery $52.83 3 $17.61
Addiction Medicine $50.69 1 $50.69
Neurology $50.35 3 $16.78
Podiatrist $44.32 1 $44.32
Physical Medicine & Rehabilitation $41.36 1 $41.36
Psychiatric/Mental Health $40.46 2 $20.23
Case Management $37.08 1 $37.08
Medical-Surgical $31.39 1 $31.39
Gastroenterology $31.16 1 $31.16
Adolescent Medicine $30.73 2 $15.37
Anesthesiology $28.85 2 $14.43
Oncology $21.77 1 $21.77
Dietitian, Registered $21.45 1 $21.45
Pediatrics, Critical Care $20.13 1 $20.13
Nutritionist $19.87 1 $19.87
Retina Specialist $18.72 1 $18.72
Cytopathology $18.58 1 $18.58
Clinical Genetics (M.D.) $17.93 1 $17.93
Neurology with Special Qualifications in Child Neurology $17.93 1 $17.93
Pediatric Allergy/Immunology $17.93 1 $17.93
Pediatric Hematology-Oncology $17.93 1 $17.93
Pediatric Infectious Diseases $17.93 1 $17.93
Obstetrics & Gynecology $17.82 1 $17.82
Medical Technologist $16.25 1 $16.25
Pediatric Rheumatology $15.46 1 $15.46
Reproductive Endocrinology $15.25 1 $15.25
Gynecologic Oncology $14.60 1 $14.60
Diagnostic Radiology $14.51 1 $14.51
Urogynecology and Reconstructive Pelvic Surgery $14.09 1 $14.09
Rheumatology $13.95 1 $13.95
Women's Health $13.73 1 $13.73
Registered Nurse First Assistant $13.67 1 $13.67
Interventional Pain Medicine $13.60 1 $13.60
Nuclear Medicine $13.30 1 $13.30

Top Paid Doctors — Page 58

Doctor Specialty Location Total 2024
Mrs. Jacqueline Sroka, Np-C, NP-C Family Charlotte, NC $13.22 $0
Dr. Daniel Rosenbaum, Md, MD Anesthesiology Camden, NJ $13.21 $0
Dr. Sharan Parikh, Do, DO Endocrinology, Diabetes & Metabolism Sewell, NJ $13.21 $0
Mrs. Vanessa Paddy, Arnp, ARNP Acute Care Elizabethtown, KY $13.15 $0
Mrs. Jodie Thomas, Aprn, APRN Nurse Practitioner Elizabethtown, KY $13.15 $0
Matthew Clark, Aprn, Fnp-C, APRN, FNP-C Family Elizabethtown, KY $13.15 $0
Dr. Lauren Cutrone, Md, MD Internal Medicine Baton Rouge, LA $13.13 $0
Hosanna Clay, Msn, Aprn, Fnp-C, MSN, APRN, FNP-C Family Sandy, UT $13.13 $0
Dr. Ivan Gamboa Velez, Md, MD Internal Medicine Baton Rouge, LA $13.13 $0
Dr. Robin Kilpatrick, M.d, M.D Endocrinology, Diabetes & Metabolism Baton Rouge, LA $13.13 $0
Dr. Sachin Bahl, M.d, M.D Endocrinology, Diabetes & Metabolism Pittsburgh, PA $13.12 $0
Dr. Jonathan Hugo, M.d, M.D Endocrinology, Diabetes & Metabolism Englewood Cliffs, NJ $13.10 $0
Tony Kastoon, M.d, M.D Internal Medicine San Bernardino, CA $13.08 $0
Dr. Marina Litvin, Md, MD Internal Medicine Saint Louis, MO $13.05 $0
Andrew Graf Internal Medicine Plymouth Meeting, PA $13.04 $0
Robert Pearlstein, D.o, D.O Geriatric Medicine Plymouth Meeting, PA $13.04 $0
Colette Knight, M.d, M.D Endocrinology, Diabetes & Metabolism Hackensack, NJ $12.80 $0
Dr. Rajeev Sharma, Md, MD Internal Medicine Tarzana, CA $12.80 $0

About Amphastar Pharmaceuticals, Inc.

Amphastar Pharmaceuticals, Inc. has made $25.2M in payments to 1,443 healthcare providers, recorded across 2,604 transactions in the CMS Open Payments database. In 2024, the company paid $1.0M. The top product by payment volume is BAQSIMI ($11,727).

Payments were distributed across 66 medical specialties. The top specialty by payment amount is Allergy & Immunology ($15,787 to 3 doctors).

Payment categories include: Food & Beverage ($45,654), Consulting ($14,650), Research ($25.1M).