FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * IWAKI YUICHI   2. Issuer Name and Ticker or Trading Symbol MEDICINOVA INC [MNOV] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) C/O MEDICINOVA, INC., 4275 EXECUTIVE SQUARE, SUITE 650 3. Date of Earliest Transaction (Month/Day/Year) 01/07/2016 (Street) LA JOLLA, CA 92037 4. If Amendment, Date Original Filed(Month/Day/Year) 01/11/2016 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Employee Stock Option (Right to Buy)

$ 3.09

01/07/2016

A

250,000

01/07/2016

01/06/2025

Common Stock

250,000

$ 0

250,000 (1)

D

Employee Stock Option (Right to Buy)

$ 3.91 (2)

01/07/2016

A

120,000

(3)

01/06/2026

Common Stock

120,000

$ 0

120,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
IWAKI YUICHI C/O MEDICINOVA, INC. 4275 EXECUTIVE SQUARE, SUITE 650 LA JOLLA, CA 92037	X		President and CEO

Signatures

/s/ Yuichi Iwaki		01/19/2016
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	On January 7, 2015, the reporting person was granted an option to purchase 250,000 shares of common stock. The option vests based on MNOV's satisfaction of certain performance criteria by December 31, 2015. The Performance criteria have been met, resulting in full vesting of the option.
(2)	This report is being amended to correct the exercise price of the option based on the closing price of the common stock on the grant date as reported by NASDAQ.
(3)	The option vests over a period of 3 years in equal monthly installments from the 01-07-2016 date of grant.

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