Approval Probability
TA Base Rate
Adjusted LOA
ML Risk
Raltegravir · 5 trials · 2 indications
Percentage of participants who achieved HIV RNA \<400 copies/mL at Week 16
Percentage of participants who achieved HIV RNA \<400 copies/mL at Week 48
Percentage of participants who achieved HIV RNA \<400 copies/mL at Week 156
Percentage of participants who achieved HIV RNA \<400 Copies/mL at Week 240
In Period 1 participants were treated with 1200 mg raltegravir alone; followed by Period 2 where participants were treated with 1200 mg raltegravir and three tablets of TUMS Ultra Strength (US) 1000 taken orally concomitantly; followed by Period 3 where participants were treated with 1200 mg raltegravir and 12 hours later with 20 mL Leader Antacid Maximum Strength (MS) taken orally; followed by Period 4 where participants were treated with 1200 mg raltegravir and 12 hours later with three tablets of TUMS US 1000 taken orally. The wait between Periods was a maximum of 7 days, during which participants were treated with 1200 mg raltegravir once daily. To determine the plasma concentration of raltegravir, blood samples were collected from pre-dose up to 24 hours post-dose, and analysis of variance (ANOVA) modeling was performed on natural log-transformed values to derive geometric least-squares means.
In Period 1 participants were treated with 1200 mg raltegravir alone; followed by Period 2 where participants were treated with 1200 mg raltegravir and three tablets of TUMS US 1000 taken orally concomitantly; followed by Period 3 where participants were treated with 1200 mg raltegravir and 12 hours later with 20 mL Leader Antacid MS taken orally; followed by Period 4 where participants were treated with 1200 mg raltegravir and 12 hours later with three tablets of TUMS US 1000 taken orally. The wait between Periods was a maximum of 7 days, during which participants were treated with 1200 mg raltegravir once daily. To determine the plasma concentration of raltegravir, blood samples were collected from pre-dose up to 24 hours post-dose, and ANOVA modeling was performed on natural log-transformed values to derive geometric least-squares means.
In Period 1 participants were treated with 1200 mg raltegravir alone; followed by Period 2 where participants were treated with 1200 mg raltegravir and three tablets of TUMS US 1000 taken orally concomitantly; followed by Period 3 where participants were treated with 1200 mg raltegravir and 12 hours later with 20 mL Leader Antacid MS taken orally; followed by Period 4 where participants were treated with 1200 mg raltegravir and 12 hours later with three tablets of TUMS US 1000 taken orally. The wait between Periods was a maximum of 7 days, during which participants were treated with 1200 mg raltegravir once daily. To determine the plasma concentration of raltegravir, blood samples were collected at 24 hours post-dose, and ANOVA modeling was performed on natural log-transformed values to derive geometric least-squares means.
Blood was drawn 12 hours after dosing with raltegravir in order to determine the geometric mean plasma concentration.
Blood was drawn at time 0, and at various intervals up to 12 hours after dosing with raltegravir in order to determine the geometric mean area under the curve plasma concentration versus time.
Blood was drawn at time 0, and at various intervals up to 12 hours after dosing with raltegravir, in order to determine the geometric mean maximum plasma concentration.
Blood was drawn 12 hours after dosing with raltegravir in order to determine the geometric mean plasma concentration.
Blood was drawn at time 0, and at various intervals up to 12 hours after dosing with raltegravir, in order to determine the geometric mean area under the curve plasma concentration versus time.
Blood was drawn at time 0, and at various intervals up to 12 hours after dosing with raltegravir, in order to determine the geometric mean maximum plasma concentration.
Participant blood samples were collected to measure the steady state plasma concentration of raltegravir 12 hours after administration alone or with a single dose of antacid. The primary hypothesis compared C12hrs of raltegravir when administered alone with C12hrs of raltegravir when coadministered with TUMS® or MINTOX®.
Participant blood samples were collected to measure the steady state plasma concentration of raltegravir 12 hours after administration alone or before or after a single dose of antacid. The secondary hypothesis compared C12hrs of raltegravir when administered alone with C12hrs of raltegravir when administered 2 hours before or after MINTOX®.
Participant blood samples were collected to measure the steady state AUC of raltegravir up to 12 hours after administration alone or with a single dose of antacid. The primary hypothesis compared AUC0-12hrs of raltegravir when administered alone with AUC0-12hrs of raltegravir when coadministered with TUMS® or MINTOX®.
Participant blood samples were collected to measure the steady state AUC of raltegravir up to 12 hours after administration alone or before or after a single dose of antacid. The secondary hypothesis compared AUC0-12hrs of raltegravir when administered alone with AUC0-12hrs of raltegravir when administered 2 hours before or after MINTOX®.
Participant blood samples were collected to measure the steady state maximum plasma concentration of raltegravir when administered alone or with a single dose of antacid. The primary hypothesis compared Cmax of raltegravir when administered alone with Cmax of raltegravir when coadministered with TUMS® or MINTOX®.
Participant blood samples were collected to measure the maximum steady state plasma concentration of raltegravir after administration alone or before or after a single dose of antiacid. The secondary hypothesis compared Cmax of raltegravir when administered alone with Cmax of raltegravir when administered 2 hours before or after MINTOX®.
Participant blood samples were collected to measure the time to achieve the maximum steady state plasma concentration of raltegravir when administered alone or with a single dose of antacid
An AE is defined as any unfavorable and unintended change in the structure, function, or chemistry of the body temporally associated with the use of the study drug, whether or not considered related to the use of the product. Any worsening of a preexisting condition which is temporally associated with the use of the study drug is also an adverse experience.
| Arm | Type | Description |
|---|---|---|
| 1 | EXPERIMENTAL | raltegravir potassium |
| 2 | PLACEBO_COMPARATOR | Placebo |
| Raltegravir Pre- and 4 Period Sequence | EXPERIMENTAL | Starting five days prior to Period 1 participants will be treated with 1200 mg raltegravir, once daily for five days. In Period 1 participants will be treated with 1200 raltegravir alone; this is followed by Period 2 where participants will be treated with 1200 mg raltegravir and TUMS concomitantly; this is followed by Period 3 where participants will be treated with 1200 mg raltegravir and 12 hours later with Leader Antacid; followed by Period 4 where participants will be treated with 1200 mg raltegravir and 12 hours later with TUMS. The wait between Periods is 2-7 days. |
| Ralt→MAL4Ralt→Ralt4MAL→MAL6Ralt→Ralt6MAL | EXPERIMENTAL | Part 1 was comprised of periods 1, 2 and 3; Part 2 was comprised of periods 4 and 5; with each study period separated by a washout period of at least 2 days. Part 1 was separated from Part 2 by a Pause. Each period had single oral dose treatments as follows: Raltegravir (Ralt) alone in Period 1, MAALOX (MAL) followed 4 hrs later by Ralt in Period 2, Ralt followed 4 hrs later by MAL in Period 3, MAL followed 6 hrs later by Ralt in Period 4, Ralt followed 6 hrs later by MAL in Period 5 |
| MAL4Ralt→Ralt4MAL→Ralt→MAL6Ralt→Ralt6MAL | EXPERIMENTAL | Part 1 was comprised of periods 1, 2 and 3; Part 2 was comprised of periods 4 and 5; with each study period separated by a washout period of at least 2 days. Part 1 was separated from Part 2 by a Pause. Each period had single oral dose treatments as follows: MAL followed 4 hrs later by Ralt in Period 1, Ralt followed 4 hrs later by MAL in Period 2, Ralt alone in Period 3, MAL followed 6 hrs later by Ralt in Period 4, Ralt followed 6 hrs later by MAL in Period 5 |
| Ralt4MAL→Ralt→MAL4Ralt→MAL6Ralt→Ralt6MAL | EXPERIMENTAL | Part 1 was comprised of periods 1, 2 and 3; Part 2 was comprised of periods 4 and 5; with each study period separated by a washout period of at least 2 days. Part 1 was separated from Part 2 by a Pause. Each period had single oral dose treatments as follows: Ralt followed 4 hrs later by MAL in Period 1, Ralt alone in Period 2, MAL followed 4 hrs later by Ralt in Period 3, MAL followed 6 hrs later by Ralt in Period 4, Ralt followed 6 hrs later by MAL in Period 5 |
| Ralt→Ralt4MAL→MAL4Ralt→Ralt6MAL→MAL6Ralt | EXPERIMENTAL | Part 1 was comprised of periods 1, 2 and 3; Part 2 was comprised of periods 4 and 5; with each study period separated by a washout period of at least 2 days. Part 1 was separated from Part 2 by a Pause. Each period had single oral dose treatments as follows: Ralt alone in Period 1, Ralt followed 4 hrs later by MAL in Period 2, MAL followed 4 hrs later by Ralt in Period 3, Ralt followed 6 hrs later by MAL in Period 4, MAL followed 6 hrs later by Ralt in Period 5 |
| MAL4Ralt→Ralt→Ralt4MAL→Ralt6MAL→MAL6Ralt | EXPERIMENTAL | Part 1 was comprised of periods 1, 2 and 3; Part 2 was comprised of periods 4 and 5; with each study period separated by a washout period of at least 2 days. Part 1 was separated from Part 2 by a Pause. Each period had single oral dose treatments as follows: MAL followed 4 hrs later by Ralt in Period 1, Ralt alone in Period 2, Ralt followed 4 hrs later by MAL in Period 3, Ralt followed 6 hrs later by MAL in Period 4, MAL followed 6 hrs later by Ralt in Period 5 |
| Ralt4MAL→MAL4Ralt→Ralt→Ralt6MAL→MAL6Ralt | EXPERIMENTAL | Part 1 was comprised of periods 1, 2 and 3; Part 2 was comprised of periods 4 and 5; with each study period separated by a washout period of at least 2 days. Part 1 was separated from Part 2 by a Pause. Each period had single oral dose treatments as follows: Ralt followed 4 hrs later by MAL in Period 1, MAL followed 4 hrs later by Ralt in Period 2, Ralt alone in Period 3, Ralt followed 6 hrs later by MAL in Period 4, MAL followed 6 hrs later by Ralt in Period 5 |
| RAL, TUMS+RAL, MINTOX+RAL, MINTOX Before RAL, MINTOX After RAL | EXPERIMENTAL | Participants received Raltegravir in treatment period 1, followed by TUMS® + Raltegravir in treatment period 2, followed by MINTOX® + Raltegravir in treatment period 3, followed by MINTOX® 2 hours before Raltegravir in treatment period 4, followed by MINTOX® 2 hours After Raltegravir in treatment period 5. There was a 2-day washout between treatment periods. |
| TUMS+RAL, MINTOX+RAL, RAL, MINTOX Before RAL, MINTOX After RAL | EXPERIMENTAL | Participants received TUMS® + Raltegravir in treatment period 1, followed by MINTOX® + Raltegravir in treatment period 2, followed by Raltegravir in treatment period 3, followed by MINTOX® 2 hours before Raltegravir in treatment period 4, followed by MINTOX® 2 hours after Raltegravir in treatment period 5. There was a minimum 2-day washout between treatment periods. |
| MINTOX+RAL, RAL, TUMS+RAL, MINTOX Before RAL, MINTOX After RAL | EXPERIMENTAL | Participants received MINTOX® + Raltegravir in treatment period 1, followed by Raltegravir in treatment period 2, followed by TUMS® + Raltegravir in treatment period 3, followed by MINTOX® 2 hours before Raltegravir in treatment period 4, followed by MINTOX® 2 hours after Raltegravir in treatment period 5. There was a minimum 2-day washout between treatment periods. |
| RAL, MINTOX+RAL, TUMS+RAL, MINTOX After RAL, MINTOX Before RAL | EXPERIMENTAL | Participants received Raltegravir in treatment period 1, followed by MINTOX® + Raltegravir in treatment period 2, followed by TUMS® + Raltegravir in treatment period 3, followed by MINTOX® 2 hours after Raltegravir in treatment period 4, followed by MINTOX® 2 hours before Raltegravir in treatment period 5. There was a minimum 2-day washout between treatment periods. |
| TUMS+RAL, RAL, MINTOX+RAL, MINTOX After RAL, MINTOX Before RAL | EXPERIMENTAL | Participants received TUMS® + Raltegravir in treatment period 1, followed by Raltegravir in treatment period 2, followed by MINTOX® + Raltegravir in treatment period 3, followed by MINTOX® 2 hours after Raltegravir in treatment period 4, followed by MINTOX® 2 hours before Raltegravir in treatment period 5. There was a minimum 2-day washout between treatment periods. |
| MINTOX+RAL, TUMS+RAL, RAL, MINTOX After RAL, MINTOX Before RAL | EXPERIMENTAL | Participants received MINTOX® + Raltegravir in treatment period 1, followed by TUMS® + Raltegravir in treatment period 2, followed by Raltegravir in treatment period 3, followed by MINTOX® 2 hours after Raltegravir in treatment period 4, followed by MINTOX® 2 hours before Raltegravir in treatment period 5. There was a minimum 2-day washout between treatment periods. |
| Name | Type | Description |
|---|---|---|
| raltegravir potassium | DRUG | Raltegravir 400 mg twice daily (b.i.d.) by mouth (p.o.) with optimized background therapy. Treatment period of 48 weeks. |
| Comparator: placebo | DRUG | Placebo p.o. b.i.d. with optimized background therapy. Treatment period of 48 weeks. |
| Raltegravir 1200 mg | DRUG | Two tablets of 600 mg raltegravir administered orally, once daily, over 5 days of Pre-treatment, and once at the start of Periods 1-4. |
| TUMS | DRUG | Three tablets of TUMS Ultra Strength (US) 1000, taken orally, concomitantly with raltegravir in Period 2, and 12 hours after raltegravir in Period 4 |
| Leader Antacid | DRUG | 20 mL Leader Antacid Maximum Strength (MS) taken orally 12 hours after raltegravir, in Period 3 |
| Raltegravir (ISENTRESS™) | DRUG | Raltegravir 400 mg oral tablet once every 12 hours. Participants will continue with their other prescribed antiretroviral agents throughout the study. |
| MAALOX (MAL) | DRUG | MAL (or generic equivalent) 20 mL oral single dose on Day 1 |
| Raltegravir | DRUG | Raltegravir 400 mg oral tablet taken with 240 mL water every 12 hours Throughout the study, participants will continue to take raltegravir along with their other HIV medications. On the day of co-dosing and intensive pharmacokinetic (PK) sampling, raltegravir will be dosed in the morning in a fasted state in all periods. |
| TUMS® Ultra Strength | DRUG | 3 tablets TUMS® Ultra Strength (US) 1000 mg Throughout the study, participants will continue to take raltegravir every 12 hours along with their other HIV medications. There will be a minimum of 2 days washout between treatment periods. On the day of co-dosing and intensive PK sampling, raltegravir will be dosed in the morning in a fasted state in all periods. |
| MINTOX® Maximum Strength | DRUG | 20 mL MINTOX® Maximum Strength (MS) Throughout the study, participants will continue to take raltegravir every 12 hours along with their other HIV medications. There will be a minimum of 2 days washout between treatment periods. On the day of co-dosing and intensive PK sampling, raltegravir will be dosed in the morning in a fasted state in all periods. |
Inclusion Criteria: * Patient must be HIV positive with HIV RNA values that are within ranges required by the study * Patient must have documented failure of certain antiretroviral therapy * Patient must be on the same antiretroviral therapy for at least the past two months Exclusion Criteria: * ...
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Raltegravir is used for the treatment of Human Immunodeficiency Virus (HIV) infection. It is a small molecule developed by Merck & Company, Inc. (MRK) that has been studied in HIV-infected patients failing current antiretroviral therapies.
Raltegravir is developed by Merck & Company, Inc., which trades on the New York Stock Exchange under the ticker MRK. The company has conducted clinical trials to evaluate the safety and efficacy of raltegravir in HIV-infected patients.
Raltegravir has completed Phase 3 clinical trials. It is an investigational drug that has been studied in HIV-infected patients. The completed trials include two Phase 3 studies and two Phase 1 pharmacokinetic studies.
Raltegravir has been studied in four completed clinical trials. The Phase 3 trials are NCT00293254 and NCT00293267, which evaluated safety and efficacy in HIV-infected patients failing current antiretroviral therapies. The Phase 1 trials are NCT01622673 and NCT01930045, which evaluated the effect of antacids on raltegravir.
Yes, raltegravir is also known as MK0518. The clinical trials for raltegravir, such as NCT00293254 and NCT00293267, reference MK0518 in their titles, confirming that MK0518 is an alternative name for raltegravir.