A Randomized, Double-blind, Placebo-controlled Trial, Followed by Single-arm Treatment of PRO 140 in Combination w/ Optimized Background Therapy in Treatment-Experienced HIV Subjects



Status:Completed
Conditions:HIV / AIDS
Therapuetic Areas:Immunology / Infectious Diseases
Healthy:No
Age Range:18 - Any
Updated:4/6/2019
Start Date:August 2015
End Date:July 2018

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A Multi-center, Randomized, Double-blind, Placebo-controlled Trial, Followed by Single-arm Treatment of PRO 140 in Combination With Optimized Background Therapy in Treatment-Experienced HIV-1 Subjects

This is a Phase 2b/3, multi-center, two part study, designed to evaluate the efficacy,
safety, and tolerability of PRO 140 in conjunction with existing ART (failing regimen) for
one week and Optimized Background Therapy (OBT) for 24 weeks respectively. Study population
includes treatment-experienced HIV-infected patients with CCR5-tropic virus who demonstrates
evidence of HIV-1 replication despite ongoing antiretroviral therapy with documented
genotypic or phenotypic resistance to ART drugs within three drug classes (or within two or
more drug classes with limited treatment options).The options may be limited as a result of
drug antiviral class cross-resistance or documented treatment intolerance.


Inclusion Criteria:

1. Males and females, age ≥ 18 years

2. Exclusive CCR5-tropic virus at Screening Visit

3. Have a history of at least 3 months on current antiretroviral regimen

4. Treatment-experienced HIV-infected patients with documented genotypic or phenotypic
resistance to at least one ART drug within three drug classes

OR

Treatment-experienced HIV-infected patients with documented genotypic or phenotypic
resistance to at least one ART drug within two drug classes and have limited treatment
options. The options may be limited as a result of drug antiretroviral class
cross-resistance or documented treatment intolerance.

5. Be willing to remain on treatment without any changes or additions to the OBT regimen,
except for toxicity management or upon meeting criteria for treatment failure.

6. Plasma HIV-1 RNA ≥ 400 copies/mL at Screening Visit and documented detectable viral
load (HIV-1 RNA >50 copies/ml) within the last 3 months prior to Screening Visit.

7. Laboratory values at Screening of:

- Absolute neutrophil count (ANC) ≥ 750/mm3

- Hemoglobin (Hb) ≥ 10.5 gm/dL (male) or ≥ 9.5 gm/dL (female)

- Platelets ≥ 75,000 /mm3

- Serum alanine transaminase (SGPT/ALT) < 5 x upper limit of normal (ULN)

- Serum aspartate transaminase (SGOT/AST) < 5 x ULN

- Bilirubin (total) < 2.5 x ULN unless Gilbert's disease is present or subject is
receiving atazanavir in the absence of other evidence of significant liver
disease

- Creatinine ≤ 1.5 x ULN

8. Clinically normal resting 12-lead ECG at Screening Visit or, if abnormal, considered
not clinically significant by the Principal Investigator

9. Both male and female patients and their partners of childbearing potential must agree
to use 2 medically accepted methods of contraception (e.g., barrier contraceptives
[male condom, female condom, or diaphragm with a spermicidal gel], hormonal
contraceptives [implants, injectables, combination oral contraceptives, transdermal
patches, or contraceptive rings], and intrauterine devices) during the course of the
study (excluding women who are not of childbearing potential and men who have been
sterilized). Females of childbearing potential must have a negative serum pregnancy
test at Screening visit and negative urine pregnancy test prior to receiving the first
dose of study drug.

10. Willing and able to participate in all aspects of the study, including use of SC
medication, completion of subjective evaluations, attendance at scheduled clinic
visits, and compliance with all protocol requirements as evidenced by providing
written informed consent.

Note: Subjects diagnosed with either substance dependence or substance abuse or any history
of a concomitant condition (e.g., medical, psychologic, or psychiatric) may be enrolled if
in the opinion of site investigator these circumstances would not interfere with the
subject's successful completion of the study requirements.

Exclusion Criteria:

1. Documented CXCR4-tropic virus or Dual/Mixed tropic (R5X4) virus

2. Patients with no viable treatment options (≤ 1 fully active drug)

3. Any active infection or malignancy requiring acute therapy (with the exception of
local cutaneous Kaposi's sarcoma) Note: Subjects infected by the hepatitis B virus or
early stage hepatitis C virus will be eligible for the study.

4. Laboratory test values of ≥ grade 3 DAIDS laboratory abnormality with the exception of
the absolute CD4+ count criterion of < 200/mm3

5. Females who are pregnant, lactating, or breastfeeding, or who plan to become pregnant
during the study

6. Unexplained fever or clinically significant illness within 1 week prior to the first
study dose

7. Any vaccination within 2 weeks prior to the first study dose.

8. Subjects weighing < 35kg

9. History of anaphylaxis

10. History of Bleeding Disorder or patients on anti-coagulant therapy

11. Participation in an experimental drug trial(s) within 30 days of the Screening Visit
or during the study

12. Any known allergy or antibodies to the study drug or excipients

13. Treatment with any of the following:

- Radiation or cytotoxic chemotherapy with 30 days prior to the Screening Visit or
during the study

- Immunosuppressants within 60 days prior to the Screening Visit or during the
study

- Immunomodulating agents (e.g., interleukins, interferons), hydroxyurea, or
foscarnet within 60 days prior to the Screening Visit or during the study

- Oral or parenteral corticosteroids within 30 days prior to the Screening Visit or
during the study. Subjects on chronic steroid therapy > 5 mg/day will be excluded
with the following exception:

- Subjects on inhaled, nasal, or topical steroids will not be excluded.

14. Any other clinical condition that, in the Investigator's judgment, would potentially
compromise study compliance or the ability to evaluate safety/efficacy
We found this trial at
28
sites
Annandale, Virginia 22003
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Austin, Texas 78705
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Austin, TX
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Bellaire, Texas 77301
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Bellaire, TX
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Charlotte, North Carolina 28226
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Charlotte, NC
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Chicago, Illinois 60613
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Chicago, IL
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Cincinnati, Ohio 45267
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Cincinnati, OH
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Clearwater, Florida 33761
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Clearwater, FL
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Dallas, Texas 75231
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Dallas, TX
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Fort Pierce, Florida 34982
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Fort Pierce, FL
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Fountain Valley, California 92708
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Fountain Valley, CA
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Houston, Texas 77004
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Houston, TX
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Las Vegas, Nevada 89109
Phone: 702-410-2970
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Las Vegas, NV
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Long Beach, California 90813
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Long Beach, CA
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Los Angeles, California 90008
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Los Angeles, CA
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Miami, Florida 20852
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Miami, FL
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Miami Beach, Florida 33139
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Miami Beach, FL
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New Haven, Connecticut 06510
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New Haven, CT
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New York, New York 10001
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New York, NY
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Norwalk, Connecticut 06850
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Orlando, Florida 32803
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Palm Springs, California 92262
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Palm Springs, CA
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Ponce,
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San Francisco, California 94115
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San Francisco, CA
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Spokane, Washington 99202
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Spokane, WA
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Syracuse, New York 13210
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Washington, District of Columbia 20009
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Washington,
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West Palm Beach, Florida 33401
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West Palm Beach, FL
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Wichita, Kansas 67214
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Wichita, KS
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