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Delstrigo Side Effects

Generic name: doravirine / lamivudine / tenofovir

Medically reviewed by Drugs.com. Last updated on Feb 25, 2024.

Note: This document contains side effect information about doravirine / lamivudine / tenofovir. Some dosage forms listed on this page may not apply to the brand name Delstrigo.

Applies to doravirine / lamivudine / tenofovir: oral tablet.

Warning

Oral route (Tablet)

Warning: Posttreatment Acute Exacerbations of Hepatitis BSevere acute exacerbations of hepatitis B (HBV) have been reported in patients coinfected with HIV-1 and HBV who have discontinued lamivudine or tenofovir disoproxil fumarate (TDF), two of the components of doravirine/lamivudine/tenofovir disoproxil fumarate oral tablets. Closely monitor hepatic function in these patients. If appropriate, initiation of antihepatitis B therapy may be warranted..

Serious side effects of Delstrigo

Along with its needed effects, doravirine / lamivudine / tenofovir may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking doravirine / lamivudine / tenofovir:

Incidence not known

Other side effects of Delstrigo

Some side effects of doravirine / lamivudine / tenofovir may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

Less common

Incidence not known

For Healthcare Professionals

Applies to doravirine / lamivudine / tenofovir: oral tablet.

General

The safety of this drug in patients with no antiretroviral treatment history was assessed in 2 phase 3 trials; patients received doravirine either as a single component in combination with other antiretroviral drugs as background regimens or as a component of this combination drug. Most (66%) side effects associated with this combination drug were of mild severity (grade 1).

The safety of this combination drug in virologically-suppressed patients was assessed in a trial where virologically-suppressed patients were switched from a baseline regimen to this combination drug; overall, the safety profile in virologically-suppressed patients was similar to the safety profile in patients with no antiretroviral treatment history.

Unless otherwise specified, the side effects provided below were reported during the trial using this combination drug.[Ref]

Cardiovascular

Uncommon (0.1% to 1%): Hypertension

Dermatologic

Rash included rash, erythematous rash, generalized rash, macular rash, maculopapular rash, papular rash, pruritic rash, and urticarial.

Common (1% to 10%): Rash

Uncommon (0.1% to 1%): Pruritus

Rare (0.01% to 0.1%): Pustular rash, allergic dermatitis, rosacea

Lamivudine and/or tenofovir disoproxil fumarate (DF):

-Common (1% to 10%): Alopecia

-Rare (0.01% to 0.1%): Angioedema

Lamivudine:

-Postmarketing reports: Urticaria, alopecia, pruritus

Tenofovir DF:

-Postmarketing reports: Rash

Endocrine

Tenofovir DF:

-Frequency not reported: Higher serum parathyroid hormone levels

Gastrointestinal

Common (1% to 10%): Nausea, diarrhea, increased lipase, abdominal pain, vomiting, flatulence

Uncommon (0.1% to 1%): Constipation, abdominal discomfort, abdominal distension, dyspepsia, soft feces, gastrointestinal motility disorder, increased amylase

Rare (0.01% to 0.1%): Rectal tenesmus

Lamivudine and/or tenofovir DF:

-Uncommon (0.1% to 1%): Pancreatitis

Tenofovir DF:

-Postmarketing reports: Pancreatitis, increased amylase, abdominal pain

Increased lipase (1.5 to less than 3 times the upper limit of normal [1.5 to less than 3 x ULN]: 6%; at least 3 x ULN: 2%) has been reported.

Abdominal pain included abdominal discomfort, abdominal pain, lower abdominal pain, upper abdominal pain, and epigastric discomfort.

Abdominal discomfort included abdominal discomfort and epigastric discomfort.

Soft feces included soft feces and abnormal feces.

Gastrointestinal motility disorder included gastrointestinal motility disorder and frequent bowel movements.

Genitourinary

Rare (0.01% to 0.1%): Urinary calculus

Tenofovir DF:

-Postmarketing reports: Proteinuria, polyuria

Hematologic

Uncommon (0.1% to 1%): Decreased hemoglobin

Lamivudine and/or tenofovir DF:

-Uncommon (0.1% to 1%): Neutropenia, anemia, thrombocytopenia

-Very rare (less than 0.01%): Pure red cell aplasia

Lamivudine:

-Postmarketing reports: Anemia (including pure red cell aplasia and severe anemias progressing on therapy)

Hepatic

Increased ALT included increased ALT and hepatocellular injury.

Increased total bilirubin (1.1 to less than 1.6 x ULN: 5%; 1.6 to less than 2.6 x ULN: 2%; at least 2.6 x ULN: 1%), ALT (2.5 to less than 5 x ULN: 4%; at least 5 x ULN: 1%), and AST (2.5 to less than 5 x ULN: 3%; at least 5 x ULN: 1%) have been reported.

In virologically-suppressed patients, 22% and 16% of patients in the immediate switch group had ALT and AST elevations greater than 1.25 x ULN, respectively, through 48 weeks on this combination drug; 1% of patients had ALT or AST elevations greater than 5 x ULN through 48 weeks. No apparent patterns were observed regarding time to onset of these elevations relative to switch. In general, the ALT and AST elevations were asymptomatic and not associated with elevated bilirubin.

Lactic acidosis and severe hepatomegaly with steatosis (including fatal cases) have been reported with the use of nucleoside analogs.

Severe acute exacerbations of hepatitis B (e.g., liver decompensated, liver failure) have been reported in patients coinfected with HIV-1 and hepatitis B virus after discontinuation of products containing lamivudine and/or tenofovir DF.

Very common (10% or more): Increased ALT (up to 22%), increased AST (up to 16%)

Common (1% to 10%): Increased total bilirubin

Lamivudine and/or tenofovir DF:

-Rare (0.01% to 0.1%): Hepatic steatosis, hepatitis

Lamivudine:

-Postmarketing reports: Hepatic steatosis, posttreatment exacerbations of hepatitis B (e.g., liver decompensated, liver failure)

Tenofovir DF:

-Frequency not reported: Posttreatment exacerbation of hepatitis B

-Postmarketing reports: Hepatic steatosis, hepatitis, increased liver enzymes (most commonly AST, ALT, GGT)

Hypersensitivity

Lamivudine:

-Postmarketing reports: Anaphylaxis

Tenofovir DF:

-Postmarketing reports: Allergic reaction (including angioedema)

Immunologic

Combination antiretroviral therapy:

-Frequency not reported: Immune reconstitution syndrome, autoimmune disorders in the setting of immune reconstitution (e.g., Graves' disease, polymyositis, Guillain-Barre syndrome, autoimmune hepatitis)

Metabolic

Uncommon (0.1% to 1%): Hypophosphatemia

Rare (0.01% to 0.1%): Hypomagnesemia, thirst

Lamivudine and/or tenofovir DF:

-Uncommon (0.1% to 1%): Hypokalemia

-Rare (0.01% to 0.1%): Lactic acidosis

Lamivudine:

-Postmarketing reports: Redistribution/accumulation of body fat, hyperglycemia, lactic acidosis

Tenofovir DF:

-Frequency not reported: Higher 1,25 vitamin D levels

-Postmarketing reports: Lactic acidosis, hypokalemia, hypophosphatemia

Lactic acidosis and severe hepatomegaly with steatosis (including fatal cases) have been reported with the use of nucleoside analogs.

Hypokalemia and hypophosphatemia have occurred as a result of proximal renal tubulopathy.

Musculoskeletal

Common (1% to 10%): Increased creatine kinase

Uncommon (0.1% to 1%): Myalgia, arthralgia

Rare (0.01% to 0.1%): Musculoskeletal pain

Lamivudine and/or tenofovir DF:

-Common (1% to 10%): Muscle disorders

-Uncommon (0.1% to 1%): Rhabdomyolysis, muscular weakness

-Rare (0.01% to 0.1%): Osteomalacia (manifested as bone pain and infrequently contributing to fractures), myopathy

Lamivudine:

-Postmarketing reports: Muscle weakness, elevated creatine phosphokinase, rhabdomyolysis

Tenofovir DF:

-Frequency not reported: Decreased bone mineral density, increased biochemical markers of bone metabolism

-Postmarketing reports: Rhabdomyolysis, osteomalacia (manifested as bone pain and which may contribute to fractures), muscular weakness, myopathy

Increased creatine kinase (6 to less than 10 x ULN: 3%; at least 10 x ULN: 4%) has been reported.

Rhabdomyolysis, osteomalacia, muscular weakness, and myopathy have occurred as a result of proximal renal tubulopathy.

Nervous system

Altered sensorium included altered state of consciousness, lethargy, somnolence, and syncope.

Common (1% to 10%): Dizziness, headache, altered sensorium, somnolence

Uncommon (0.1% to 1%): Disturbance in attention, memory impairment, paresthesia, hypertonia, poor quality sleep

Lamivudine and/or tenofovir DF:

-Very rare (less than 0.01%): Peripheral neuropathy/paresthesia

Other

Fatigue included fatigue, asthenia, and malaise.

Increased alkaline phosphatase (2.5 to less than 5 x ULN: less than 1%), fasted cholesterol (at least 300 mg/dL: 1%), fasted LDL cholesterol (at least 190 mg/dL: less than 1%), and fasted triglycerides (greater than 500 mg/dL: 1%) have been reported.

Fasting lipids changed from baseline to week 48 in patients with no antiretroviral treatment history; changes included increased HDL cholesterol and reduced LDL cholesterol, non-HDL cholesterol, total cholesterol, and triglycerides. Changes from baseline to week 96 were similar to changes seen at week 48.

Fasting lipids changed from baseline to week 24 in virologically-suppressed patients who switched to this combination drug; changes included decreased LDL cholesterol, non-HDL cholesterol, total cholesterol, triglycerides, and HDL cholesterol.

Common (1% to 10%): Fatigue

Uncommon (0.1% to 1%): Asthenia, malaise

Rare (0.01% to 0.1%): Chest pain, chills, pain

Frequency not reported: Increased alkaline phosphatase, increased fasted cholesterol, increased fasted low-density lipoprotein (LDL) cholesterol, increased fasted triglycerides, fasting lipids changed from baseline (including LDL cholesterol, non-high-density lipoprotein [HDL] cholesterol, total cholesterol, triglycerides, HDL cholesterol)

Lamivudine and/or tenofovir DF:

-Common (1% to 10%): Fever

Lamivudine:

-Postmarketing reports: Weakness

Tenofovir DF:

-Postmarketing reports: Asthenia

Psychiatric

Most patients reported neuropsychiatric side effects as mild to moderate in severity; such events were mostly reported in the first 4 weeks of therapy. The prevalence of neuropsychiatric side effects through week 4, at week 48, and at week 96 was 17%, 12%, and 13%, respectively. This drug was discontinued due to neuropsychiatric side effects in 1% of patients.

Sleep disorders and disturbances included abnormal dreams, hyposomnia, initial insomnia, insomnia, nightmare, sleep disorder, and somnambulism.

Insomnia included insomnia, initial insomnia, and sleep disorder.

Depression included depression, depressed mood, major depression, and persistent depressive disorder.

Anxiety included anxiety and generalized anxiety disorder.

Very common (10% or more): Neuropsychiatric side effects (up to 24%), sleep disorders and disturbances (12%)

Common (1% to 10%): Abnormal dreams, insomnia, depression, suicide/self-injury

Uncommon (0.1% to 1%): Nightmare, depression, anxiety, irritability, confusional state, suicidal ideation

Rare (0.01% to 0.1%): Aggression, hallucination, adjustment disorder, altered mood, somnambulism

Renal

Common (1% to 10%): Increased creatinine

Rare (0.01% to 0.1%): Acute kidney injury, renal disorder, nephrolithiasis

Lamivudine and/or tenofovir DF:

-Uncommon (0.1% to 1%): Increased creatinine, proximal renal tubulopathy (including Fanconi syndrome)

-Rare (0.01% to 0.1%): Acute renal failure, renal failure, acute tubular necrosis, nephritis (including acute interstitial), nephrogenic diabetes insipidus

Tenofovir DF:

-Postmarketing reports: Acute renal failure, renal failure, acute tubular necrosis, Fanconi syndrome, proximal renal tubulopathy, interstitial nephritis (including acute cases), nephrogenic diabetes insipidus, renal insufficiency, increased creatinine

Increased creatinine (greater than 1.3 to 1.8 x ULN or increased greater than 0.3 mg/dL above baseline: 3%; greater than 1.8 x ULN or increased at least 1.5 x above baseline: 3%) has been reported.

Rhabdomyolysis, osteomalacia, hypokalemia, muscular weakness, myopathy, and hypophosphatemia have occurred as a result of proximal renal tubulopathy.

Respiratory

Rare (0.01% to 0.1%): Dyspnea, tonsillar hypertrophy

Lamivudine and/or tenofovir DF:

-Common (1% to 10%): Cough, nasal symptoms

Tenofovir DF:

-Postmarketing reports: Dyspnea

Frequently asked questions

References

1. Product Information. Delstrigo (doravirine / lamivudine / tenofovir). Merck Sharp & Dohme LLC. 2022;SUPPL-8.

2. Product Information. Delstrigo (doravirine/lamiVUDine/tenofovir). Merck Sharp & Dohme (Australia) Pty Ltd. 2020;CCDS-MK1439A-T-10201.

3. Product Information. Delstrigo (doravirine / lamivudine / tenofovir). Merck Sharp & Dohme (UK) Ltd. 2022.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.