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Exakte Wirkstoffkennungen und zitierbare Passagen zu Wechselwirkungen, Gegenanzeigen und Nebenwirkungen.

Ein Paarvergleich findet Originalpassagen, die den anderen Wirkstoff wörtlich nennen. Aussagen gelten für das jeweilige Präparat und seine Formulierung. Klassenbegriffe und abweichende Synonyme können fehlen. Kein Treffer bedeutet nicht, dass keine Wechselwirkung besteht.

RxNorm 05-Oct-2026 · geprüft 2026-10-25 · 1009 Präparate · 54812 Quellenpassagen · 148 strukturierte Aussagen. Automatisch aktualisiert, ohne menschliche Freigabe.

Biktarvy

HOS-098314 · Fachinformation

Quellenpassagen (103)

Wechselwirkungen · Kaletra

Kaletra (80 mg + 20 mg) / ml oral solution · Abschnitt 4.5 · PDF-Seite 11

HOS-108840 · Präparat HOS-093083

Abacavir, Zidovudine Abacavir, Zidovudine: The clinical significance of Concentrations may be reduced reduced abacavir and zidovudine due to increased glucuronidation concentrations is unknown. by lopinavir/ritonavir. Tenofovir disoproxil Tenofovir: No dose adjustment necessary. fumarate (DF), 300 mg QD AUC: ↑ 32% Higher tenofovir concentrations Cmax: ↔ could potentiate tenofovir (equivalent to 245 mg Cmin: ↑ 51% associated adverse events, tenofovir disoproxil) including renal disorders. Lopinavir: ↔ Non-nucleoside reverse transcriptase inhibitors (NNRTIs) Efavirenz, 600 mg QD Lopinavir: See section 4.2 for Kaletra dosage AUC: ↓ 20% recommendation or consider Cmax: ↓ 13% alternative therapy. Cmin: ↓ 42% Nevirapine, 200 mg BID Lopinavir: See section 4.2 for Kaletra dosage AUC: ↓ 27% recommendation or consider Cmax: ↓ 19% alternative therapy. Cmin: ↓ 51% Etravirine Etravirine: No dose adjustment necessary AUC: ↓ 35% (Lopinavir/ritonavir tablet Cmin: ↓ 45% 400/100 mg BID) Cmax: ↓ 30%

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir (HOS-088083) etravirine (HOS-088088) tenofovir disoproxil (HOS-108843) fumarate (HOS-108845) zidovudine (HOS-085837) efavirenz (HOS-087947) nevirapine (HOS-088064) abacavir (HOS-088077)

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Version 2025-12-02T16:00:00Z · SHA-256 441d9e5f9e4b42d645e4bd802abc892cef6574b0be5b3f18d2a96678774ae365 · Passage 7e8d3e75ebcfb46fcb48f151d995ceb0e62959fafd1f9cc35b54c2dafa32e31e · Zeichen 2252–4083 im Abschnitt

Wechselwirkungen · Kaletra

Kaletra 200 mg/50 mg film-coated tablets · Abschnitt 4.5 · PDF-Seite 47–48

HOS-109002 · Präparat HOS-093083

47 Tenofovir disoproxil Tenofovir: No dose adjustment necessary. fumarate (DF), 300 mg AUC: ↑ 32% Higher tenofovir concentrations could QD Cmax: ↔ potentiate tenofovir associated Cmin: ↑ 51% adverse events, including renal (equivalent to 245 mg disorders. tenofovir disoproxil) Lopinavir: ↔ Non-nucleoside reverse transcriptase inhibitors (NNRTIs) Efavirenz, 600 mg QD Lopinavir: See section 4.2 for Kaletra dosage AUC: ↓ 20% recommendation or consider Cmax: ↓ 13% alternative therapy. Kaletra must not Cmin: ↓ 42% be administered once daily in combination with efavirenz. Nevirapine, 200 mg Lopinavir: See section 4.2 for Kaletra dosage BID AUC: ↓ 27% recommendation or consider Cmax: ↓ 19% alternative therapy. Kaletra must not Cmin: ↓ 51% be administered once daily in combination with nevirapine. Etravirine Etravirine: No dose adjustment necessary AUC: ↓ 35% (Lopinavir/ritonavir Cmin: ↓ 45% tablet 400/100 mg BID) Cmax: ↓ 30%

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir (HOS-088083) etravirine (HOS-088088) tenofovir disoproxil (HOS-108843) fumarate (HOS-108845) efavirenz (HOS-087947) nevirapine (HOS-088064)

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Version 2025-12-02T16:00:00Z · SHA-256 441d9e5f9e4b42d645e4bd802abc892cef6574b0be5b3f18d2a96678774ae365 · Passage 1aa214ec519e800876deb03695523d141ba93dc4735974a07c93601e327b046a · Zeichen 2765–4474 im Abschnitt

Wechselwirkungen · Kaletra

Kaletra 100 mg/25 mg film-coated tablets · Abschnitt 4.5 · PDF-Seite 83

HOS-109075 · Präparat HOS-093083

Abacavir, Zidovudine Abacavir, Zidovudine: The clinical significance of reduced Concentrations may be reduced abacavir and zidovudine due to increased glucuronidation concentrations is unknown. by lopinavir/ritonavir. Tenofovir disoproxil Tenofovir: No dose adjustment necessary. fumarate (DF), 300 mg AUC: ↑ 32% Higher tenofovir concentrations QD Cmax: ↔ could potentiate tenofovir Cmin: ↑ 51% associated adverse events, including (equivalent to 245 mg renal disorders. tenofovir disoproxil) Lopinavir: ↔ Non-nucleoside reverse transcriptase inhibitors (NNRTIs) Efavirenz, 600 mg QD Lopinavir: See section 4.2 for Kaletra dosage AUC: ↓ 20% recommendation or consider Cmax: ↓ 13% alternative therapy. Cmin: ↓ 42% Kaletra must not be administered once daily in combination with efavirenz. Nevirapine, 200 mg Lopinavir: See section 4.2 for Kaletra dosage BID AUC: ↓ 27% recommendation or consider Cmax: ↓ 19% alternative therapy. Cmin: ↓ 51% Kaletra must not be administered once daily in combination with nevirapine. Etravirine Etravirine: No dose adjustment necessary AUC: ↓ 35% (Lopinavir/ritonavir Cmin: ↓ 45% tablet 400/100 mg BID) Cmax: ↓ 30%

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir (HOS-088083) etravirine (HOS-088088) tenofovir disoproxil (HOS-108843) fumarate (HOS-108845) zidovudine (HOS-085837) efavirenz (HOS-087947) nevirapine (HOS-088064) abacavir (HOS-088077)

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Version 2025-12-02T16:00:00Z · SHA-256 441d9e5f9e4b42d645e4bd802abc892cef6574b0be5b3f18d2a96678774ae365 · Passage c9296155c3ce5ef684722be8fb72dfceaf88100c0a3b2414e8bf3a028a9c0a3c · Zeichen 2392–4529 im Abschnitt

Wechselwirkungen · Reyataz

REYATAZ 200 mg hard capsules REYATAZ 300 mg hard capsules · Abschnitt 4.5 · PDF-Seite 12

HOS-112073 · Präparat HOS-093615

No significant effect on atazanavir concentrations was observed when administered with enteric-coated didanosine, but administration with food decreased didanosine concentrations. Tenofovir disoproxil fumarate Atazanavir AUC: ↓22% (↓35% ↓6%) * When co-administered with 300 mg once daily Atazanavir Cmax: ↓16% (↓30% ↔0%) * tenofovir disoproxil fumarate, it is (atazanavir 300 mg once daily Atazanavir Cmin: ↓23% (↓43% ↑2%) * recommended that REYATAZ with ritonavir 100 mg once daily) 300 mg be given with ritonavir * In a combined analysis from several 100 mg and tenofovir disoproxil 300 mg tenofovir disoproxil clinical studies, atazanavir/ritonavir fumarate 300 mg (all as a single fumarate is equivalent to 245 mg 300/100 mg co-administered with dose with food). tenofovir disoproxil. tenofovir disoproxil fumarate 300 mg (n = 39) was compared to Studies conducted in HIV- atazanavir/ritonavir 300/100 mg (n = 33). infected patients The efficacy of REYATAZ/ritonavir in combination with tenofovir disoproxil fumarate in treatment-experienced patients has been demonstrated in clinical study 045 and in treatment naïve patients in clinical study 138 (see sections 4.8 and 5.1). The mechanism of interaction between atazanavir and tenofovir disoproxil fumarate is unknown. Tenofovir disoproxil fumarate Tenofovir disoproxil fumarate AUC: ↑37% Patients should be closely 300 mg once daily (↑30% ↑45%) monitored for tenofovir disoproxil (atazanavir 300 mg once daily Tenofovir disoproxil fumarate Cmax: ↑34% fumarate-associated adverse with ritonavir 100 mg once daily) (↑20% ↑51%) reactions, including renal disorders. Tenofovir disoproxil fumarate Cmin: ↑29% 300 mg tenofovir disoproxil (↑21% ↑36%) fumarate is equivalent to 245 mg tenofovir disoproxil. Non-nucleoside reverse transcriptase inhibitors (NNRTIs) Efavirenz 600 mg once daily Atazanavir (pm): all administered with Co-administration of efavirenz and (atazanavir 400 mg once daily food REYATAZ is not recommended with ritonavir 100 mg once daily) Atazanavir AUC: ↔0%(↓9% ↑10%)* (see section 4.4). Atazanavir Cmax: ↑17%(↑8% ↑27%)* Atazanavir Cmin: ↓42%(↓51% ↓31%)* Efavirenz 600 mg once daily Atazanavir (pm): all administered with (atazanavir 400 mg once daily food with ritonavir 200 mg once daily) Atazanavir AUC: ↔6% (↓10% ↑26%)*/** Atazanavir Cmax: ↔9% (↓5% ↑26%)*/** Atazanavir Cmin: ↔12% (↓16% ↑49%)*/** *When compared to REYATAZ 300 mg/ritonavir 100 mg once daily in the evening without efavirenz. This decrease in atazanavir Cmin might negatively impact the efficacy of atazanavir. The mechanism of efavirenz/atazanavir interaction is CYP3A4 induction.

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir (HOS-088083) tenofovir disoproxil (HOS-108843) didanosine (HOS-085836) fumarate (HOS-108845) efavirenz (HOS-087947) tenofovir disoproxil fumarate (HOS-110471) ritonavir (HOS-084521)

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Version 2026-06-29T13:00:00Z · SHA-256 ff5481974bd7c752b73fa0c147cf3e96fc892edc735359fa71817833db471beb · Passage 7bb7bde08aba3c87ff8884ed201528362530687526da177fc8f79451b0f7859f · Zeichen 13958–17928 im Abschnitt

Wechselwirkungen · Reyataz

REYATAZ 200 mg hard capsules REYATAZ 300 mg hard capsules · Abschnitt 4.5 · PDF-Seite 15–16

HOS-112086 · Präparat HOS-093615

15 Medicinal products by Interaction Recommendations concerning co- therapeutic area administration ACID REDUCING AGENTS H2-Receptor antagonists Without Tenofovir In HIV-infected patients with atazanavir/ritonavir at the recommended For patients not taking tenofovir, dose 300/100 mg once daily if REYATAZ 300 mg/ritonavir Famotidine 20 mg twice daily Atazanavir AUC: ↓18% (↓25% ↑1%) 100 mg and H2-receptor antagonists Atazanavir Cmax: ↓20% (↓32% ↓7%) are co-administered, a dose Atazanavir Cmin: ↔1% (↓16% ↑18%) equivalent to famotidine 20 mg twice daily should not be exceeded. Famotidine 40 mg twice daily Atazanavir AUC: ↓23% (↓32% ↓14%) If a higher dose of an H2-receptor Atazanavir Cmax: ↓23% (↓33% ↓12%) antagonist is required (e.g., Atazanavir Cmin: ↓20% (↓31% ↓8%) famotidine 40 mg twice daily or In healthy volunteers with atazanavir/ritonavir at an increased dose equivalent) an increase of the of 400/100 mg once daily REYATAZ/ritonavir dose from Famotidine 40 mg twice daily Atazanavir AUC: ↔3% (↓14% ↑22%) 300/100 mg to 400/100 mg can be Atazanavir Cmax: ↔2% (↓13% ↑8%) considered. Atazanavir Cmin: ↓14% (↓32% ↑8%) With Tenofovir disoproxil fumarate 300 mg once daily (equivalent to 245 mg tenofovir disoproxil) In HIV-infected patients with atazanavir/ritonavir at the recommended dose For patients who are taking of 300/100 mg once daily tenofovir disoproxil fumarate, if Famotidine 20 mg twice daily Atazanavir AUC: ↓21% (↓34% ↓4%)* REYATAZ/ritonavir with both Atazanavir Cmax: ↓21% (↓36% ↓4%)* tenofovir disoproxil fumarate and Atazanavir Cmin: ↓19% (↓37% ↑5%)* an H2-receptor antagonist are co- administered, a dose increase of Famotidine 40 mg twice daily Atazanavir AUC: ↓24% (↓36% ↓11%)* REYATAZ to 400 mg with 100 mg Atazanavir Cmax: ↓23% (↓36% ↓8%)* of ritonavir is recommended. A Atazanavir Cmin: ↓25% (↓47% ↑7%)* dose equivalent to famotidine In HIV-infected patients with atazanavir/ritonavir at an increased dose 40 mg twice daily should not be of 400/100 mg once daily exceeded. Famotidine 20 mg twice daily Atazanavir AUC: ↑18% (↑6.5% ↑30%)* Atazanavir Cmax: ↑18% (↑6.7% ↑31%)* Atazanavir Cmin: ↑24% (↑10% ↑39%)* Famotidine 40 mg twice daily Atazanavir AUC: ↔2.3% (↓13% ↑10%)* Atazanavir Cmax: ↔5% (↓17% ↑8.4%)* Atazanavir Cmin: ↔1.3% (↓10% ↑15)* *When compared to atazanavir 300 mg once daily with ritonavir 100 mg once daily and tenofovir disoproxil fumarate 300 mg all as a single dose with food. When compared to atazanavir 300 mg with ritonavir 100 mg without tenofovir disoproxil fumarate, atazanavir concentrations are expected to be additionally decreased by about 20%.

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir (HOS-088083) famotidine (HOS-112087) tenofovir disoproxil (HOS-108843) fumarate (HOS-108845) tenofovir disoproxil fumarate (HOS-110471) ritonavir (HOS-084521)

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Version 2026-06-29T13:00:00Z · SHA-256 ff5481974bd7c752b73fa0c147cf3e96fc892edc735359fa71817833db471beb · Passage 695cfffb4426adfdcee429184e2620b1c5bb6af71aadbc31f5b2433e0455e449 · Zeichen 31489–35584 im Abschnitt

Wechselwirkungen · Reyataz

REYATAZ 50 mg oral powder · Abschnitt 4.5 · PDF-Seite 47

HOS-112172 · Präparat HOS-093615

No significant effect on didanosine and stavudine concentrations was observed. Didanosine (enteric coated Didanosine (with food) capsules) 400 mg single dose Didanosine AUC: ↓34% (↓41% ↓27%) (atazanavir 300 mg once daily Didanosine Cmax: ↓38% (↓48% ↓26%) with ritonavir 100 mg once Didanosine Cmin: ↑25% (↓8% ↑69%) daily) No significant effect on atazanavir concentrations was observed when administered with enteric-coated didanosine, but administration with food decreased didanosine concentrations. Tenofovir disoproxil Atazanavir AUC: ↓22% (↓35% ↓6%)* When co-administered with fumarate 300 mg once daily Atazanavir Cmax: ↓16% (↓30% ↔0%)* tenofovir disoproxil fumarate, (atazanavir 300 mg once daily Atazanavir Cmin: ↓23% (↓43% ↑2%)* it is recommended that with ritonavir 100 mg once REYATAZ 300 mg be given daily) *In a combined analysis from several with ritonavir 100 mg and clinical studies, atazanavir/ritonavir tenofovir disoproxil fumarate 300 mg tenofovir disoproxil 300/100 mg co-administered with tenofovir 300 mg (all as a single dose fumarate is equivalent to disoproxil fumarate 300 mg (n = 39) was with food). 245 mg tenofovir disoproxil. compared to atazanavir/ritonavir 300/100 mg (n = 33). Studies conducted in HIV- infected patients The efficacy of REYATAZ/ritonavir in combination with tenofovir disoproxil fumarate in treatment-experienced patients has been demonstrated in clinical study 045 and in treatment naive patients in clinical study 138 (see sections 4.8 and 5.1). The mechanism of interaction between atazanavir and tenofovir disoproxil fumarate is unknown.

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir (HOS-088083) stavudine (HOS-088080) tenofovir disoproxil (HOS-108843) didanosine (HOS-085836) fumarate (HOS-108845) tenofovir disoproxil fumarate (HOS-110471) ritonavir (HOS-084521)

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Version 2026-06-29T13:00:00Z · SHA-256 ff5481974bd7c752b73fa0c147cf3e96fc892edc735359fa71817833db471beb · Passage 85dd1351f7e7583a5f13a723d7100c44d38f3263361d690ef402b7958692fcf6 · Zeichen 13770–16089 im Abschnitt

Wechselwirkungen · Reyataz

REYATAZ 50 mg oral powder · Abschnitt 4.5 · PDF-Seite 47–48

HOS-112173 · Präparat HOS-093615

47 Medicinal products by Interaction Recommendations therapeutic area concerning co-administration Tenofovir disoproxil Tenofovir disoproxil fumarate AUC: ↑37% Patients should be closely fumarate 300 mg once daily (↑30% ↑45%) monitored for tenofovir (atazanavir 300 mg once daily Tenofovir disoproxil fumarate Cmax: ↑34% disoproxil fumarate-associated with ritonavir 100 mg once (↑20% ↑51%) adverse reactions, including daily) Tenofovir disoproxil fumarate Cmin: ↑29% renal disorders. (↑21% ↑36%) 300 mg tenofovir disoproxil fumarate is equivalent to 245 mg tenofovir disoproxil. Non-nucleoside reverse transcriptase inhibitors (NNRTIs) Efavirenz 600 mg once daily Atazanavir (pm): all administered with Co-administration of efavirenz (atazanavir 400 mg once daily food and REYATAZ is not with ritonavir 100 mg once Atazanavir AUC: ↔0%(↓9% ↑10%)* recommended (see daily) Atazanavir Cmax: ↑17%(↑8% ↑27%)* section 4.4). Atazanavir Cmin: ↓42%(↓51% ↓31%)* Efavirenz 600 mg once daily Atazanavir (pm): all administered with (atazanavir 400 mg once daily food with ritonavir 200 mg once Atazanavir AUC: ↔6% (↓10% ↑26%)*/** daily) Atazanavir Cmax: ↔9% (↓5% ↑26%)*/** Atazanavir Cmin: ↔12% (↓16% ↑49%)*/** *When compared to REYATAZ 300 mg/ritonavir 100 mg once daily in the evening without efavirenz. This decrease in atazanavir Cmin might negatively impact the efficacy of atazanavir. The mechanism of efavirenz/atazanavir interaction is CYP3A4 induction. **Based on historical comparison. Nevirapine 200 mg twice Nevirapine AUC: ↑26% (↑17% ↑36%) Co-administration of daily Nevirapine Cmax: ↑21% (↑11% ↑32%) nevirapine and REYATAZ is (atazanavir 400 mg once daily Nevirapine Cmin: ↑35% (↑25% ↑47%) not recommended (see with ritonavir 100 mg once section 4.4) daily) Atazanavir AUC: ↓19% (↓35% ↑2%)* Atazanavir Cmax: ↔2% (↓15% ↑24%)* Study conducted in Atazanavir Cmin: ↓59% (↓73% ↓40%)* HIV-infected patients. *When compared to REYATAZ 300 mg and ritonavir 100 mg without nevirapine. This decrease in atazanavir Cmin might negatively impact the efficacy of atazanavir. The mechanism of nevirapine/atazanavir interaction is CYP3A4 induction. Integrase Inhibitors Raltegravir 400 mg twice Raltegravir AUC: ↑41% No dose adjustment required daily Raltegravir Cmax: ↑24% for raltegravir. (atazanavir/ritonavir) Raltegravir C12hr: ↑77%

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir (HOS-088083) tenofovir disoproxil (HOS-108843) fumarate (HOS-108845) efavirenz (HOS-087947) tenofovir disoproxil fumarate (HOS-110471) raltegravir (HOS-086187) nevirapine (HOS-088064) ritonavir (HOS-084521)

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Version 2026-06-29T13:00:00Z · SHA-256 ff5481974bd7c752b73fa0c147cf3e96fc892edc735359fa71817833db471beb · Passage 2529640408b48ec38f79f5dff34d0e67815def643a3690b8554f5a5e2543b477 · Zeichen 16147–19757 im Abschnitt

Wechselwirkungen · Reyataz

REYATAZ 50 mg oral powder · Abschnitt 4.5 · PDF-Seite 50–51

HOS-112181 · Präparat HOS-093615

50 Medicinal products by Interaction Recommendations therapeutic area concerning co-administration Rifampicin Rifampicin is a strong CYP3A4 inducer The combination of rifampicin and has been shown to cause a 72% and REYATAZ is decrease in atazanavir AUC which can contraindicated (see result in virological failure and resistance section 4.3). development. During attempts to overcome the decreased exposure by increasing the dose of REYATAZ or other protease inhibitors with ritonavir, a high frequency of liver reactions was seen. ANTIPSYCHOTICS Quetiapine Due to CYP3A4 inhibition by REYATAZ, Co-administration of concentrations of quetiapine are expected quetiapine with REYATAZ is to increase. contraindicated as REYATAZ may increase quetiapine- related toxicity. Increased plasma concentrations of quetiapine may lead to coma (see section 4.3). Lurasidone REYATAZ is expected to increase plasma Co-administration of levels of lurasidone due to CYP3A4 lurasidone with REYATAZ is inhibition. contraindicated as this may increase lurasidone-related toxicity (see section 4.3). ACID REDUCING AGENTS H2-Receptor antagonists Without Tenofovir In HIV-infected patients with atazanavir/ritonavir at the recommended For patients not taking dose 300/100 mg once daily tenofovir, if REYATAZ Famotidine 20 mg twice daily Atazanavir AUC: ↓18% (↓25% ↑1%) 300 mg/ritonavir 100 mg and Atazanavir Cmax: ↓20% (↓32% ↓7%) H2-receptor antagonists are co- Atazanavir Cmin: ↔1% (↓16% ↑18%) administered, a dose equivalent to famotidine 20 mg twice Famotidine 40 mg twice daily Atazanavir AUC: ↓23% (↓32% ↓14%) daily should not be exceeded. Atazanavir Cmax: ↓23% (↓33% ↓12%) If a higher dose of an H2- Atazanavir Cmin: ↓20% (↓31% ↓8%) receptor antagonist is required In healthy volunteers with atazanavir/ritonavir at an increased dose (e.g., famotidine 40 mg twice of 400/100 mg once daily daily or equivalent) an increase Famotidine 40 mg twice daily Atazanavir AUC: ↔3% (↓14% ↑22%) of the REYATAZ/ritonavir Atazanavir Cmax: ↔2% (↓13% ↑8%) dose from 300/100 mg to Atazanavir Cmin: ↓14% (↓32% ↑8%) 400/100 mg can be considered. With Tenofovir disoproxil fumarate 300 mg once daily (equivalent to 245 mg tenofovir disoproxil) In HIV-infected patients with atazanavir/ritonavir at the recommended dose For patients who are taking of 300/100 mg once daily tenofovir disoproxil Famotidine 20 mg twice daily Atazanavir AUC: ↓21% (↓34% ↓4%)* fumarate, if Atazanavir Cmax: ↓21% (↓36% ↓4%)* REYATAZ/ritonavir with both Atazanavir Cmin: ↓19% (↓37% ↑5%)* tenofovir disoproxil fumarate and an H2-receptor antagonist Famotidine 40 mg twice daily Atazanavir AUC: ↓24% (↓36% ↓11%)* are co-administered, a dose Atazanavir Cmax: ↓23% (↓36% ↓8%)* increase of REYATAZ to Atazanavir Cmin: ↓25% (↓47% ↑7%)* 400 mg with 100 mg of In HIV-infected patients with atazanavir/ritonavir at an increased dose ritonavir is recommended. A of 400/100 mg once daily dose equivalent to famotidine Famotidine 20 mg twice daily Atazanavir AUC: ↑18% (↑6.5% ↑30%)* 40 mg twice daily should not Atazanavir Cmax: ↑18% (↑6.7% ↑31%)* be exceeded. Atazanavir Cmin: ↑24% (↑10% ↑39%)*

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir (HOS-088083) quetiapine (HOS-086150) protease (HOS-085623) famotidine (HOS-112087) tenofovir disoproxil (HOS-108843) lead (HOS-085592) fumarate (HOS-108845) tenofovir disoproxil fumarate (HOS-110471) ritonavir (HOS-084521) lurasidone (HOS-086148)

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Version 2026-06-29T13:00:00Z · SHA-256 ff5481974bd7c752b73fa0c147cf3e96fc892edc735359fa71817833db471beb · Passage d69eeb45d796d1cd8f98e48958156005dc8ba777a37e1a215ebb755a767192dc · Zeichen 30340–35663 im Abschnitt

Wechselwirkungen · Reyataz

REYATAZ 50 mg oral powder · Abschnitt 4.5 · PDF-Seite 51–52

HOS-112182 · Präparat HOS-093615

51 Medicinal products by Interaction Recommendations therapeutic area concerning co-administration Famotidine 40 mg twice daily Atazanavir AUC: ↔2.3% (↓13% ↑10%)* Atazanavir Cmax: ↔5% (↓17% ↑8.4%)* Atazanavir Cmin: ↔1.3% (↓10% ↑15)* *When compared to atazanavir 300 mg once daily with ritonavir 100 mg once daily and tenofovir disoproxil fumarate 300 mg all as a single dose with food. When compared to atazanavir 300 mg with ritonavir 100 mg without tenofovir disoproxil fumarate,, atazanavir concentrations are expected to be additionally decreased by about 20%.

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir (HOS-088083) famotidine (HOS-112087) fumarate (HOS-108845) tenofovir disoproxil fumarate (HOS-110471) ritonavir (HOS-084521)

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Version 2026-06-29T13:00:00Z · SHA-256 ff5481974bd7c752b73fa0c147cf3e96fc892edc735359fa71817833db471beb · Passage 2052af8108a80318b3cccb01a97ff4ba8440a5a6e22ac83aa15556f86a729697 · Zeichen 35722–36749 im Abschnitt

Wechselwirkungen · Isentress

ISENTRESS 400 mg film-coated tablets · Abschnitt 4.5 · PDF-Seite 7

HOS-119074 · Präparat HOS-094905

etravirine AUC  10 % etravirine C12hr  17 % etravirine Cmax  4 % Nucleoside/tide reverse transcriptase inhibitors tenofovir disoproxil fumarate raltegravir AUC  49 % No dose adjustment required (raltegravir 400 mg Twice Daily) raltegravir C12hr  3 % for raltegravir or tenofovir raltegravir Cmax ↑ 64 % disoproxil fumarate.

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir (HOS-088083) etravirine (HOS-088088) fumarate (HOS-108845) tenofovir disoproxil fumarate (HOS-110471)

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Version 2025-11-17T13:16:00Z · SHA-256 6b95e5ffe7a0fcf11532bc18fa0933606a4dfe39d9d876e4b916acb6d89e55cc · Passage 881d4462d52eb8570be13969614f19fb5d4db420bd37a3f3b99cefccf74096f0 · Zeichen 6515–7003 im Abschnitt

Wechselwirkungen · Isentress

ISENTRESS 600 mg film-coated tablets · Abschnitt 4.5 · PDF-Seite 29

HOS-119134 · Präparat HOS-094905

In drug interaction studies performed using raltegravir 400 mg twice daily, raltegravir did not have a clinically meaningful effect on the pharmacokinetics of etravirine, maraviroc, tenofovir disoproxil fumarate, hormonal contraceptives, methadone, midazolam or boceprevir. These findings can be extended to raltegravir 1,200 mg once daily and no dosage adjustment is required for these agents.

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): methadone (HOS-086198) etravirine (HOS-088088) tenofovir disoproxil (HOS-108843) boceprevir (HOS-090617) maraviroc (HOS-086186) fumarate (HOS-108845) midazolam (HOS-086167)

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Version 2025-11-17T13:16:00Z · SHA-256 6b95e5ffe7a0fcf11532bc18fa0933606a4dfe39d9d876e4b916acb6d89e55cc · Passage e3dde6ea7dd2eac6b5635674365bf53e12d9474eaf7c2520f07a29318f738e82 · Zeichen 1294–1688 im Abschnitt

Wechselwirkungen · Isentress

ISENTRESS 600 mg film-coated tablets · Abschnitt 4.5 · PDF-Seite 29

HOS-119143 · Präparat HOS-094905

Previous studies of raltegravir 400 mg twice daily showed that co-administration of tenofovir disoproxil fumarate (a component of emtricitabine/tenofovir disoproxil fumarate) increased raltegravir exposure. Emtricitabine/tenofovir disoproxil fumarate was identified to increase raltegravir 1,200 mg

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir (HOS-088083) fumarate (HOS-108845) tenofovir disoproxil fumarate (HOS-110471) emtricitabine (HOS-085840)

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Version 2025-11-17T13:16:00Z · SHA-256 6b95e5ffe7a0fcf11532bc18fa0933606a4dfe39d9d876e4b916acb6d89e55cc · Passage 275469c6723c1e5d5c26b8aedca59d88eab8786e70b5203f4e04984353ef1a83 · Zeichen 4824–5122 im Abschnitt

Wechselwirkungen · Isentress

ISENTRESS 600 mg film-coated tablets · Abschnitt 4.5 · PDF-Seite 31

HOS-119156 · Präparat HOS-094905

tenofovir AUC  10% tenofovir C24hr  13% No dose adjustment required tenofovir Cmax ↓ 23% for raltegravir (400 mg twice emtricitabine and tenofovir Population PK analysis showed daily and 1,200 mg once daily) or tenofovir disoproxil disoproxil fumarate that the effect of emtricitabine/tenofovir fumarate. (raltegravir 1,200 mg (2 x 600 mg) Once Daily) disoproxil fumarate on raltegravir pharmacokinetics was minimal (12% increase in relative bioavailability), and was not statistically or clinically significant.

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir (HOS-088083) tenofovir disoproxil (HOS-108843) fumarate (HOS-108845) emtricitabine (HOS-085840)

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Version 2025-11-17T13:16:00Z · SHA-256 6b95e5ffe7a0fcf11532bc18fa0933606a4dfe39d9d876e4b916acb6d89e55cc · Passage c64b39052f9c3c1693753c333ecbde674ac0c74bcde262337470853c0e47b9f7 · Zeichen 9606–10659 im Abschnitt

Wechselwirkungen · Isentress

ISENTRESS 25 mg chewable tablets ISENTRESS 100 mg chewable tablets · Abschnitt 4.5 · PDF-Seite 56

HOS-119231 · Präparat HOS-094905

etravirine AUC  10 % etravirine C12hr  17 % etravirine Cmax  4 % Nucleoside/tide reverse transcriptase inhibitors tenofovir disoproxil fumarate raltegravir AUC  49 % No dose adjustment required (raltegravir 400 mg Twice Daily) raltegravir C12hr  3 % for raltegravir or tenofovir raltegravir Cmax ↑ 64 % disoproxil fumarate.

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir (HOS-088083) etravirine (HOS-088088) fumarate (HOS-108845) tenofovir disoproxil fumarate (HOS-110471)

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Version 2025-11-17T13:16:00Z · SHA-256 6b95e5ffe7a0fcf11532bc18fa0933606a4dfe39d9d876e4b916acb6d89e55cc · Passage 881d4462d52eb8570be13969614f19fb5d4db420bd37a3f3b99cefccf74096f0 · Zeichen 6526–7014 im Abschnitt

Wechselwirkungen · Isentress

ISENTRESS 100 mg granules for oral suspension · Abschnitt 4.5 · PDF-Seite 80

HOS-119302 · Präparat HOS-094905

etravirine AUC  10 % etravirine C12hr  17 % etravirine Cmax  4 % Nucleoside/tide reverse transcriptase inhibitors tenofovir disoproxil fumarate raltegravir AUC  49 % No dose adjustment required (raltegravir 400 mg Twice Daily) raltegravir C12hr  3 % for raltegravir or tenofovir raltegravir Cmax ↑ 64 % disoproxil fumarate.

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir (HOS-088083) etravirine (HOS-088088) fumarate (HOS-108845) tenofovir disoproxil fumarate (HOS-110471)

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Version 2025-11-17T13:16:00Z · SHA-256 6b95e5ffe7a0fcf11532bc18fa0933606a4dfe39d9d876e4b916acb6d89e55cc · Passage 881d4462d52eb8570be13969614f19fb5d4db420bd37a3f3b99cefccf74096f0 · Zeichen 6231–6719 im Abschnitt

Wechselwirkungen · Tecfidera

Tecfidera 120 mg gastro-resistant hard capsules Tecfidera 240 mg gastro-resistant hard capsules · Abschnitt 4.5 · PDF-Seite 7

HOS-127574 · Präparat HOS-096433

In humans, dimethyl fumarate is extensively metabolised by esterases before it reaches the systemic circulation and further metabolism occurs through the tricarboxylic acid cycle, with no involvement of the cytochrome P450 (CYP) system. Potential interaction risks were not identified from in vitro CYP- inhibition and induction studies, a p-glycoprotein study, or studies of the protein binding of dimethyl fumarate and monomethyl fumarate (the primary metabolite of dimethyl fumarate).

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): fumarate (HOS-108845) monomethyl fumarate (HOS-127576)

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Version 2025-01-06T16:30:00Z · SHA-256 c529e0432acf9767ce48e42408ea2f72e957004be1c6f8e00714d8bd22b2a5fe · Passage 1ec4bb3a34ec21574c5b2e3709b96553d947e84f1c05abc8384e0c0a64ffb46d · Zeichen 2001–2488 im Abschnitt

Wechselwirkungen · Harvoni

Harvoni 90 mg/400 mg film-coated tablets Harvoni 45 mg/200 mg film-coated tablets · Abschnitt 4.5 · PDF-Seite 12

HOS-132224 · Präparat HOS-097208

Expected: ↔ Sofosbuvir ↔ GS-331007 HIV ANTIVIRAL AGENTS: REVERSE TRANSCRIPTASE INHIBITORS Efavirenz/ emtricitabine/ Efavirenz No dose adjustment of Harvoni or efavirenz/ tenofovir disoproxil ↔ Cmax 0.87 (0.79, 0.97) emtricitabine/ tenofovir disoproxil fumarate is fumarate ↔ AUC 0.90 (0.84, 0.96) required. (600 mg/ 200 mg/ 300 mg/ ↔ Cmin 0.91 (0.83, 0.99) once daily)/ ledipasvir (90 mg once daily)c/ Emtricitabine sofosbuvir (400 mg once ↔ Cmax 1.08 (0.97, 1.21) daily)c, d ↔ AUC 1.05 (0.98, 1.11) ↔ Cmin 1.04 (0.98, 1.11)

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir disoproxil (HOS-108843) fumarate (HOS-108845) efavirenz (HOS-087947) tenofovir disoproxil fumarate (HOS-110471) emtricitabine (HOS-085840)

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Version 2022-11-10T14:39:00Z · SHA-256 5d503d87078c6a22bb188ba98b9837581fe648589d1f57d0325892e2bbaabbb1 · Passage 930e244e06b3d55169ce9fcb691836bb5c16c1b91a8bd1572967d18fea8d17dd · Zeichen 14180–14843 im Abschnitt

Wechselwirkungen · Harvoni

Harvoni 90 mg/400 mg film-coated tablets Harvoni 45 mg/200 mg film-coated tablets · Abschnitt 4.5 · PDF-Seite 12–13

HOS-132231 · Präparat HOS-097208

12 Medicinal product by Effects on medicinal Recommendation concerning co-administration therapeutic areas product levels. with Harvoni Mean ratio (90% confidence interval) for AUC, Cmax, Cmina, b Emtricitabine/ rilpivirine/ Emtricitabine No dose adjustment of Harvoni or emtricitabine/ tenofovir disoproxil ↔ Cmax 1.02 (0.98, 1.06) rilpivirine/ tenofovir disoproxil fumarate is fumarate ↔ AUC 1.05 (1.02, 1.08) required. (200 mg/ 25 mg/ 300 mg ↔ Cmin 1.06 (0.97, 1.15) once daily)/ ledipasvir (90 mg once daily)c/ Rilpivirine sofosbuvir (400 mg once ↔ Cmax 0.97 (0.88, 1.07) daily)c, d ↔ AUC 1.02 (0.94, 1.11) ↔ Cmin 1.12 (1.03, 1.21)

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir disoproxil (HOS-108843) fumarate (HOS-108845) rilpivirine (HOS-088090) tenofovir disoproxil fumarate (HOS-110471) emtricitabine (HOS-085840)

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Version 2022-11-10T14:39:00Z · SHA-256 5d503d87078c6a22bb188ba98b9837581fe648589d1f57d0325892e2bbaabbb1 · Passage a559760adca24d69fc073a66d500f39ce065ec749550bb818e89052fe84dcf57 · Zeichen 15636–16548 im Abschnitt

Wechselwirkungen · Harvoni

Harvoni 90 mg/400 mg film-coated tablets Harvoni 45 mg/200 mg film-coated tablets · Abschnitt 4.5 · PDF-Seite 14

HOS-132241 · Präparat HOS-097208

GS-331007 ↔ Cmax 1.13 (1.08, 1.19) ↔ AUC 1.23 (1.18, 1.29) ↔ Cmin 1.28 (1.21, 1.36) Atazanavir boosted with Atazanavir When given with tenofovir disoproxil fumarate used ritonavir (300 mg/ 100 mg ↔ Cmax 1.07 (0.99, 1.14) in conjunction with atazanavir/ritonavir, Harvoni once daily) + emtricitabine/ ↔ AUC 1.27 (1.18, 1.37) increased the concentration of tenofovir. tenofovir disoproxil ↑ Cmin 1.63 (1.45, 1.84) fumarate (200 mg/ 300 mg The safety of tenofovir disoproxil fumarate in the once daily)/ ledipasvir Ritonavir setting of Harvoni and a pharmacokinetic enhancer (90 mg once daily)c/ ↔ Cmax 0.86 (0.79, 0.93) (e.g. ritonavir or cobicistat) has not been sofosbuvir (400 mg once ↔ AUC 0.97 (0.89, 1.05) established. daily)c, d ↑ Cmin 1.45 (1.27, 1.64) The combination should be used with caution with Dosed simultaneouslyf Emtricitabine frequent renal monitoring, if other alternatives are ↔ Cmax 0.98 (0.94, 1.02) not available (see section 4.4). ↔ AUC 1.00 (0.97, 1.04) ↔ Cmin 1.04 (0.96, 1.12) Atazanavir concentrations are also increased, with a risk for an increase in bilirubin levels/icterus. That Tenofovir risk is even higher if ribavirin is used as part of the ↑ Cmax 1.47 (1.37, 1.58) HCV treatment. ↔ AUC 1.35 (1.29, 1.42) ↑ Cmin 1.47 (1.38, 1.57)

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir (HOS-088083) atazanavir (HOS-086180) cobicistat (HOS-088111) tenofovir disoproxil (HOS-108843) ribavirin (HOS-088127) fumarate (HOS-108845) tenofovir disoproxil fumarate (HOS-110471) ritonavir (HOS-084521) emtricitabine (HOS-085840)

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Version 2022-11-10T14:39:00Z · SHA-256 5d503d87078c6a22bb188ba98b9837581fe648589d1f57d0325892e2bbaabbb1 · Passage b3a267dfa6c6fe2a6060e8366ff7ee2223f8568c795a4d6dabbbcb66bac5a2b3 · Zeichen 19580–21475 im Abschnitt

Wechselwirkungen · Harvoni

Harvoni 90 mg/400 mg film-coated tablets Harvoni 45 mg/200 mg film-coated tablets · Abschnitt 4.5 · PDF-Seite 15

HOS-132247 · Präparat HOS-097208

GS-331007 ↔ Cmax 0.97 (0.90, 1.05) ↔ AUC 1.24 (1.18, 1.30) Darunavir boosted with Darunavir When given with darunavir/ritonavir used in ritonavir (800 mg/ 100 mg ↔ Cmax 1.01 (0.96, 1.06) conjunction with tenofovir disoproxil fumarate, once daily) + emtricitabine/ ↔ AUC 1.04 (0.99, 1.08) Harvoni increased the concentration of tenofovir. tenofovir disoproxil ↔ Cmin 1.08 (0.98, 1.20) fumarate (200 mg/ 300 mg The safety of tenofovir disoproxil fumarate in the once daily)/ ledipasvir Ritonavir setting of Harvoni and a pharmacokinetic enhancer (90 mg once daily)c/ ↔ Cmax 1.17 (1.01, 1.35) (e.g. ritonavir or cobicistat) has not been sofosbuvir (400 mg once ↔ AUC 1.25 (1.15, 1.36) established. daily)c, d ↑ Cmin 1.48 (1.34, 1.63) The combination should be used with caution with Dosed simultaneouslyf Emtricitabine frequent renal monitoring, if other alternatives are ↔ Cmax 1.02 (0.96, 1.08) not available (see section 4.4). ↔ AUC 1.04 (1.00, 1.08) ↔ Cmin 1.03 (0.97, 1.10)

Originalpassage; keine automatisch abgeleitete Schwere, Häufigkeit oder Kausalität. Auch verneinte Befunde und nicht untersuchte Kombinationen bleiben sichtbar.

RxNorm-Namen im Text (wörtliche Treffer, Rolle nicht bewertet): tenofovir (HOS-088083) cobicistat (HOS-088111) tenofovir disoproxil (HOS-108843) fumarate (HOS-108845) darunavir (HOS-086181) tenofovir disoproxil fumarate (HOS-110471) ritonavir (HOS-084521) emtricitabine (HOS-085840)

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Version 2022-11-10T14:39:00Z · SHA-256 5d503d87078c6a22bb188ba98b9837581fe648589d1f57d0325892e2bbaabbb1 · Passage de81a39daa19e59fe5d31271fac488e87aa1e28fbf50a2af0cff704b2ad62c51 · Zeichen 23531–24899 im Abschnitt

This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.