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FDA Alert: Dr. Reddy’s Issues Voluntary Nationwide Recall of Sapropterin Dihydrochloride Powder for Oral Solution 100 mg Due to Sub-Potency

April 23, 2024

Audience: Healthcare Provider, Pharmacy, Consumer

Hyderabad India and Princeton, NJ, US; April 23, 2024 – Dr. Reddy’s Laboratories Ltd. today announced that it is voluntarily recalling six (6) lots of Sapropterin Dihydrochloride Powder for Oral Solution 100 mg to the consumer level due to powder discoloration in some packets leading to decreased potency. The issue was discovered during an accelerated stability test in addition to customer complaints.

Risk Statement: Reduced efficacy of the product would result in elevated Phenylalaninemia (Phe) levels in patients. Chronically elevated Phe levels in infants and children are likely to cause permanent neurocognitive deficits, including permanent and irreversible intellectual disability, developmental delay, and seizures. Furthermore, elevated Phe levels during pregnancy, especially in early gestation, are associated with microcephaly and congenital heart disease.

Dr. Reddy’s Laboratories Inc. has not received any reports of adverse events related to this recall to date.

The product is indicated to reduce blood phenylalanine (Phe) levels in adult and pediatric patients one month of age and older with hyperphenylalaninemia (HPA) due to tetrahydrobiopterin-(BH4-) responsive Phenylketonuria (PKU) and is packaged in individual packets, 30 per carton. The affected Sapropterin Dihydrochloride Powder for Oral Solution 100mg lots include the following:

Product Name

Lot Number

Expiration date

NDC Number

Javygtor™ (Sapropterin)
Dihydrochloride) Powder for Oral
Solution 100 mg
T2202812 07/2025 43598-097-30
T2204053 10/2025 43598-097-30
T2300975 02/2026 43598-097-30
T2300976 02/2026 43598-097-30
T2304356 08/2026 43598-097-30
Sapropterin Dihydrochloride Powder for
Oral Solution 100 mg
T2200352 12/2024 43598-477-30

Sapropterin Dihydrochloride Powder for Oral Solution 100 mg was distributed nationwide to wholesalers/retailers.

Dr. Reddy’s Laboratories Inc. is notifying its distributors and customers by recall notification letters and is arranging for returns of all recalled products. Anyone with an existing inventory of the product being recalled should examine the product and quarantine any of the recalled lots immediately. Consumers who have Sapropterin Dihydrochloride Powder for Oral Solution 100 mg which is being recalled should contact their physician before stopping use of the product. Consumers who have Sapropterin Dihydrochloride Powder for Oral Solution 100 mg which is being recalled should return it to their place of purchase.

Consumers with questions regarding this recall can contact Dr. Reddy’s Laboratories Inc. by calling 866-733-3952 during office hours from 9 a.m. to 5 p.m. (EST) Monday through Friday. Consumers should contact their physician or healthcare provider if they have experienced any problems that may be related to taking or using this drug product.

Adverse reactions or quality problems experienced with the use of this product may be reported to the FDA’s MedWatch Adverse Event Reporting program either online, by regular mail or by fax.

  • Complete and submit the report Online
  • Regular Mail or Fax: Download form or call 1- 800-332-1088 to request a reporting form, then complete and return to the address on the pre-addressed form, or submit by fax to 1-800-FDA-0178

This recall is being conducted with the knowledge of the U.S. Food and Drug Administration.

About Dr. Reddy’s:
Dr. Reddy’s Laboratories Ltd. (BSE: 500124, NSE: DRREDDY, NYSE: RDY, NSEIFSC: DRREDDY) is a global pharmaceutical company headquartered in Hyderabad, India. Established in 1984, we are committed to providing access to affordable and innovative medicines. Driven by our purpose of ‘Good Health Can’t Wait’, we offer a portfolio of products and services including APIs, generics, branded generics, biosimilars and OTC. Our major therapeutic areas of focus are gastrointestinal, cardiovascular, diabetology, oncology, pain management and dermatology. Our major markets include – USA, India, Russia & CIS countries, China, Brazil and Europe. As a company with a history of deep science that has led to several industry firsts, we continue to plan ahead and invest in businesses of the future. As an early adopter of sustainability and ESG actions, we released our first Sustainability Report in 2004. Our current ESG goals aim to set the bar high in environmental stewardship; access and affordability for patients; diversity; and governance. For more information, log on to: www.drreddys.com.

Disclaimer: This press release may include statements of future expectations and other forward-looking statements that are based on the management’s current views and assumptions and involve known or unknown risks and uncertainties that could cause actual results, performance or events to differ materially from those expressed or implied in such statements. In addition to statements which are forward-looking by reason of context, the words “may”, “will”, “should”, “expects”, “plans”, “intends”, “anticipates”, “believes”, “estimates”, “predicts”, “potential”, or “continue” and similar expressions identify forward-looking statements. Actual results, performance or events may differ materially from those in such statements due to without limitation, (i) general economic conditions such as performance of financial markets, credit defaults , currency exchange rates, interest rates, persistency levels and frequency / severity of insured loss events, (ii) mortality and morbidity levels and trends, (iii) changing levels of competition and general competitive factors, (iv) changes in laws and regulations and in the policies of central banks and/or governments, (v) the impact of acquisitions or reorganization, including related integration issues, and (vi) the susceptibility of our industry and the markets addressed by our, and our customers’, products and services to economic downturns as a result of natural disasters, epidemics, pandemics or other widespread illness, including coronavirus (or COVID-19), and (vii) other risks and uncertainties identified in our public filings with the Securities and Exchange Commission, including those listed under the “Risk Factors” and “Forward-Looking Statements” sections of our Annual Report on Form 20-F for the year ended March 31, 2023. The company assumes no obligation to update any information contained herein.

Source: FDA

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