HIV-1 InfectionPhase 1NCT03351699
Single-Dose Study of MK-4250 Monotherapy in Anti-Retroviral Therapy-Naive, Human Immunodeficiency Virus (HIV)-1 Infected Participants (MK-4250-002)
A Phase 1 study testing MK-4250 in people with HIV-1 Infection, run by Merck Sharp & Dohme LLC at 1 site in Germany.
Trial summary
The study will evaluate the safety, tolerability, pharmacokinetics, and anti-retroviral activity of MK-4250 monotherapy in anti-retroviral therapy (ART)-naïve, HIV-1 infected participants. Read more about this study
- Who is it for?
- Ages 18 to 60 years
- Conditions the study is for
- HIV-1 Infection
- What is being tested?
- MK-4250
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 24 participants
- Where
- 1 siteGermany
- Study dates
- 18 Jan 2018to 2 Nov 2018
- Phase
- Phase 1
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 60 years
- All sexes
- No healthy volunteers
- Adult
Who may be able to join
- Male or non-pregnant and non-breast feeding female
- If female with reproductive potential: must demonstrate a serum β-human chorionic gonadotropin (β -hCG) level consistent with the nongravid state and agree to use a highly effective method of birth control until 30 days after the dose of trial drug
- If postmenopausal female: without menses for at least 1 year and has a documented follicle stimulating hormone (FSH) level in the postmenopausal range at pretrial (screening), AND/OR status post hysterectomy or oophorectomy
- Documented HIV-1 positive as determined by a positive Enzyme-linked Immunosorbent Assay (ELISA) or Quantitative Polymerase Chain Reaction (QT-PCR) with confirmation (e.g., Western Blot).
- No evidence at screening for mutations (e.g., E92Q, N55H, Q148K, Q148R and Y143R) affecting susceptibility to Integrase Strand Transfer Inhibitors (InSTIs)
- Diagnosed with HIV-1 infection ≥ 3 months prior to screening or confirmed chronic HIV infection
Show all 13Show fewer
- Screening plasma Cluster of Differentiation (CD) 4+ T cell count of >200/mm^3
- Screening plasma HIV-1 RNA ≥5,000 copies/mL within 30 days prior to the treatment phase of this study
- Anti-retroviral therapy (ART)-naïve, which is defined as having never received any antiretroviral agent OR ≤30 consecutive days of an investigational antiretroviral agent which is not an InSTI and no exposure to such an investigational antiretroviral agent within 60 days prior to screening OR ≤60 consecutive days of combination ART which does not include an InSTI and no exposure to such ART within 60 days prior to screening
- Never received any InSTI
- Willing to receive no other ART for the duration of the treatment phase of this study
- Body Mass Index (BMI) ≤35 kg/m^2
- Other than HIV infection, have baseline health judged to be stable
Who cannot join
- Mentally or legally institutionalized / incapacitated, or significant emotional problems at the time of pretrial (screening) visit or expected during the conduct of the trial or has a history of clinically significant psychiatric disorder within the last 5 years
- History of clinically significant endocrine, gastrointestinal, cardiovascular, hematological, hepatic, immunological (outside of HIV-1 infection), renal, respiratory, genitourinary or major neurological abnormalities or diseases
- History of cancer (malignancy). Exceptions: (1) adequately treated non-melanomatous skin carcinoma or carcinoma in situ of the cervix; (2) other malignancies which have been successfully treated ≥10 years prior to the pretrial (screening) visit with no evidence of recurrence; or, (3) deemed highly unlikely to sustain a recurrence for the duration of the trial
- History of significant multiple and/or severe allergies (e.g., food, drug, latex allergy); anaphylactic reaction or significant intolerability (i.e., systemic allergic reaction) to prescription or non-prescription drugs or food; or hereditary galactose intolerance, lactose deficiency, or glucose-galactose malabsorption.
- Positive for hepatitis B surface antigen
- History of chronic hepatitis C (HCV) infection. Participants with a documented cure and/or a positive serologic test for HCV with a negative HCV viral load may be included
Show all 15Show fewer
- Major surgery or donated or lost 1 unit of blood (approximately 500 mL) within 4 weeks prior to the pretrial (screening) visit
- Participated in another investigational trial within 4 weeks prior to the Day 1 dosing visit. The 4 week window will be derived from the date of the last trial medication and / or blood collection in a previous trial and/or an adverse event related to trial drug to the Day 1 dosing visit of the current trial
- Unable to refrain from or anticipates the use of any medication, including prescription and non-prescription drugs or herbal remedies beginning approximately 2 weeks prior to administration of the initial dose of trial drug, throughout the trial, until the post-trial visit
- Consumes greater than 3 glasses of alcoholic beverages (1 glass is approximately equivalent to: beer [354 mL/12 ounces], wine [118 mL/4 ounces], or distilled spirits [29.5 mL/1 ounce]) per day. Participants who consume 4 glasses of alcoholic beverages per day may be enrolled
- Consumes excessive amounts, defined as greater than 6 servings (1 serving is approximately equivalent to 120 mg of caffeine) of coffee, tea, cola, energy-drinks, or other caffeinated beverages per day
- Excessive smoker (i.e., more than 10 cigarettes/day) and is unwilling to restrict smoking to ≤10 cigarettes per day
- Cardiac QTc interval ≥470 msec (for males) or ≥480 msec (for females)
- Positive urine drug screen (except for cannabis) at screening and/or predose; rechecks are allowed
- Is or has an immediate family member (e.g., spouse, parent/legal guardian, sibling or child) who is investigational site or Sponsor staff directly involved with this trial.
Trial locations and contacts
1 site in 1 country.
About this study
Official title: A Single-Dose Clinical Trial to Study the Safety, Tolerability, Pharmacokinetics, and Anti-Retroviral Activity of MK-4250 Monotherapy in Anti-Retroviral Therapy (ART)-Naive, HIV-1 Infected Subjects
The study will evaluate the safety, tolerability, pharmacokinetics, and anti-retroviral activity of MK-4250 monotherapy in anti-retroviral therapy (ART)-naïve, HIV-1 infected participants. The primary hypothesis of the study is that at a dose that is sufficiently safe and generally well tolerated, MK-4250 has superior antiretroviral activity compared to a historical placebo, as measured by change from baseline in plasma HIV-1 ribonucleic acid (RNA) (log10 copies/mL) at 168 hours postdose.
Read the detailed description
The study consists of 5 panels; Panel C (MK-4250 ≤600 mg) was removed from the study with Protocol Amendment 1.
- Conditions
- HIV-1 Infection
- Being tested
- MK-4250
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
MK-4250Drug
MK-4250 tablets for oral administration
| Study group | Role | What they receive |
|---|---|---|
| Panel A: MK-4250 150 mg | Experimental | Participants will receive MK-4250 150 mg tablet by mouth on Day 1 after an 8-hour fast. Receives: Drug: MK-4250 |
| Panel B: MK-4250 600 mg | Experimental | Participants will receive MK-4250 600 mg tablet by mouth on Day 1 after an 8-hour fast. The decision to enroll Panel B and the dose selected (i.e., ≤600 mg) will be made based on evaluation of pharmacokinetics and 7-day safety and viral load data from Panel A. Receives: Drug: MK-4250 |
| Panel D: MK-4250 900 mg | Experimental | Participants will receive MK-4250 900 mg tablet by mouth on Day 1 after an 8-hour fast. The decision to enroll Panel D will be made upon completion of Panels A and B and evaluation of safety and viral load data from those panels. Receives: Drug: MK-4250 |
| Panel E: MK-4250 ≤900 mg with a Low-fat Meal | Experimental | Participants will receive MK-4250 ≤900 mg tablet by mouth on Day 1 with a low-fat meal. The decision to enroll Panel E will be made upon completion of Panel D and evaluation of safety and viral load data from that panel. Receives: Drug: MK-4250 |
| Panel F: MK-4250 ≤900 mg with a Moderate-fat Meal | Experimental | Participants will receive MK-4250 ≤900 mg tablet by mouth on Day 1 with a moderate-fat meal. The decision to enroll Panel F will be made upon completion of Panel D and evaluation of safety and viral load data from that panel. The decision to enroll Panel F will be made based on evaluation of PK and safety data from other studies with MK-4250. Receives: Drug: MK-4250 |
What is being measured
The primary outcome is the main question the study is designed to answer.
Change From Baseline in Plasma HIV-1 RNA Copies Per mL at 168 Hours
Plasma HIV-1 RNA was measured at Baseline and 168 hours after dosing. The log10 plasma HIV-RNA copies/mL measurements from participants in each panel were pooled and analyzed based on a longitudinal data analysis model. The change from Baseline in plasma HIV-1 RNA in participants administered MK-4250 was compared with historical placebo data.
Measured: Baseline and Day 7
Percentage of Participants Experiencing ≥1 Adverse Events (AE)
The percentage of participants experiencing ≥1 AE was calculated. An AE was defined as any unfavorable and unintended sign, symptom, or disease (new or worsening) temporally associated with the use of study therapy, regardless of whether or not a causal relationship with the study therapy could be determined.
Measured: Up to Day 14
Percentage of Participants Who Discontinued Study Due to an Adverse Event (AE)
The percentage of participants who discontinued from the study due to an adverse event was calculated. An AE was defined as any unfavorable and unintended sign, symptom, or disease (new or worsening) temporally associated with the use of study therapy, regardless of whether or not a causal relationship with the study therapy could be determined.
Measured: Up to Day 14
Secondary outcomes (9)
Area Under the Concentration-Time Curve From 0 to Last Measurable Concentration (AUC0-last) for MK-4250
The area under the concentration-time curve up to the last measurable concentration (AUC0-last) of MK-4250 in plasma was calculated.
Measured: Predose and 0.5, 1, 2, 4, 6, 8, 12, 24, 48, 120, 168, 192, and 240 hours after administration of MK-4250. For Panel B only, the first three participants additionally had a 72-hour postdose time, and no 240-hour postdose time.
Area Under the Concentration-Time Curve From 0 to Infinity (AUC0-inf) for MK-4250
The area under the concentration-time curve extrapolated to infinity (AUC0-inf) of MK-4250 in plasma was calculated.
Measured: Predose and 0.5, 1, 2, 4, 6, 8, 12, 24, 48, 120, 168, 192, and 240 hours after administration of MK-4250. For Panel B only, the first three participants additionally had a 72-hour postdose time, and no 240-hour postdose time.
Area Under the Concentration-Time Curve From 0 to 168 Hours (AUC0-168) for MK-4250
The area under the concentration-time curve up to 168 hours (AUC0-168) of MK-4250 in plasma was calculated.
Measured: Predose and 0.5, 1, 2, 4, 6, 8, 12, 24, 48, 120, and 168 hours after administration of MK-4250. For Panel B only, the first three participants additionally had a 72-hour postdose time.
Maximum Concentration (Cmax) of MK-4250 Reached in Plasma
The maximum concentration (Cmax) of MK-4250 in plasma was observed.
Measured: Predose and 0.5, 1, 2, 4, 6, 8, 12, 24, 48, 120, 168, 192, and 240 hours after administration of MK-4250. For Panel B only, the first three participants additionally had a 72-hour postdose time, and no 240-hour postdose time.
Concentration of MK-4250 at 168 Hours (C168hr)
The concentration of MK-4250 at 168 hours postdose (C168hr) was observed.
Measured: 168 hours after administration of MK-4250.
Apparent Terminal Half-life (t1/2) of MK-4250
The apparent terminal half-life (t1/2) of MK-4250 in plasma was calculated.
Measured: Predose and 0.5, 1, 2, 4, 6, 8, 12, 24, 48, 120, 168, 192, and 240 hours after administration of MK-4250. For Panel B only, the first three participants additionally had a 72-hour postdose time, and no 240-hour postdose time.
Apparent Clearance (CL/F) of MK-4250
The apparent clearance (CL/F) of MK-4250 in plasma was calculated.
Measured: Predose and 0.5, 1, 2, 4, 6, 8, 12, 24, 48, 120, 168, 192, and 240 hours after administration of MK-4250. For Panel B only, the first three participants additionally had a 72-hour postdose time, and no 240-hour postdose time.
Apparent Volume of Distribution (Vz/F) of MK-4250
The apparent volume of distribution (Vz/F) of MK-4250 in plasma was calculated.
Measured: Predose and 0.5, 1, 2, 4, 6, 8, 12, 24, 48, 120, 168, 192, and 240 hours after administration of MK-4250. For Panel B only, the first three participants additionally had a 72-hour postdose time, and no 240-hour postdose time.
Time to Maximum Concentration (Tmax) of MK-4250 Reached in Plasma
The time to maximum concentration (Vz/F) of MK-4250 in plasma was calculated.
Measured: Predose and 0.5, 1, 2, 4, 6, 8, 12, 24, 48, 120, 168, 192, and 240 hours after administration of MK-4250. For Panel B only, the first three participants additionally had a 72-hour postdose time, and no 240-hour postdose time.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted24 Nov 2017
- Study start18 Jan 2018
- Primary completion2 Nov 2018
- Study completion2 Nov 2018
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Other trials for HIV-1 InfectionStudies of the same condition, open and under way.
- More trials run by Merck Sharp & Dohme LLCThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 1
- Primary purpose
- Treatment
- Allocation
- Non-randomised
- Intervention model
- Sequential
- Masking
- None (open label)
- Enrolment
- 24 participants (actual)
Sponsor and investigators
- Lead sponsor
- Merck Sharp & Dohme LLC
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Medical Director, Study director, Merck Sharp & Dohme LLC
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03351699
- Sponsor's protocol ID
- 4250-002
- Other IDs
- 2017-001784-21, 2017
- Status last verified
- Oct 2019
- First submitted
- 20 Nov 2017
- Last updated
- 30 Oct 2019
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes: http://engagezone.msd.com/doc/ProcedureAccessClinicalTrialData.pdf
Study at a glance
From the registry record, last updated by the sponsor on 30 Oct 2019. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Single-Dose Clinical Trial to Study the Safety, Tolerability, Pharmacokinetics, and Anti-Retroviral Activity of MK-4250 Monotherapy in Anti-Retroviral Therapy (ART)-Naive, HIV-1 Infected Subjects
- ClinicalTrials.gov ID
- NCT03351699
- Acronym / sponsor ID
- 4250-002
- Conditions
- HIV-1 Infection
- Phase
- Phase 1
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 24 participants (actual)
- Lead sponsor
- Merck Sharp & Dohme LLCIndustry (pharma, biotech, devices)
- Study start
- 18 Jan 2018 (actual)
- Primary completion
- 2 Nov 2018 (actual)
- Study completion
- 2 Nov 2018 (actual)
- First posted
- 24 Nov 2017 (actual)
- Results
- Posted 30 Oct 2019
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The study will evaluate the safety, tolerability, pharmacokinetics, and anti-retroviral activity of MK-4250 monotherapy in anti-retroviral therapy (ART)-naïve, HIV-1 infected participants. The primary hypothesis of the study is that at a dose that is sufficiently safe and generally well tolerated, MK-4250 has superior antiretroviral activity compared to a historical placebo, as measured by change from baseline in plasma HIV-1 ribonucleic acid (RNA) (log10 copies/mL) at 168 hours postdose.
Detailed description
The study consists of 5 panels; Panel C (MK-4250 ≤600 mg) was removed from the study with Protocol Amendment 1.
Study design
- Primary purpose
- Treatment
- Allocation
- Non-randomised
- Intervention model
- Sequential
- Masking
- None (open label)
- Number of arms
- 5
| Arm | Type | Receives |
|---|---|---|
| Panel A: MK-4250 150 mg | Experimental | Drug: MK-4250Participants will receive MK-4250 150 mg tablet by mouth on Day 1 after an 8-hour fast. |
| Panel B: MK-4250 600 mg | Experimental | Drug: MK-4250Participants will receive MK-4250 600 mg tablet by mouth on Day 1 after an 8-hour fast. The decision to enroll Panel B and the dose selected (i.e., ≤600 mg) will be made based on evaluation of pharmacokinetics and 7-day safety and viral load data from Panel A. |
| Panel D: MK-4250 900 mg | Experimental | Drug: MK-4250Participants will receive MK-4250 900 mg tablet by mouth on Day 1 after an 8-hour fast. The decision to enroll Panel D will be made upon completion of Panels A and B and evaluation of safety and viral load data from those panels. |
| Panel E: MK-4250 ≤900 mg with a Low-fat Meal | Experimental | Drug: MK-4250Participants will receive MK-4250 ≤900 mg tablet by mouth on Day 1 with a low-fat meal. The decision to enroll Panel E will be made upon completion of Panel D and evaluation of safety and viral load data from that panel. |
| Panel F: MK-4250 ≤900 mg with a Moderate-fat Meal | Experimental | Drug: MK-4250Participants will receive MK-4250 ≤900 mg tablet by mouth on Day 1 with a moderate-fat meal. The decision to enroll Panel F will be made upon completion of Panel D and evaluation of safety and viral load data from that panel. The decision to enroll Panel F will be made based on evaluation of PK and safety data from other studies with MK-4250. |
Who may qualify
- Ages
- 18 to 60 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult
Key inclusion criteria (13 listed)
- Male or non-pregnant and non-breast feeding female
- If female with reproductive potential: must demonstrate a serum β-human chorionic gonadotropin (β -hCG) level consistent with the nongravid state and agree to use a highly effective method of birth control until 30 days after the dose of trial drug
- If postmenopausal female: without menses for at least 1 year and has a documented follicle stimulating hormone (FSH) level in the postmenopausal range at pretrial (screening), AND/OR status post hysterectomy or oophorectomy
- Documented HIV-1 positive as determined by a positive Enzyme-linked Immunosorbent Assay (ELISA) or Quantitative Polymerase Chain Reaction (QT-PCR) with confirmation (e.g., Western Blot).
- No evidence at screening for mutations (e.g., E92Q, N55H, Q148K, Q148R and Y143R) affecting susceptibility to Integrase Strand Transfer Inhibitors (InSTIs)
Key exclusion criteria (15 listed)
- Mentally or legally institutionalized / incapacitated, or significant emotional problems at the time of pretrial (screening) visit or expected during the conduct of the trial or has a history of clinically significant psychiatric disorder within the last 5 years
- History of clinically significant endocrine, gastrointestinal, cardiovascular, hematological, hepatic, immunological (outside of HIV-1 infection), renal, respiratory, genitourinary or major neurological abnormalities or diseases
- History of cancer (malignancy). Exceptions: (1) adequately treated non-melanomatous skin carcinoma or carcinoma in situ of the cervix; (2) other malignancies which have been successfully treated ≥10 years prior to the pretrial (screening) visit with no evidence of recurrence; or, (3) deemed highly unlikely to sustain a recurrence for the duration of the trial
- History of significant multiple and/or severe allergies (e.g., food, drug, latex allergy); anaphylactic reaction or significant intolerability (i.e., systemic allergic reaction) to prescription or non-prescription drugs or food; or hereditary galactose intolerance, lactose deficiency, or glucose-galactose malabsorption.
- Positive for hepatitis B surface antigen
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| MK-4250MK-4250 tablets for oral administration | Drug | Panel A: MK-4250 150 mg, Panel B: MK-4250 600 mg, Panel D: MK-4250 900 mg, Panel E: MK-4250 ≤900 mg with a Low-fat Meal, Panel F: MK-4250 ≤900 mg with a Moderate-fat Meal |
Primary outcome
Change From Baseline in Plasma HIV-1 RNA Copies Per mL at 168 Hours
Time frame: Baseline and Day 7
Plasma HIV-1 RNA was measured at Baseline and 168 hours after dosing. The log10 plasma HIV-RNA copies/mL measurements from participants in each panel were pooled and analyzed based on a longitudinal data analysis model. The change from Baseline in plasma HIV-1 RNA in participants administered MK-4250 was compared with historical placebo data.
Percentage of Participants Experiencing ≥1 Adverse Events (AE)
Time frame: Up to Day 14
The percentage of participants experiencing ≥1 AE was calculated. An AE was defined as any unfavorable and unintended sign, symptom, or disease (new or worsening) temporally associated with the use of study therapy, regardless of whether or not a causal relationship with the study therapy could be determined.
Percentage of Participants Who Discontinued Study Due to an Adverse Event (AE)
Time frame: Up to Day 14
The percentage of participants who discontinued from the study due to an adverse event was calculated. An AE was defined as any unfavorable and unintended sign, symptom, or disease (new or worsening) temporally associated with the use of study therapy, regardless of whether or not a causal relationship with the study therapy could be determined.
9 secondary outcomes
Area Under the Concentration-Time Curve From 0 to Last Measurable Concentration (AUC0-last) for MK-4250
Time frame: Predose and 0.5, 1, 2, 4, 6, 8, 12, 24, 48, 120, 168, 192, and 240 hours after administration of MK-4250. For Panel B only, the first three participants additionally had a 72-hour postdose time, and no 240-hour postdose time.
Area Under the Concentration-Time Curve From 0 to Infinity (AUC0-inf) for MK-4250
Time frame: Predose and 0.5, 1, 2, 4, 6, 8, 12, 24, 48, 120, 168, 192, and 240 hours after administration of MK-4250. For Panel B only, the first three participants additionally had a 72-hour postdose time, and no 240-hour postdose time.
Area Under the Concentration-Time Curve From 0 to 168 Hours (AUC0-168) for MK-4250
Time frame: Predose and 0.5, 1, 2, 4, 6, 8, 12, 24, 48, 120, and 168 hours after administration of MK-4250. For Panel B only, the first three participants additionally had a 72-hour postdose time.
Maximum Concentration (Cmax) of MK-4250 Reached in Plasma
Time frame: Predose and 0.5, 1, 2, 4, 6, 8, 12, 24, 48, 120, 168, 192, and 240 hours after administration of MK-4250. For Panel B only, the first three participants additionally had a 72-hour postdose time, and no 240-hour postdose time.
Concentration of MK-4250 at 168 Hours (C168hr)
Time frame: 168 hours after administration of MK-4250.
Apparent Terminal Half-life (t1/2) of MK-4250
Time frame: Predose and 0.5, 1, 2, 4, 6, 8, 12, 24, 48, 120, 168, 192, and 240 hours after administration of MK-4250. For Panel B only, the first three participants additionally had a 72-hour postdose time, and no 240-hour postdose time.
Apparent Clearance (CL/F) of MK-4250
Time frame: Predose and 0.5, 1, 2, 4, 6, 8, 12, 24, 48, 120, 168, 192, and 240 hours after administration of MK-4250. For Panel B only, the first three participants additionally had a 72-hour postdose time, and no 240-hour postdose time.
Apparent Volume of Distribution (Vz/F) of MK-4250
Time frame: Predose and 0.5, 1, 2, 4, 6, 8, 12, 24, 48, 120, 168, 192, and 240 hours after administration of MK-4250. For Panel B only, the first three participants additionally had a 72-hour postdose time, and no 240-hour postdose time.
Time to Maximum Concentration (Tmax) of MK-4250 Reached in Plasma
Time frame: Predose and 0.5, 1, 2, 4, 6, 8, 12, 24, 48, 120, 168, 192, and 240 hours after administration of MK-4250. For Panel B only, the first three participants additionally had a 72-hour postdose time, and no 240-hour postdose time.
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 30 Oct 2019.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Individual participant dataSharing planned: Yes. http://engagezone.msd.com/doc/ProcedureAccessClinicalTrialData.pdf
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Medical Director study director
Merck Sharp & Dohme LLC
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 1 study testing MK-4250 in people with HIV-1 Infection, run by Merck Sharp & Dohme LLC at 1 site in Germany.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 13 inclusion and 15 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 30 Oct 2019. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Germany. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 30 Oct 2019). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Change From Baseline in Plasma HIV-1 RNA Copies Per mL at 168 Hours (time frame: Baseline and Day 7). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 30 Oct 2019.